:root {
    --bg-base: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-glass: rgba(255, 255, 255, 0.85);
    --bg-hover: #f1f5f9;
    --bg-active: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #94a3b8;
    --border-light: #e2e8f0;
    --border-glass: rgba(15, 23, 42, 0.08);

    --color-border-hover: #cbd5e1;
    --color-primary-hover: #334155;
    --color-success: #16a34a;
    --color-error: #dc2626;
    --color-player-bg: #000000;
    --color-accent: #2563eb;
    --color-success: #10b981;
    --color-danger: #ef4444;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-glass-top: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
    --shadow-glass-bottom: 0 -10px 30px -10px rgba(0, 0, 0, 0.05);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-full: 9999px;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: 0.15s var(--ease-out);
    --transition-normal: 0.3s var(--ease-out);
    --font-xs: clamp(0.75rem, 0.7vw + 0.5rem, 0.875rem);
    --font-sm: clamp(0.875rem, 0.8vw + 0.5rem, 1rem);
    --font-base: clamp(1rem, 1vw + 0.5rem, 1.125rem);
    --bg-body: #f1f5f9; /* پس زمینه کمی تیره تر برای برجسته شدن کارت های سفید */
    --text-secondary: #64748b;
    --primary-accent: #0ea5e9;
     
    /* تم یکپارچه سفید و طوسی برای تمامی کارت‌ها */
    --card-gradient: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    --card-border: #e2e8f0;
    --card-shadow: 0 4px 15px -3px rgba(0, 0, 0, 0.05), 0 2px 6px -2px rgba(0, 0, 0, 0.025);
    --card-shadow-hover: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
     
    --btn-bg: #f1f5f9;
    --btn-hover: #e2e8f0;

    --font-main: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --font-xs: clamp(0.7rem, 0.75vw, 0.8rem);
    --font-sm: clamp(0.85rem, 0.9vw, 1rem);
    --font-base: clamp(1rem, 1.1vw, 1.125rem);
    --font-lg: clamp(1.25rem, 2vw, 1.8rem);

    --radius-sm: 0.375rem;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    --shadow-glow: 0 0 15px rgba(14, 165, 233, 0.2);
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 10px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --slider-aspect: 21 / 9;
    --font-lg: clamp(1.25rem, 1.5vw + 0.5rem, 1.5rem);
    --color-border: #e2e8f0;
    
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
            
--footer-bg: #ffffff;
            --footer-border: #e2e8f0;
            --text-main: #0f172a;
            --text-muted: #64748b;
            --accent-color: #3b82f6;
            --transition-speed: 0.2s;
            --badge-bg: #f8fafc;
            --badge-border: #cbd5e1;


}
[data-theme="dark"] {
    --bg-base: #020617;
    --bg-surface: #0f172a;
    --bg-surface-glass: rgba(15, 23, 42, 0.85);
    --bg-hover: #1e293b;
    --bg-active: #334155;
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-tertiary: #64748b;
    
    --border-light: #1e293b;
    --border-glass: rgba(255, 255, 255, 0.08);
    
    --color-accent: #3b82f6;
    --shadow-glass-top: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --shadow-glass-bottom: 0 -10px 30px -10px rgba(0, 0, 0, 0.5);
    --footer-bg: #0f172a;
                --footer-border: #1e293b;
                --text-main: #f8fafc;
                --text-muted: #94a3b8;
                --accent-color: #60a5fa;
                --badge-bg: #1e293b;
                --badge-border: #334155;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-base); color: var(--text-primary); line-height: 1.5;
    transition: background-color var(--transition-normal), color var(--transition-normal);
    overflow-x: hidden; display: flex; flex-direction: column; min-height: 100vh; padding-bottom: 4.5rem;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { border: none; background: none; font: inherit; cursor: pointer; color: inherit; outline: none; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.5rem 1rem; border-radius: var(--radius-md); font-size: var(--font-sm);
    font-weight: 500; transition: all var(--transition-fast);
}
.btn-primary { background-color: var(--text-primary); color: var(--bg-surface); }
.btn-primary:active { transform: scale(0.98); }
[data-theme="dark"] .btn-primary { background-color: var(--color-accent); color: #fff; }

.btn-icon {
    width: 2.5rem; height: 2.5rem; border-radius: var(--radius-full);
    display: grid; place-items: center; color: var(--text-secondary);
    transition: all var(--transition-fast);
}
.btn-icon:hover, .btn-icon:active { background-color: var(--bg-hover); color: var(--text-primary); }
.sys-ticker {
    background-color: var(--bg-base); border-bottom: 1px solid var(--border-light);
    height: 2rem; display: flex; align-items: center; overflow: hidden;
    font-size: var(--font-xs); font-weight: 500; z-index: 50; position: relative;
}
.ticker-track { display: flex; gap: 3rem; white-space: nowrap; animation: scrollTicker 40s linear infinite; }
.sys-ticker:hover .ticker-track { animation-play-state: paused; }
@keyframes scrollTicker { 0% { transform: translateX(0); } 100% { transform: translateX(50%); } }
.tick-item { display: inline-flex; gap: 0.5rem; color: var(--text-secondary); }
.tick-sym { color: var(--text-primary); font-weight: 600; }
.t-up { color: var(--color-success); }
.t-down { color: var(--color-danger); }

