:root {
            --primary: #6366f1;
            --primary-hover: #4f46e5;
            --primary-glow: rgba(99, 102, 241, 0.4);
            --bg-gradient: radial-gradient(circle at 50% 50%, #0f172a 0%, #020617 100%);
            --card-bg: rgba(30, 41, 59, 0.45);
            --card-border: rgba(255, 255, 255, 0.08);
            --text-main: #f8fafc;
            --text-muted: #94a3b8;
            --error-color: #ef4444;
            --success-color: #10b981;
            --input-bg: rgba(15, 23, 42, 0.6);
            --input-border: rgba(255, 255, 255, 0.1);
            --input-focus: #818cf8;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            font-family: 'Outfit', sans-serif;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        body {
            background: var(--bg-gradient);
            color: var(--text-main);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow-x: hidden;
            position: relative;
            padding: 40px 20px;
        }

        /* Ambient backgrounds */
        body::before, body::after {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            filter: blur(140px);
            z-index: 0;
            opacity: 0.15;
            pointer-events: none;
        }

        body::before {
            background: var(--primary);
            top: 10%;
            right: 15%;
        }

        body::after {
            background: #06b6d4;
            bottom: 10%;
            left: 15%;
        }

        .container {
            z-index: 10;
            width: 100%;
            max-width: 550px;
        }

        .register-card {
            background: var(--card-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--card-border);
            border-radius: 28px;
            padding: 40px;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
            position: relative;
            overflow: hidden;
        }

        .register-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #06b6d4, var(--primary));
        }

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

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 60px;
            height: 60px;
            border-radius: 16px;
            background: linear-gradient(135deg, #06b6d4 0%, var(--primary) 100%);
            box-shadow: 0 10px 20px rgba(6, 182, 212, 0.3);
            margin-bottom: 16px;
        }

        .logo-icon svg {
            width: 30px;
            height: 30px;
            fill: #fff;
        }

        .logo-icon img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 16px;
        }

        .title {
            font-size: 28px;
            font-weight: 700;
            background: linear-gradient(135deg, #ffffff 0%, #94a3b8 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 6px;
        }

        .subtitle {
            font-size: 14px;
            color: var(--text-muted);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 24px;
        }

        @media (max-width: 480px) {
            .form-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        .form-group {
            position: relative;
        }

        .form-group.full-width {
            grid-column: span 2;
        }

        @media (max-width: 480px) {
            .form-group.full-width {
                grid-column: span 1;
            }
        }

        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            margin-bottom: 8px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .input-wrapper {
            position: relative;
        }

        .input-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            pointer-events: none;
            display: flex;
            align-items: center;
        }

        .input-icon svg {
            width: 18px;
            height: 18px;
        }

        .form-input {
            width: 100%;
            background: var(--input-bg);
            border: 1px solid var(--input-border);
            border-radius: 14px;
            padding: 13px 16px 13px 44px;
            font-size: 15px;
            color: var(--text-main);
            outline: none;
        }

        .form-input:focus {
            border-color: var(--input-focus);
            background: rgba(15, 23, 42, 0.8);
            box-shadow: 0 0 0 4px var(--primary-glow);
        }

        .form-select {
            width: 100%;
            background: var(--input-bg);
            border: 1px solid var(--input-border);
            border-radius: 14px;
            padding: 13px 16px 13px 44px;
            font-size: 15px;
            color: var(--text-main);
            outline: none;
            appearance: none;
            cursor: pointer;
        }

        .form-select:focus {
            border-color: var(--input-focus);
            background: rgba(15, 23, 42, 0.8);
            box-shadow: 0 0 0 4px var(--primary-glow);
        }

        /* Dropdown arrow */
        .select-wrapper::after {
            content: '▼';
            font-size: 10px;
            color: var(--text-muted);
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            pointer-events: none;
        }

        .alert {
            padding: 12px 16px;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 24px;
            display: none;
            animation: slideDown 0.3s ease;
        }

        .alert-error {
            background: rgba(239, 68, 68, 0.15);
            border: 1px solid rgba(239, 68, 68, 0.3);
            color: #fca5a5;
        }

        .alert-success {
            background: rgba(16, 185, 129, 0.15);
            border: 1px solid rgba(16, 185, 129, 0.3);
            color: #a7f3d0;
        }

        .submit-btn {
            width: 100%;
            background: linear-gradient(135deg, #06b6d4 0%, var(--primary) 100%);
            border: none;
            border-radius: 14px;
            padding: 15px;
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            box-shadow: 0 10px 20px rgba(6, 182, 212, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }

        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(6, 182, 212, 0.45);
        }

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

        .footer-text {
            text-align: center;
            margin-top: 30px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .footer-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
        }

        .footer-link:hover {
            text-decoration: underline;
            color: #818cf8;
        }

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

        /* Spinner for loading state */
        .spinner {
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-top-color: #fff;
            border-radius: 50%;
            animation: spin 0.8s linear infinite;
            display: none;
        }

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

        /* Email Verification Controls */
        .email-input-container, .code-input-container {
            display: flex;
            gap: 12px;
            align-items: center;
            width: 100%;
        }
        
        .email-input-container .input-wrapper, .code-input-container .input-wrapper {
            flex: 1;
        }

        .verify-btn {
            background: linear-gradient(135deg, var(--primary) 0%, #4f46e5 100%);
            border: none;
            border-radius: 14px;
            padding: 13px 20px;
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            white-space: nowrap;
            box-shadow: 0 4px 12px var(--primary-glow);
            transition: all 0.3s ease;
        }

        .verify-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(99, 102, 241, 0.5);
        }

        .verify-btn:disabled {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-muted);
            cursor: not-allowed;
            box-shadow: none;
            transform: none;
        }

        .confirm-btn {
            background: linear-gradient(135deg, #06b6d4 0%, var(--primary) 100%);
            border: none;
            border-radius: 14px;
            padding: 13px 20px;
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            white-space: nowrap;
            box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
            transition: all 0.3s ease;
        }

        .confirm-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(6, 182, 212, 0.5);
        }

        .confirm-btn:disabled {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-muted);
            cursor: not-allowed;
            box-shadow: none;
            transform: none;
        }

        .email-verified-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            color: #10b981;
            background: rgba(16, 185, 129, 0.15);
            padding: 4px 10px;
            border-radius: 99px;
            font-weight: 600;
            margin-left: 8px;
            vertical-align: middle;
            animation: slideDown 0.3s ease;
        }

        .email-verified-badge svg {
            width: 14px;
            height: 14px;
        }