/* StudySmart Unified Styling - Based on Student Dashboard Design */
:root {
    --logo-orange: #FF8C00;
    --logo-black: #1a1a1a;
    --logo-white: #ffffff;
    --logo-orange-dark: #e67e00;
    --logo-orange-light: #ffa726;
    --primary-color: #ff8c00;
    /* CSS Variables */
    :root {
        --primary: #1a237e;
        --primary-light: #534bae;
        --primary-dark: #000051;
        --secondary: #ff6f00;
        --secondary-light: #ffa040;
        --secondary-dark: #c43e00;
        --light: #f8f9fa;
        --dark: #212529;
        --gray: #6c757d;
        --light-gray: #e9ecef;
        --success: #28a745;
        --danger: #dc3545;
        --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
        --transition: all 0.3s ease;
    }

    /* Reset & Base Styles */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: 'Inter', sans-serif;
        line-height: 1.6;
        color: var(--dark);
        overflow-x: hidden;
    }
h1, h2, h3, h4, h5 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary);
}

h1 {
    font-size: 3.5rem;
    line-height: 1.2;
}

.section-title {
    backdrop-filter: blur(20px);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 2rem;
}

.subtitle {
    border-right: 2px solid var(--logo-orange);
    font-size: 1.8rem;
}

.modal {
    z-index: 1000;
    margin-bottom: 1rem;
}

.nav-link {
    transform: translateX(0);
    text-decoration: none;
    color: inherit;
}

    .container {
        width: 100%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }

    section {
        padding: 80px 0;
    }

    .btn {
        display: inline-block;
        padding: 14px 32px;
        background-color: var(--secondary);
        color: white;
        border: none;
        border-radius: 4px;
        font-weight: 600;
        font-size: 1rem;
        cursor: pointer;
        transition: var(--transition);
        text-align: center;
        box-shadow: var(--shadow);
    }

    .btn:hover {
        background-color: var(--secondary-dark);
        transform: translateY(-3px);
        box-shadow: var(--shadow-lg);
    }

    .btn-primary {
        background-color: var(--primary);
    }

    .btn-primary:hover {
        background-color: var(--primary-dark);
    }

    .btn-outline {
        background-color: transparent;
        border: 2px solid var(--primary);
        color: var(--primary);
    }

    .btn-outline:hover {
        background-color: var(--primary);
        color: white;
    }

    /* Preloader Styles */
    .preloader {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: var(--primary);
        display: flex;
        justify-content: center;
        align-items: center;
        z-index: 9999;
        transition: opacity 0.5s ease, visibility 0.5s ease;
    }

    .preloader.hidden {
        opacity: 0;
        visibility: hidden;
    }

    .loader {
        width: 100px;
        height: 100px;
        position: relative;
    }

    .loader:before, .loader:after {
        content: '';
        border-radius: 50%;
        position: absolute;
        inset: 0;
        box-shadow: 0 0 10px 2px rgba(255, 255, 255, 0.3) inset;
    }

    .loader:after {
        box-shadow: 0 4px 0 0 var(--secondary) inset;
        animation: rotate 1s linear infinite;
    }

    @keyframes rotate {
        0% { transform: rotate(0); }
        100% { transform: rotate(360deg); }
    }

    /* Back to Top Button */
    .back-to-top {
        position: fixed;
        bottom: 30px;
        right: 30px;
        width: 50px;
        height: 50px;
        background-color: var(--primary);
        color: white;
        border-radius: 50%;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 1.2rem;
        cursor: pointer;
        z-index: 99;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        box-shadow: var(--shadow);
    }

    .back-to-top.visible {
        opacity: 1;
        visibility: visible;
    }

    .back-to-top:hover {
        background-color: var(--secondary);
        transform: translateY(-5px);
    }

    /* Header & Navigation */
    header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 1000;
        background-color: rgba(255, 255, 255, 0.95);
        box-shadow: var(--shadow);
        transition: var(--transition);
    }

    header.scrolled {
        padding: 5px 0;
    }

    nav {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px 0;
        transition: var(--transition);
    }

    .logo {
        font-family: 'Playfair Display', serif;
        font-size: 1.8rem;
        font-weight: 700;
        color: var(--primary);
    }

    .logo span {
        color: var(--secondary);
    }

    .nav-links {
        display: flex;
        list-style: none;
    }

    .nav-links li {
        margin-left: 30px;
    }

    .nav-links a {
        font-weight: 500;
        position: relative;
        padding: 5px 0;
    }

    .nav-links a:after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 0;
        height: 2px;
        background-color: var(--secondary);
        transition: var(--transition);
    }

    .nav-links a:hover:after {
        width: 100%;
    }

    .mobile-menu-btn {
        display: none;
        font-size: 1.5rem;
        cursor: pointer;
        color: var(--primary);
    }

    /* Hero Section */
    .hero {
        padding-top: 150px;
        padding-bottom: 100px;
        background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
        position: relative;
        overflow: hidden;
    }

    .hero:before {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 40%;
        height: 100%;
        background-color: var(--primary);
        opacity: 0.05;
        transform: skewX(-15deg);
    }

