/* Premium Global Theme */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;600;700;800&display=swap');
@import url('mobile-spacing-standards.css');

:root {
    /* Color Palette - Black & White Theme */
    --primary: #000000;
    --primary-hover: #333333;
    --secondary: #555555;
    --accent: #111111;
    --bg-dark: #F8FAFC;
    --card-bg: #FFFFFF;
    --card-bg-glass: rgba(255, 255, 255, 0.85);
    --text-main: #000000;
    --text-muted: #555555;
    --input-bg: #FFFFFF;
    --input-border: #CCCCCC;
    --border-subtle: rgba(0, 0, 0, 0.08);
    --border-accent: rgba(0, 0, 0, 0.3);
    
    /* Branding */
    --brand-gradient: linear-gradient(180deg, #000000 0%, #444444 100%);
    --accent-gradient: linear-gradient(145deg, #222222, #000000);
    --accent-gradient-hover: linear-gradient(145deg, #444444, #222222);
    
    /* Effects */
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.08);
    --shadow-inset: inset 0 1px 0 rgba(0,0,0,0.02);
    --shadow-glow: 0 0 15px rgba(0, 0, 0, 0.25);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Reset & Body */
body {
    margin: 0;
    padding: 0;
    padding-right: 0 !important;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6, .brand-font {
    font-family: 'Outfit', sans-serif;
}

/* Typography Enhancements */
.gradient-text {
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-muted {
    color: var(--text-muted) !important;
}

.glass-pane.login-box {
    background: var(--card-bg-glass);
    max-width: 520px;
    padding: 50px;
    border-radius: 32px;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 
        0 30px 60px rgba(0,0,0,.15),
        0 0 40px rgba(0,0,0,.10);
    position: relative;
    z-index: 2;
    margin: 0 auto;
}

.glass-pane.login-box:hover {
    transform: translateY(-5px);
}

.glass-panel {
    background: var(--card-bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
}

.premium-card {
    background: rgba(255, 255, 255, 0.4);
    border: 1px dashed var(--border-accent);
    padding: 1.5rem;
    border-radius: 16px;
    transition: var(--transition-smooth);
}

.premium-card:hover {
    transform: translateY(-2px);
    border-style: solid;
    border-color: rgba(0, 0, 0, 0.1);
    box-shadow: var(--shadow-sm);
    background: rgba(0, 0, 0, 0.02);
}

.note-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px;
    border-radius: 20px;
    background: var(--card-bg-glass);
    border: 1px solid var(--border-subtle);
    margin-bottom: 20px;
}

.cta-box {
    text-align: center;
    padding: 80px;
    border-radius: 30px;
    background: linear-gradient(135deg, rgba(0,0,0,.08), rgba(0,0,0,.04));
    border: 1px solid var(--border-subtle);
}

/* Buttons */
.btn-premium {
    background: var(--primary);
    color: #ffffff;
    border: none;
    border-radius: 14px;
    padding: 10px 24px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-premium:hover {
    background: var(--primary-hover);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-glow);
}

.btn-premium:active {
    transform: scale(0.97);
}

.btn-premium-outline {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-accent);
    font-size: 0.95rem;
    font-weight: 600;
    font-family: 'Outfit', sans-serif;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition-smooth);
    padding: 12px 24px;
    text-decoration: none;
}

.btn-premium-outline:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: var(--shadow-glow);
}

/* Inputs & Forms */
.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 8px;
    letter-spacing: 0.05em;
}

.premium-input {
    width: 100%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    padding: 14px 20px;
    border-radius: 16px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.premium-input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
}

/* Custom Animated Dropdown */
.custom-select-wrapper {
    position: relative;
    user-select: none;
}

.custom-select {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    background-color: var(--input-bg);
    text-transform: uppercase;
}

.custom-select:hover {
    background-color: var(--bg-dark);
    border-color: var(--text-muted);
}

.custom-select svg {
    transition: transform 0.3s ease;
}

.custom-select-wrapper.active .custom-select {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.1);
    background-color: #FFFFFF;
}

.custom-select-wrapper.active .custom-select svg {
    transform: rotate(180deg);
}

.custom-select-options {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: #FFFFFF;
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 100;
    overflow: hidden;
}

.custom-select-wrapper.active .custom-select-options {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.custom-option {
    padding: 12px 16px;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
    font-size: 0.95rem;
    color: var(--text-main);
    text-transform: uppercase;
}

.custom-option:hover {
    background: var(--bg-dark);
}

.custom-option.selected {
    background: #f1f5f9;
    font-weight: 600;
}

/* NTA Badges (Pills) */
.nta-badge, .pill-filter {
    background: var(--accent-gradient);
    color: rgba(255,255,255,0.85);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    border: 1px solid var(--border-accent);
    text-decoration: none;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm), var(--shadow-inset);
    backdrop-filter: blur(10px);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.nta-badge:hover, .pill-filter:hover {
    transform: translateY(-2px);
    background: var(--accent-gradient-hover);
    color: #ffffff;
    border-color: rgba(255,255,255,0.3);
    box-shadow: 0 8px 16px rgba(0,0,0,0.3), var(--shadow-inset);
}

