:root {
            --primary: #4361ee;
            --primary-dark: #3a56d4;
            --secondary: #7209b7;
            --success: #4cc9f0;
            --danger: #f72585;
            --warning: #ff9e00;
            --light: #f8f9fa;
            --dark: #212529;
            --gray: #6c757d;
            --light-gray: #e9ecef;
            --border-radius: 10px;
            --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            --box-shadow-dark: 0 5px 15px rgba(0, 0, 0, 0.3);
            --transition: all 0.3s ease;
        }

        [data-theme="dark"] {
            --primary: #5a76ff;
            --primary-dark: #4a66e8;
            --secondary: #8a2be2;
            --success: #5cd9ff;
            --danger: #ff2d95;
            --warning: #ffb142;
            --light: #000000;
            --dark: #f8f9fa;
            --gray: #adb5bd;
            --light-gray: #2d3246;
            --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Poppins', sans-serif;
        }

        body {
            background-color: var(--light);
            color: var(--dark);
            line-height: 1.6;
            transition: var(--transition);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

        /* Header Styles */
        header {
            background-color: var(--light);
            box-shadow: var(--box-shadow);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: var(--transition);
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--primary);
            text-decoration: none;
        }

        .logo i {
            font-size: 1.8rem;
        }

        .header-controls {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .language-switcher {
            display: flex;
            align-items: center;
            gap: 5px;
            background-color: var(--light-gray);
            border-radius: 20px;
            padding: 5px;
        }

        .language-btn {
            padding: 6px 12px;
            border-radius: 15px;
            background-color: transparent;
            border: none;
            cursor: pointer;
            font-weight: 500;
            transition: var(--transition);
            color: var(--dark);
        }

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

        .language-btn:hover:not(.active) {
            background-color: rgba(67, 97, 238, 0.2);
        }

        .theme-toggle {
            background-color: var(--light-gray);
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--dark);
            transition: var(--transition);
        }

        .theme-toggle:hover {
            background-color: var(--primary);
            color: white;
        }

        .theme-toggle i {
            font-size: 1.2rem;
        }

        /* Auth Container */
        .auth-container {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 40px 20px;
        }

        .auth-wrapper {
            width: 100%;
            max-width: 450px;
        }

        .auth-box {
            background-color: var(--light);
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            padding: 40px;
            border: 1px solid var(--light-gray);
            transition: var(--transition);
        }

        .auth-header {
            text-align: center;
            margin-bottom: 30px;
        }

        .auth-icon {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 2rem;
        }

        .auth-title {
            font-size: 1.8rem;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .auth-subtitle {
            color: var(--gray);
            font-size: 0.95rem;
        }

        /* Form Styles */
        .form-group {
            margin-bottom: 20px;
        }

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: var(--dark);
            font-size: 0.95rem;
        }

        .input-with-icon {
            position: relative;
        }

        .form-control {
            width: 100%;
            padding: 14px 15px 14px 45px;
            border-radius: 8px;
            border: 1px solid var(--light-gray);
            background-color: var(--light);
            color: var(--dark);
            transition: var(--transition);
            font-size: 0.95rem;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
        }

        .input-icon {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--gray);
            font-size: 1.1rem;
        }

        .password-toggle {
            position: absolute;
            right: 15px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: var(--gray);
            cursor: pointer;
            font-size: 1.1rem;
        }

        .password-toggle:hover {
            color: var(--primary);
        }

        .form-text {
            font-size: 0.85rem;
            color: var(--gray);
            margin-top: 6px;
        }

        .password-strength {
            margin-top: 10px;
        }

        .strength-meter {
            height: 6px;
            background-color: var(--light-gray);
            border-radius: 3px;
            margin-bottom: 5px;
            overflow: hidden;
        }

        .strength-fill {
            height: 100%;
            width: 0%;
            border-radius: 3px;
            transition: var(--transition);
        }

        .strength-fill.weak {
            background-color: var(--danger);
            width: 33%;
        }

        .strength-fill.medium {
            background-color: var(--warning);
            width: 66%;
        }

        .strength-fill.strong {
            background-color: var(--success);
            width: 100%;
        }

        .strength-text {
            font-size: 0.8rem;
            text-align: right;
        }

        /* Role Selection */
        .role-selection {
            display: flex;
            gap: 10px;
            margin-bottom: 20px;
        }