    .hero-content {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .hero-text {
        flex: 1;
        padding-right: 40px;
        animation: fadeInLeft 1s ease;
    }

    .hero-text p {
        font-size: 1.2rem;
        margin-bottom: 30px;
        color: var(--gray);
    }

    .hero-image {
        flex: 1;
        text-align: center;
        animation: fadeInRight 1s ease;
    }

    .hero-image img {
        max-width: 100%;
        border-radius: 10px;
        box-shadow: var(--shadow-lg);
    }

    /* Features Section */
    .features {
        background-color: var(--light);
    }

    .features-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 30px;
        margin-top: 40px;
    }

    .feature-card {
        background-color: white;
        border-radius: 10px;
        padding: 40px 30px;
        text-align: center;
        box-shadow: var(--shadow);
        transition: var(--transition);
    }

    .feature-card:hover {
        transform: translateY(-10px);
        box-shadow: var(--shadow-lg);
    }

    .feature-icon {
        width: 80px;
        height: 80px;
        background-color: rgba(26, 35, 126, 0.1);
        border-radius: 50%;
        display: flex;
        justify-content: center;
        align-items: center;
        margin: 0 auto 20px;
        font-size: 2rem;
        color: var(--primary);
    }

    /* Subscription Plans */
    .plans {
        background-color: white;
    }

    .plans-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 30px;
        margin-top: 40px;
    }

    .plan-card {
        background-color: white;
        border-radius: 10px;
        padding: 40px 30px;
        text-align: center;
        box-shadow: var(--shadow);
        border: 2px solid transparent;
        transition: var(--transition);
        position: relative;
        overflow: hidden;
    }

    .plan-card.popular {
        border-color: var(--secondary);
        transform: scale(1.05);
    }

    .plan-card.popular:before {
        content: 'MOST POPULAR';
        position: absolute;
        top: 20px;
        right: -30px;
        background-color: var(--secondary);
        color: white;
        padding: 5px 30px;
        transform: rotate(45deg);
        font-size: 0.8rem;
        font-weight: 600;
    }

    .plan-card:hover {
        transform: translateY(-10px);
        box-shadow: var(--shadow-lg);
    }

    .plan-price {
        font-size: 3rem;
        font-weight: 700;
        color: var(--primary);
        margin: 20px 0;
    }

    .plan-price span {
        font-size: 1rem;
        color: var(--gray);
    }

    .plan-features {
        list-style: none;
        margin: 30px 0;
        text-align: left;
    }

    .plan-features li {
        padding: 10px 0;
        border-bottom: 1px solid var(--light-gray);
    }

    .plan-features li i {
        color: var(--success);
        margin-right: 10px;
    }

    /* Academic Years Section */
    .academic-years {
        background-color: var(--light);
    }

    .years-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 30px;
        margin-top: 40px;
    }

    .year-card {
        background-color: white;
        border-radius: 10px;
        padding: 40px 30px;
        text-align: center;
        box-shadow: var(--shadow);
        transition: var(--transition);
    }

    .year-card:hover {
        transform: translateY(-10px);
        box-shadow: var(--shadow-lg);
    }

    .year-badge {
        display: inline-block;
        background-color: var(--primary);
        color: white;
        padding: 10px 20px;
        border-radius: 50px;
        font-weight: 600;
        margin-bottom: 20px;
    }

    /* Footer */
    footer {
        background-color: var(--primary-dark);
        color: white;
        padding: 60px 0 30px;
    }

    .footer-content {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 40px;
        margin-bottom: 40px;
    }

    .footer-logo {
        font-family: 'Playfair Display', serif;
        font-size: 2rem;
        font-weight: 700;
        margin-bottom: 20px;
    }

    .footer-logo span {
        color: var(--secondary);
    }

    .footer-links h3 {
        color: white;
        font-size: 1.3rem;
        margin-bottom: 20px;
    }

    .footer-links ul {
        list-style: none;
    }

    .footer-links li {
        margin-bottom: 10px;
    }

    .footer-links a:hover {
        color: var(--secondary-light);
    }

    .copyright {
        text-align: center;
        padding-top: 30px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        font-size: 0.9rem;
        color: rgba(255, 255, 255, 0.7);
    }

    /* Animations */
    @keyframes fadeInLeft {
        from {
            opacity: 0;
            transform: translateX(-30px);
        }
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }

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

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

    .fade-in {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s ease, transform 0.8s ease;
    }

    .fade-in.visible {
        opacity: 1;
        transform: translateY(0);
    }

    /* Responsive Styles */
    @media (max-width: 992px) {
        h1 {
            font-size: 2.8rem;
        }
    
        h2 {
            font-size: 2.2rem;
        }
    
        .hero-content {
            flex-direction: column;
        }
    
        .hero-text {
            padding-right: 0;
            margin-bottom: 50px;
            text-align: center;
        }
    
        .plan-card.popular {
            transform: scale(1);
        }
    }

    @media (max-width: 768px) {
        .mobile-menu-btn {
            display: block;
        }
    