.pill-filter.active {
    background: #ffffff;
    color: #000000;
    border-color: #ffffff;
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

/* Layout Utilities */
.section-title {
    color: var(--text-main);
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
    font-family: 'Outfit', sans-serif;
    position: relative;
    display: inline-block;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

.animate-fade-in {
    animation: fadeInUp 0.8s ease-out forwards;
}

.float-effect {
    animation: float 4s ease-in-out infinite;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .hero-text h1 {
        font-size: 2.25rem !important;
    }
    .hero-section {
        padding: 2rem 0 !important;
        min-height: auto !important;
    }
    .horizontal-section {
        padding: 3rem 0 !important;
    }
    .login-box {
        padding: 2rem 1.5rem !important;
    }
    .nta-card {
        padding: 1.5rem 2rem !important;
        min-width: 100% !important;
    }
    .pop-note-card {
        padding: 1.5rem !important;
    }
}

/* Custom Scrollbar for dark theme */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Fade in Animation */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Specific Layout Classes */
.navbar-custom {
    background-color: transparent;
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
}

.heading-text {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.icon-box {
    background: rgba(255, 255, 255, 0.1);
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
    font-size: 1.2rem;
}

.premium-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.premium-item {
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-main);
    font-weight: 600;
    background: linear-gradient(145deg, rgba(255,255,255,0.05), rgba(0,0,0,0.02));
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
    cursor: pointer;
    text-decoration: none;
}

.premium-item:hover {
    border-color: var(--primary);
    background: #FFFFFF;
    color: var(--primary);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.premium-item .icon-text {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.premium-item .arrow {
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
    font-weight: bold;
}

.premium-item:hover .arrow {
    opacity: 1;
    transform: translateX(0);
}

.premium-cta-box {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.9), rgba(245, 245, 245, 0.8));
    border-radius: 24px;
    padding: 3rem 2rem;
    text-align: center;
    border: 1px solid var(--border-subtle);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.premium-cta-box::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 4px;
    background: var(--brand-gradient);
}

.premium-cta-box .lock-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--bg-dark);
    color: var(--primary);
    margin-bottom: 1.5rem;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
}

.premium-cta-box h3 {
    font-family: 'Outfit', sans-serif;
}

.restricted-text {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 0;
}

.main-container {
    max-width: 700px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Authentication Layout */
.login-wrapper {
    display: flex;
    min-height: 100vh;
    width: 100%;
    align-items: center;
    justify-content: center;
    background: #f0f2f5;
    padding: 2rem;
}

.auth-left.graphic-side {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 6vh 6vw;
    background: #f8f9fa; /* Very light gray for contrast */
    position: relative;
    overflow: hidden;
}

.auth-right.form-side {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: #ffffff;
    padding: 4vh 4vw;
    border-left: 1px solid var(--border-subtle);
}

.graphic-content {
    max-width: 600px;
    z-index: 2;
}

.auth-hero-img {
    transition: transform 0.5s ease;
}

.auth-hero-img:hover {
    transform: translateY(-10px);
}

.branding-header {
    margin-bottom: 2.5rem;
    text-align: center;
}

.branding-header .title {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(2rem, 5vh, 2.8rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.branding-header .motto {
    font-family: 'Outfit', sans-serif;
    font-size: 0.85rem;
    letter-spacing: 0.3em;
    color: var(--text-muted);
    margin-top: 0.5rem;
    text-transform: uppercase;
    font-weight: 600;
}

.login-box {
    width: 100%;
    max-width: 400px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 3rem;
    border-radius: 28px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.4);
    margin-top: 0;
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
}

.login-box label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 0.5rem;
    text-transform: lowercase;
    font-weight: 600;
}

.login-box h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    text-align: center;
    color: var(--text-main);
}

.login-box .subtitle-text {
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 30px;
    font-size: 0.9rem;
}

.options-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    font-size: 0.85rem;
}

.forgot-link {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.forgot-link:hover {
    color: #ffffff;
}

.register-text {
    text-align: center;
    margin-top: 24px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.register-text a {
    color: #ffffff;
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    margin-left: 4px;
}

.auth-personnel {
    text-align: center;
    margin-top: 30px;
    font-size: 0.8rem;
    color: #475569;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Guest Dashboard specific */
.guest-dashboard {
    width: 100%;
    max-width: clamp(320px, 90%, 550px);
    z-index: 1;
}

.guest-dashboard .header {
    margin-bottom: 1.2rem;
    text-align: center;
}

.guest-dashboard .header h3 {
    font-size: clamp(1.4rem, 3vh, 1.8rem);
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 0.2rem;
    font-family: 'Outfit', sans-serif;
}

.guest-dashboard .header p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.nta-levels {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.notes-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 1.5rem;
}

.note-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 10px 14px;
    border-radius: 12px;
}

.note-info {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #ffffff;
    font-size: 0.85rem;
    font-weight: 500;
}

.banner-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
}

@media (max-width: 900px) {
    .login-wrapper {
        flex-direction: column;
    }
    .auth-left, .auth-right {
        width: 100%;
        padding: 4vh 4vw;
    }
    .login-box {
        padding: 2rem;
    }
    .branding-header .title {
        font-size: clamp(1.8rem, 4vh, 2.2rem);
    }
}

