/* ============================================
   RESET & VARIABLES
   ============================================ */
   *, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* رنگ‌های اصلی */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #a855f7;
    --accent: #ec4899;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    /* رنگ‌های متن */
    --dark: #0f172a;
    --dark-2: #1e293b;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --light: #f1f5f9;
    --light-2: #f8fafc;
    --white: #ffffff;
    
    /* گرادیانت‌ها */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --gradient-secondary: linear-gradient(135deg, #ec4899 0%, #f59e0b 100%);
    --gradient-mixed: linear-gradient(135deg, #6366f1 0%, #ec4899 50%, #a855f7 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    
    /* سایه‌ها */
    --shadow-sm: 0 1px 2px rgba(15,23,42,.05);
    --shadow: 0 4px 20px rgba(15,23,42,.08);
    --shadow-lg: 0 20px 40px rgba(15,23,42,.12);
    --shadow-glow: 0 10px 40px rgba(99,102,241,.35);
    
    /* فاصله‌ها */
    --radius-sm: 8px;
    --radius: 16px;
    --radius-lg: 24px;
    --radius-full: 999px;
    
    /* ترنزیشن */
    --transition: all .3s cubic-bezier(.4, 0, .2, 1);
}

html {
    scroll-behavior: smooth;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Vazirmatn', Tahoma, sans-serif;
    background: var(--light-2);
    color: var(--dark);
    line-height: 1.9;
    overflow-x: hidden;
    position: relative;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

.text-center { text-align: center; }
.mt-40 { margin-top: 40px; }

/* ============================================
   PARTICLES BACKGROUND
   ============================================ */
#particles {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    opacity: .6;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(255,255,255,.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}
.navbar.scrolled {
    padding: 10px 0;
    background: rgba(255,255,255,.95);
    border-bottom-color: rgba(99,102,241,.1);
    box-shadow: 0 4px 20px rgba(15,23,42,.06);
}
.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

/* لوگو */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
}
.logo-icon {
    width: 44px; height: 44px;
    display: grid;
    place-items: center;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 12px;
    font-size: 20px;
    box-shadow: var(--shadow-glow);
    animation: float 3s ease-in-out infinite;
}
@keyframes float {
    0%,100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-text strong {
    font-size: 18px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.logo-text small {
    font-size: 11px;
    color: var(--gray);
    font-weight: 500;
}

/* لینک‌ها */
.nav-links {
    display: flex;
    gap: 6px;
    align-items: center;
}
.nav-link {
    padding: 10px 16px;
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: 14px;
    color: var(--dark);
    transition: var(--transition);
    position: relative;
}
.nav-link i {
    margin-left: 6px;
    color: var(--primary);
    font-size: 13px;
    transition: var(--transition);
}
.nav-link:hover {
    background: rgba(99,102,241,.08);
    color: var(--primary);
}
.nav-link:hover i { transform: scale(1.15); }

/* اکشن‌ها */
.nav-actions { display: flex; gap: 8px; align-items: center; }

/* دکمه‌ها */
.btn-gradient {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 22px;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    box-shadow: 0 4px 14px rgba(99,102,241,.3);
    white-space: nowrap;
}
.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99,102,241,.45);
}
.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: transparent;
    color: var(--dark);
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    white-space: nowrap;
}
.btn-ghost:hover {
    background: rgba(99,102,241,.08);
    color: var(--primary);
}
.btn-outline-light {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 30px;
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,.4);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
}
.btn-outline-light:hover {
    background: rgba(255,255,255,.15);
    border-color: #fff;
    transform: translateY(-2px);
}
.btn-lg {
    padding: 16px 32px;
    font-size: 15px;
}

/* دکمه منوی موبایل */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 40px; height: 40px;
    padding: 10px;
    background: rgba(99,102,241,.08);
    border-radius: 10px;
}
.menu-toggle span {
    width: 100%; height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: var(--transition);
}
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    padding: 160px 0 100px;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}
.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    overflow: hidden;
}
.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: .35;
    animation: pulse-glow 8s ease-in-out infinite;
}
.glow-1 { width: 500px; height: 500px; background: #6366f1; top: -100px; right: -100px; }
.glow-2 { width: 400px; height: 400px; background: #ec4899; bottom: -100px; left: -100px; animation-delay: 2s; }
.glow-3 { width: 350px; height: 350px; background: #a855f7; top: 40%; left: 40%; animation-delay: 4s; }
@keyframes pulse-glow {
    0%,100% { transform: scale(1); opacity: .35; }
    50% { transform: scale(1.15); opacity: .5; }
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 60px;
    align-items: center;
}

.badge-animated {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(99,102,241,.1);
    border: 1px solid rgba(99,102,241,.25);
    color: var(--primary-dark);
    padding: 8px 18px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
}
.pulse-dot {
    width: 8px; height: 8px;
    background: var(--success);
    border-radius: 50%;
    position: relative;
}
.pulse-dot::before {
    content: '';
    position: absolute;
    inset: -4px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse-ring 2s ease-out infinite;
}
@keyframes pulse-ring {
    0% { transform: scale(.8); opacity: .8; }
    100% { transform: scale(2); opacity: 0; }
}

.hero-title {
    font-size: 56px;
    line-height: 1.25;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -.5px;
}
.gradient-text {
    background: var(--gradient-mixed);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 5s ease infinite;
}
@keyframes gradient-shift {
    0%,100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-desc {
    font-size: 17px;
    color: var(--gray);
    margin-bottom: 36px;
    max-width: 560px;
    line-height: 1.9;
}

.hero-actions {
    display: flex;
    gap: 14px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 40px;
    padding-top: 32px;
    border-top: 1px solid rgba(99,102,241,.15);
    flex-wrap: wrap;
}
.stat {
    display: flex;
    align-items: center;
    gap: 12px;
}
.stat-icon {
    width: 48px; height: 48px;
    display: grid;
    place-items: center;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 14px;
    font-size: 18px;
    box-shadow: 0 6px 16px rgba(99,102,241,.3);
}
.stat strong {
    display: block;
    font-size: 22px;
    color: var(--dark);
    font-weight: 800;
    line-height: 1.2;
}
.stat span {
    font-size: 13px;
    color: var(--gray);
}