 .sys-header {
position: sticky; top: 0; z-index: 40; height: 4rem;
    background-color: var(--bg-surface-glass); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glass);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}
.header-hidden { transform: translateY(-100%); }
.header-visible { transform: translateY(0); box-shadow: var(--shadow-glass-top); }
.header-inner {
    max-width: 1440px; margin: 0 auto; padding: 0 1rem; height: 100%;
    display: flex; align-items: center; justify-content: space-between; position: relative;
}

  .brand { display: flex; align-items: center; gap: 0.5rem; font-weight: 700; font-size: var(--font-base); }
.brand-icon {
width: 1.75rem; height: 1.75rem; border-radius: var(--radius-sm);
background: linear-gradient(135deg, var(--color-accent), #60a5fa);
    display: grid; place-items: center; color: #fff;
}

.mobile-header-actions { display: flex; align-items: center; gap: 0.25rem; }
.mobile-header-center { display: flex; justify-content: center; }
.mobile-header-end { display: flex; justify-content: flex-end; align-items: center; gap: 0.5rem; }

.desk-nav { display: none; flex: 1; height: 100%; margin-right: 2rem; }
.desk-nav-list { display: flex; gap: 0.5rem; height: 100%; }
.nav-item { position: relative; display: flex; align-items: center; height: 100%; }

.nav-trigger {
    padding: 0.5rem 1rem; border-radius: var(--radius-full); font-size: var(--font-sm);
    font-weight: 500; color: var(--text-secondary); display: flex; align-items: center; gap: 0.25rem;
    transition: all var(--transition-fast);
}
.nav-trigger:hover, .nav-item.active .nav-trigger { background-color: var(--bg-hover); color: var(--text-primary); }
.nav-trigger svg { transition: transform var(--transition-fast); }
.nav-item.active .nav-trigger svg { transform: rotate(180deg); }

.dropdown-panel {
    position: absolute; top: calc(100% - 0.5rem); right: 0;
    background: var(--bg-surface); border: 1px solid var(--border-light);
    border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: 2rem;
    min-width: 600px; opacity: 0; visibility: hidden; pointer-events: none;
    transition: all var(--transition-fast); display: grid;
    grid-template-columns: repeat(2, 1fr); gap: 2rem; transform: translateY(10px);
    z-index: 60; transform-origin: top center;
}
.nav-item.active .dropdown-panel { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); }

.dropdown-col-title {
    font-size: var(--font-xs); font-weight: 700; text-transform: uppercase;
    letter-spacing: 1px; color: var(--text-tertiary); margin-bottom: 1rem; display: flex; align-items: center; gap: 0.5rem;
}

.dropdown-link {
    display: flex; align-items: flex-start; gap: 1rem; padding: 0.75rem;
    border-radius: var(--radius-md); transition: background var(--transition-fast); margin-left: -0.75rem; margin-right: -0.75rem;
}
.dropdown-link:hover { background: var(--bg-hover); }
.link-icon {
    width: 40px; height: 40px; border-radius: 10px; background: var(--bg-base);
    display: grid; place-items: center; color: var(--color-accent); border: 1px solid var(--border-light); flex-shrink: 0;
}
.link-text-wrap { display: flex; flex-direction: column; gap: 0.25rem; }
.link-title { font-weight: 600; font-size: var(--font-sm); color: var(--text-primary); }
.link-desc { font-size: var(--font-xs); color: var(--text-secondary); line-height: 1.4; }

/* Modals & Overlays */
.modal-overlay {
    position: fixed; inset: 0; background-color: rgba(0, 0, 0, 0.5); backdrop-filter: blur(3px);
    z-index: 1000; opacity: 0; visibility: hidden; transition: all var(--transition-normal);
    display: grid; place-items: center; padding: 1rem;
}
.modal-overlay.active { opacity: 1; visibility: visible; }
        
.sys-modal {
    background: var(--bg-surface); border-radius: var(--radius-lg); width: 100%; max-width: 400px;
    box-shadow: var(--shadow-lg); transform: scale(0.95); opacity: 0; transition: all var(--transition-normal); padding: 1.5rem;
}
.modal-overlay.active .sys-modal { transform: scale(1); opacity: 1; }
.modal-header { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border-light); padding-bottom: 1rem; margin-bottom: 1rem; }
.sheet-overlay {
    position: fixed; inset: 0; background-color: rgba(0, 0, 0, 0.4); backdrop-filter: blur(2px);
    z-index: 80; opacity: 0; visibility: hidden; transition: all var(--transition-normal);
}
.sheet-overlay.active { opacity: 1; visibility: visible; }
.mobile-learning-sheet {
    position: fixed; bottom: 4.5rem; left: 0; right: 0;
    background: var(--bg-surface); border-top: 1px solid var(--border-light);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0; padding: 1.5rem; z-index: 85; transform: translateY(100%);
    transition: transform var(--transition-normal), visibility var(--transition-normal);
    max-height: calc(100vh - 6rem); overflow-y: auto; display: flex; flex-direction: column; gap: 1.5rem; visibility: hidden;
}
.mobile-learning-sheet.active { transform: translateY(0); visibility: visible; box-shadow: var(--shadow-glass-top); }
.drawer-overlay {
    position: fixed; inset: 0; background-color: rgba(0, 0, 0, 0.4); backdrop-filter: blur(2px);
    z-index: 90; opacity: 0; visibility: hidden; transition: all var(--transition-normal);
}
.drawer-overlay.active { opacity: 1; visibility: visible; }