@media (max-width: 768px) {
    .glass-panel, .premium-card {
        padding: 1.25rem !important;
        border-radius: 16px !important;
    }
    
    .btn-premium, .btn-premium-outline {
        padding: 10px 18px !important;
        font-size: 0.9rem !important;
    }

    .premium-input {
        padding: 12px 14px !important;
        font-size: 0.9rem !important;
    }

    .main-container {
        padding: 1.5rem 1rem !important;
    }
    
    .nta-levels {
        gap: 6px;
    }
    
    .nta-badge, .pill-filter {
        padding: 5px 12px;
        font-size: 0.7rem;
    }
    
    .guest-dashboard .header h3 {
        font-size: 1.5rem !important;
    }
}

@media (max-width: 480px) {
    .login-box {
        padding: 1.5rem;
    }
    
    .options-row {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .btn-premium {
        width: 100%;
        text-align: center;
        justify-content: center;
    }
}

/* Premium Benefit Cards for Auth Pages */
.benefit-card {
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 24px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
    cursor: default;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: var(--primary);
}

.benefit-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
    transition: all 0.4s ease;
}

.benefit-card:hover .benefit-icon {
    background: var(--primary);
    color: #ffffff;
}

.benefit-content h5 {
    font-weight: 700;
    margin-bottom: 6px;
    font-family: 'Outfit', sans-serif;
    letter-spacing: 0.5px;
    font-size: 1.15rem;
}

.benefit-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
}

.login-logo{
    width:70px;
    height:70px;
    margin:auto;
    margin-bottom:20px;

    display:flex;
    align-items:center;
    justify-content:center;

    border-radius:50%;
    background:linear-gradient(
        135deg,
        #3b82f6,
        #6366f1
    );

    font-size:2rem;
}

/* Apple-like Interactive NTA Cards */
.nta-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.nta-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0) 100%);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.nta-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.2);
}

.nta-card:hover::before {
    opacity: 1;
}

/* Level Links for Hero Section */
.level-link {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    padding: 0.5rem 0;
    letter-spacing: 0.5px;
    cursor: pointer;
}

.level-link:hover {
    color: #ffffff;
    transform: scale(1.1) translateY(-2px);
    text-shadow: 0 4px 15px rgba(255, 255, 255, 0.4), 0 0 30px rgba(59, 130, 246, 0.6);
}

.level-link:active {
    transform: scale(0.95);
}

/* Custom Level Dropdown */
.level-dropdown-wrapper {
    position: relative;
    display: inline-block;
}

.level-dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    background: #ffffff;
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: 14px;
    padding: 0.5rem;
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(59, 130, 246, 0.1);
    z-index: 1000;
}

.level-dropdown-wrapper:hover .level-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0px);
}

.level-dropdown-menu a {
    display: block;
    color: #334155;
    text-decoration: none;
    padding: 0.65rem 1.2rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.2s ease;
    text-align: center;
    font-family: 'Outfit', sans-serif;
    letter-spacing: 0.3px;
}

.level-dropdown-menu a:hover {
    background: linear-gradient(135deg, #3b82f6, #6366f1);
    color: #ffffff;
    transform: scale(1.02);
}

/* Semester Pills styling (Light Theme & Premium Hover) */
.premium-pill-inactive {
    background-color: transparent !important;
    color: #475569 !important;
}
.premium-pill-inactive:hover {
    background-color: rgba(16, 185, 129, 0.1) !important;
    color: #10b981 !important;
}
.premium-pill-active {
    background-color: rgba(16, 185, 129, 0.15) !important;
    color: #10b981 !important;
    border: 1px solid rgba(16, 185, 129, 0.3) !important;
}

/* ===== SIDEBAR NAVIGATION (Consolidated) ===== */
.sidebar-hover-item { position: relative; margin-bottom: 4px; }
.sidebar-hover-btn {
    background: rgba(255, 255, 255, 0.02);
    color: rgba(255,255,255,0.85);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    padding: 12px 16px;
    width: 100%;
    text-align: left;
    font-family: 'Outfit', sans-serif;
    font-weight: 500;
    font-size: 0.88rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.sidebar-hover-btn::before {
    content: '';
    position: absolute;
    top: 0; left: 0; bottom: 0; width: 4px;
    background: linear-gradient(180deg, #e67e22, #10b981);
    transform: scaleY(0);
    transition: transform 0.3s ease;
    border-radius: 4px 0 0 4px;
}

.sidebar-hover-btn:hover {
    background: linear-gradient(90deg, rgba(230, 126, 34, 0.1), rgba(255, 255, 255, 0.04));
    color: #fff;
    border-color: rgba(230, 126, 34, 0.2);
    transform: translateX(4px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.sidebar-hover-btn:hover::before {
    transform: scaleY(1);
}

/* Flyout Dropdown Panel -> Accordion Panel */
.sidebar-hover-content {
    display: none;
    position: relative;
    width: 100%;
    margin-top: 5px;
    background: rgba(15, 23, 42, 0.5);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 8px;
    z-index: 10;
    opacity: 0;
}