/* ===== Hero Visual (اتم انیمیشنی) ===== */
.hero-visual {
    position: relative;
    height: 500px;
    display: grid;
    place-items: center;
}
.atom-container {
    position: relative;
    width: 340px; height: 340px;
}
.atom {
    position: relative;
    width: 100%; height: 100%;
    display: grid;
    place-items: center;
}
.orbit {
    position: absolute;
    inset: 0;
    border: 2px dashed rgba(99,102,241,.25);
    border-radius: 50%;
}
.orbit-1 { animation: rotate 15s linear infinite; }
.orbit-2 { transform: rotate(60deg); animation: rotate 20s linear infinite reverse; }
.orbit-3 { transform: rotate(120deg); animation: rotate 25s linear infinite; }
@keyframes rotate {
    to { transform: rotate(360deg); }
}
.orbit-2 { animation: rotate-60 20s linear infinite; }
@keyframes rotate-60 {
    from { transform: rotate(60deg); }
    to { transform: rotate(420deg); }
}
.electron {
    position: absolute;
    top: -8px; left: 50%;
    transform: translateX(-50%);
    width: 16px; height: 16px;
    background: var(--gradient-primary);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(99,102,241,.8);
}
.nucleus {
    width: 100px; height: 100px;
    background: var(--gradient-mixed);
    border-radius: 50%;
    display: grid;
    place-items: center;
    color: #fff;
    font-size: 40px;
    box-shadow: 
        0 0 40px rgba(99,102,241,.6),
        inset 0 0 20px rgba(255,255,255,.3);
    animation: pulse-nucleus 3s ease-in-out infinite;
}
@keyframes pulse-nucleus {
    0%,100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* کارت‌های شناور */
.floating-card {
    position: absolute;
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(12px);
    padding: 14px 18px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid rgba(255,255,255,.5);
    animation: float-card 4s ease-in-out infinite;
}
.floating-card i {
    font-size: 22px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.floating-card strong { display: block; font-size: 14px; font-weight: 700; }
.floating-card small { color: var(--gray); font-size: 11px; }
.card-1 { top: 30px; right: -20px; animation-delay: 0s; }
.card-2 { bottom: 40px; left: -30px; animation-delay: 2s; }
@keyframes float-card {
    0%,100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.scroll-down {
    position: absolute;
    bottom: 30px; left: 50%;
    transform: translateX(-50%);
    width: 26px; height: 42px;
    border: 2px solid rgba(99,102,241,.4);
    border-radius: var(--radius-full);
    display: flex;
    justify-content: center;
    padding-top: 8px;
}
.scroll-down span {
    width: 3px; height: 8px;
    background: var(--primary);
    border-radius: 2px;
    animation: scroll-dot 2s ease-in-out infinite;
}
@keyframes scroll-dot {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(14px); opacity: 0; }
}

/* ============================================
   SECTIONS COMMON
   ============================================ */
.section {
    padding: 100px 0;
    position: relative;
}
.section-head {
    text-align: center;
    margin-bottom: 60px;
}
.section-badge {
    display: inline-block;
    background: rgba(99,102,241,.1);
    color: var(--primary);
    padding: 6px 18px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 16px;
}
.section-title {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 14px;
    letter-spacing: -.5px;
}
.section-subtitle {
    color: var(--gray);
    font-size: 16px;
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about { background: var(--white); }
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 80px;
    align-items: center;
}
.about-image {
    position: relative;
}
.image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4/5;
}
.image-wrapper img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .6s ease;
}
.image-wrapper:hover img { transform: scale(1.05); }
.image-glow {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 60%, rgba(99,102,241,.25));
    pointer-events: none;
}
.experience-badge {
    position: absolute;
    bottom: -30px; left: -30px;
    background: var(--gradient-primary);
    color: #fff;
    padding: 22px 30px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow-glow);
    z-index: 2;
}
.experience-badge strong {
    display: block;
    font-size: 36px;
    font-weight: 800;
    line-height: 1;
}
.experience-badge span {
    font-size: 13px;
    opacity: .95;
}

.about-content h3 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 8px;
}
.about-role {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 20px;
    font-size: 15px;
}
.about-text {
    color: var(--gray);
    font-size: 16px;
    margin-bottom: 30px;
    line-height: 2;
}
.about-text strong { color: var(--dark); }

.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 32px;
}
.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--light-2);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
    border: 1px solid transparent;
}
.feature-item:hover {
    background: rgba(99,102,241,.06);
    border-color: rgba(99,102,241,.15);
    transform: translateX(-4px);
}
.feature-item i {
    color: var(--primary);
    font-size: 16px;
}

/* ============================================
   COURSES SECTION
   ============================================ */
.courses-section { background: var(--light-2); }
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 28px;
}

.course-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
}
.course-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.course-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--gradient-primary);
}
.course-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .6s ease;
}
.course-card:hover .course-image img { transform: scale(1.08); }

.course-placeholder {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    background: var(--gradient-mixed);
    color: #fff;
    font-size: 60px;
    opacity: .9;
}

.course-level {
    position: absolute;
    top: 14px; right: 14px;
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(10px);
    color: var(--primary);
    padding: 5px 14px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 700;
    z-index: 2;
}
.course-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15,23,42,.4) 0%, transparent 50%);
    pointer-events: none;
}

.course-body {
    padding: 22px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}
.course-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.5;
    color: var(--dark);
    transition: var(--transition);
}
.course-card:hover .course-title { color: var(--primary); }

.course-desc {
    color: var(--gray);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 16px;
    flex-grow: 1;
}
.course-meta {
    display: flex;
    gap: 16px;
    padding: 12px 0;
    border-top: 1px solid var(--light);
    border-bottom: 1px solid var(--light);
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--gray);
}
.course-meta i {
    color: var(--primary);
    margin-left: 6px;
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}
.course-price strong {
    color: var(--primary);
    font-size: 20px;
    font-weight: 800;
}
.course-price small {
    color: var(--gray);
    font-size: 12px;
    margin-right: 4px;
}

.btn-course {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 13px;
    transition: var(--transition);
}
.btn-course:hover {
    transform: translateX(-3px);
    box-shadow: var(--shadow-glow);
}
.btn-course i { font-size: 11px; }

/* ============================================
   WHY SECTION
   ============================================ */
.why-section { background: var(--white); }
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}
.why-card {
    text-align: center;
    padding: 36px 24px;
    background: var(--light-2);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}
.why-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
    transform-origin: right;
}
.why-card:hover {
    background: var(--white);
    border-color: rgba(99,102,241,.2);
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
}
.why-card:hover::before { transform: scaleX(1); }

.why-icon {
    width: 68px; height: 68px;
    margin: 0 auto 20px;
    display: grid;
    place-items: center;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 20px;
    font-size: 26px;
    box-shadow: var(--shadow-glow);
}
.why-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}
.why-card p {
    color: var(--gray);
    font-size: 14px;
    line-height: 1.8;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section { padding: 60px 0 100px; }
.cta-box {
    background: var(--gradient-dark);
    border-radius: var(--radius-lg);
    padding: 70px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
    color: #fff;
}
.cta-glow {
    position: absolute;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(99,102,241,.5) 0%, transparent 70%);
    top: -200px; right: -100px;
    pointer-events: none;
}
.cta-box h2 {
    font-size: 38px;
    font-weight: 800;
    margin-bottom: 16px;
    position: relative;
}
.cta-box p {
    font-size: 17px;
    opacity: .85;
    margin-bottom: 36px;
    position: relative;
}
.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--dark);
    color: #cbd5e1;
    position: relative;
    margin-top: 80px;
}
.footer-wave {
    position: absolute;
    top: -1px; left: 0; right: 0;
    color: var(--light-2);
    line-height: 0;
    transform: rotate(180deg);
}
.footer-wave svg {
    width: 100%;
    height: 60px;
}
.footer-inner { padding: 80px 0 20px; }
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.4fr;
    gap: 50px;
    margin-bottom: 50px;
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 18px;
}
.footer-logo i {
    width: 40px; height: 40px;
    display: grid;
    place-items: center;
    background: var(--gradient-primary);
    border-radius: 10px;
    font-size: 18px;
}
.footer-desc {
    font-size: 14px;
    line-height: 2;
    margin-bottom: 20px;
    opacity: .85;
}
.social-row { display: flex; gap: 10px; }
.social-btn {
    width: 42px; height: 42px;
    display: grid;
    place-items: center;
    background: rgba(255,255,255,.06);
    color: #cbd5e1;
    border-radius: 12px;
    transition: var(--transition);
    font-size: 16px;
}
.social-btn:hover {
    background: var(--gradient-primary);
    color: #fff;
    transform: translateY(-3px);
}
.footer-col h4 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 20px;
    font-weight: 700;
    position: relative;
    padding-bottom: 10px;
}
.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0; right: 0;
    width: 30px; height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
    color: #cbd5e1;
    font-size: 14px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.footer-links a i { color: var(--primary); font-size: 12px; }
.footer-links a:hover {
    color: #fff;
    transform: translateX(-4px);
}
.footer-links li i { color: var(--primary); margin-left: 8px; }

