:root {
            --udemy-purple: #a435f0;
            --udemy-dark: #1c1d1f;
            --udemy-gray: #6a6f73;
            --udemy-light-gray: #f7f9fa;
            --udemy-border: #d1d7dc;
            --primary-color: #a435f0;
            --secondary-color: #8710d8;
            --success-color: #10b981;
            --danger-color: #ef4444;
            --warning-color: #f59e0b;
            --dark-color: #1c1d1f;
            --light-color: #f7f9fa;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html, body {
            height: 100%;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background-color: #fff;
            color: var(--udemy-dark);
            line-height: 1.6;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        .main-content {
            flex: 1 0 auto;
        }

        /* Professional Header */
        .top-header {
            background: linear-gradient(135deg, #1a365d 0%, #2c5282 100%);
            color: white;
            padding: 0.5rem 0;
            font-size: 0.8rem;
        }

        .top-header a {
            color: rgba(255,255,255,0.9);
            text-decoration: none;
        }

        .top-header a:hover {
            color: white;
        }

        .navbar-nav .nav-link.nav-govt-login,
        a.nav-govt-login,
        .nav-govt-login {
            background: #ffffff !important;
            color: #1a365d !important;
            border-radius: 6px !important;
            padding: 0.4rem 1rem !important;
            font-size: 0.8125rem !important;
            font-weight: 600 !important;
            border: 1.5px solid #1a365d !important;
            transition: all 0.2s !important;
            display: inline-flex !important;
            align-items: center !important;
            gap: 0.35rem !important;
        }

        .navbar-nav .nav-link.nav-govt-login:hover,
        a.nav-govt-login:hover,
        .nav-govt-login:hover {
            background: #1a365d !important;
            border-color: #1a365d !important;
            color: #ffffff !important;
        }

        .nav-govt-login i {
            color: #1a365d;
        }

        .nav-govt-login:hover i {
            color: #c9a227;
        }

        .nav-govt-login::after {
            color: #1a365d;
            border-top-color: #1a365d !important;
        }

        .nav-govt-login:hover::after {
            border-top-color: #ffffff !important;
        }

        /* Government dropdown menu */
        .govt-dropdown-menu {
            border: none !important;
            border-radius: 8px !important;
            box-shadow: 0 8px 30px rgba(26, 54, 93, 0.2) !important;
            padding: 0.5rem 0 !important;
            min-width: 260px !important;
            border-top: 3px solid #c9a227 !important;
        }

        .govt-dropdown-menu .dropdown-item {
            padding: 0.65rem 1.25rem !important;
            font-size: 0.85rem !important;
            font-weight: 500 !important;
            color: #1a365d !important;
            transition: all 0.2s !important;
        }

        .govt-dropdown-menu .dropdown-item:hover {
            background: linear-gradient(135deg, #f0f4f8, #e8edf3) !important;
            color: #1a365d !important;
            padding-left: 1.5rem !important;
        }

        .govt-dropdown-menu .dropdown-item i {
            font-size: 1rem;
            width: 20px;
            text-align: center;
        }

        /* Navigation */
        .navbar {
            background: white;
            box-shadow: 0 2px 4px rgba(0,0,0,0.08);
            padding: 0.5rem 0;
            border-bottom: 2px solid #c9a227;
            z-index: 1030;
        }

        .navbar-brand {
            font-weight: 700;
            font-size: 1.35rem;
            color: #1a365d !important;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
        }

        .navbar-brand:hover {
            color: #2c5282 !important;
        }

        .navbar-brand .brand-logo {
            width: 45px;
            height: 45px;
            margin-right: 0.75rem;
            object-fit: contain;
        }

        .navbar-brand .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .navbar-brand .brand-text .main-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: #1a365d;
        }

        .navbar-brand .brand-text .sub-title {
            font-size: 0.7rem;
            font-weight: 400;
            color: #718096;
        }