        .role-option {
            flex: 1;
            text-align: center;
            padding: 15px;
            border: 2px solid var(--light-gray);
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
        }

        .role-option:hover {
            border-color: var(--primary);
            background-color: rgba(67, 97, 238, 0.05);
        }

        .role-option.selected {
            border-color: var(--primary);
            background-color: rgba(67, 97, 238, 0.1);
        }

        .role-icon {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .role-title {
            font-weight: 600;
            margin-bottom: 5px;
            color: var(--dark);
        }

        .role-desc {
            font-size: 0.85rem;
            color: var(--gray);
        }

        /* Terms & Conditions */
        .terms-group {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 20px;
        }

        .terms-checkbox {
            margin-top: 3px;
        }

        .terms-label {
            font-size: 0.9rem;
            color: var(--dark);
        }

        .terms-link {
            color: var(--primary);
            text-decoration: none;
        }

        .terms-link:hover {
            text-decoration: underline;
        }

        /* Buttons */
        .btn {
            padding: 14px 20px;
            border-radius: 8px;
            border: none;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 1rem;
            width: 100%;
        }

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

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

        .btn-secondary {
            background-color: var(--light-gray);
            color: var(--dark);
        }

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

        /* Auth Links */
        .auth-links {
            text-align: center;
            margin-top: 25px;
            padding-top: 25px;
            border-top: 1px solid var(--light-gray);
        }

        .auth-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
        }

        .auth-link:hover {
            text-decoration: underline;
        }

        /* Password Reset Specific */
        .reset-info {
            background-color: rgba(76, 201, 240, 0.1);
            border-left: 4px solid var(--success);
            padding: 15px;
            border-radius: 4px;
            margin-bottom: 20px;
        }

        .reset-info p {
            font-size: 0.9rem;
            color: var(--dark);
            margin-bottom: 5px;
        }

        .reset-info ul {
            padding-left: 20px;
            font-size: 0.85rem;
            color: var(--gray);
        }

        .reset-info li {
            margin-bottom: 3px;
        }

        .token-input-group {
            display: flex;
            gap: 10px;
        }

        .token-input {
            flex: 1;
            font-family: monospace;
            letter-spacing: 2px;
            text-align: center;
        }

        .btn-token {
            width: auto;
            padding: 14px 20px;
            white-space: nowrap;
        }

        /* Footer */
        footer {
            text-align: center;
            padding: 20px 0;
            color: var(--gray);
            font-size: 0.9rem;
            border-top: 1px solid var(--light-gray);
            margin-top: 20px;
            transition: var(--transition);
        }

        /* Alert Messages */
        .alert {
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 20px;
            font-size: 0.95rem;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .alert i {
            font-size: 1.2rem;
            margin-top: 2px;
        }

        .alert-success {
            background-color: rgba(76, 201, 240, 0.1);
            border-left: 4px solid var(--success);
            color: var(--dark);
        }

        .alert-warning {
            background-color: rgba(255, 158, 0, 0.1);
            border-left: 4px solid var(--warning);
            color: var(--dark);
        }

        .alert-danger {
            background-color: rgba(247, 37, 133, 0.1);
            border-left: 4px solid var(--danger);
            color: var(--dark);
        }

        /* Auth Tabs */
        .auth-tabs {
            display: flex;
            margin-bottom: 30px;
            border-bottom: 1px solid var(--light-gray);
        }

        .auth-tab {
            flex: 1;
            text-align: center;
            padding: 15px;
            background: none;
            border: none;
            border-bottom: 3px solid transparent;
            font-weight: 500;
            color: var(--gray);
            cursor: pointer;
            transition: var(--transition);
            font-size: 1rem;
        }

        .auth-tab.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }

        .auth-tab:hover:not(.active) {
            color: var(--dark);
        }

        .auth-content {
            display: none;
        }

        .auth-content.active {
            display: block;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .auth-box {
                padding: 30px 25px;
            }
            
            .header-content {
                flex-direction: column;
                gap: 15px;
            }
            
            .header-controls {
                width: 100%;
                justify-content: space-between;
            }
            
            .role-selection {
                flex-direction: column;
            }
        }

        @media (max-width: 480px) {
            .auth-box {
                padding: 25px 20px;
            }
            
            .auth-title {
                font-size: 1.5rem;
            }
        }