.newsletter-form {
    display: flex;
    background: rgba(255,255,255,.06);
    border-radius: var(--radius-full);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,.1);
}
.newsletter-form input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 12px 18px;
    color: #fff;
    font-family: inherit;
    font-size: 14px;
    outline: none;
}
.newsletter-form input::placeholder { color: #94a3b8; }
.newsletter-form button {
    padding: 0 20px;
    background: var(--gradient-primary);
    color: #fff;
    font-size: 15px;
    transition: var(--transition);
}
.newsletter-form button:hover { padding: 0 24px; }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,.08);
    font-size: 13px;
    opacity: .8;
    flex-wrap: wrap;
    gap: 16px;
}
.footer-links-bottom {
    display: flex;
    gap: 12px;
    align-items: center;
}
.footer-links-bottom a { color: #cbd5e1; }
.footer-links-bottom a:hover { color: #fff; }

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px; left: 30px;
    width: 48px; height: 48px;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 16px;
    box-shadow: var(--shadow-glow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover { transform: translateY(-4px) scale(1.05); }

/* ============================================
   ANIMATIONS
   ============================================ */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .7s ease, transform .7s ease;
}
.animate-on-scroll.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.empty-state {
    text-align: center;
    padding: 80px 20px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}
.empty-state i {
    font-size: 60px;
    color: var(--primary);
    opacity: .3;
    margin-bottom: 20px;
}
.empty-state p { color: var(--gray); font-size: 16px; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; gap: 40px; }
    .hero-visual { height: 380px; }
    .about-grid { grid-template-columns: 1fr; gap: 60px; }
    .experience-badge { bottom: -20px; left: 20px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
    .hero-title { font-size: 44px; }
    .section-title { font-size: 34px; }
    .cta-box h2 { font-size: 30px; }
}

@media (max-width: 768px) {
    .menu-toggle { display: flex; }
    .nav-links {
        position: fixed;
        top: 80px; right: 20px; left: 20px;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        border-radius: var(--radius);
        box-shadow: var(--shadow-lg);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: var(--transition);
    }
    .nav-links.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    .nav-link { width: 100%; padding: 14px; }
    .nav-actions .btn-ghost { display: none; }
    
    .hero { padding: 120px 0 60px; min-height: auto; }
    .hero-title { font-size: 32px; }
    .hero-desc { font-size: 15px; }
    .hero-stats { gap: 20px; padding-top: 24px; }
    .stat-icon { width: 40px; height: 40px; font-size: 15px; }
    .stat strong { font-size: 18px; }
    .stat span { font-size: 11px; }
    
    .section { padding: 60px 0; }
    .section-title { font-size: 26px; }
    .section-subtitle { font-size: 14px; }
    .section-head { margin-bottom: 40px; }
    
    .features-grid { grid-template-columns: 1fr; }
    .courses-grid { grid-template-columns: 1fr; }
    
    .cta-box { padding: 50px 24px; }
    .cta-box h2 { font-size: 24px; }
    .cta-actions { flex-direction: column; }
    .cta-actions a { width: 100%; justify-content: center; }
    
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .footer-inner { padding: 60px 0 20px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    
    .floating-card { display: none; }
    .scroll-down { display: none; }
    
    .back-to-top { bottom: 20px; left: 20px; width: 42px; height: 42px; }
    
    .glow { filter: blur(60px); }
    .glow-1 { width: 300px; height: 300px; }
    .glow-2 { width: 250px; height: 250px; }
    .glow-3 { display: none; }
    
    .atom-container { width: 240px; height: 240px; }
    .nucleus { width: 70px; height: 70px; font-size: 28px; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero-title { font-size: 26px; }
    .hero-actions { flex-direction: column; }
    .hero-actions a { width: 100%; justify-content: center; }
    .logo-text small { display: none; }
    .nav-actions { gap: 4px; }
    .btn-gradient, .btn-ghost { padding: 9px 16px; font-size: 13px; }
}
/* ============================================
   AUTH PAGES (Login/Register)
   ============================================ */
   .auth-section {
    min-height: 100vh;
    padding: 120px 0 60px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}
.auth-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}
.auth-bg .glow-1 {
    top: 10%; right: -10%;
    width: 400px; height: 400px;
    background: #6366f1;
}
.auth-bg .glow-2 {
    bottom: 10%; left: -10%;
    width: 350px; height: 350px;
    background: #ec4899;
}

.auth-wrapper {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}

/* کارت فرم */
.auth-card {
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 44px 40px;
    border-radius: var(--radius-lg);
    box-shadow: 
        0 20px 60px rgba(15,23,42,.15),
        0 0 0 1px rgba(255,255,255,.5) inset;
    border: 1px solid rgba(99,102,241,.1);
}

.auth-head {
    text-align: center;
    margin-bottom: 32px;
}
.auth-icon {
    width: 68px; height: 68px;
    margin: 0 auto 16px;
    display: grid;
    place-items: center;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 20px;
    font-size: 28px;
    box-shadow: var(--shadow-glow);
    animation: float 3s ease-in-out infinite;
}
.auth-head h1 {
    font-size: 26px;
    font-weight: 800;
    margin-bottom: 6px;
}
.auth-head p {
    color: var(--gray);
    font-size: 14px;
}

/* فرم */
.auth-form { margin-bottom: 24px; }
.input-group { margin-bottom: 18px; }
.input-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark);
}
.input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}
.input-wrap > i {
    position: absolute;
    right: 16px;
    color: var(--primary);
    font-size: 15px;
    pointer-events: none;
    transition: var(--transition);
}
.input-wrap input {
    width: 100%;
    padding: 14px 46px 14px 46px;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 15px;
    background: var(--white);
    transition: var(--transition);
    color: var(--dark);
}
.input-wrap input:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 4px rgba(99,102,241,.12);
}
.input-wrap input:focus ~ i {
    color: var(--primary-dark);
    transform: scale(1.15);
}
.input-wrap input::placeholder {
    color: #cbd5e1;
}

.toggle-pass {
    position: absolute;
    left: 12px;
    width: 32px; height: 32px;
    display: grid;
    place-items: center;
    color: var(--gray);
    border-radius: 8px;
    transition: var(--transition);
}
.toggle-pass:hover {
    background: rgba(99,102,241,.08);
    color: var(--primary);
}

.btn-full {
    width: 100%;
    justify-content: center;
    padding: 15px;
    font-size: 15px;
    margin-top: 8px;
}

/* فوتر کارت */
.auth-footer {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--light);
    font-size: 14px;
    color: var(--gray);
}
.auth-footer a {
    color: var(--primary);
    font-weight: 700;
    transition: var(--transition);
}
.auth-footer a:hover { color: var(--primary-dark); }

/* سمت کنار (auth-side) */
.auth-side {
    padding: 40px;
    position: relative;
}
.auth-side-content h2 {
    font-size: 38px;
    font-weight: 800;
    line-height: 1.3;
    margin: 20px 0;
    background: var(--gradient-mixed);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-shift 5s ease infinite;
}
.auth-side-content > p {
    color: var(--gray);
    font-size: 16px;
    margin-bottom: 30px;
    line-height: 1.9;
}
.auth-features {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.auth-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(255,255,255,.7);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
    border: 1px solid rgba(99,102,241,.1);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}
.auth-features li:hover {
    transform: translateX(-6px);
    background: var(--white);
    box-shadow: var(--shadow);
}
.auth-features i {
    width: 26px; height: 26px;
    display: grid;
    place-items: center;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 50%;
    font-size: 12px;
    flex-shrink: 0;
}