@keyframes flyoutRight {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Flyout Links */
.sidebar-hover-content a {
    display: flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 500;
    padding: 9px 12px;
    border-radius: 8px;
    transition: all 0.2s ease;
    margin-bottom: 2px;
    position: relative;
    font-family: 'Outfit', sans-serif;
    letter-spacing: 0.3px;
}
.sidebar-hover-content a::before {
    content: '';
    position: absolute;
    left: 2px;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    transition: all 0.25s ease;
}
.sidebar-hover-content a:hover {
    color: #fff;
    background: rgba(59, 130, 246, 0.15);
    transform: translateX(4px);
}
.sidebar-hover-content a:hover::before {
    width: 6px;
    height: 6px;
    background: #3b82f6;
}
/* Active link inside flyout */
.sidebar-hover-content a[style*="color: #fff"] {
    background: rgba(59, 130, 246, 0.18);
    font-weight: 600;
    color: #fff !important;
}
.sidebar-hover-content a[style*="color: #fff"]::before {
    background: #3b82f6;
    width: 8px;
    height: 8px;
}

/* Chevron icon */
.sidebar-hover-btn i.chevron {
    transition: transform 0.3s ease;
    font-size: 0.65rem;
    color: rgba(255,255,255,0.4);
}
.sidebar-hover-item:hover .sidebar-hover-btn i.chevron {
    transform: translateX(2px);
    color: rgba(255,255,255,0.7);
}

/* Collapse Chevron Animation */
[data-bs-toggle="collapse"] .bi-chevron-down {
    transition: transform 0.3s ease;
}
[data-bs-toggle="collapse"].collapsed .bi-chevron-down {
    transform: rotate(-90deg);
}


/* Core Page Layout Engine */
.page-layout {
    display: flex;
    min-height: 100vh;
    background-color: var(--bg-dark);
}

.hero-sidebar {
    width: 270px;
    height: auto !important; /* Allow it to stretch */
    min-height: 100vh;
    position: sticky;
    top: 0;
    overflow-y: auto;
    background: linear-gradient(180deg, #1c1f30 0%, #26293d 100%);
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
    z-index: 1000;
    box-shadow: inset -1px 0 0 rgba(255,255,255,0.05);
}

.hero-sidebar::-webkit-scrollbar { width: 6px; }
.hero-sidebar::-webkit-scrollbar-track { background: transparent; }
.hero-sidebar::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.1); border-radius: 10px; }
.hero-sidebar:hover::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.25); }

.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow-x: hidden;
    background-color: #f8fafc;
    position: relative;
    
}

@media (max-width: 991.98px) {
    .page-layout {
        flex-direction: column;
    }
    .hero-sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }
}



/* Global Mobile Responsive Layout adjustments (strictly for screens < 992px) */
@media (max-width: 991.98px) {
    /* Stack the sidebar and main content vertically */
    .page-layout {
        flex-direction: column !important;
    }
    
    /* Make the sidebar full width and let it fit its content on mobile */
    .hero-sidebar {
        width: 100% !important;
        height: auto !important;
        min-height: auto !important;
        padding: 20px 15px !important;
        border-right: none !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        box-shadow: 0 4px 15px rgba(0,0,0,0.3) !important;
        position: relative !important;
        z-index: 1000 !important;
    }

    /* Navbar container spacing on mobile */
    .navbar-custom .container {
        flex-wrap: wrap !important;
        justify-content: space-between !important;
    }
    
    /* Keep logo on the left and let actions float right */
    .navbar-brand {
        margin-right: auto !important;
        width: auto !important;
        justify-content: flex-start !important;
    }
    
    /* Push search and actions to next row cleanly if flex-wrap occurs */
    .search-container {
        order: 3;
        width: 100% !important;
        max-width: 100% !important;
        margin: 10px 0 !important;
    }
}

/* Premium UI Functional Classes */
/* 1. Sidebar Collapsed State */
.hero-sidebar {
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease !important;
}
.hero-sidebar.collapsed {
    width: 90px !important;
    padding: 40px 10px !important;
}
.hero-sidebar.collapsed .sidebar-text,
.hero-sidebar.collapsed .sidebar-hover-item .d-flex.flex-column span:nth-child(2),
.hero-sidebar.collapsed .sidebar-hover-content,
.hero-sidebar.collapsed .sidebar-hover-item .chevron {
    display: none !important;
    opacity: 0;
}
.hero-sidebar.collapsed .sidebar-hover-btn {
    padding: 12px !important;
    justify-content: center !important;
}
.hero-sidebar.collapsed .sidebar-hover-btn span {
    font-size: 0; /* Hide text */
}
.hero-sidebar.collapsed .sidebar-hover-btn span i {
    margin-right: 0 !important;
    font-size: 1.4rem !important;
}
.hero-sidebar.collapsed .premium-sidebar-badge span,
.hero-sidebar.collapsed .premium-sidebar-badge .bi-chevron-down {
    display: none !important;
}
.hero-sidebar.collapsed .premium-sidebar-badge {
    padding: 12px !important;
    justify-content: center !important;
    margin: 20px 10px !important;
}

/* 2. Smart Navbar Scroll */
.navbar-custom {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.3s ease !important;
}
.navbar-hidden {
    transform: translateY(-100%) !important;
}
.navbar-visible {
    transform: translateY(0) !important;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08) !important;
}