.sys-drawer {
    position: fixed; top: 0; right: 0; bottom: 0; width: 85vw; max-width: 320px;
    background-color: var(--bg-surface); z-index: 100; box-shadow: var(--shadow-lg);
    transform: translateX(100%); transition: transform var(--transition-normal);
    display: flex; flex-direction: column; overflow: hidden;
}
.sys-drawer.active { transform: translateX(0); }

/* Drawer internal */
.drawer-header { padding: 1rem 1.5rem; border-bottom: 1px solid var(--border-light); display: flex; justify-content: space-between; align-items: center; }
.drawer-body { flex: 1; overflow-y: auto; padding: 1.5rem; display: flex; flex-direction: column; gap: 1.5rem; }
.user-card { display: flex; align-items: center; gap: 1rem; padding: 1rem; background-color: var(--bg-base); border-radius: var(--radius-lg); cursor: pointer; }
.user-avatar { width: 3rem; height: 3rem; border-radius: var(--radius-full); background-color: var(--border-light); display: grid; place-items: center; color: var(--text-secondary); }
.user-info h3 { font-size: var(--font-sm); font-weight: 600; color: var(--text-primary); }
.user-info p { font-size: var(--font-xs); color: var(--text-tertiary); }

.drawer-links { display: flex; flex-direction: column; gap: 0.25rem; }
.drawer-link {
    display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem 0.5rem; width: 100%;
    border-radius: var(--radius-md); font-size: var(--font-sm); font-weight: 500; color: var(--text-primary);
    transition: background-color var(--transition-fast); text-align: right;
}
.drawer-link:active { background-color: var(--bg-active); }
.drawer-link svg { color: var(--text-tertiary); }
.drawer-footer { padding: 1.5rem; border-top: 1px solid var(--border-light); }
.link-danger { color: var(--color-danger); }
.link-danger svg { color: var(--color-danger); }
/* Support Grid & Forms */
.support-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; text-align: center; margin-bottom: 1.5rem; }
.support-item { display: flex; flex-direction: column; align-items: center; gap: 0.5rem; }
.support-avatar { width: 48px; height: 48px; border-radius: 50%; background: var(--bg-base); border: 1px solid var(--border-light); display: grid; place-items: center; color: var(--color-accent); font-size: 1.2rem; }
.support-name { font-size: var(--font-sm); font-weight: 600; color: var(--text-primary); }
.support-status { font-size: 0.65rem; color: var(--text-tertiary); }
.form-control { width: 100%; padding: 0.75rem; border: 1px solid var(--border-light); border-radius: var(--radius-md); background: var(--bg-base); color: var(--text-primary); margin-bottom: 0.75rem; font-family: inherit; font-size: var(--font-sm); outline: none;}
.form-control:focus { border-color: var(--color-accent); }

/* Bottom Nav */
.sys-bottom-nav {
    position: fixed; bottom: 0; left: 0; right: 0; height: 4.5rem; z-index: 40;
    background-color: var(--bg-surface-glass); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--border-glass);
    display: flex; justify-content: space-around; align-items: center; padding-bottom: env(safe-area-inset-bottom);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}
.bottom-nav-hidden { transform: translateY(100%); }
.bottom-nav-visible { transform: translateY(0); box-shadow: var(--shadow-glass-bottom); }
.bnav-item {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 0.25rem; color: var(--text-tertiary); width: 100%; height: 100%; transition: color var(--transition-fast);
}
.bnav-item.active { color: var(--color-accent); }
.bnav-item span { font-size: 0.65rem; font-weight: 500; }
.bnav-icon { transition: transform var(--transition-fast); }
.bnav-item:active .bnav-icon { transform: scale(0.9); }
.container { flex: 1; max-width: 1440px; margin: 0 auto; padding: 2rem 1rem; width: 100%; }
        
.skeleton {
    background: linear-gradient(90deg, var(--bg-hover) 25%, var(--bg-active) 50%, var(--bg-hover) 75%);
    background-size: 200% 100%; animation: loading 1.5s infinite; border-radius: var(--radius-sm);
}
@keyframes loading { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
/* ----file 2------------------------------------------------------------------------------------------------*/
/* .container-two {
    font-family: var(--font-main);
    background-color: var(--bg-body);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow-x: hidden;
} */
.main-container {
    display: grid;
    grid-template-columns: 3.5fr 1.2fr;
    gap: 24px;
    width: 100%;
    max-width: 1600px;
    align-items: stretch;
}

/* Slider */
.slider-section {
    width: 100%;
    height: 100%;
    aspect-ratio: var(--slider-aspect);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    background-color: #cbd5e1;
    box-shadow: var(--card-shadow);
    touch-action: pan-y;
    border: 1px solid var(--card-border);
}

.slider-track {
    display: flex;
    height: 100%;
    cursor: grab;
    will-change: transform;
}
.slider-track:active { cursor: grabbing; }

.slide {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
    position: relative;
    user-select: none;
    -webkit-user-drag: none;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #e2e8f0;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    pointer-events: none;
}

.slider-nav {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 12px;
    border-radius: var(--radius-full);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.6);
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.slider-dot:hover { background: rgba(255,255,255,1); }

.slider-dot.active {
    width: 28px;
    background: #ffffff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }

/* Sidebar Base Elements */
.sidebar-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
    height: 100%;
    min-height: 0;
}

.unified-card {
    /* background: var(--card-gradient); */
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
}

/* Wallet */
.integrated-wallet {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex: 1;
    min-height: 0;
}