        .navbar-brand i {
            font-size: 2rem;
            vertical-align: middle;
            margin-right: 0.5rem;
            color: #c9a227;
        }

        .navbar-toggler {
            border: 1px solid var(--udemy-border);
            padding: 0.5rem 0.75rem;
        }

        .navbar-toggler:focus {
            box-shadow: none;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(28, 29, 31, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .nav-link {
            color: #1a365d !important;
            font-weight: 500;
            font-size: 0.875rem;
            padding: 0.5rem 1rem !important;
            transition: all 0.2s;
            border-radius: 4px;
        }

        .nav-link:hover {
            color: #c9a227 !important;
            background: #f7fafc;
        }

        .nav-link.active {
            color: #c9a227 !important;
            background: rgba(201, 162, 39, 0.1);
            font-weight: 600;
        }

        .nav-link i {
            margin-right: 0.25rem;
            font-size: 0.875rem;
        }

        /* Buttons */
        .btn-primary {
            background: var(--udemy-purple);
            border: none;
            font-weight: 700;
            padding: 0.75rem 1.25rem;
            transition: background 0.2s;
            color: white;
            font-size: 0.875rem;
        }

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

        .btn-outline-primary {
            border: 1px solid var(--udemy-dark);
            color: var(--udemy-dark);
            font-weight: 700;
            padding: 0.75rem 1.25rem;
            font-size: 0.875rem;
            background: white;
            transition: all 0.2s;
        }

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

        /* Header Buttons - Default: Login=gold, Signup=white */
        .nav-btn-login,
        a.nav-btn-login,
        .nav-link.nav-btn-login {
            background: #c9a227 !important;
            color: #1a365d !important;
            font-weight: 700;
            padding: 0.5rem 1.25rem;
            border-radius: 4px;
            border: 1px solid #c9a227 !important;
            transition: all 0.2s;
            text-decoration: none;
            font-size: 0.875rem;
            display: inline-block;
        }

        .nav-btn-login:hover,
        a.nav-btn-login:hover,
        .nav-link.nav-btn-login:hover {
            background: #b8922a !important;
            border-color: #b8922a !important;
            color: #1a365d !important;
        }

        /* Login button active state (on login page) - swap to white */
        .nav-btn-login.active,
        a.nav-btn-login.active,
        .nav-link.nav-btn-login.active {
            background: white !important;
            color: #1a365d !important;
            border: 1px solid #1a365d !important;
            font-weight: 600;
        }

        /* Login button inactive state (on register page) - swap to white */
        .nav-btn-login.inactive,
        a.nav-btn-login.inactive,
        .nav-link.nav-btn-login.inactive {
            background: white !important;
            color: #1a365d !important;
            border: 1px solid #1a365d !important;
            font-weight: 600;
        }

        .nav-btn-signup,
        a.nav-btn-signup {
            background: #c9a227 !important;
            color: #1a365d !important;
            font-weight: 600;
            padding: 0.5rem 1.25rem;
            border-radius: 4px;
            transition: all 0.2s;
            text-decoration: none;
            font-size: 0.875rem;
            border: 1px solid #c9a227 !important;
            display: inline-block;
            margin-left: 0.5rem;
        }

        .nav-btn-signup:hover,
        a.nav-btn-signup:hover {
            background: #b8922a !important;
            color: #1a365d !important;
            border-color: #b8922a !important;
        }

        /* Signup button active state (on register page) - swap to gold */
        .nav-btn-signup.active,
        a.nav-btn-signup.active {
            background: #c9a227 !important;
            color: #1a365d !important;
            border: 1px solid #c9a227 !important;
            font-weight: 700;
        }

        /* Signup button inactive state (on login page) - swap to gold */
        .nav-btn-signup.inactive,
        a.nav-btn-signup.inactive {
            background: #c9a227 !important;
            color: #1a365d !important;
            border: 1px solid #c9a227 !important;
            font-weight: 700;
        }