/* 3. Ctrl+K Hint Badge */
.shortcut-hint {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.05);
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    pointer-events: none;
    transition: opacity 0.2s ease;
}
.search-container input:focus ~ .shortcut-hint {
    opacity: 0;
}

/* --- PREMIUM UI V2 ENHANCEMENTS --- */

/* 1. Sidebar Premium Badge (Institution Name) */
.premium-sidebar-badge {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 12px 16px;
    margin: 20px 16px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 12px;
}
.premium-sidebar-badge:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-2px);
}
.premium-sidebar-badge .icon-container {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, #3b82f6, #6366f1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: white;
    box-shadow: 0 4px 10px rgba(59, 130, 246, 0.3);
}

/* 2. Sidebar Active Item Indicator */
.sidebar-hover-item.active .sidebar-hover-btn {
    background: linear-gradient(90deg, rgba(230, 126, 34, 0.15), rgba(255, 255, 255, 0.05)) !important;
    border-color: rgba(230, 126, 34, 0.3) !important;
    color: #ffffff !important;
    font-weight: 700 !important;
    box-shadow: 0 4px 20px rgba(230, 126, 34, 0.12), inset 0 0 0 1px rgba(230, 126, 34, 0.2);
}

.sidebar-hover-item.active .sidebar-hover-btn::before {
    transform: scaleY(1);
    background: #e67e22;
}

.sidebar-hover-item.active .sidebar-hover-btn i:not(.chevron) {
    color: #10b981 !important;
    filter: drop-shadow(0 0 6px rgba(16, 185, 129, 0.5));
}

/* 3. Sleek Gradient Headers */
.premium-gradient-header {
    font-family: 'Outfit', sans-serif;
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(90deg, #059669 0%, #047857 50%, #059669 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    position: relative;
    padding-bottom: 8px;
    margin-bottom: 0;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.premium-gradient-header:hover {
    background-position: right center;
    transform: scale(1.02);
}
.premium-gradient-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 4px;
    border-radius: 4px;
    background: linear-gradient(90deg, #059669, #047857);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.premium-gradient-header:hover::after {
    width: 60px;
    background: linear-gradient(90deg, #047857, #059669);
}
.premium-gradient-header.warning {
    background: linear-gradient(90deg, #059669 0%, #047857 50%, #059669 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    cursor: default;
}
.premium-gradient-header.warning:hover {
    background-position: right center;
    transform: scale(1.02);
}
.premium-gradient-header.warning::after {
    background: linear-gradient(90deg, #059669, #047857);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.premium-gradient-header.warning:hover::after {
    width: 60px;
    background: linear-gradient(90deg, #047857, #059669);
}

@media (max-width: 767.98px) {
    .premium-gradient-header {
        font-size: 1.15rem;
    }
}

/* 4. Unlock Premium Card V2 (Animated Gradient Border & 3D Float) */
.premium-unlock-card-v2 {
    position: relative;
    background: #ffffff;
    border-radius: 20px;
    padding: 24px;
    z-index: 1;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0,0,0,0.02);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    transform-style: preserve-3d;
}
.premium-unlock-card-v2::before {
    content: '';
    position: absolute;
    top: -2px; left: -2px; right: -2px; bottom: -2px;
    background: linear-gradient(45deg, #10b981, #34d399, #10b981, #3b82f6, #8b5cf6, #ec4899);
    background-size: 300% 300%;
    z-index: -2;
    animation: gradientShift 6s ease infinite;
    border-radius: 22px;
}
.premium-unlock-card-v2::after {
    content: '';
    position: absolute;
    top: 2px; left: 2px; right: 2px; bottom: 2px;
    background: #ffffff;
    z-index: -1;
    border-radius: 18px;
}
.premium-unlock-card-v2:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1), 0 0 20px rgba(16, 185, 129, 0.15);
}
@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Button Shimmer Effect for Premium Card */
.btn-shimmer {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}
.btn-shimmer::after {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 50%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transform: skewX(-25deg);
    animation: shimmerSlide 3s infinite;
}
.btn-shimmer:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.5);
    color: white;
}
@keyframes shimmerSlide {
    0% { left: -100%; }
    20% { left: 200%; }
    100% { left: 200%; }
}

/* Fix for Search Bar Overlap */
.search-container input {
    padding-right: 70px !important;
}