.integrated-wallet::after {
    content: '';
    position: absolute; top: -40%; right: -30%;
    width: 250px; height: 250px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.05) 0%, transparent 60%);
    border-radius: 50%; pointer-events: none;
}
.wallet-info-section { display: flex; flex-direction: column; gap: 1.25rem; z-index: 2; }
.card-top { display: flex; justify-content: space-between; align-items: flex-start; }
.card-label { font-size: 0.85rem; color: var(--text-secondary); display: flex; align-items: center; gap: 0.5rem; font-weight: 600;}
.card-balance-wrapper { display: flex; align-items: baseline; gap: 0.5rem; }
.card-balance { font-size: 2rem; font-weight: 800; letter-spacing: 0.5px; color: var(--text-primary); }
.card-currency { font-size: 0.95rem; color: var(--text-secondary); font-weight: 500; }

.card-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    background: var(--bg-surface);
    padding: 8px 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

.wallet-address {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
    letter-spacing: 1px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.glass-btn { 
    background: var(--bg-surface); 
    border: 1px solid var(--border-light); 
    color: var(--text-secondary); 
    width: 32px; height: 32px; 
    border-radius: 8px; 
    display: flex; align-items: center; justify-content: center; 
    cursor: pointer; transition: var(--transition);
}
.glass-btn:hover { background: var(--btn-hover); color: var(--text-primary); }
.card-bottom .glass-btn { background: var(--bg-surface); }

.wallet-actions-section {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-light);
    z-index: 2;
}
.action-item { display: flex; flex-direction: column; align-items: center; gap: 0.5rem; background: none; border: none; cursor: pointer; }
.action-icon-wrapper {
    width: 44px; height: 44px;
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    transition: var(--transition);
}
.action-item:hover .action-icon-wrapper { background: #ffffff; box-shadow: var(--card-shadow); color: var(--primary-accent); transform: translateY(-3px); border-color: rgba(14, 165, 233, 0.2); }
.action-item:active .action-icon-wrapper { transform: translateY(0) scale(0.95); }
.action-label { font-size: 0.75rem; font-weight: 600; color: var(--text-secondary); text-align: center; transition: var(--transition); }
.action-item:hover .action-label { color: var(--text-primary); }

.action-item[data-action="smart"] .action-icon-wrapper {
    border-color: rgba(14, 165, 233, 0.3);
    background: rgba(14, 165, 233, 0.05);
    color: var(--primary-accent);
}

/* Courses - Unified Design */
.courses-wrapper-one { 
    display: grid; 
    grid-template-columns: 1fr; 
    gap: 12px; 
}
.course-card-one {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 16px; height: 64px; 
    cursor: pointer; transition: var(--transition);
}
.course-card-one:hover { 
    box-shadow: var(--card-shadow-hover); 
    border-color: rgba(14, 165, 233, 0.3); 
    transform: translateY(-2px); 
}
        
.course-info-one { display: flex; align-items: center; gap: 12px; font-weight: 600; font-size: 0.9rem; color: var(--text-primary); }
        
.course-icon-wrapper-one {
    width: 36px; height: 36px;
    background: var(--bg-surface);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    transition: var(--transition);
}
.course-card-one:hover .course-icon-wrapper-one {
    color: var(--primary-accent);
    border-color: rgba(14, 165, 233, 0.3);
    background: rgba(14, 165, 233, 0.05);
}
.course-arrow-one { color: var(--text-secondary); font-size: 1.2rem; transition: var(--transition); }
.course-card-one:hover .course-arrow-one { color: var(--primary-accent); transform: translateX(-4px); }
.toast-notification {
    position: fixed; bottom: 2rem; left: 50%; transform: translateX(-50%) translateY(100px);
    background-color: #0f172a; color: white; padding: 1rem 2rem; border-radius: var(--radius-md);
    font-size: 0.9rem; font-weight: 500; box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    z-index: 10000; opacity: 0; transition: var(--transition); pointer-events: none; white-space: nowrap;
}
.toast-notification.show { transform: translateX(-50%) translateY(0); opacity: 1; }
/* ----file 3----------------------------------------------------------------------------------------------------- */
/* ========================================================================
      LAYOUT
   ======================================================================== */
    .app-main { width: 100%; padding: var(--space-lg) 0px; }
    .state-container { text-align: center; padding: var(--space-xl) 0; display: flex; flex-direction: column; gap: var(--space-sm); align-items: center; justify-content: center; }
    .spinner { width: 42px; height: 42px; border-radius: 50%; border: 4px solid var(--border-light); border-top-color: var(--color-primary); animation: spin 1s linear infinite; }
    @keyframes spin { to { transform: rotate(360deg); } }
   /* ========================================================================
      COURSE CARD & HEADER
   ======================================================================== */
    .course-card {
        background: var(--color-surface); border-radius: var(--radius-lg); padding: var(--space-lg);
        border: 1px solid var(--border-light); margin-bottom: var(--space-lg); box-shadow: var(--shadow-sm);
        display: grid; gap: var(--space-lg); grid-template-columns: 1fr; align-items: stretch;
    }
    .course-header { border-bottom: 1px solid var(--border-light); padding-bottom: var(--space-xs); display: flex; flex-direction: column; gap: var(--space-sm); align-items: center; }

     @media (min-width: 900px) {
        .course-card { grid-template-columns: repeat(3, 1fr); }
        .course-header { grid-column: 1 / -1; flex-direction: row; justify-content: space-between; align-items: center; padding-bottom: var(--space-sm); }
    }