/* Alert در صفحه auth */
.auth-card .alert {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 500;
}
.auth-card .alert.error {
    background: #fef2f2;
    color: var(--danger);
    border: 1px solid #fecaca;
}

/* ریسپانسیو */
@media (max-width: 900px) {
    .auth-wrapper {
        grid-template-columns: 1fr;
        max-width: 500px;
    }
    .auth-side { display: none; }
    .auth-card { padding: 32px 24px; }
}
@media (max-width: 480px) {
    .auth-section { padding: 100px 0 40px; }
    .auth-head h1 { font-size: 22px; }
    .auth-icon { width: 60px; height: 60px; font-size: 24px; }
}
/* ============================================
   ADMIN PANEL - پنل مدیریت
   ============================================ */

/* ===== Layout اصلی ===== */
.admin {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 28px;
    align-items: start;
}

/* ===== سایدبار ===== */
.admin-side {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px 16px;
    box-shadow: var(--shadow);
    position: sticky;
    top: 100px;
    border: 1px solid rgba(99,102,241,.08);
}

.admin-side h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 800;
    color: var(--dark);
    padding: 0 12px 20px;
    margin-bottom: 16px;
    border-bottom: 2px dashed rgba(99,102,241,.15);
    position: relative;
}
.admin-side h3::before {
    content: '';
    width: 6px;
    height: 24px;
    background: var(--gradient-primary);
    border-radius: 4px;
}
.admin-side h3 i {
    color: var(--primary);
    font-size: 20px;
}

.admin-side a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 16px;
    border-radius: var(--radius);
    color: var(--dark);
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 6px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.admin-side a::before {
    content: '';
    position: absolute;
    right: 0; top: 0; bottom: 0;
    width: 4px;
    background: var(--gradient-primary);
    border-radius: 4px;
    transform: scaleY(0);
    transition: var(--transition);
}
.admin-side a:hover {
    background: rgba(99,102,241,.08);
    color: var(--primary);
    transform: translateX(-4px);
}
.admin-side a:hover::before {
    transform: scaleY(1);
}
.admin-side a.active {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: var(--shadow-glow);
}
.admin-side a.active::before {
    background: #fff;
    transform: scaleY(1);
}
.admin-side a.active i {
    color: #fff;
}

.admin-side a i {
    width: 22px;
    text-align: center;
    font-size: 16px;
    color: var(--primary);
    transition: var(--transition);
}
.admin-side a.active i {
    transform: scale(1.1);
}

/* جداکننده */
.admin-side a[href*="logout"] {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--light);
    color: var(--danger);
}
.admin-side a[href*="logout"] i {
    color: var(--danger);
}
.admin-side a[href*="logout"]:hover {
    background: rgba(239,68,68,.08);
    color: var(--danger);
}
.admin-side a[href*="logout"]:hover::before {
    background: var(--danger);
}

/* ===== محتوای اصلی ===== */
.admin-main {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow);
    min-height: 600px;
    border: 1px solid rgba(99,102,241,.08);
}

.admin-main > h1 {
    font-size: 26px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--light);
    display: flex;
    align-items: center;
    gap: 12px;
}
.admin-main > h1::before {
    content: '';
    width: 8px;
    height: 30px;
    background: var(--gradient-primary);
    border-radius: 4px;
}

/* ===== کارت‌های آماری (Dashboard) ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.stat-card {
    background: var(--white);
    padding: 26px 22px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(99,102,241,.08);
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
    transform-origin: right;
}
.stat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-card i {
    display: inline-grid;
    place-items: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(99,102,241,.15), rgba(168,85,247,.15));
    color: var(--primary);
    border-radius: 18px;
    font-size: 24px;
    margin-bottom: 16px;
    transition: var(--transition);
}
.stat-card:hover i {
    transform: scale(1.1) rotate(-6deg);
    background: var(--gradient-primary);
    color: #fff;
}

.stat-card h3 {
    font-size: 26px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 6px;
    line-height: 1.2;
}
.stat-card p {
    color: var(--gray);
    font-size: 13px;
    font-weight: 500;
}

/* رنگ‌های متفاوت برای هر کارت */
.stat-card:nth-child(2) i { color: #ec4899; }
.stat-card:nth-child(2):hover i { background: linear-gradient(135deg,#ec4899,#f59e0b); color:#fff; }

.stat-card:nth-child(3) i { color: #f59e0b; }
.stat-card:nth-child(3):hover i { background: linear-gradient(135deg,#f59e0b,#ef4444); color:#fff; }

.stat-card:nth-child(4) i { color: #10b981; }
.stat-card:nth-child(4):hover i { background: linear-gradient(135deg,#10b981,#6366f1); color:#fff; }

/* ===== باکس افزودن ===== */
.add-box {
    background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 100%);
    padding: 20px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
    border: 2px dashed rgba(99,102,241,.25);
    transition: var(--transition);
}
.add-box[open] {
    background: var(--white);
    border-style: solid;
    border-color: rgba(99,102,241,.15);
    box-shadow: var(--shadow);
}

.add-box summary {
    cursor: pointer;
    font-weight: 700;
    font-size: 15px;
    color: var(--primary);
    padding: 8px 0;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 10px;
    user-select: none;
    transition: var(--transition);
}
.add-box summary::-webkit-details-marker { display: none; }
.add-box summary::before {
    content: '+';
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 50%;
    font-size: 20px;
    font-weight: 400;
    transition: var(--transition);
}
.add-box[open] summary::before {
    transform: rotate(45deg);
}
.add-box summary:hover {
    color: var(--primary-dark);
}

/* ===== فرم‌های ادمین ===== */
.form-grid {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 16px 20px;
    align-items: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px dashed rgba(99,102,241,.15);
}
.form-grid label {
    font-weight: 600;
    font-size: 14px;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 6px;
}
.form-grid label::before {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
}

.form-grid input,
.form-grid select,
.form-grid textarea {
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 14px;
    width: 100%;
    background: var(--white);
    color: var(--dark);
    transition: var(--transition);
}
.form-grid input:focus,
.form-grid select:focus,
.form-grid textarea:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 4px rgba(99,102,241,.12);
}
.form-grid textarea {
    resize: vertical;
    min-height: 110px;
    line-height: 1.8;
}
.form-grid input[type="file"] {
    padding: 10px;
    cursor: pointer;
    background: var(--light-2);
}
.form-grid input[type="file"]::file-selector-button {
    padding: 8px 16px;
    background: var(--gradient-primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    margin-left: 12px;
    transition: var(--transition);
}

.form-actions {
    grid-column: 1 / -1;
    display: flex;
    gap: 12px;
    margin-top: 8px;
    padding-top: 20px;
    border-top: 1px dashed rgba(99,102,241,.15);
}
.form-actions button,
.form-actions a {
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    font-family: inherit;
}
.form-actions .btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(99,102,241,.3);
}
.form-actions .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99,102,241,.45);
}
.form-actions .btn-outline {
    background: transparent;
    border: 2px solid #e2e8f0;
    color: var(--gray);
}
.form-actions .btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(99,102,241,.05);
}