/* --- DARK MODE SETTINGS --- */
:root {
    --bg-light: #f8fafc;
    --text-main: #1e293b;
    --card-bg: #ffffff;
    --border-color: rgba(0,0,0,0.1);
    --muted-text: #64748b;
}

body.dark-mode {
    --bg-light: #0f172a;
    --text-main: #f8fafc;
    --card-bg: #1e293b;
    --border-color: rgba(255,255,255,0.1);
    --muted-text: #94a3b8;
    background-color: var(--bg-light) !important;
    color: var(--text-main) !important;
}

body.dark-mode .bg-light { background-color: var(--bg-light) !important; }
body.dark-mode .card,
body.dark-mode .premium-unlock-card-v2::after,
body.dark-mode .bg-white,
body.dark-mode .dropdown-menu {
    background-color: var(--card-bg) !important;
    color: var(--text-main) !important;
    border-color: var(--border-color) !important;
}

body.dark-mode .text-dark { color: var(--text-main) !important; }
body.dark-mode .text-muted, body.dark-mode .text-secondary { color: var(--muted-text) !important; }

body.dark-mode .border-bottom, body.dark-mode .border-top { border-color: var(--border-color) !important; }

body.dark-mode .form-control {
    background-color: #1e293b !important;
    color: #f8fafc !important;
    border-color: rgba(255,255,255,0.1) !important;
}
body.dark-mode .form-control::placeholder { color: #94a3b8 !important; }
body.dark-mode .navbar-custom { background: rgba(15, 23, 42, 0.85) !important; }
body.dark-mode .dark-mode-toggle-btn {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.95), rgba(15, 23, 42, 0.85)) !important;
    border-color: rgba(255,255,255,0.2) !important;
}
body.dark-mode .darkModeIcon { color: #fcd34d !important; }


/* --- SKELETON LOADING --- */
.skeleton {
    background: #e2e8f0;
    background: linear-gradient(90deg, #e2e8f0 25%, #f1f5f9 50%, #e2e8f0 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s infinite linear;
    border-radius: 4px;
}
body.dark-mode .skeleton {
    background: #1e293b;
    background: linear-gradient(90deg, #1e293b 25%, #334155 50%, #1e293b 75%);
    background-size: 200% 100%;
}
@keyframes skeleton-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}
.skeleton-text { height: 12px; margin-bottom: 8px; width: 100%; }
.skeleton-text.short { width: 60%; }
.skeleton-avatar { width: 40px; height: 40px; border-radius: 50%; }
.skeleton-btn { height: 28px; width: 80px; border-radius: 50px; }


/* =============================================
   PREMIUM SIDEBAR � NAVIGATION STYLES
   ============================================= */
.hero-sidebar {
    background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%) !important;
    border-right: 1px solid rgba(255,255,255,0.07) !important;
    box-shadow: 4px 0 30px rgba(0,0,0,0.3) !important;
    width: 270px !important;
    min-width: 270px !important;
    height: 100vh !important;
    position: sticky !important;
    top: 0 !important;
    overflow-y: auto !important; overflow-x: hidden !important;
    padding: 0 !important;
    transform: none !important;
    border-radius: 0 !important;
    left: 0 !important;
    z-index: 1000;
    flex-shrink: 0;
}
.hero-sidebar::-webkit-scrollbar { width: 4px; }
.hero-sidebar::-webkit-scrollbar-track { background: transparent; }
.hero-sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 2px; }

.sidebar-header {
    padding: 20px 16px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    position: sticky;
    top: 0;
    background: linear-gradient(180deg, #0f172a 0%, rgba(15,23,42,0.95) 100%);
    backdrop-filter: blur(10px);
    z-index: 10;
}

.sidebar-section-label {
    font-size: 0.6rem;
    color: rgba(255,255,255,0.35);
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-family: 'Outfit', sans-serif;
    padding: 16px 16px 6px;
}

.program-item {
    position: relative;
    margin: 2px 8px;
}

.program-btn {
    width: 100%;
    background: transparent;
    border: none;
    border-radius: 10px;
    padding: 10px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    transition: all 0.25s ease;
    text-align: left;
    color: rgba(255,255,255,0.75);
    font-family: 'Outfit', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}
.program-btn:hover {
    background: rgba(255,255,255,0.07);
    color: #fff;
}
.program-btn.active-program {
    background: rgba(59, 130, 246, 0.15);
    color: #93c5fd;
    border-left: 3px solid #3b82f6;
}
.program-btn .prog-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1rem;
    transition: all 0.3s ease;
}
.program-btn .prog-name {
    flex-grow: 1;
    line-height: 1.3;
}
.program-btn .prog-chevron {
    font-size: 0.7rem;
    color: rgba(255,255,255,0.3);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}
.program-btn.open .prog-chevron {
    transform: rotate(180deg);
    color: rgba(255,255,255,0.6);
}

/* Inline Premium Sidebar Dropdowns */
.program-levels {
    display: none;
    margin: 2px 8px 4px 16px;
    border-left: 2px solid rgba(255,255,255,0.08);
    padding-left: 12px;
    overflow: hidden;
}
.program-levels.open {
    display: block;
    animation: sidebarSlideDown 0.25s ease forwards;
}
@keyframes sidebarSlideDown {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

.program-btn.open .prog-chevron {
    transform: rotate(180deg) !important;
    color: #fff;
}

/* Inner section dropdowns (Notes, Assessments, Past Papers) */
.section-dropdown-btn {
    width: 100%;
    background: transparent;
    border: none;
    border-radius: 10px;
    padding: 11px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    text-align: left;
    font-family: 'Outfit', sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: background 0.2s ease;
}
.section-dropdown-btn:hover { background: rgba(0,0,0,0.03); }
.section-dropdown-btn .sect-chevron {
    margin-left: auto;
    font-size: 0.7rem;
    color: rgba(0,0,0,0.3);
    transition: transform 0.3s ease;
}
.section-dropdown-btn.open .sect-chevron { transform: rotate(180deg); }
.section-dropdown-body {
    display: none;
    padding: 8px 0 4px;
}
.section-dropdown-body.open {
    display: block;
    animation: sectionFadeIn 0.25s ease forwards;
}
@keyframes sectionFadeIn {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}




