:root {
            --primary-color: #4361ee;
            --primary-dark: #3a56d4;
            --secondary-color: #4cc9f0;
            --accent-color: #f72585;
            --text-dark: #2b2d42;
            --text-light: #f8f9fa;
            --background-light: #f8f9fa;
            --background-dark: #1a1a2e;
            --gray-light: #edf2f4;
            --gray-dark: #8d99ae;
            --danger: #ef233c;
            --success: #06d6a0;
            --glass-bg: rgba(255, 255, 255, 0.15);
            --glass-border: rgba(255, 255, 255, 0.18);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Tajawal', sans-serif;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            color: var(--text-dark);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }
        
        /* Animated background elements */
        .bg-elements {
            position: fixed;
            top: 0;
            right: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            overflow: hidden;
        }
        
        .bg-circle {
            position: absolute;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(67,97,238,0.2) 0%, rgba(67,97,238,0) 70%);
        }
        
        .circle-1 {
            width: 600px;
            height: 600px;
            top: -200px;
            right: -200px;
            animation: float 8s ease-in-out infinite;
        }
        
        .circle-2 {
            width: 400px;
            height: 400px;
            bottom: -100px;
            left: -100px;
            animation: float 10s ease-in-out infinite reverse;
        }
        
        .circle-3 {
            width: 300px;
            height: 300px;
            top: 50%;
            left: 30%;
            animation: float 12s ease-in-out infinite 2s;
        }
        
        @keyframes float {
            0%, 100% {
                transform: translateY(0) rotate(0deg);
            }
            50% {
                transform: translateY(-20px) rotate(5deg);
            }
        }
        
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        .auth-container {
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            padding: 2rem 0;
        }
        
        .auth-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--glass-border);
            border-radius: 16px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            width: 100%;
            max-width: 500px;
            padding: 2.5rem;
            margin: 0 auto;
            color: var(--text-light);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        .auth-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
        }
        
        .auth-header {
            text-align: center;
            margin-bottom: 2rem;
        }
        
        .auth-header h1 {
            font-size: 2.5rem;
            color: var(--text-light);
            margin-bottom: 0.5rem;
            font-weight: 800;
            background: linear-gradient(to right, var(--secondary-color), var(--primary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-fill-color: transparent;
        }
        
        .auth-header p {
            color: var(--gray-light);
            opacity: 0.9;
            font-size: 1.1rem;
        }
        
        .form-group {
            margin-bottom: 1.75rem;
            position: relative;
        }
        
        .form-group label {
            display: block;
            font-weight: 500;
            margin-bottom: 0.75rem;
            color: var(--text-light);
            font-size: 1.05rem;
        }
        
        .form-control {
            width: 100%;
            padding: 1rem 1.25rem;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            background-color: rgba(255, 255, 255, 0.05);
            font-family: 'Tajawal', sans-serif;
            transition: all 0.3s ease;
        }
        
        .form-control::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        
        .form-control:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 4px rgba(67, 97, 238, 0.2);
            background-color: rgba(255, 255, 255, 0.1);
        }
        
        .btn {
            display: inline-block;
            font-weight: 700;
            text-align: center;
            padding: 1rem 1.75rem;
            font-size: 1.1rem;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-family: 'Tajawal', sans-serif;
            border: none;
            position: relative;
            overflow: hidden;
        }
        
        .btn-primary {
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            color: #fff;
            box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
        }
        
        .btn-primary:hover {
            background: linear-gradient(45deg, var(--primary-dark), var(--primary-color));
            box-shadow: 0 6px 20px rgba(67, 97, 238, 0.4);
            transform: translateY(-2px);
        }
        
        .btn-primary:active {
            transform: translateY(0);
        }
        
        .btn-block {
            display: block;
            width: 100%;
        }
        
        .auth-footer {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--gray-light);
        }
        
        .auth-footer a {
            color: var(--secondary-color);
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .auth-footer a:hover {
            color: var(--primary-color);
            text-decoration: underline;
        }
        
        .form-error {
            color: var(--danger);
            font-size: 0.9rem;
            margin-top: 0.5rem;
            display: none;
            font-weight: 500;
        }
        
        /* Password toggle */
        .password-toggle {
            position: relative;
        }
        
        .password-toggle-icon {
            position: absolute;
            left: 1.25rem;
            top: 50%;
            transform: translateY(-50%);
            cursor: pointer;
            color: rgba(255, 255, 255, 0.5);
            transition: color 0.3s ease;
        }
        
        .password-toggle-icon:hover {
            color: var(--text-light);
        }
        
        /* Navbar styles */
        .navbar {
            background: rgba(26, 26, 46, 0.8);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            color: var(--text-light);
            box-shadow: 0 2px 20px rgba(0,0,0,0.2);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        
        .navbar-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            text-decoration: none;
        }
        
        .logo-icon {
            font-size: 1.75rem;
            color: var(--secondary-color);
            transition: all 0.3s ease;
        }
        
        .logo-icon.floating {
            animation: float 3s ease-in-out infinite;
        }
        