        .nav-links {
            position: fixed;
            top: 80px;
            left: 0;
            width: 100%;
            background-color: white;
            flex-direction: column;
            align-items: center;
            padding: 20px 0;
            box-shadow: var(--shadow);
            transform: translateY(-100%);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }
    
        .nav-links.active {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }
    
        .nav-links li {
            margin: 15px 0;
        }
    
        h1 {
            font-size: 2.3rem;
        }
    
        h2 {
            font-size: 1.8rem;
        }
    }

    @media (max-width: 576px) {
        section {
            padding: 60px 0;
        }
    
        h1 {
            font-size: 2rem;
        }
    
        .btn {
            padding: 12px 24px;
        }
    
        .plan-card, .feature-card, .year-card {
            padding: 30px 20px;
        }
    }
    transition: var(--transition);
    box-shadow: 5px 0 25px rgba(0,0,0,0.2);
}

.sidebar.collapsed {
    transform: translateX(-240px);
}

.sidebar-header {
    padding: 2rem 1.5rem;
    text-align: center;
    border-bottom: 2px solid var(--logo-orange);
    background: linear-gradient(135deg, var(--logo-orange) 0%, var(--logo-orange-dark) 100%);
    position: relative;
    overflow: hidden;
}

.sidebar-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
    animation: shimmer 3s infinite;
}

.sidebar-brand {
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    position: relative;
    z-index: 2;
}

.sidebar-brand i {
    font-size: 2rem;
    animation: float 3s ease-in-out infinite;
}

.sidebar-nav {
    padding: 2rem 0;
    overflow-y: auto;
    height: calc(100vh - 120px);
}

.sidebar-nav::-webkit-scrollbar {
    width: 6px;
}

.sidebar-nav::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.1);
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: var(--logo-orange);
    border-radius: 3px;
}

.nav-item {
    margin: 0.5rem 1rem;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    padding: 1rem 1.25rem;
    border-radius: 12px;
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    display: block;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 140, 0, 0.2), transparent);
    transition: left 0.5s;
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link:hover {
    color: var(--logo-white);
    background: rgba(255, 140, 0, 0.15);
    border-color: var(--logo-orange);
    transform: translateX(8px) scale(1.02);
}

.nav-link.active {
    background: rgba(255, 140, 0, 0.2);
    border-color: var(--logo-orange);
    color: var(--logo-white);
}

.nav-link i {
    margin-right: 0.75rem;
    width: 20px;
    text-align: center;
}

/* Main Content Area */
.main-content {
    margin-left: 280px;
    padding: 2rem;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.main-content.collapsed {
    margin-left: 40px;
}

/* Cards and Components */
.card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
}

.card-header {
    background: linear-gradient(135deg, var(--logo-orange) 0%, var(--logo-orange-dark) 100%);
    color: white;
    border: none;
    padding: 1.5rem;
    font-weight: 600;
}

/* Buttons */
.btn {
    border-radius: 12px;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--logo-orange);
    border-color: var(--logo-orange);
}

.btn-primary:hover {
    background: var(--logo-orange-dark);
    border-color: var(--logo-orange-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 140, 0, 0.4);
}

.btn-outline-primary {
    color: var(--logo-orange);
    border-color: var(--logo-orange);
}

.btn-outline-primary:hover {
    background: var(--logo-orange);
    border-color: var(--logo-orange);
    color: white;
}

/* Tables */
.table {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.table thead th {
    background: linear-gradient(135deg, var(--logo-orange) 0%, var(--logo-orange-dark) 100%);
    color: white;
    border: none;
    font-weight: 600;
    padding: 1rem;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background: rgba(255, 140, 0, 0.05);
    transform: scale(1.01);
}

/* Forms */
.form-label {
    font-weight: 600;
    color: var(--logo-black);
}

.form-control:focus {
    border-color: var(--logo-orange);
    box-shadow: 0 0 0 0.2rem rgba(255, 140, 0, 0.25);
}

/* Animations */
@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        padding: 1rem;
    }
    
    .hero-section .col-lg-6:last-child {
        display: none;
    }
}

/* Logo and Branding */
.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-image {
    width: 40px;
    height: 40px;
    object-fit: contain;
    filter: brightness(1.2) contrast(1.2);
    transition: all 0.3s ease;
}

.logo-container:hover .logo-image {
    transform: scale(1.1);
    filter: brightness(1.4) contrast(1.4);
}

.logo-text {
    font-weight: 800;
    font-size: 1.8rem;
    color: var(--logo-orange);
}

/* Student Dashboard Specific Styles */
.student-sidebar {
    background: linear-gradient(180deg, #000000 0%, #1a1a1a 100%);
    border-right: 3px solid #FF8C00;
}

/* Legacy sidebar-menu support for backward compatibility */
.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-menu li {
    margin: 0.5rem 1rem;
}

.sidebar-menu li a {
    color: rgba(255, 255, 255, 0.8);
    padding: 1rem 1.25rem;
    border-radius: 12px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    display: block;
}

.sidebar-menu li a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 140, 0, 0.2), transparent);
    transition: left 0.5s;
}