*/
   
.program-btn {
    background: rgba(255,255,255,0.03) !important;
    border: 1px solid rgba(255,255,255,0.05) !important;
    border-radius: 14px !important;
    padding: 12px 16px !important;
    margin-bottom: 8px !important;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1) !important;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1) !important;
}
.program-btn:hover {
    background: rgba(255,255,255,0.08) !important;
    border: 1px solid rgba(255,255,255,0.15) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 25px rgba(0,0,0,0.2) !important;
}
.program-btn.active-program {
    background: linear-gradient(135deg, rgba(59,130,246,0.15), rgba(139,92,246,0.15)) !important;
    border: 1px solid rgba(139,92,246,0.3) !important;
    border-left: 4px solid #8b5cf6 !important;
}
.program-btn .prog-icon {
    box-shadow: 0 4px 10px rgba(0,0,0,0.2) !important;
}

/* Premium Flyout Menu */
@media (min-width: 992px) {
    .program-levels {
        background: rgba(15, 23, 42, 0.85) !important;
        backdrop-filter: blur(24px) !important;
        -webkit-backdrop-filter: blur(24px) !important;
        border: 1px solid rgba(255,255,255,0.1) !important;
        border-radius: 16px !important;
        padding: 16px !important;
        box-shadow: 0 20px 50px rgba(0,0,0,0.5), inset 0 1px 1px rgba(255,255,255,0.2) !important;
    }
    
    /* Small pointer triangle pointing to sidebar */
    .program-levels::before {
        content: '';
        position: absolute;
        top: 20px;
        left: -6px;
        width: 12px;
        height: 12px;
        background: rgba(15, 23, 42, 0.95);
        border-left: 1px solid rgba(255,255,255,0.1);
        border-bottom: 1px solid rgba(255,255,255,0.1);
        transform: rotate(45deg);
    }
}

/* NTA Levels */
.level-group {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.04);
    border-radius: 12px;
    padding: 10px;
    margin-bottom: 10px !important;
    transition: all 0.3s ease;
}
.level-group:hover {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
}
.level-group-label {
    display: inline-block;
    background: linear-gradient(135deg, #fcd34d 0%, #10b981 100%);
    color: #fff !important;
    padding: 4px 10px !important;
    border-radius: 6px;
    font-size: 0.65rem !important;
    font-weight: 800 !important;
    letter-spacing: 1px !important;
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
    margin-bottom: 8px !important;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

/* Semester Selections */
.sem-link {
    background: rgba(0,0,0,0.2) !important;
    border: 1px solid rgba(255,255,255,0.03) !important;
    border-radius: 8px !important;
    padding: 8px 12px !important;
    margin-bottom: 4px !important;
    font-size: 0.8rem !important;
    transition: all 0.3s ease !important;
    position: relative;
    overflow: hidden;
}
.sem-link::after {
    content: '\F282'; /* bi-chevron-right */
    font-family: bootstrap-icons;
    position: absolute;
    right: 12px;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
    color: #fcd34d;
    font-size: 0.7rem;
}
.sem-link:hover {
    background: linear-gradient(90deg, rgba(59,130,246,0.15), rgba(139,92,246,0.1)) !important;
    border: 1px solid rgba(139,92,246,0.3) !important;
    color: #fff !important;
    transform: translateX(4px) !important;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2) !important;
}
.sem-link:hover::after {
    opacity: 1;
    transform: translateX(0);
}
.sem-link.active-link {
    background: linear-gradient(90deg, #3b82f6, #8b5cf6) !important;
    color: #fff !important;
    border: none !important;
    box-shadow: 0 4px 15px rgba(59,130,246,0.4) !important;
}
.sem-link .sem-dot {
    display: none !important; /* Remove the old dot */
}
.sem-link::before {
    content: '\F4B4'; /* bi-journal-bookmark */
    font-family: bootstrap-icons;
    margin-right: 8px;
    font-size: 0.9rem;
    color: #94a3b8;
    transition: color 0.3s ease;
}
.sem-link:hover::before {
    color: #fcd34d;
}
.sem-link.active-link::before {
    color: #fff;
}


/* ==========================================================
   ULTRA PREMIUM SIDEBAR SELECTION (NTA Level, Course, Sem)
   ========================================================== */
   
.program-btn {
    background: transparent !important;
    border: none !important;
    border-radius: 10px !important;
    padding: 10px 14px !important;
    margin-bottom: 4px !important;
    box-shadow: none !important;
    transition: all 0.3s ease !important;
    border-left: 3px solid transparent !important;
}
.program-btn:hover {
    background: rgba(255,255,255,0.04) !important;
    transform: none !important;
}
.program-btn.active-program {
    background: rgba(59,130,246,0.08) !important;
    border-left: 3px solid #3b82f6 !important;
}
.program-btn .prog-icon {
    box-shadow: none !important;
    background: rgba(255,255,255,0.05) !important;
}
.program-btn.active-program .prog-icon {
    background: rgba(59,130,246,0.2) !important;
    color: #60a5fa !important;
}