    .instructor-profile { display: flex; align-items: center; gap: var(--space-sm); width: 100%; min-width: 0; }
    .instructor-avatar {
        width: 46px; height: 46px; border-radius: 50%; background: var(--color-bg);
        border: 1px solid var(--border-light); font-weight: 900; font-size: var(--font-sm);
        color: var(--text-secondary); display: grid; place-items: center; flex-shrink: 0;
    }
    .instructor-text { min-width: 0; flex: 1; }
    .instructor-main-title { font-size: clamp(14px, 4vw, 17px); font-weight: 800; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; line-height: 1.4; }
    .instructor-subtitle { font-size: clamp(11px, 3.2vw, 14px); color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; line-height: 1.4; }

    .course-stats { display: flex; gap: var(--space-sm); align-items: stretch; margin-right: auto; }
    .stat-item {
        display: flex; flex-direction: column; align-items: center; justify-content: center;
        background: var(--color-surface-muted); padding: 8px 16px;
        border-radius: var(--radius-md); border: 1px solid var(--border-light);
        transition: 0.2s; white-space: nowrap; 
    }
    .stat-item:hover { background: var(--bg-surface); border-color: var(--color-border-hover); }
    .stat-value { font-size: 14px; font-weight: 800; color: var(--text-primary); display: block; direction: rtl; white-space: nowrap; }
    .stat-label { font-size: 10.5px; color: var(--text-secondary); margin-top: 2px; white-space: nowrap; }

    /* ========================================================================
       COLUMN 1 – COURSE META
    ======================================================================== */
    .course-meta {
        background: var(--color-bg); border-radius: var(--radius-md); padding: var(--space-md);
        display: flex; flex-direction: column; gap: var(--space-sm); height: 100%; min-height: 0;
    }
    .meta-row { display: flex; justify-content: space-between; padding-bottom: 6px; border-bottom: 1px dashed var(--border-light); }
    .meta-row:last-child { border-bottom: none; padding-bottom: 0; }
    .meta-label { font-size: var(--font-sm); color: var(--text-secondary); }
    .meta-value { font-size: var(--font-sm); font-weight: 700; direction: ltr; }

    /* ========================================================================
       COLUMN 2 – EPISODES
    ======================================================================== */
    .syllabus-wrapper { position: relative; height: 100%; min-height: 0; width: 100%; }
    .syllabus-container { display: flex; flex-direction: column; gap: 8px; position: absolute; top: 0; left: 0; right: 0; bottom: 0; overflow-y: auto; padding: 4px; scroll-behavior: smooth; }
    .syllabus-container::-webkit-scrollbar { width: 6px; }
    .syllabus-container::-webkit-scrollbar-thumb { background: var(--color-border-hover); border-radius: 3px; }

    .episode-card-broker {
        background: var(--bg-surface); padding: 8px var(--space-sm); border-radius: var(--radius-md);
        border: 1px solid var(--border-light); display: flex; align-items: center; gap: var(--space-sm);
        cursor: pointer; transition: 0.25s ease; opacity: 0.7; height: 54px; flex-shrink: 0;
    }
    .episode-card-broker:hover { opacity: 1; background: var(--color-bg); }
    .episode-card-broker.active { opacity: 1; border-color: var(--text-primary); box-shadow: var(--shadow-md); transform: scale(1.01); background: var(--color-bg); }

    .ep-file-type {
        width: 36px; height: 36px; border-radius: var(--radius-sm); background: var(--color-border);
        display: grid; place-items: center; font-weight: bold; color: var(--text-secondary);
        font-family: monospace; font-size: 11px; flex-shrink: 0;
    }
    .episode-card-broker.active .ep-file-type { background: var(--text-primary); color: white; }
    .ep-title { font-size: 13px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;}
    .ep-meta { font-size: 11px; color: var(--text-secondary); }
    .ep-text-content { min-width: 0; flex: 1; }

    /* ========================================================================
       COLUMN 3 – VIDEO PLAYER (ADVANCED)
    ======================================================================== */
    .player-wrapper {
        background: var(--color-player-bg); border-radius: var(--radius-md); overflow: hidden; position: relative;
        aspect-ratio: 16/9; display: flex; width: 100%; flex-direction: column; box-shadow: var(--shadow-md);
        user-select: none; height: 100%; min-height: 0; touch-action: none;
        direction: ltr;
    }
    video { width: 100%; height: 100%; object-fit: contain; z-index: 1; transition: opacity 0.3s; cursor: pointer; }
    
    .player-wrapper:fullscreen, .player-wrapper:-webkit-full-screen { aspect-ratio: unset; width: 100vw; height: 100vh; border-radius: 0; }
    .player-wrapper:fullscreen video, .player-wrapper:-webkit-full-screen video { object-fit: contain; }

    .brightness-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0); pointer-events: none; z-index: 2; transition: background 0.1s; }
    
    .gesture-indicator {
        position: absolute; top: 20px; left: 50%; transform: translateX(-50%);
        background: rgba(0,0,0,0.7); color: white; padding: 8px 16px; border-radius: 30px; font-size: 13px;
        font-weight: bold; opacity: 0; transition: opacity 0.2s; z-index: 20; pointer-events: none; backdrop-filter: blur(4px);
        display: flex; align-items: center; gap: 8px;
    }
    .gesture-indicator svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
    .gesture-indicator.show { opacity: 1; }