.sidebar-menu li a:hover::before {
    left: 100%;
}

.sidebar-menu li a:hover {
    color: white;
    background: rgba(255, 140, 0, 0.15);
    border-color: #FF8C00;
    transform: translateX(8px) scale(1.02);
    box-shadow: 0 4px 20px rgba(255, 140, 0, 0.3);
}

.sidebar-menu li a.active {
    background: linear-gradient(135deg, #FF8C00 0%, #FF4500 100%);
    color: white;
    border-color: white;
    box-shadow: 0 6px 25px rgba(255, 140, 0, 0.4);
    transform: translateX(5px);
}

.sidebar-menu li a i {
    width: 24px;
    margin-right: 0.75rem;
    text-align: center;
    font-size: 1.1rem;
}

.student-sidebar .sidebar-header {
    background: linear-gradient(135deg, #FF8C00 0%, #FF4500 100%);
    border-bottom: 3px solid #FF8C00;
}

.student-sidebar .sidebar-brand {
    color: white;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.8rem;
    position: relative;
    z-index: 2;
}

.student-sidebar .nav-item {
    margin: 0.5rem 1rem;
}

.student-sidebar .nav-link {
    color: rgba(255, 255, 255, 0.8);
    padding: 1rem 1.25rem;
    border-radius: 12px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.student-sidebar .nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 140, 0, 0.2), transparent);
    transition: left 0.5s;
}

.student-sidebar .nav-link:hover::before {
    left: 100%;
}

.student-sidebar .nav-link:hover {
    color: white;
    background: rgba(255, 140, 0, 0.15);
    border-color: #FF8C00;
    transform: translateX(8px) scale(1.02);
    box-shadow: 0 4px 20px rgba(255, 140, 0, 0.3);
}

.student-sidebar .nav-link.active {
    background: linear-gradient(135deg, #FF8C00 0%, #FF4500 100%);
    color: white;
    border-color: white;
    box-shadow: 0 6px 25px rgba(255, 140, 0, 0.4);
    transform: translateX(5px);
}

.student-sidebar .nav-link i {
    width: 24px;
    margin-right: 0.75rem;
    text-align: center;
    font-size: 1.1rem;
}

.student-sidebar .nav-link span {
    font-weight: 600;
    font-size: 1rem;
}

.student-sidebar .nav-link.logout {
    margin-top: 2rem;
    background: rgba(220, 53, 69, 0.1);
    border-color: rgba(220, 53, 69, 0.3);
}

.student-sidebar .nav-link.logout:hover {
    background: rgba(220, 53, 69, 0.2);
    border-color: #dc3545;
    color: #dc3545;
}

/* Student-specific content styling */
.student-content {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    min-height: 100vh;
}

.student-card {
    background: white;
    border: none;
    border-radius: 18px;
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.student-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.student-card .card-header {
    background: linear-gradient(135deg, #FF8C00 0%, #FF4500 100%);
    color: white;
    border-radius: 18px 18px 0 0 !important;
    border: none;
    padding: 1.5rem 2rem;
    position: relative;
    overflow: hidden;
}

.student-card .card-header::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1));
    transform: skewX(-15deg);
}

.student-stat {
    text-align: center;
    padding: 2rem 1.5rem;
}

.student-stat .stat-icon {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2.5rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.student-stat .stat-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: rotate 3s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.student-stat .stat-icon i {
    position: relative;
    z-index: 2;
}

.student-stat .stat-number {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    color: #1a1a1a;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}

.student-stat .stat-label {
    color: #6c757d;
    font-weight: 600;
    margin: 0;
    font-size: 1.1rem;
}

.course-card {
    background: white;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
}

.course-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    border-color: #FF8C00;
}

.course-card .course-header {
    padding: 1.25rem;
    color: white;
    background: linear-gradient(135deg, #FF8C00 0%, #FF4500 100%);
}

.course-card .course-body {
    padding: 1.75rem;
}

.course-meta {
    margin: 1.25rem 0;
}

.course-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.course-actions .btn {
    border-radius: 10px;
    font-weight: 600;
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
}

.course-actions .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.session-item {
    background: white;
    padding: 1.25rem;
    border-radius: 15px;
    border-left: 5px solid #FF8C00;
    margin-bottom: 1.25rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.session-item:hover {
    transform: translateX(5px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.12);
}

.resource-item {
    background: white;
    padding: 1.25rem;
    border-radius: 15px;
    border-left: 5px solid #28a745;
    margin-bottom: 1.25rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.resource-item:hover {
    transform: translateX(5px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.12);
}

.resource-icon {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

/* Custom button styles using logo colors */
.btn-primary {
    background: linear-gradient(135deg, #FF8C00 0%, #FF4500 100%);
    border-color: #FF8C00;
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #FF4500 0%, #FF8C00 100%);
    border-color: #FF4500;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 140, 0, 0.4);
}

.btn-outline-primary {
    border-color: #FF8C00;
    color: #FF8C00;
    border-radius: 10px;
    font-weight: 600;
}