        .logo h1 {
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--text-light);
            background: linear-gradient(to right, var(--secondary-color), var(--primary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-fill-color: transparent;
            margin: 0;
        }
        
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style-type: none;
        }
        
        .nav-link {
            color: var(--gray-light);
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            font-size: 1.05rem;
            position: relative;
            padding: 0.5rem 0;
        }
        
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            right: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(to right, var(--secondary-color), var(--primary-color));
            transition: width 0.3s ease;
        }
        
        .nav-link:hover {
            color: var(--text-light);
        }
        
        .nav-link:hover::after {
            width: 100%;
            left: 0;
        }
        
        .nav-btn {
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            color: #fff;
            padding: 0.75rem 1.5rem;
            border-radius: 8px;
            text-decoration: none;
            transition: all 0.3s ease;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
        }
        
        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(67, 97, 238, 0.4);
        }
        
        .hamburger {
            display: none;
            cursor: pointer;
            color: var(--text-light);
            font-size: 1.5rem;
            transition: transform 0.3s ease;
        }
        
        .hamburger:hover {
            transform: scale(1.1);
        }
        
        /* Password strength indicator */
        .password-strength {
            height: 4px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 2px;
            margin-top: 0.5rem;
            overflow: hidden;
            position: relative;
        }
        
        .strength-meter {
            height: 100%;
            width: 0;
            background: var(--danger);
            transition: all 0.3s ease;
        }
        
        /* Terms checkbox */
        .terms-group {
            display: flex;
            align-items: flex-start;
            margin: 1.5rem 0;
        }
        
        .terms-checkbox {
            margin-left: 0.75rem;
            margin-top: 0.25rem;
            accent-color: var(--primary-color);
            cursor: pointer;
        }
        
        .terms-label {
            color: var(--gray-light);
            font-size: 0.95rem;
            line-height: 1.5;
        }
        
        .terms-label a {
            color: var(--secondary-color);
            text-decoration: none;
            font-weight: 600;
        }
        
        .terms-label a:hover {
            text-decoration: underline;
        }
        
        /* Mobile menu */
        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 80px;
                right: -100%;
                flex-direction: column;
                background: rgba(26, 26, 46, 0.95);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                width: 100%;
                text-align: center;
                transition: 0.4s ease;
                box-shadow: 0 10px 30px rgba(0,0,0,0.3);
                padding: 2rem 0;
                gap: 2.5rem;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
            }
            
            .nav-menu.active {
                right: 0;
            }
            
            .hamburger {
                display: block;
            }
            
            .auth-card {
                padding: 2rem 1.5rem;
            }
            
            .auth-header h1 {
                font-size: 2rem;
            }
        }
        
        /* Loading animation for button */
        .btn-loading .btn-text {
            visibility: hidden;
            opacity: 0;
        }
        
        .btn-loading::after {
            content: "";
            position: absolute;
            width: 24px;
            height: 24px;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            margin: auto;
            border: 3px solid transparent;
            border-top-color: #fff;
            border-radius: 50%;
            animation: button-loading-spinner 1s ease infinite;
        }
        
        @keyframes button-loading-spinner {
            from {
                transform: rotate(0turn);
            }
            to {
                transform: rotate(1turn);
            }
        }
        
        /* Progress steps */
        .progress-steps {
            display: flex;
            justify-content: space-between;
            margin-bottom: 2rem;
            position: relative;
        }
        
        .progress-steps::before {
            content: "";
            position: absolute;
            top: 50%;
            right: 0;
            left: 0;
            height: 2px;
            background: rgba(255, 255, 255, 0.1);
            z-index: 1;
        }
        
        .progress-bar {
            position: absolute;
            top: 50%;
            right: 0;
            height: 2px;
            background: linear-gradient(to right, var(--secondary-color), var(--primary-color));
            z-index: 2;
            transition: width 0.4s ease;
        }
        
        .step {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gray-light);
            font-weight: 700;
            position: relative;
            z-index: 3;
            transition: all 0.3s ease;
        }
        
        .step.active {
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            color: white;
            box-shadow: 0 4px 10px rgba(67, 97, 238, 0.3);
        }
        
        .step.completed {
            background: var(--success);
            color: white;
        }
/* Enhanced Navbar styles */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(26, 26, 46, 0.95);
}

.navbar-container {
    padding: 1rem 0;
    position: relative;
}

/* Mobile menu toggle button */
.hamburger {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.3);
}

/* Enhanced mobile menu styles */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 30px;
        height: 21px;
    }
    
    .hamburger span {
        display: block;
        height: 3px;
        width: 100%;
        background: var(--text-light);
        border-radius: 3px;
        transition: all 0.3s ease;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: calc(100vh - 70px);
        background: rgba(26, 26, 46, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: flex-start;
        padding: 2rem;
        gap: 1.5rem;
        transition: right 0.4s ease-in-out;
        z-index: 1000;
        overflow-y: auto;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        width: 100%;
        padding: 0.75rem 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-link::after {
        display: none;
    }
    
    .nav-btn {
        width: 100%;
        text-align: center;
        margin-top: 1rem;
    }
}