    /* آیکون های راهنمای کناری */
    .side-hint-icon {
        position: absolute; top: 50%; transform: translateY(-50%);
        background: none; color: rgba(255,255,255,0.7);
        width: 32px; height: 32px; display: none;
        place-items: center; z-index: 15; pointer-events: none;
        opacity: 1; transition: opacity 0.3s ease;
    }
    .side-hint-icon svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
    .side-hint-icon.left-hint { left: 1rem; }
    .side-hint-icon.right-hint { right: 1rem; }
    
    @media (pointer: coarse) {
        .side-hint-icon { display: grid; }
        .player-wrapper.playing.idle .side-hint-icon { opacity: 0; }
        .player-wrapper.paused .side-hint-icon { opacity: 0; }
    }

    .audio-equalizer {
        position: absolute; top: 0; left: 0; right: 0; bottom: 0;
        background: var(--color-player-bg); display: none; align-items: center; justify-content: center;
        gap: 6px; z-index: 3; pointer-events: none;
    }
    .player-wrapper.is-audio .audio-equalizer { display: flex; }
    .player-wrapper.is-audio video { opacity: 0; }
    .eq-bar {
        width: 8px; height: 15px; background: var(--color-success); border-radius: 4px;
        animation: eqAnim 1s ease-in-out infinite;
    }
    .eq-bar:nth-child(2) { animation-delay: 0.2s; }
    .eq-bar:nth-child(3) { animation-delay: 0.4s; }
    .eq-bar:nth-child(4) { animation-delay: 0.1s; }
    .eq-bar:nth-child(5) { animation-delay: 0.3s; }
    @keyframes eqAnim { 0%, 100% { height: 15px; } 50% { height: 60px; } }
    .player-wrapper.paused .eq-bar { animation-play-state: paused; }

    .center-play {
        position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
        width: 64px; height: 64px; background: rgba(0,0,0,0.6); border-radius: 50%;
        display: grid; place-items: center; color: white; cursor: pointer;
        backdrop-filter: blur(4px); border: 1px solid rgba(255,255,255,0.2);
        transition: all 0.3s ease; z-index: 10;
    }
    .player-wrapper.playing .center-play { opacity: 0; transform: translate(-50%, -50%) scale(1.3); pointer-events: none;}
    .center-play svg { width: 32px; height: 32px; fill: white; stroke: none; margin-left: 4px; }

    .custom-controls {
        position: absolute; bottom: 0; left: 0; right: 0; padding: 2rem var(--space-md) var(--space-md);
        background: linear-gradient(0deg, rgba(0,0,0,0.85) 0%, transparent 100%);
        opacity: 1; transition: opacity 0.3s ease; z-index: 10;
    }
    .player-wrapper.playing.idle .custom-controls { opacity: 0; pointer-events: none;}

    .progress-container {
        width: 100%; height: 6px; background: rgba(255,255,255,0.3);
        border-radius: 5px; margin-bottom: var(--space-sm); cursor: pointer;
        position: relative; transition: height 0.2s;
    }
    .progress-container:hover { height: 8px; }
    .progress-filled {
        width: 0%; height: 100%; background: var(--color-success); border-radius: 5px; pointer-events: none; position: relative;
    }
    .progress-filled::after {
        content: ''; position: absolute; right: -6px; top: 50%; transform: translateY(-50%);
        width: 12px; height: 12px; background: white; border-radius: 50%; opacity: 0; transition: 0.2s;
    }
    .progress-container:hover .progress-filled::after { opacity: 1; }

    .controls-row { display: flex; justify-content: space-between; align-items: center; color: white; }
    .controls-group { display: flex; align-items: center; gap: 0.75rem; }
    
    .ctrl-btn { padding: 4px; color: white; display: flex; align-items: center; justify-content: center; transition: 0.2s; }
    .ctrl-btn:hover { color: var(--color-success); }
    .ctrl-btn svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
    .ctrl-btn.filled svg { fill: currentColor; stroke: none; }
    
    .time-display { font-size: var(--font-xs); font-variant-numeric: tabular-nums; direction: ltr; margin-left: 0.5rem; }
    
    .volume-group { display: flex; align-items: center; gap: 0.5rem; }
    .vol-slider { width: 0; opacity: 0; transition: all 0.3s; cursor: pointer; accent-color: var(--color-success); height: 4px;}
    .volume-group:hover .vol-slider { width: 60px; opacity: 1; }

    .speed-btn { font-size: var(--font-xs); font-weight: 700; background: rgba(255,255,255,0.2); padding: 2px 6px; border-radius: var(--radius-sm); }




/* ----file 4----------------------------------------------------------------------------------------------- */
.banner-cards {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(3, 1fr);
}

.banner-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 0.9rem;
    display: grid;
    grid-template-columns: 56px 1fr auto;
    gap: 0.8rem;
    align-items: center;
    box-shadow: var(--shadow-sm);
    transition: 0.2s;
    cursor: pointer;

    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    user-select: none;

    text-decoration: none;
    color: inherit;
}
.banner-card:hover {
    border-color: var(--border-light);
    background: var(--color-surface-muted);
}
.banner-card:active {
    background: var(--color-surface-muted);
}

/* زیرساخت آواتار: فقط src را عوض کن */
.banner-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 1px solid var(--border-light);
    background: var(--color-bg);
    object-fit: cover;
    display: block;
}

.banner-content h3 {
    font-size: 0.95rem;
    font-weight: 800;
    margin-bottom: 0.2rem;
}
.banner-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.banner-cta {
    font-size: 0.8rem;
    color: var(--text-primary);
    background: var(--color-bg);
    border: 1px solid var(--border-light);
    border-radius: 999px;
    padding: 0.35rem 0.7rem;
    white-space: nowrap;
}
/* ---file 6------------------------------------------------------------------------------------------------ */
.lovely-wrapper {
    width: 100%;
    padding: var(--space-lg) 0;
    text-align: right;
}