/* NTA Levels - Clean Timeline Style */
.level-group {
    background: transparent !important;
    border: none !important;
    padding: 0 0 8px 16px !important;
    margin-bottom: 0 !important;
    border-left: 1px solid rgba(255,255,255,0.08) !important;
    margin-left: 30px !important;
    position: relative;
    transition: none !important;
}
.level-group:hover {
    background: transparent !important;
    border-left: 1px solid rgba(255,255,255,0.15) !important;
}
.level-group-label {
    display: inline-block !important;
    background: transparent !important;
    color: #64748b !important;
    padding: 12px 0 6px 0 !important;
    font-size: 0.65rem !important;
    font-weight: 700 !important;
    letter-spacing: 1px !important;
    box-shadow: none !important;
    text-shadow: none !important;
    text-transform: uppercase;
}

/* Semester Selections - Clean Rows */
.sem-link {
    background: transparent !important;
    border: none !important;
    border-radius: 0 !important;
    padding: 6px 10px 6px 0 !important;
    margin-bottom: 2px !important;
    font-size: 0.75rem !important;
    color: #94a3b8 !important;
    transition: all 0.2s ease !important;
    position: relative;
    text-decoration: none !important;
    display: flex !important;
    align-items: center !important;
    box-shadow: none !important;
}
.sem-link::after, .sem-link::before {
    display: none !important; /* Remove those ugly pseudo-elements */
}
.sem-link:hover {
    background: transparent !important;
    color: #fff !important;
    transform: translateX(4px) !important;
    box-shadow: none !important;
}
.sem-link.active-link {
    background: transparent !important;
    color: #60a5fa !important;
    font-weight: 600 !important;
    box-shadow: none !important;
}
.sem-link .sem-dot {
    display: block !important;
    width: 10px !important;
    height: 1px !important;
    background: rgba(255,255,255,0.15) !important;
    margin-right: 12px !important;
    transition: all 0.2s !important;
    border-radius: 0 !important;
    box-shadow: none !important;
}
.sem-link:hover .sem-dot {
    background: rgba(255,255,255,0.4) !important;
    width: 16px !important;
}
.sem-link.active-link .sem-dot {
    background: #3b82f6 !important;
    width: 16px !important;
    height: 2px !important;
}

/* --- PREMIUM NOTE CARDS (Redesign) --- */
.premium-note-card {
    background: var(--card-bg);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}
.premium-note-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(145deg, #ffffff, rgba(248, 250, 252, 0.8));
}
.premium-note-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background: transparent;
    transition: all 0.3s ease;
}
.premium-note-card:hover::before {
    background: var(--primary);
}
.premium-note-card .note-icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: rgba(37,99,235,0.1);
    color: #3b82f6;
    margin-right: 1.5rem;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}
.premium-note-card:hover .note-icon-box {
    transform: scale(1.1) rotate(5deg);
}
.premium-note-card .note-details {
    flex-grow: 1;
}
.premium-note-card .note-title {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text-main);
    margin-bottom: 0.35rem;
}
.premium-note-card .note-meta {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: center;
}
.premium-note-card .badge-custom {
    padding: 0.25rem 0.6rem;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    border: 1px solid transparent;
}
.premium-note-card .badge-category { background: rgba(100,116,139,0.1); color: #64748b; border-color: rgba(100,116,139,0.2); }
.premium-note-card .badge-level { background: rgba(37,99,235,0.08); color: #3b82f6; border-color: rgba(37,99,235,0.15); }
.premium-note-card .badge-semester { background: rgba(168,85,247,0.1); color: #a855f7; border-color: rgba(168,85,247,0.2); }
.premium-note-card .note-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}
.btn-action-outline {
    background: rgba(59, 130, 246, 0.05);
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 50px;
    padding: 0.4rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}
.btn-action-outline:hover {
    background: #3b82f6;
    color: #fff;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}
.btn-action-solid {
    background: linear-gradient(135deg, #059669, #10b981);
    color: #fff;
    border: none;
    border-radius: 50px;
    padding: 0.4rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
    text-decoration: none;
}
.btn-action-solid:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(16, 185, 129, 0.4);
    color: #fff;
}

@media (max-width: 768px) {
    .premium-note-card {
        flex-direction: column;
        align-items: flex-start;
        padding: 1rem;
        gap: 0.5rem;
    }
    .premium-note-card .note-actions {
        width: 100%;
        justify-content: flex-end;
        border-top: 1px solid var(--border-subtle);
        padding-top: 0.75rem;
        margin-top: 0.25rem;
    }
    .premium-note-card .note-icon-box {
        margin-right: 0.75rem;
        width: 36px;
        height: 36px;
        font-size: 1.1rem;
    }
    .note-header-mobile {
        display: flex;
        align-items: center;
        width: 100%;
    }
    .btn-action-outline, .btn-action-solid {
        padding: 0.4rem 0.8rem;
        height: auto;
        justify-content: center;
        width: auto;
    }
    .btn-action-outline span, .btn-action-solid span {
        display: inline;
    }
}