:root {
    /* پالت رنگی تم تاریک نئونی */
    --sn-primary: #3b82f6;
    --sn-primary-glow: rgba(59, 130, 246, 0.5);
    --sn-accent: #8b5cf6;
    --sn-accent-glow: rgba(139, 92, 246, 0.4);
    --sn-bg-dark: radial-gradient(circle at center, #0f172a 0%, #020617 100%);
    --sn-card-dark: rgba(15, 23, 42, 0.65);
    --sn-card-border-dark: rgba(255, 255, 255, 0.08);
    --sn-text-white: #f8fafc;
    --sn-text-muted-dark: #94a3b8;
    
    /* پالت رنگی تم روشن کلاسیک */
    --sn-bg-light: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    --sn-card-light: rgba(255, 255, 255, 0.75);
    --sn-card-border-light: rgba(15, 23, 42, 0.08);
    --sn-text-dark: #0f172a;
    --sn-text-muted-light: #475569;
    
    --transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* ساختار تمام‌صفحه بهینه بدون ایجاد اسکرول افقی */
#sn-dashboard {
    font-family: 'Tahoma', 'YekanBakh', sans-serif;
    direction: rtl;
    min-height: 100vh;
    width: 100vw;
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    padding: 40px 8%;
    box-sizing: border-box;
    transition: var(--transition);
    overflow-x: hidden;
}

/* منطق سوییچ رنگ تم اصلی */
#sn-dashboard.sn-theme-dark {
    background: var(--sn-bg-dark);
    color: var(--sn-text-white);
}

#sn-dashboard.sn-theme-light {
    background: var(--sn-bg-light);
    color: var(--sn-text-dark);
}

/* خوش‌آمدگویی بالای صفحه (Welcome Alert) */
.sn-welcome-alert {
    background: rgba(139, 92, 246, 0.15);
    border: 1px solid rgba(139, 92, 246, 0.3);
    backdrop-filter: blur(10px);
    padding: 18px 25px;
    border-radius: 16px;
    margin-bottom: 30px;
    font-size: 15px;
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.1);
    animation: slideInDown 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) both;
}
.sn-welcome-alert strong {
    color: #a78bfa;
}
.sn-theme-light .sn-welcome-alert {
    background: rgba(139, 92, 246, 0.08);
    border-color: rgba(139, 92, 246, 0.2);
}
.sn-theme-light .sn-welcome-alert strong {
    color: #6d28d9;
}

/* هدر پنل */
.sn-header {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 40px;
    animation: fadeInDown 0.8s ease;
}

@media (min-width: 1024px) {
    .sn-header {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

/* بخش اطلاعات کاربری و آواتار تعاملی */
.sn-user-meta {
    display: flex;
    align-items: center;
    gap: 25px;
}

.sn-avatar-wrapper {
    position: relative;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    cursor: pointer;
    overflow: hidden;
    border: 4px solid var(--sn-primary);
    box-shadow: 0 0 20px var(--sn-primary-glow);
    transition: var(--transition-bounce);
}

.sn-avatar-wrapper:hover {
    transform: scale(1.08) rotate(3deg);
    box-shadow: 0 0 30px var(--sn-primary);
}

.sn-avatar-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sn-avatar-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition);
}

.sn-avatar-wrapper:hover .sn-avatar-overlay {
    opacity: 1;
}

.sn-avatar-overlay i {
    color: #fff;
    font-size: 20px;
}

/* عنوان و دکمه سوئیچ تم */
.sn-welcome-text h2 {
    margin: 0 0 8px 0;
    font-size: 26px;
    font-weight: 700;
}

.sn-role-badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
    background: linear-gradient(135deg, var(--sn-primary), var(--sn-accent));
    color: #fff;
    box-shadow: 0 4px 15px var(--sn-primary-glow);
}

.sn-theme-switcher-wrapper {
    margin-top: 12px;
}

.sn-theme-toggle-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: var(--transition-bounce);
}

.sn-theme-toggle-btn:hover {
    transform: scale(1.15) rotate(15deg);
    background: var(--sn-primary);
}

/* گرید کارت‌های شاخص (۶ ستونه منعطف) */
.sn-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    width: 100%;
}

@media (min-width: 640px) {
    .sn-stats-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1200px) {
    .sn-stats-grid { 
        grid-template-columns: repeat(6, 1fr); 
        width: auto;
        flex-grow: 1;
        margin-right: 40px;
    }
}