.section-title {
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 800;
    margin-bottom: 0.25rem; /* کاهش فاصله */
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}

 .title-icons {
    display: inline-flex;
    gap: 0.6rem;
    align-items: center;
    flex-wrap: wrap;
}

 .title-icon {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
}

 .intro-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

 /* Cards Grid */
.topic-cards {
    display: grid;
    gap: var(--space-sm);
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    width: 100%;
}
.topic-card {
    background: var(--color-surface-muted);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    padding: 10px; height: 120px;
    transition: 0.2s ease;
    cursor: pointer; position: relative;
    -webkit-tap-highlight-color: transparent; /* جلوگیری از افکت لمس نامطلوب */
}
.topic-card:hover { background: var(--bg-surface); border-color: var(--color-border-hover); }
.topic-card:active { background: var(--color-surface-muted); } /* جلوگیری از "آب شدن" */

 /* آواتار حرفه‌ای */
.topic-avatar {
    width: 44px; height: 44px; border-radius: 50%;
    background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
    border: 1px solid var(--color-border);
    display: grid; place-items: center;
    font-weight: 800; color: var(--color-primary); font-size: 12px;
    margin-bottom: 8px;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.topic-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: none;
}
.topic-avatar.has-image img { display: block; }
.topic-avatar.has-image .avatar-fallback { display: none; }

 .topic-title {
    font-size: 12px; color: var(--text-secondary);
    text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    width: 100%;
}
.topic-subtitle {
    font-size: 11px; color: var(--text-secondary);
    opacity: 0.8;
    text-align: center;
}

 /* Modal - مدرن‌تر */
.modal-backdrop {
    position: fixed; inset: 0;
    background: rgba(15, 23, 42, 0.35);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center; justify-content: center;
    padding: 1rem; z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}
.modal-backdrop.show {
    opacity: 1;
    pointer-events: auto;
}
.modal {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    max-width: 420px; width: 100%;
    padding: 1rem;
    box-shadow: 0 18px 40px rgba(0,0,0,0.18);
    transform: translateY(14px) scale(0.98);
    opacity: 0;
    transition: transform 0.25s ease, opacity 0.25s ease;
}
.modal.show {
    transform: translateY(0) scale(1);
    opacity: 1;
}
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 0.75rem;
}
.modal-title {
    font-weight: 800; font-size: 1rem; color: var(--text-primary);
}
.modal-close {
    background: transparent; border: 0; font-size: 22px; cursor: pointer; color: var(--text-secondary);
}
.modal-actions {
    display: grid; gap: 0.5rem;
}
.modal-link {
    display: flex; align-items: center; gap: 0.5rem;
    padding: 0.65rem 0.8rem;
    border: 1px solid var(--border-light);
    border-radius: 0.65rem;
    text-decoration: none; color: var(--text-primary);
    background: var(--bg-surface);
    transition: 0.2s ease;
}
.modal-link:hover {
    border-color: var(--color-border-hover);
    background: var(--bg-surface);
}

 .icon {
    width: 18px; height: 18px;
    display: inline-block;
    color: var(--color-icon);
}
.icon svg { width: 100%; height: 100%; fill: currentColor; }

 
/* --------------------------------------------------------------------------------------------------------- */
.spacer {
            flex-grow: 1; /* Pushes footer to the bottom */
        }

        /* Footer Architecture - Desktop Base */
        .enterprise-footer {
            background-color: var(--footer-bg);
            border-top: 1px solid var(--footer-border);
            padding-top: 1.5rem;
            width: 100%;
        }

        .footer-container {
            max-width: 100%;
            padding: 0 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1.5rem;
        }

        /* Brand Section (Logo + Text) */
        .brand-section {
            display: flex;
            align-items: center;
            gap: 1rem;
            max-width: 380px;
        }

        .brand-logo-box {
            width: 48px;
            height: 48px;
            background-color: var(--badge-bg);
            border: 1px solid var(--badge-border);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--text-muted);
            transition: border-color var(--transition-speed) ease;
        }

        .brand-logo-box:hover {
            border-color: var(--accent-color);
            color: var(--accent-color);
        }

        .brand-logo-box svg {
            width: 24px;
            height: 24px;
            fill: currentColor;
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
        }

        .brand-name {
            font-weight: 700;
            color: var(--text-main);
            font-size: 1.1rem;
        }

        .brand-desc {
            color: var(--text-muted);
            font-size: 0.8rem;
            line-height: 1.4;
        }

        /* Horizontal Navigation */
        .footer-nav {
            display: flex;
            list-style: none;
            gap: 1.5rem;
            align-items: center;
        }

        .footer-nav a {
            color: var(--text-primary);
            text-decoration: none;
            font-size: 0.85rem;
            font-weight: 500;
            transition: color var(--transition-speed) ease;
        }

        .footer-nav a:hover,
        .footer-nav a:focus-visible {
            color: var(--accent-color);
            outline: none;
        }

        /* Interactive Elements (Social + Licenses) */
        .interactive-section {
            display: flex;
            align-items: center;
            gap: 1.25rem;
        }

        .social-links {
            display: flex;
            gap: 0.5rem;
            border-right: 1px solid var(--border-light);
            padding-right: 1.25rem;
        }