/* چک‌باکس */
.check-row {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    font-size: 14px;
    padding: 14px 16px;
    background: linear-gradient(135deg, #eef2ff, #f8fafc);
    border-radius: var(--radius);
    border: 1px solid rgba(99,102,241,.15);
    cursor: pointer;
    transition: var(--transition);
}
.check-row:hover {
    background: linear-gradient(135deg, #e0e7ff, #eef2ff);
}
.check-row input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--primary);
    cursor: pointer;
}

/* تصویر فعلی در ویرایش */
.current-img {
    grid-column: 2 / 3;
    padding: 12px;
    background: var(--light-2);
    border-radius: var(--radius);
    border: 1px dashed #cbd5e1;
}
.current-img p {
    font-size: 12px;
    color: var(--gray);
    margin-bottom: 8px;
    font-weight: 600;
}
.current-img img {
    max-width: 160px;
    border-radius: 10px;
    border: 2px solid var(--white);
    box-shadow: var(--shadow-sm);
}

/* ===== باکس ویرایش ===== */
.edit-box {
    background: linear-gradient(135deg, #fef9c3 0%, #fff7ed 100%);
    padding: 28px;
    border-radius: var(--radius-lg);
    border: 2px solid #fde047;
    margin-bottom: 28px;
    position: relative;
    overflow: hidden;
}
.edit-box::before {
    content: '';
    position: absolute;
    top: -50px; left: -50px;
    width: 150px; height: 150px;
    background: radial-gradient(circle, rgba(250,204,21,.3), transparent 70%);
    pointer-events: none;
}
.edit-box h2 {
    font-size: 18px;
    color: #92400e;
    margin-bottom: 8px;
    padding-bottom: 20px;
    border-bottom: 2px dashed #fde047;
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
}

/* ===== جدول ===== */
.table {
    width: 100%;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    border-collapse: collapse;
    margin-top: 24px;
    border: 1px solid rgba(99,102,241,.08);
}
.table thead {
    background: linear-gradient(135deg, #eef2ff, #f8fafc);
}
.table th {
    padding: 16px 14px;
    text-align: right;
    font-size: 13px;
    color: var(--primary-dark);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .3px;
    border-bottom: 2px solid rgba(99,102,241,.15);
}
.table td {
    padding: 16px 14px;
    border-bottom: 1px solid var(--light);
    vertical-align: middle;
    font-size: 14px;
}
.table tbody tr {
    transition: var(--transition);
}
.table tbody tr:hover {
    background: linear-gradient(90deg, rgba(99,102,241,.03), rgba(168,85,247,.03));
}
.table tbody tr:last-child td {
    border-bottom: none;
}

/* بند انگشتی تصویر */
.table .thumb {
    width: 64px;
    height: 48px;
    object-fit: cover;
    border-radius: 10px;
    border: 2px solid var(--white);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
}
.table .thumb:hover {
    transform: scale(2.5);
    position: relative;
    z-index: 10;
    box-shadow: var(--shadow-lg);
}
.table .no-img {
    display: inline-block;
    font-size: 11px;
    color: var(--gray);
    background: var(--light);
    padding: 6px 10px;
    border-radius: 8px;
    font-weight: 500;
}

/* بج‌های وضعیت */
.badge-active,
.badge-inactive {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 700;
}
.badge-active::before,
.badge-inactive::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
}
.badge-active {
    background: #d1fae5;
    color: #059669;
}
.badge-active::before { background: #059669; }

.badge-inactive {
    background: #fee2e2;
    color: #dc2626;
}
.badge-inactive::before { background: #dc2626; }

/* دکمه‌های عملیات */
.actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.btn-edit,
.btn-danger {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-family: inherit;
}
.btn-edit {
    background: #fef3c7;
    color: #d97706;
}
.btn-edit:hover {
    background: #fde68a;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(217,119,6,.25);
}
.btn-danger {
    background: #fee2e2;
    color: var(--danger);
}
.btn-danger:hover {
    background: #fecaca;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(239,68,68,.25);
}

/* ===== پیام‌ها ===== */
.admin-main .alert {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 600;
    animation: slideIn .4s ease;
}
@keyframes slideIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}
.admin-main .alert.success {
    background: linear-gradient(135deg, #d1fae5, #ecfdf5);
    color: #065f46;
    border-right: 4px solid var(--success);
}
.admin-main .alert.error {
    background: linear-gradient(135deg, #fee2e2, #fef2f2);
    color: #991b1b;
    border-right: 4px solid var(--danger);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .admin {
        grid-template-columns: 1fr;
    }
    .admin-side {
        position: static;
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        padding: 16px;
    }
    .admin-side h3 {
        width: 100%;
        margin-bottom: 8px;
        padding: 0 8px 12px;
    }
    .admin-side a {
        flex: 1 1 calc(50% - 4px);
        margin-bottom: 0;
        justify-content: center;
    }
    .admin-side a[href*="logout"] {
        margin-top: 0;
        padding-top: 13px;
        border-top: none;
    }
}

@media (max-width: 768px) {
    .admin-main {
        padding: 20px 16px;
    }
    .admin-main > h1 {
        font-size: 20px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    .form-grid label {
        margin-bottom: -8px;
    }
    .form-actions {
        flex-direction: column;
    }
    .form-actions button,
    .form-actions a {
        width: 100%;
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .stat-card {
        padding: 20px 14px;
    }
    .stat-card i {
        width: 48px;
        height: 48px;
        font-size: 20px;
    }
    .stat-card h3 {
        font-size: 20px;
    }
    
    /* جدول ریسپانسیو */
    .table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
    .table th,
    .table td {
        padding: 12px 10px;
        font-size: 13px;
    }
    .table .thumb {
        width: 48px;
        height: 36px;
    }
    
    .actions {
        flex-direction: column;
    }
    .btn-edit,
    .btn-danger {
        width: 100%;
        justify-content: center;
        font-size: 12px;
        padding: 6px 10px;
    }
}

@media (max-width: 480px) {
    .admin-side a {
        flex: 1 1 100%;
        font-size: 13px;
        padding: 10px 12px;
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .admin-main {
        padding: 16px 12px;
        border-radius: var(--radius);
    }
    .current-img img { max-width: 100%; }
}
/* ===== فیلتر و جستجو ===== */
.filter-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    padding: 16px;
    background: var(--light-2);
    border-radius: var(--radius);
    border: 1px solid rgba(99,102,241,.1);
}
.filter-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    border: 2px solid #e2e8f0;
    border-radius: var(--radius);
    padding: 0 14px;
    flex: 1;
    min-width: 180px;
    transition: var(--transition);
}
.filter-item:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99,102,241,.1);
}
.filter-item i {
    color: var(--primary);
    font-size: 14px;
}
.filter-item input,
.filter-item select {
    border: none;
    outline: none;
    padding: 12px 0;
    font-family: inherit;
    font-size: 14px;
    background: transparent;
    flex: 1;
    color: var(--dark);
}
.filter-bar .btn-primary,
.filter-bar .btn-outline {
    padding: 12px 22px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition);
    white-space: nowrap;
    border: none;
}
.filter-bar .btn-primary {
    background: var(--gradient-primary);
    color: #fff;
}
.filter-bar .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}
.filter-bar .btn-outline {
    background: transparent;
    border: 2px solid #e2e8f0;
    color: var(--gray);
}
.filter-bar .btn-outline:hover {
    border-color: var(--danger);
    color: var(--danger);
}