.btn-outline-primary:hover {
    background: #FF8C00;
    border-color: #FF8C00;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 140, 0, 0.4);
}

.btn-outline-info {
    border-color: #17a2b8;
    color: #17a2b8;
    border-radius: 10px;
    font-weight: 600;
}

.btn-outline-info:hover {
    background: #17a2b8;
    border-color: #17a2b8;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(23, 162, 184, 0.4);
}

.btn-outline-success {
    border-color: #28a745;
    color: #28a745;
    border-radius: 10px;
    font-weight: 600;
}

.btn-outline-success:hover {
    background: #28a745;
    border-color: #28a745;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.4);
}

.btn-outline-warning {
    border-color: #ffc107;
    color: #ffc107;
    border-radius: 10px;
    font-weight: 600;
}

.btn-outline-warning:hover {
    background: #ffc107;
    border-color: #ffc107;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 193, 7, 0.4);
}

.btn-outline-danger {
    border-color: #dc3545;
    color: #dc3545;
    border-radius: 10px;
    font-weight: 600;
}

.btn-outline-danger:hover {
    background: #dc3545;
    border-color: #dc3545;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(220, 53, 69, 0.4);
}

.btn-outline-light {
    border-color: #f8f9fa;
    color: #6c757d;
    border-radius: 10px;
    font-weight: 600;
}

.btn-outline-light:hover {
    background: #f8f9fa;
    border-color: #f8f9fa;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(248, 249, 250, 0.4);
}

/* Welcome message styling */
.welcome-card {
    background: linear-gradient(135deg, #FF8C00 0%, #FF4500 100%);
    color: white;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}

.welcome-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

.welcome-card .card-body {
    position: relative;
    z-index: 2;
}

.welcome-card h2 {
    font-weight: 800;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.welcome-card .lead {
    font-weight: 500;
    opacity: 0.95;
}

/* Top navigation styling */
.top-nav {
    background: white;
    padding: 1.5rem 2rem;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Topbar styling for student pages */
.topbar {
    background: white;
    padding: 1.5rem 2rem;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Content area styling */
.content-area {
    background: transparent;
    padding: 0;
}

/* Dashboard container styling */
.dashboard-container {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    min-height: 100vh;
}

/* Custom background classes */
.bg-primary-custom {
    background: linear-gradient(135deg, #FF8C00 0%, #FF4500 100%) !important;
}

.bg-success {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%) !important;
}

.bg-info {
    background: linear-gradient(135deg, #17a2b8 0%, #6f42c1 100%) !important;
}

.bg-warning {
    background: linear-gradient(135deg, #fd7e14 0%, #e83e8c 100%) !important;
}

/* Activity timeline styling */
.activity-timeline {
    position: relative;
}

.activity-item {
    background: white;
    padding: 1rem;
    border-radius: 15px;
    border-left: 4px solid #FF8C00;
    margin-bottom: 1rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.activity-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
}

.activity-content {
    flex: 1;
}

/* Stat icon styling */
.stat-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin: 0 auto 1rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #1a1a1a;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #6c757d;
    font-weight: 600;
    font-size: 1rem;
}

/* Progress styling */
.progress {
    height: 8px;
    border-radius: 4px;
    background-color: #e9ecef;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    border-radius: 4px;
    transition: width 0.6s ease;
}

/* Badge styling */
.badge {
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.875rem;
}

/* Button group styling */
.btn-group {
    display: flex;
    gap: 0.5rem;
}

.btn-group .btn {
    flex: 1;
}

/* Progress item styling */
.progress-item {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    border-left: 4px solid #FF8C00;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.progress-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0,0,0,0.15);
}

.progress-stat {
    margin-bottom: 1rem;
}

.progress-stat label {
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 0.5rem;
    display: block;
}

/* Stat item styling */
.stat-item {
    padding: 1rem;
    background: rgba(255,255,255,0.8);
    border-radius: 10px;
    border: 1px solid rgba(0,0,0,0.1);
}

/* Category card styling */
.category-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    border-color: #FF8C00;
}

/* Video card styling */
.video-card {
    transition: all 0.3s ease;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.video-placeholder {
    border-radius: 10px;
    min-height: 150px;
}

/* Resource card styling */
.resource-card {
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    border-color: #FF8C00;
}

.resource-type-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 0.75rem;
    font-weight: 600;
}

.resource-stats {
    display: flex;
    gap: 1rem;
}

.resource-stats small {
    color: #6c757d;
    font-size: 0.875rem;
}

/* Logout button styling */
.logout-btn {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
}

.logout-btn:hover {
    background: linear-gradient(135deg, #c82333 0%, #dc3545 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(220, 53, 69, 0.4);
    text-decoration: none;
}

/* Sidebar toggle button styling */
.sidebar-toggle {
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 1001;
    background: #FF8C00;
    border: none;
    color: white;
    padding: 0.75rem;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: none;
}

.sidebar-toggle:hover {
    background: #FF4500;
    transform: scale(1.1);
}

@media (max-width: 768px) {
    .sidebar-toggle {
        display: block;
    }
}