/* استایل مدرن شیشه‌ای کارت‌ها */
.sn-stat-card {
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 20px 15px;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition-bounce);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.sn-theme-dark .sn-stat-card {
    background: var(--sn-card-dark);
    border: 1px solid var(--sn-card-border-dark);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.25);
}

.sn-theme-light .sn-stat-card {
    background: var(--sn-card-light);
    border: 1px solid var(--sn-card-border-light);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.05);
}

.sn-stat-card:hover {
    transform: translateY(-8px) scale(1.03);
}

.sn-theme-dark .sn-stat-card:hover {
    border-color: var(--sn-primary);
    box-shadow: 0 0 25px var(--sn-primary-glow);
}

.sn-theme-light .sn-stat-card:hover {
    border-color: var(--sn-accent);
    box-shadow: 0 0 25px var(--sn-accent-glow);
}

/* استایل دهی به کارت شاخص برجسته اشتراک */
.sn-stat-card.highlighted {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.15), rgba(37, 99, 235, 0.15));
    border: 1px solid rgba(139, 92, 246, 0.4);
}

.sn-stat-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sn-theme-dark .sn-stat-label { color: var(--sn-text-muted-dark); }
.sn-theme-light .sn-stat-label { color: var(--sn-text-muted-light); }

.sn-stat-value {
    font-size: 16px;
    font-weight: 700;
}

.sn-theme-dark .sn-stat-value { color: var(--sn-text-white); }
.sn-theme-light .sn-stat-value { color: var(--sn-text-dark); }

.sn-stat-value.sn-sub-expire {
    font-size: 13px;
    color: #a78bfa;
}

/* انیمیشن پالس نئونی اعلان */
.sn-pulse-neon {
    animation: neonPulse 2s infinite alternate;
}

@keyframes neonPulse {
    from { text-shadow: 0 0 2px #fff, 0 0 4px var(--sn-accent), 0 0 6px var(--sn-accent); }
    to { text-shadow: 0 0 4px #fff, 0 0 10px var(--sn-accent), 0 0 14px var(--sn-accent); }
}

/* ساختار بدنه اصلی محتوا و سایدبار */
.sn-main-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

@media (min-width: 992px) {
    .sn-main-layout {
        grid-template-columns: 280px 1fr;
    }
}

/* سایدبار ناوبری */
.sn-sidebar {
    border-radius: 24px;
    padding: 20px;
    animation: fadeInRight 1s ease;
}

.sn-theme-dark .sn-sidebar {
    background: var(--sn-card-dark);
    border: 1px solid var(--sn-card-border-dark);
}

.sn-theme-light .sn-sidebar {
    background: var(--sn-card-light);
    border: 1px solid var(--sn-card-border-light);
}

.sn-nav {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sn-nav-btn {
    background: transparent;
    border: none;
    padding: 16px 20px;
    border-radius: 16px;
    text-align: right;
    cursor: pointer;
    transition: var(--transition-bounce);
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 14px;
    font-weight: 500;
}

.sn-theme-dark .sn-nav-btn { color: var(--sn-text-muted-dark); }
.sn-theme-light .sn-nav-btn { color: var(--sn-text-muted-light); }

.sn-nav-icon {
    font-size: 18px;
}

.sn-nav-btn:hover,
.sn-nav-btn.active {
    background: linear-gradient(135deg, var(--sn-primary), var(--sn-accent));
    color: #ffffff !important;
    box-shadow: 0 8px 20px var(--sn-primary-glow);
    transform: translateX(-5px);
}

.sn-nav-btn.logout {
    margin-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.sn-nav-btn.logout:hover {
    background: linear-gradient(135deg, #ef4444, #b91c1c);
    box-shadow: 0 8px 20px rgba(239, 68, 68, 0.3);
}

/* باکس نمایش دهنده محتوا */
.sn-content {
    border-radius: 24px;
    padding: 40px;
    animation: fadeInUp 1s ease;
    min-height: 400px;
}

.sn-theme-dark .sn-content {
    background: var(--sn-card-dark);
    border: 1px solid var(--sn-card-border-dark);
}

.sn-theme-light .sn-content {
    background: var(--sn-card-light);
    border: 1px solid var(--sn-card-border-light);
}

.sn-tab-content {
    display: none;
}

.sn-tab-content.active {
    display: block;
    animation: scaleIn 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

/* انیمیشن‌ها */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.96); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes slideInDown {
    from { opacity: 0; transform: translateY(-70px); }
    to { opacity: 1; transform: translateY(0); }
}