        /* User Dropdown */
        .user-dropdown-toggle {
            color: var(--udemy-dark) !important;
            font-weight: 600;
            padding: 0.5rem 1rem !important;
            border-radius: 0;
            font-size: 0.875rem;
            border: 1px solid var(--udemy-border);
            background: white;
            transition: all 0.2s;
        }

        .user-dropdown-toggle:hover {
            background: #f7f9fa;
            border-color: var(--udemy-dark);
        }

        .user-dropdown-toggle::after {
            margin-left: 0.5rem;
        }

        .dropdown-menu {
            border-radius: 0;
            border: 1px solid var(--udemy-border);
            box-shadow: 0 2px 8px rgba(0,0,0,0.15);
            margin-top: 0.5rem;
            z-index: 1050;
        }

        .dropdown-item {
            padding: 0.75rem 1.5rem;
            font-size: 0.875rem;
            color: var(--udemy-dark);
            transition: background 0.2s;
        }

        .dropdown-item:hover {
            background: #f7f9fa;
            color: var(--udemy-dark);
        }

        .dropdown-item i {
            margin-right: 0.5rem;
            color: var(--udemy-gray);
        }

        /* Footer */
        .footer {
            background-color: #1c1d1f;
            color: rgba(255, 255, 255, 0.7);
            margin-top: auto;
            font-size: 0.875rem;
            flex-shrink: 0;
        }

        .footer-top {
            display: flex;
            gap: 3rem;
            padding: 2.5rem 0 2rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand {
            flex: 0 0 280px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.75rem;
        }

        .footer-logo i {
            font-size: 1.5rem;
            color: #c9a227;
        }

        .footer-logo span {
            font-size: 1.1rem;
            font-weight: 700;
            color: white;
        }

        .footer-tagline {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.6;
            margin: 0;
        }

        .footer-links {
            display: flex;
            flex: 1;
            gap: 2rem;
            justify-content: flex-end;
        }

        .footer-col h5 {
            color: white;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 0.75rem;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col li {
            margin-bottom: 0.4rem;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-col li i {
            margin-right: 0.35rem;
            font-size: 0.75rem;
        }

        .footer-col a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
            transition: color 0.2s;
        }

        .footer-col a:hover {
            color: #c9a227;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }

        .footer-bottom p {
            margin: 0;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom-links {
            display: flex;
            gap: 1.25rem;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.4);
            text-decoration: none;
            font-size: 0.75rem;
            transition: color 0.2s;
        }

        .footer-bottom-links a:hover {
            color: #c9a227;
        }

        /* Responsive - Footer */
        @media (max-width: 768px) {
            .footer-top {
                flex-direction: column;
                gap: 1.5rem;
                padding: 1.5rem 0;
            }

            .footer-brand {
                flex: none;
            }

            .footer-links {
                flex-wrap: wrap;
                gap: 1.5rem;
                justify-content: flex-start;
            }

            .footer-col {
                flex: 0 0 calc(50% - 0.75rem);
            }

            .footer-bottom {
                flex-direction: column;
                gap: 0.5rem;
                text-align: center;
            }
        }

        /* Responsive */
        @media (max-width: 991px) {
            .navbar-collapse {
                background: white;
                padding: 1rem;
                margin-top: 0.5rem;
                border-radius: 12px;
                box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            }

            .navbar-nav {
                width: 100%;
            }

            .navbar-nav.me-auto {
                margin-bottom: 1rem;
                padding-bottom: 1rem;
                border-bottom: 1px solid #e5e7eb;
            }

            .navbar-nav .nav-item {
                width: 100%;
            }

            .navbar-nav .nav-link {
                display: block;
                padding: 0.75rem 1rem !important;
                border-radius: 8px;
                margin-bottom: 0.25rem;
            }

            .navbar-nav .nav-link:hover {
                background: #f3f4f6;
            }

            .navbar-nav.align-items-center {
                align-items: stretch !important;
            }