/* Particles background styling */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: #FF8C00;
    border-radius: 50%;
    animation: float-particle 6s infinite linear;
    opacity: 0.6;
}

@keyframes float-particle {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* Activity color classes */
.bg-success {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%) !important;
}

.bg-info {
    background: linear-gradient(135deg, #17a2b8 0%, #6f42c1 100%) !important;
}

.bg-warning {
    background: linear-gradient(135deg, #fd7e14 0%, #e83e8c 100%) !important;
}

.bg-secondary {
    background: linear-gradient(135deg, #6c757d 0%, #495057 100%) !important;
}

/* Calendar specific styling */
.calendar-day {
    min-height: 100px;
    border: 1px solid #dee2e6;
    padding: 8px;
    position: relative;
    background: white;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.calendar-day.today {
    background: linear-gradient(135deg, #FF8C00 0%, #FF4500 100%);
    border-color: #FF8C00;
    color: white;
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(255, 140, 0, 0.3);
}

.calendar-day.has-session {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border-color: #2196f3;
}

.session-dot {
    width: 8px;
    height: 8px;
    background: #FF8C00;
    border-radius: 50%;
    position: absolute;
    top: 5px;
    right: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.calendar-day:hover {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.day-number {
    font-weight: bold;
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.session-title {
    font-size: 0.75rem;
    color: #6c757d;
    margin-bottom: 2px;
    line-height: 1.2;
}

.calendar-day.today .session-title {
    color: rgba(255,255,255,0.9);
}

/* Alert styling */
.alert {
    border: none;
    border-radius: 15px;
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.alert-info {
    background: linear-gradient(135deg, #d1ecf1 0%, #bee5eb 100%);
    color: #0c5460;
    border-left: 4px solid #17a2b8;
}

.alert-warning {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    color: #856404;
    border-left: 4px solid #ffc107;
}

.alert-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
    border-left: 4px solid #28a745;
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
    border-left: 4px solid #dc3545;
}

/* Form styling */
.form-select {
    border: 2px solid #e9ecef;
    border-radius: 12px;
    padding: 12px 16px;
    transition: all 0.3s ease;
    background: white;
}

.form-select:focus {
    border-color: #FF8C00;
    box-shadow: 0 0 0 0.2rem rgba(255, 140, 0, 0.25);
    outline: none;
}

.form-control {
    border: 2px solid #e9ecef;
    border-radius: 12px;
    padding: 12px 16px;
    transition: all 0.3s ease;
    background: white;
}

.form-control:focus {
    border-color: #FF8C00;
    box-shadow: 0 0 0 0.2rem rgba(255, 140, 0, 0.25);
    outline: none;
}

.form-label {
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 0.5rem;
}

/* Button styling */
.btn-secondary {
    background: linear-gradient(135deg, #6c757d 0%, #495057 100%);
    border-color: #6c757d;
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #495057 0%, #6c757d 100%);
    border-color: #495057;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108, 117, 125, 0.4);
}

.btn-outline-secondary {
    border-color: #6c757d;
    color: #6c757d;
    border-radius: 10px;
    font-weight: 600;
}

.btn-outline-secondary:hover {
    background: #6c757d;
    border-color: #6c757d;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108, 117, 125, 0.4);
}

.btn-outline-info {
    border-color: #17a2b8;
    color: #17a2b8;
    border-radius: 10px;
    font-weight: 600;
}

.btn-outline-info:hover {
    background: #17a2b8;
    border-color: #17a2b8;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(23, 162, 184, 0.4);
}

.btn-outline-success {
    border-color: #28a745;
    color: #28a745;
    border-radius: 10px;
    font-weight: 600;
}

.btn-outline-success:hover {
    background: #28a745;
    border-color: #28a745;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.4);
}

.btn-outline-danger {
    border-color: #dc3545;
    color: #dc3545;
    border-radius: 10px;
    font-weight: 600;
}

.btn-outline-danger:hover {
    background: #dc3545;
    border-color: #dc3545;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(220, 53, 69, 0.4);
}

.btn-outline-warning {
    border-color: #ffc107;
    color: #ffc107;
    border-radius: 10px;
    font-weight: 600;
}

.btn-outline-warning:hover {
    background: #ffc107;
    border-color: #ffc107;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 193, 7, 0.4);
}

.btn-outline-light {
    border-color: #f8f9fa;
    color: #6c757d;
    border-radius: 10px;
    font-weight: 600;
}

.btn-outline-light:hover {
    background: #f8f9fa;
    border-color: #f8f9fa;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(248, 249, 250, 0.4);
}

.btn-outline-dark {
    border-color: #343a40;
    color: #343a40;
    border-radius: 10px;
    font-weight: 600;
}

.btn-outline-dark:hover {
    background: #343a40;
    border-color: #343a40;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52, 58, 64, 0.4);
}

.btn-outline-primary {
    border-color: #FF8C00;
    color: #FF8C00;
    border-radius: 10px;
    font-weight: 600;
}

.btn-outline-primary:hover {
    background: #FF8C00;
    border-color: #FF8C00;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 140, 0, 0.4);
}