/* ===== اطلاعات جدول ===== */
.table-info {
    padding: 12px 18px;
    background: linear-gradient(135deg, #eef2ff, #f8fafc);
    border-radius: var(--radius);
    margin-bottom: 14px;
    font-size: 14px;
    color: var(--dark);
    border-right: 4px solid var(--primary);
}
.table-info strong {
    color: var(--primary);
    font-size: 18px;
    margin-left: 4px;
}

.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

/* ===== بج مقطع ===== */
.badge-grade {
    display: inline-block;
    padding: 5px 12px;
    background: linear-gradient(135deg, #e0e7ff, #eef2ff);
    color: var(--primary-dark);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}

/* ===== لینک ===== */
.link {
    color: var(--primary);
    transition: var(--transition);
    direction: ltr;
    display: inline-block;
}
.link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* ===== toggle وضعیت ===== */
.badge-toggle {
    cursor: pointer;
    transition: var(--transition);
}
.badge-toggle:hover {
    transform: scale(1.08);
}

/* ===== سایدبار بهبودیافته (اسکرول) ===== */
@media (min-width: 1025px) {
    .admin-side {
        max-height: calc(100vh - 130px);
        overflow-y: auto;
    }
    .admin-side::-webkit-scrollbar {
        width: 5px;
    }
    .admin-side::-webkit-scrollbar-thumb {
        background: rgba(99,102,241,.3);
        border-radius: 10px;
    }
}

/* ===== دکمه‌های جدول کوچک‌تر ===== */
.actions .btn-edit,
.actions .btn-danger {
    font-size: 12px;
    padding: 7px 12px;
    white-space: nowrap;
}

/* ===== فیلد فرمت‌شده ===== */
input[type="tel"] {
    direction: ltr;
    text-align: right;
}

/* ===== استایل select در فرم auth ===== */
.input-wrap select {
    width: 100%;
    padding: 14px 46px 14px 46px;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 15px;
    background: var(--white);
    transition: var(--transition);
    color: var(--dark);
    appearance: none;
    cursor: pointer;
    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%236366f1'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 14px center;
    background-size: 20px;
}
.input-wrap select:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 4px rgba(99,102,241,.12);
}

/* ===== ریسپانسیو فیلتر ===== */
@media (max-width: 768px) {
    .filter-bar {
        flex-direction: column;
    }
    .filter-item {
        width: 100%;
    }
    .filter-bar .btn-primary,
    .filter-bar .btn-outline {
        width: 100%;
        justify-content: center;
    }
}
/* ============================================
   USER PANEL - پنل کاربر (دوره‌های من)
   ============================================ */

/* ===== Section پنل ===== */
.panel-section {
    padding: 120px 0 80px;
    min-height: 100vh;
}

/* ===== Hero پنل ===== */
.panel-hero {
    background: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    background-size: 200% 200%;
    animation: gradient-shift 8s ease infinite;
    border-radius: var(--radius-lg);
    padding: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    color: #fff;
    position: relative;
    overflow: hidden;
    margin-bottom: 32px;
    box-shadow: 0 20px 50px rgba(99,102,241,.25);
}
.panel-hero::before {
    content: '';
    position: absolute;
    top: -80px; left: -80px;
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(255,255,255,.15), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.panel-hero::after {
    content: '';
    position: absolute;
    bottom: -100px; right: -100px;
    width: 250px; height: 250px;
    background: radial-gradient(circle, rgba(255,255,255,.1), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.panel-hero-content {
    display: flex;
    align-items: center;
    gap: 22px;
    position: relative;
    z-index: 2;
}

.panel-avatar {
    width: 78px;
    height: 78px;
    display: grid;
    place-items: center;
    background: rgba(255,255,255,.2);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255,255,255,.4);
    border-radius: 22px;
    font-size: 34px;
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 8px 24px rgba(0,0,0,.15);
}

.panel-hero h1 {
    font-size: 26px;
    font-weight: 800;
    margin-bottom: 8px;
    line-height: 1.3;
}
.panel-subtitle {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.panel-hero .badge-grade {
    background: rgba(255,255,255,.25);
    color: #fff;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 700;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,.2);
}
.panel-hero .badge-grade i {
    margin-left: 6px;
}

.panel-hero-actions {
    position: relative;
    z-index: 2;
}
.panel-hero-actions .btn-gradient {
    background: #fff;
    color: var(--primary);
    box-shadow: 0 8px 24px rgba(0,0,0,.15);
}
.panel-hero-actions .btn-gradient:hover {
    background: #fff;
    color: var(--primary-dark);
    box-shadow: 0 12px 32px rgba(0,0,0,.25);
}

/* ===== آمار پنل ===== */
.panel-stats {
    margin-bottom: 32px;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* ===== تب‌های پنل ===== */
.panel-tabs {
    display: flex;
    gap: 8px;
    padding: 8px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: 32px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    border: 1px solid rgba(99,102,241,.08);
}
.panel-tabs::-webkit-scrollbar { display: none; }

.panel-tab {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 22px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 14px;
    color: var(--gray);
    white-space: nowrap;
    transition: var(--transition);
    position: relative;
    cursor: pointer;
    flex-shrink: 0;
}
.panel-tab i {
    font-size: 15px;
    transition: var(--transition);
}
.panel-tab:hover {
    background: rgba(99,102,241,.08);
    color: var(--primary);
}
.panel-tab:hover i {
    transform: scale(1.15);
}
.panel-tab.active {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 6px 18px rgba(99,102,241,.35);
}
.panel-tab.active i {
    transform: scale(1.15);
}

/* ===== محتوای تب ===== */
.panel-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 32px;
    border: 1px solid rgba(99,102,241,.08);
}

.panel-content-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding-bottom: 24px;
    margin-bottom: 28px;
    border-bottom: 2px dashed rgba(99,102,241,.15);
    flex-wrap: wrap;
}
.panel-content-head h2 {
    font-size: 22px;
    font-weight: 800;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 12px;
}
.panel-content-head h2 i {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 12px;
    font-size: 18px;
    box-shadow: 0 6px 16px rgba(99,102,241,.3);
}

.panel-count {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(99,102,241,.1);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 700;
    border: 1px solid rgba(99,102,241,.2);
}

/* ============================================
   MY COURSES GRID
   ============================================ */
.my-courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.my-course-card {
    background: var(--white);
    border: 2px solid var(--light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
}
.my-course-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: var(--transition);
    z-index: 3;
}
.my-course-card:hover {
    transform: translateY(-6px);
    border-color: rgba(99,102,241,.25);
    box-shadow: var(--shadow-lg);
}
.my-course-card:hover::before {
    transform: scaleX(1);
}

/* تصویر دوره */
.my-course-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--gradient-primary);
}
.my-course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .6s ease;
}
.my-course-card:hover .my-course-image img {
    transform: scale(1.08);
}
.my-course-image .course-placeholder {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    background: var(--gradient-mixed);
    color: #fff;
    font-size: 56px;
    opacity: .9;
}

/* بج «خریداری‌شده» */
.purchased-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(16,185,129,.95);
    color: #fff;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 700;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 12px rgba(16,185,129,.4);
    z-index: 2;
}
.purchased-badge i {
    font-size: 11px;
}

/* سطح دوره */
.my-course-image .course-level {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(10px);
    color: var(--primary);
    padding: 5px 14px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 700;
    z-index: 2;
}

/* بدنه کارت */
.my-course-body {
    padding: 22px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}
.my-course-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
    line-height: 1.5;
    transition: var(--transition);
}
.my-course-card:hover .my-course-title {
    color: var(--primary);
}