            .nav-btn-login,
            .nav-btn-signup,
            a.nav-btn-login,
            a.nav-btn-signup,
            .nav-link.nav-btn-login,
            .nav-btn-login.active,
            .nav-btn-login.inactive,
            .nav-btn-signup.active,
            .nav-btn-signup.inactive,
            a.nav-btn-login.active,
            a.nav-btn-login.inactive,
            a.nav-btn-signup.active,
            a.nav-btn-signup.inactive {
                display: block !important;
                width: 100% !important;
                text-align: center !important;
                margin: 0.5rem 0 !important;
                padding: 0.75rem 1rem !important;
                border-radius: 8px !important;
                box-sizing: border-box !important;
                font-size: 0.9rem !important;
                line-height: 1.5 !important;
            }

            .nav-btn-signup,
            a.nav-btn-signup,
            .nav-btn-signup.active,
            .nav-btn-signup.inactive,
            a.nav-btn-signup.active,
            a.nav-btn-signup.inactive {
                margin-left: 0 !important;
            }

            .navbar-nav .nav-link.nav-govt-login,
            a.nav-govt-login,
            .nav-govt-login {
                display: flex !important;
                width: 100% !important;
                justify-content: center !important;
                padding: 0.65rem 1rem !important;
                border-radius: 8px !important;
                margin-bottom: 0.5rem !important;
            }

            .govt-dropdown-menu {
                width: 100% !important;
                border-radius: 8px !important;
            }

            .user-dropdown-toggle {
                width: 100%;
                text-align: left;
            }

            /* Notification dropdown on mobile */
            .notification-dropdown {
                width: 100% !important;
                max-width: 100% !important;
            }

            .nav-item.dropdown.me-2 {
                margin-right: 0 !important;
            }
        }

        @media (max-width: 768px) {
            .navbar {
                padding: 0.5rem 0;
            }

            .navbar-brand {
                font-size: 1rem;
            }

            .navbar-brand i {
                font-size: 1.25rem;
            }

            .navbar-brand .brand-text .main-title {
                font-size: 1rem;
            }

            .navbar-toggler {
                padding: 0.25rem 0.5rem;
                font-size: 1rem;
            }
        }

        @media (max-width: 576px) {
            .navbar-brand .brand-text .main-title {
                font-size: 0.9rem;
            }

            .navbar-brand i {
                font-size: 1.1rem;
            }

            .navbar-collapse {
                padding: 0.75rem;
            }
        }

        /* Alert Progress Bar */
        .auto-dismiss-alert {
            position: relative;
            overflow: hidden;
        }

        .alert-progress-bar {
            position: absolute;
            bottom: 0;
            left: 0;
            height: 3px;
            background: rgba(0, 0, 0, 0.2);
            width: 100%;
            animation: alertProgress 4s linear forwards;
        }

        .alert-success .alert-progress-bar {
            background: rgba(25, 135, 84, 0.5);
        }

        .alert-danger .alert-progress-bar,
        .alert-error .alert-progress-bar {
            background: rgba(220, 53, 69, 0.5);
        }

        .alert-warning .alert-progress-bar {
            background: rgba(255, 193, 7, 0.6);
        }

        .alert-info .alert-progress-bar {
            background: rgba(13, 202, 240, 0.5);
        }

        @keyframes alertProgress {
            from { width: 100%; }
            to { width: 0%; }
        }

        /* Logout Modal */
        #logoutConfirmModal .modal-content {
            border-radius: 12px;
            border: none;
            box-shadow: 0 10px 40px rgba(0,0,0,0.2);
        }

        #logoutConfirmModal .modal-header {
            padding: 1.25rem 1.5rem 0;
        }

        #logoutConfirmModal .modal-footer {
            padding: 0 1.5rem 1.5rem;
        }

        #logoutConfirmModal .btn {
            border-radius: 8px;
            font-weight: 600;
            min-width: 120px;
        }

        /* Focus styles */
        :focus-visible {
            outline: 2px solid var(--udemy-purple);
            outline-offset: 2px;
        }