.top-nav h1 {
    color: #1a1a1a;
    font-weight: 800;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 15px;
}

.top-nav h1 i {
    color: #FF8C00;
    font-size: 2rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #FF8C00 0%, #FF4500 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.5rem;
    box-shadow: 0 4px 15px rgba(255,140,0,0.3);
}

.user-info span {
    color: #1a1a1a;
    font-weight: 600;
    font-size: 1.1rem;
}

/* Top nav logout button */
.top-nav .logout-btn {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.top-nav .logout-btn:hover {
    background: linear-gradient(135deg, #c82333 0%, #dc3545 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(220, 53, 69, 0.4);
    text-decoration: none;
}

/* Particle Background */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--logo-orange);
    border-radius: 50%;
    animation: float-particle 6s infinite linear;
}

@keyframes float-particle {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* Additional Button Styles */
.btn-outline-light {
    border-color: var(--logo-white);
    color: var(--logo-white);
    background: transparent;
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline-light:hover {
    background: var(--logo-white);
    color: var(--logo-black);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.4);
}

.btn-outline-light:focus {
    box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.25);
}

.btn-outline-light:active {
    transform: translateY(0);
}

/* Additional Form Styles */
.form-control:focus {
    border-color: var(--logo-orange);
    box-shadow: 0 0 0 0.2rem rgba(255, 140, 0, 0.25);
}

.form-select:focus {
    border-color: var(--logo-orange);
    box-shadow: 0 0 0 0.2rem rgba(255, 140, 0, 0.25);
}

/* Additional Card Styles */
.card {
    border: none;
    border-radius: 18px;
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.card-header {
    background: linear-gradient(135deg, var(--logo-orange) 0%, var(--logo-orange-dark) 100%);
    color: var(--logo-white);
    border-radius: 18px 18px 0 0 !important;
    border: none;
    padding: 1.5rem 2rem;
    position: relative;
    overflow: hidden;
}

.card-header::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1));
    transform: skewX(-15deg);
}

/* Additional Table Styles */
.table {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.table thead th {
    background: linear-gradient(135deg, var(--logo-orange) 0%, var(--logo-orange-dark) 100%);
    color: var(--logo-white);
    border: none;
    padding: 1rem 1.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table tbody tr {
    transition: all 0.3s ease;
}

.table tbody tr:hover {
    background: rgba(255, 140, 0, 0.05);
    transform: scale(1.01);
}

.table tbody td {
    padding: 1rem 1.5rem;
    border: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

/* Additional Alert Styles */
.alert {
    border: none;
    border-radius: 15px;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.alert-success {
    background: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
    color: white;
}

.alert-info {
    background: linear-gradient(135deg, #3498db 0%, #5dade2 100%);
    color: white;
}

.alert-warning {
    background: linear-gradient(135deg, #f39c12 0%, #f1c40f 100%);
    color: white;
}

.alert-danger {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: white;
}

/* Additional Badge Styles */
.badge {
    border-radius: 10px;
    padding: 0.5rem 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background: linear-gradient(135deg, var(--logo-orange) 0%, var(--logo-orange-dark) 100%);
    color: white;
}

.badge-success {
    background: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
    color: white;
}

.badge-warning {
    background: linear-gradient(135deg, #f39c12 0%, #f1c40f 100%);
    color: white;
}

.badge-danger {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: white;
}

/* Additional Progress Bar Styles */
.progress {
    height: 12px;
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.1);
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.progress-bar {
    background: linear-gradient(135deg, var(--logo-orange) 0%, var(--logo-orange-dark) 100%);
    border-radius: 10px;
    transition: all 0.6s ease;
    position: relative;
    overflow: hidden;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: progress-shine 2s infinite;
}

@keyframes progress-shine {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Additional Modal Styles */
.modal-content {
    border: none;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.modal-header {
    background: linear-gradient(135deg, var(--logo-orange) 0%, var(--logo-orange-dark) 100%);
    color: var(--logo-white);
    border: none;
    padding: 2rem;
}

.modal-title {
    font-weight: 800;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.modal-body {
    padding: 2rem;
}

.modal-footer {
    border: none;
    padding: 1.5rem 2rem;
    background: rgba(0, 0, 0, 0.02);
}

/* Additional Pagination Styles */
.pagination {
    gap: 0.5rem;
}

.page-link {
    border: none;
    border-radius: 10px;
    color: var(--logo-black);
    padding: 0.75rem 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    background: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.page-link:hover {
    background: var(--logo-orange);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 140, 0, 0.4);
}

.page-item.active .page-link {
    background: linear-gradient(135deg, var(--logo-orange) 0%, var(--logo-orange-dark) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 140, 0, 0.4);
}

/* Additional Dropdown Styles */
.dropdown-menu {
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    padding: 0.5rem;
    background: white;
}

.dropdown-item {
    border-radius: 10px;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    color: var(--logo-black);
}

.dropdown-item:hover {
    background: rgba(255, 140, 0, 0.1);
    color: var(--logo-orange);
    transform: translateX(5px);
}