/* متادیتا */
.my-course-meta {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px 0;
    margin-bottom: 16px;
    border-top: 1px solid var(--light);
    border-bottom: 1px solid var(--light);
    font-size: 13px;
    color: var(--gray);
}
.my-course-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
}
.my-course-meta i {
    color: var(--primary);
    width: 16px;
    text-align: center;
}

/* پیشرفت دوره (اختیاری) */
.course-progress {
    margin-bottom: 16px;
}
.course-progress-label {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--gray);
    margin-bottom: 6px;
}
.course-progress-label strong {
    color: var(--primary);
    font-weight: 700;
}
.course-progress-bar {
    height: 6px;
    background: var(--light);
    border-radius: 10px;
    overflow: hidden;
}
.course-progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 10px;
    transition: width .8s ease;
}

/* دکمه ورود به دوره */
.btn-enter-course {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 20px;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 14px;
    transition: var(--transition);
    margin-top: auto;
    box-shadow: 0 4px 14px rgba(99,102,241,.3);
}
.btn-enter-course:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99,102,241,.45);
    color: #fff;
}
.btn-enter-course i {
    transition: var(--transition);
}
.btn-enter-course:hover i {
    transform: translateX(-4px);
}

/* ===== Empty State ===== */
.empty-panel {
    text-align: center;
    padding: 70px 30px;
    background: linear-gradient(135deg, #f8fafc, #eef2ff);
    border-radius: var(--radius-lg);
    border: 2px dashed rgba(99,102,241,.25);
}
.empty-panel-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 24px;
    display: grid;
    place-items: center;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 28px;
    font-size: 42px;
    box-shadow: var(--shadow-glow);
    animation: float 3s ease-in-out infinite;
}
.empty-panel h3 {
    font-size: 22px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 10px;
}
.empty-panel p {
    color: var(--gray);
    font-size: 15px;
    margin-bottom: 26px;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.9;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .panel-hero {
        flex-direction: column;
        text-align: center;
        padding: 32px 24px;
    }
    .panel-hero-content {
        flex-direction: column;
        gap: 16px;
    }
    .panel-hero-actions {
        width: 100%;
    }
    .panel-hero-actions .btn-gradient {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .panel-section {
        padding: 100px 0 60px;
    }
    .panel-hero h1 {
        font-size: 20px;
    }
    .panel-avatar {
        width: 64px;
        height: 64px;
        font-size: 26px;
        border-radius: 18px;
    }
    .panel-tabs {
        padding: 6px;
    }
    .panel-tab {
        padding: 11px 16px;
        font-size: 13px;
    }
    .panel-tab span { display: none; }
    .panel-tab i { margin: 0; }
    
    .panel-content {
        padding: 20px 16px;
    }
    .panel-content-head h2 {
        font-size: 18px;
    }
    .panel-content-head h2 i {
        width: 34px;
        height: 34px;
        font-size: 15px;
    }
    
    .my-courses-grid {
        grid-template-columns: 1fr;
    }
    
    .empty-panel {
        padding: 50px 20px;
    }
    .empty-panel-icon {
        width: 80px;
        height: 80px;
        font-size: 34px;
    }
    .empty-panel h3 { font-size: 18px; }
    .empty-panel p { font-size: 14px; }
}

@media (max-width: 480px) {
    .panel-hero { padding: 24px 18px; }
    .panel-hero h1 { font-size: 17px; }
    .panel-hero .badge-grade { font-size: 11px; padding: 5px 11px; }
    .panel-tab { padding: 9px 12px; font-size: 12px; }
    .panel-content-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}
/* ===== پروفایل ===== */
.profile-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}
.profile-card {
    background: var(--light-2);
    padding: 24px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(99,102,241,.1);
}
.profile-card h3 {
    font-size: 17px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 2px dashed rgba(99,102,241,.15);
    display: flex;
    align-items: center;
    gap: 10px;
}
.profile-card h3 i {
    color: var(--primary);
}

@media (max-width: 900px) {
    .profile-grid { grid-template-columns: 1fr; }
}
/* ============================================
   QUICK ACTIONS - دسترسی سریع
   ============================================ */
   .quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 18px;
    margin-top: 32px;
}

.quick-action {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px 20px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 2px solid transparent;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}
.quick-action::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: var(--transition);
}
.quick-action:hover {
    transform: translateY(-6px);
    border-color: rgba(99,102,241,.2);
    box-shadow: var(--shadow-lg);
}
.quick-action:hover::before {
    transform: scaleX(1);
}

.quick-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 14px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, rgba(99,102,241,.15), rgba(168,85,247,.15));
    color: var(--primary);
    border-radius: 18px;
    font-size: 24px;
    transition: var(--transition);
}
.quick-action:hover .quick-icon {
    background: var(--gradient-primary);
    color: #fff;
    transform: scale(1.1) rotate(-6deg);
    box-shadow: var(--shadow-glow);
}

.quick-action h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}
.quick-action p {
    font-size: 12px;
    color: var(--gray);
    margin: 0;
}

@media (max-width: 600px) {
    .quick-actions {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .quick-action {
        padding: 18px 12px;
    }
    .quick-icon {
        width: 46px;
        height: 46px;
        font-size: 18px;
        border-radius: 14px;
    }
    .quick-action h4 { font-size: 13px; }
    .quick-action p { font-size: 11px; }
}
/* ============================================
   COURSE DETAIL PAGE - صفحه جزئیات دوره
   ============================================ */

/* ===== Section اصلی ===== */
.course-detail-section {
    padding: 120px 0 80px;
    min-height: 100vh;
    background: linear-gradient(180deg, #eef2ff 0%, #f8fafc 400px, #f8fafc 100%);
    position: relative;
}

/* ===== Breadcrumb ===== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 28px;
    padding: 12px 20px;
    background: rgba(255,255,255,.7);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    width: fit-content;
    border: 1px solid rgba(99,102,241,.12);
    font-size: 13px;
    color: var(--gray);
}
.breadcrumb a {
    color: var(--gray);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb i {
    font-size: 10px;
    color: var(--gray-light);
}
.breadcrumb span {
    color: var(--dark);
    font-weight: 600;
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ===== Layout دوره ===== */
.course-detail-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 36px;
    align-items: start;
}

/* ===== کارت اصلی (سمت راست) ===== */
.course-main {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid rgba(99,102,241,.08);
}

/* تصویر کاور */
.course-cover {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--gradient-primary);
}
.course-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.course-cover .course-placeholder {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    background: var(--gradient-mixed);
    color: #fff;
    font-size: 100px;
    opacity: .9;
}
.course-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15,23,42,.7) 0%, transparent 60%);
    pointer-events: none;
}

/* بج‌های روی تصویر */
.cover-badges {
    position: absolute;
    top: 18px;
    right: 18px;
    display: flex;
    gap: 8px;
    z-index: 2;
    flex-wrap: wrap;
}
.cover-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    box-shadow: 0 4px 14px rgba(0,0,0,.1);
}
.cover-badge i {
    font-size: 11px;
}
.cover-badge.level {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(99,102,241,.4);
}
.cover-badge.duration {
    background: rgba(16,185,129,.95);
    color: #fff;
}

/* عنوان روی تصویر */
.course-cover-title {
    position: absolute;
    bottom: 0;
    right: 0;
    left: 0;
    padding: 24px;
    z-index: 2;
    color: #fff;
}
.course-cover-title h1 {
    font-size: 28px;
    font-weight: 800;
    line-height: 1.4;
    text-shadow: 0 2px 12px rgba(0,0,0,.3);
    margin: 0;
}