        .social-links a {
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-speed) ease;
            padding: 0.4rem;
            border-radius: 6px;
            background-color: var(--badge-bg);
            border: 1px solid var(--badge-border);
        }

        .social-links a:hover,
        .social-links a:focus-visible {
            color: var(--accent-color);
            border-color: var(--accent-color);
            transform: translateY(-2px);
        }

        .icon {
            width: 1.1rem;
            height: 1.1rem;
            fill: currentColor;
        }

        /* Compact Licenses */
        .licenses-container {
            display: flex;
            gap: 0.5rem;
        }

        .license-badge {
            width: 42px;
            height: 42px;
            background-color: var(--badge-bg);
            border: 1px solid var(--badge-border);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            text-decoration: none;
            transition: all var(--transition-speed) ease;
            filter: grayscale(100%);
            opacity: 0.8;
        }

        .license-badge:hover,
        .license-badge:focus-visible {
            filter: grayscale(0%);
            opacity: 1;
            border-color: var(--text-muted);
            transform: translateY(-2px);
            color: var(--text-main);
        }

        .license-badge svg {
            width: 20px;
            height: 20px;
            fill: currentColor;
        }

        /* Bottom Copyright Bar */
        .footer-bottom {
            margin-top: 1.5rem;
            padding: 0.85rem 1rem;
            border-top: 1px solid var(--footer-border);
            text-align: center;
            background-color: var(--badge-bg);
        }

        .copyright-text {
            color: var(--text-muted);
            font-size: 0.75rem;
            font-weight: 500;
        }

        /* --- Responsive Design (Mobile & Tablet) --- */
        
        /* Tablet / Small Desktop */
        @media (max-width: 992px) {
            .footer-container {
                justify-content: center;
                gap: 1.5rem 2rem;
            }
            .brand-section {
                max-width: 100%;
                width: 100%;
                justify-content: center;
            }
        }

        /* Mobile Phones */
        @media (max-width: 640px) {
            .footer-container {
                flex-direction: column;
                align-items: center; /* وسط چین کردن محتوای کلی در موبایل */
                gap: 1.5rem;
                padding: 0 1.25rem;
            }

            .brand-section {
                align-self: flex-start; /* راست‌چین نگه‌داشتن فقط بخش برند */
                justify-content: flex-start;
            }
            
            .footer-nav {
                flex-wrap: wrap;
                justify-content: center; /* وسط چین کردن منو */
                gap: 1rem 1.5rem;
                width: 100%;
            }

            .footer-nav a {
                padding: 0.25rem;
            }

            .interactive-section {
                width: 100%;
                justify-content: center; /* وسط چین کردن شبکه‌های اجتماعی و مجوزها */
                flex-wrap: wrap;
                gap: 1.5rem;
            }

            .social-links {
                /* حذف خط جداکننده در موبایل */
                border-right: none;
                padding-right: 0;
            }
            
            .footer-bottom {
                margin-top: 1.25rem;
            }
        }
/* --------------------------------------------------------------------------------------------------------- */
/* 
========================================================================
   MOBILE RESPONSIVE TWEAKS 
======================================================================== */
@media (max-width: 768px) {
    .wallet-actions-section { grid-template-columns: repeat(3, 1fr); }
    .card-balance { font-size: 1.7rem; }
    .courses-wrapper-one { grid-template-columns: 1fr 1fr; gap: 10px; }
    .course-card-one { padding: 0 12px; height: 56px; }
    .course-info-one { font-size: 0.8rem; gap: 8px; }
    .course-icon-wrapper-one { width: 32px; height: 32px; }
    .course-icon-wrapper-one svg { width: 14px; height: 14px; }
    .main-container { grid-template-columns: 1fr; }
    .slider-section { aspect-ratio: 16/9; height: auto; } 
    .sidebar-section { height: auto; }
    .courses-wrapper-one { grid-template-columns: 1fr 1fr; }
    .app-main { padding: var(--space-xs); }
    .course-card { padding: var(--space-sm); gap: var(--space-md); }
    .course-stats { flex-wrap: wrap; justify-content: space-between; width: 100%; gap: 6px; }
    .stat-item { flex: 1; padding: 6px; min-width: 30%; }
    .stat-value { font-size: clamp(12px, 3vw, 14px); }
    .banner-cards { grid-template-columns: 1fr; }
    .banner-card { grid-template-columns: 48px 1fr; }
    .banner-cta { display: none; }

    .banner-avatar { width: 48px; height: 48px; }

    .banner-content h3 {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        gap: 0.5rem;
    }
    .banner-content h3::after {
        content: "›";
        color: var(--text-primary);
        font-size: 1.25rem;
        line-height: 1;
        margin-inline-start: auto;
    }
    .lovely-wrapper { padding: var(--space-sm); margin: 0; }
    .topic-card { height: 110px; }
    .topic-cards { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) { .syllabus-wrapper { height: 248px; } }
@media (max-width: 1023px) {
    .sys-ticker { display: none; }
    .desk-only { display: none !important; }
    .mobile-header-actions { width: auto; margin-left: auto; }
    .mobile-header-center { display: none; } 
}
@media (min-width: 1024px) {
    body { padding-bottom: 0; }
    .sys-bottom-nav, .mobile-only, .sheet-overlay, .mobile-learning-sheet { display: none !important; }
    .desk-nav { display: flex; }
    .mobile-header-actions { width: auto; }
    .mobile-header-center { width: auto; position: absolute; left: 50%; transform: translateX(-50%); }
    .mobile-header-end { width: auto; }
}