/* Additional List Group Styles */
.list-group-item {
    border: none;
    border-radius: 10px;
    margin-bottom: 0.5rem;
    padding: 1rem 1.5rem;
    transition: all 0.3s ease;
    background: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.list-group-item:hover {
    background: rgba(255, 140, 0, 0.05);
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.list-group-item.active {
    background: linear-gradient(135deg, var(--logo-orange) 0%, var(--logo-orange-dark) 100%);
    color: white;
    border: none;
}

/* Additional Breadcrumb Styles */
.breadcrumb {
    background: transparent;
    padding: 0;
    margin-bottom: 2rem;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: '>';
    color: var(--logo-orange);
    font-weight: 600;
}

.breadcrumb-item.active {
    color: var(--logo-orange);
    font-weight: 600;
}

.breadcrumb-item a {
    color: var(--logo-black);
    text-decoration: none;
    transition: all 0.3s ease;
}

.breadcrumb-item a:hover {
    color: var(--logo-orange);
}

/* Additional Tooltip Styles */
.tooltip-inner {
    background: var(--logo-black);
    color: white;
    border-radius: 10px;
    padding: 0.5rem 1rem;
    font-weight: 500;
}

.tooltip.bs-tooltip-top .tooltip-arrow::before {
    border-top-color: var(--logo-black);
}

.tooltip.bs-tooltip-bottom .tooltip-arrow::before {
    border-bottom-color: var(--logo-black);
}

.tooltip.bs-tooltip-start .tooltip-arrow::before {
    border-left-color: var(--logo-black);
}

.tooltip.bs-tooltip-end .tooltip-arrow::before {
    border-right-color: var(--logo-black);
}

/* Additional Popover Styles */
.popover {
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.popover-header {
    background: linear-gradient(135deg, var(--logo-orange) 0%, var(--logo-orange-dark) 100%);
    color: white;
    border: none;
    border-radius: 15px 15px 0 0;
    font-weight: 600;
}

.popover-body {
    padding: 1rem 1.5rem;
}

/* Additional Spinner Styles */
.spinner-border {
    color: var(--logo-orange);
}

.spinner-grow {
    background-color: var(--logo-orange);
}

/* Additional Close Button Styles */
.btn-close {
    filter: invert(1);
    opacity: 0.8;
    transition: all 0.3s ease;
}

.btn-close:hover {
    opacity: 1;
    transform: scale(1.1);
}

/* Additional Image Styles */
.img-fluid {
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.img-fluid:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Additional Icon Styles */
.icon-large {
    font-size: 3rem;
    color: var(--logo-orange);
    margin-bottom: 1rem;
}

.icon-medium {
    font-size: 2rem;
    color: var(--logo-orange);
    margin-bottom: 0.75rem;
}

.icon-small {
    font-size: 1.5rem;
    color: var(--logo-orange);
    margin-bottom: 0.5rem;
}

/* Additional Text Styles */
.text-gradient {
    background: linear-gradient(135deg, var(--logo-orange) 0%, var(--logo-orange-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-shadow {
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

/* Additional Border Styles */
.border-gradient {
    border: 2px solid;
    border-image: linear-gradient(135deg, var(--logo-orange) 0%, var(--logo-orange-dark) 100%) 1;
}

.border-orange {
    border-color: var(--logo-orange) !important;
}

.border-orange-light {
    border-color: var(--logo-orange-light) !important;
}

/* Additional Background Styles */
.bg-gradient-orange {
    background: linear-gradient(135deg, var(--logo-orange) 0%, var(--logo-orange-dark) 100%) !important;
}

.bg-gradient-orange-light {
    background: linear-gradient(135deg, var(--logo-orange-light) 0%, var(--logo-orange) 100%) !important;
}

.bg-orange-transparent {
    background: rgba(255, 140, 0, 0.1) !important;
}

/* Additional Animation Classes */
.fade-in {
    animation: fadeIn 0.6s ease-in;
}

.slide-up {
    animation: slideUp 0.6s ease-out;
}

.slide-down {
    animation: slideDown 0.6s ease-out;
}

.slide-left {
    animation: slideLeft 0.6s ease-out;
}

.slide-right {
    animation: slideRight 0.6s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

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

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

/* Additional Hover Effects */
.hover-lift {
    transition: all 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.hover-scale {
    transition: all 0.3s ease;
}

.hover-scale:hover {
    transform: scale(1.05);
}

.hover-rotate {
    transition: all 0.3s ease;
}

.hover-rotate:hover {
    transform: rotate(5deg);
}

/* Additional Focus Styles */
.focus-ring:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.25);
}

/* Additional Loading States */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: loading-shine 1.5s infinite;
}

@keyframes loading-shine {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Additional Utility Classes */
.shadow-soft {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.shadow-medium {
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.12);
}

.shadow-strong {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.rounded-soft {
    border-radius: 10px;
}

.rounded-medium {
    border-radius: 15px;
}

.rounded-strong {
    border-radius: 20px;
}

.transition-fast {
    transition: all 0.2s ease;
}

.transition-medium {
    transition: all 0.3s ease;
}

.transition-slow {
    transition: all 0.5s ease;
}