/* ===== بخش محتوای دوره ===== */
.course-body {
    padding: 32px;
}

/* متادیتا افقی */
.course-meta-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
    padding: 20px;
    background: linear-gradient(135deg, #f8fafc, #eef2ff);
    border-radius: var(--radius);
    margin-bottom: 28px;
    border: 1px solid rgba(99,102,241,.1);
}
.meta-item {
    display: flex;
    align-items: center;
    gap: 12px;
}
.meta-icon {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    background: var(--white);
    color: var(--primary);
    border-radius: 12px;
    font-size: 16px;
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}
.meta-content {
    display: flex;
    flex-direction: column;
    line-height: 1.4;
    min-width: 0;
}
.meta-content small {
    color: var(--gray);
    font-size: 11px;
    font-weight: 500;
}
.meta-content strong {
    color: var(--dark);
    font-size: 14px;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== بخش‌های محتوا ===== */
.course-section {
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px dashed rgba(99,102,241,.15);
}
.course-section:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

.course-section-title {
    font-size: 19px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.course-section-title::before {
    content: '';
    width: 5px;
    height: 24px;
    background: var(--gradient-primary);
    border-radius: 4px;
}
.course-section-title i {
    color: var(--primary);
    font-size: 18px;
}

/* توضیحات */
.course-description {
    color: var(--gray);
    font-size: 15px;
    line-height: 2.1;
    text-align: justify;
}

/* ویژگی‌ها */
.course-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
}
.feature-box {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: linear-gradient(135deg, #f8fafc, #eef2ff);
    border-radius: var(--radius);
    border: 1px solid rgba(99,102,241,.1);
    transition: var(--transition);
}
.feature-box:hover {
    transform: translateX(-4px);
    border-color: rgba(99,102,241,.25);
    background: var(--white);
    box-shadow: var(--shadow-sm);
}
.feature-box i {
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 10px;
    font-size: 14px;
    flex-shrink: 0;
}
.feature-box span {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
}

/* ===== کارت خرید (سمت چپ - sticky) ===== */
.course-sidebar {
    position: sticky;
    top: 100px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.buy-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(15,23,42,.12);
    padding: 28px;
    border: 1px solid rgba(99,102,241,.1);
    position: relative;
    overflow: hidden;
}
.buy-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 5px;
    background: var(--gradient-primary);
}

/* قیمت */
.buy-price {
    text-align: center;
    padding-bottom: 22px;
    border-bottom: 1px dashed rgba(99,102,241,.15);
    margin-bottom: 22px;
}
.buy-price-label {
    color: var(--gray);
    font-size: 13px;
    margin-bottom: 6px;
    display: block;
}
.buy-price-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.2;
}
.buy-price-value small {
    font-size: 15px;
    font-weight: 500;
    color: var(--gray);
    margin-right: 4px;
}

/* حالت «قبلاً خریداری شده» */
.buy-owned {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px;
    background: linear-gradient(135deg, #d1fae5, #ecfdf5);
    color: #065f46;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 18px;
    border-right: 4px solid var(--success);
}
.buy-owned i {
    font-size: 18px;
    color: var(--success);
}

/* دکمه خرید */
.btn-buy {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 16px;
    background: var(--gradient-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 8px 20px rgba(99,102,241,.35);
    margin-bottom: 12px;
}
.btn-buy:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(99,102,241,.5);
    color: #fff;
}
.btn-buy:active {
    transform: translateY(0);
}

/* دکمه ورود به دوره */
.btn-go-course {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 700;
    transition: var(--transition);
    box-shadow: 0 8px 20px rgba(16,185,129,.35);
    margin-bottom: 12px;
}
.btn-go-course:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(16,185,129,.5);
    color: #fff;
}

/* دکمه ورود (اگه لاگین نکرده) */
.btn-login-buy {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 16px;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 700;
    transition: var(--transition);
    box-shadow: 0 8px 20px rgba(99,102,241,.35);
    margin-bottom: 12px;
}
.btn-login-buy:hover {
    transform: translateY(-2px);
    color: #fff;
}

/* تضمین‌ها */
.buy-guarantees {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-top: 18px;
    margin-top: 6px;
    border-top: 1px dashed rgba(99,102,241,.15);
}
.guarantee-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--gray);
}
.guarantee-item i {
    color: var(--success);
    font-size: 14px;
    width: 18px;
    text-align: center;
}

/* کارت ویژگی‌های جانبی */
.side-info-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 22px;
    border: 1px solid rgba(99,102,241,.08);
}
.side-info-card h4 {
    font-size: 15px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px dashed rgba(99,102,241,.15);
    display: flex;
    align-items: center;
    gap: 8px;
}
.side-info-card h4 i {
    color: var(--primary);
}
.side-info-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.side-info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    padding: 8px 0;
    border-bottom: 1px solid var(--light);
}
.side-info-item:last-child { border-bottom: none; }
.side-info-item span:first-child {
    color: var(--gray);
    display: flex;
    align-items: center;
    gap: 8px;
}
.side-info-item span:first-child i {
    color: var(--primary);
    width: 16px;
}
.side-info-item strong {
    color: var(--dark);
    font-weight: 700;
}

/* ===== دوره‌های مشابه ===== */
.related-section {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 2px dashed rgba(99,102,241,.15);
}
.related-section h2 {
    font-size: 24px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.related-section h2::before {
    content: '';
    width: 6px;
    height: 28px;
    background: var(--gradient-primary);
    border-radius: 4px;
}

/* ===== ریسپانسیو ===== */
@media (max-width: 1024px) {
    .course-detail-grid {
        grid-template-columns: 1fr;
    }
    .course-sidebar {
        position: static;
    }
    .buy-card {
        position: static;
    }
    .course-cover-title h1 {
        font-size: 22px;
    }
}

@media (max-width: 768px) {
    .course-detail-section {
        padding: 100px 0 60px;
    }
    .breadcrumb {
        font-size: 11px;
        padding: 10px 14px;
        gap: 6px;
    }
    .breadcrumb span { max-width: 140px; }
    
    .course-body { padding: 20px 16px; }
    
    .course-cover-title {
        padding: 16px;
    }
    .course-cover-title h1 {
        font-size: 18px;
    }
    
    .course-meta-bar {
        padding: 14px;
        gap: 10px;
        grid-template-columns: 1fr 1fr;
    }
    .meta-icon {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }
    .meta-content strong { font-size: 12px; }
    .meta-content small { font-size: 10px; }
    
    .course-section-title { font-size: 16px; }
    .course-section-title::before {
        width: 4px;
        height: 20px;
    }
    .course-description { font-size: 14px; line-height: 1.95; }
    
    .buy-card { padding: 22px 18px; }
    .buy-price-value { font-size: 26px; }
    
    .cover-badges {
        top: 12px;
        right: 12px;
    }
    .cover-badge {
        padding: 5px 10px;
        font-size: 10px;
    }
    
    .course-features {
        grid-template-columns: 1fr;
    }
    
    .related-section h2 { font-size: 19px; }
}

@media (max-width: 480px) {
    .course-cover-title h1 {
        font-size: 16px;
        line-height: 1.5;
    }
    .course-meta-bar {
        grid-template-columns: 1fr;
    }
    .course-section-title { font-size: 15px; }
    .buy-price-value { font-size: 24px; }
    .btn-buy,
    .btn-go-course,
    .btn-login-buy {
        font-size: 14px;
        padding: 14px;
    }
}