body {
            font-family: 'Cairo', sans-serif;
            background: var(--body-bg);
            background-image: radial-gradient(at 0% 0%, var(--primary-light) 0, transparent 40%),
                              radial-gradient(at 50% 0%, rgba(139, 92, 246, 0.05) 0, transparent 50%),
                              radial-gradient(at 100% 0%, var(--primary-light) 0, transparent 40%);
            background-color: var(--body-bg);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            margin: 0;
            padding: 20px;
            box-sizing: border-box;
            transition: background-color 0.3s, color 0.3s;
            position: relative;
            overflow-x: hidden;
        }

        .register-glow {
            position: absolute;
            width: 450px;
            height: 450px;
            background: var(--primary);
            filter: blur(140px);
            opacity: 0.12;
            z-index: 1;
            pointer-events: none;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        .register-container {
            background: var(--card-bg);
            padding: 40px 35px;
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-xl);
            width: 100%;
            max-width: 550px;
            text-align: center;
            position: relative;
            z-index: 10;
            transition: var(--transition);
        }

        .register-container h2 {
            margin-bottom: 8px;
            color: var(--text-primary, #0f172a);
            font-size: 26px;
            font-weight: 800;
        }

        .register-container p.subtitle {
            color: var(--text-secondary, #64748b);
            font-size: 14px;
            margin-bottom: 30px;
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            text-align: right;
        }

        @media (max-width: 500px) {
            .form-grid {
                grid-template-columns: 1fr;
            }
        }

        .input-group {
            margin-bottom: 18px;
            text-align: right;
            position: relative;
        }

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

        @media (max-width: 500px) {
            .input-group.full-width {
                grid-column: span 1;
            }
        }

        .input-group label {
            display: block;
            margin-bottom: 6px;
            font-weight: 600;
            font-size: 13px;
            color: var(--text-primary, #0f172a);
        }

        .input-group input {
            width: 100%;
            padding: 12px 38px 12px 12px;
            border: 1px solid var(--border-color, #ccc);
            border-radius: 10px;
            box-sizing: border-box;
            transition: all 0.3s;
            font-size: 15px;
            background: var(--card-bg-2, #f8fafc);
            color: var(--text-primary, #0f172a);
            font-family: 'Cairo', sans-serif;
        }

        .input-group input:focus {
            border-color: var(--primary, #2563eb);
            outline: none;
            box-shadow: 0 0 0 3px var(--primary-glow);
        }

        .input-group > i {
            position: absolute;
            right: 12px;
            top: 38px;
            color: var(--text-muted, #9ca3af);
            font-size: 16px;
        }

        .register-btn {
            width: 100%;
            padding: 14px;
            border: none;
            border-radius: 12px;
            background: linear-gradient(90deg, #2563eb, #1d4ed8);
            color: white;
            font-size: 18px;
            font-weight: 700;
            cursor: pointer;
            margin-top: 15px;
            font-family: 'Cairo', sans-serif;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .register-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
        }

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

        .register-btn:disabled {
            background: #94a3b8;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        .error-message {
            color: #ef4444;
            font-weight: 600;
            font-size: 14px;
            min-height: 20px;
            margin-top: 10px;
            margin-bottom: 10px;
        }

        .success-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--card-bg, white);
            border-radius: 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            padding: 30px;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.4s ease;
            z-index: 20;
        }

        .success-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        .success-icon {
            width: 80px;
            height: 80px;
            background: var(--success-light, #d1fae5);
            color: var(--success, #10b981);
            font-size: 40px;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            margin-bottom: 20px;
            animation: scaleUp 0.5s ease;
        }

        @keyframes scaleUp {
            0% {
                transform: scale(0);
            }

            100% {
                transform: scale(1);
            }
        }

        .loader-spinner {
            border: 4px solid rgba(37, 99, 235, 0.1);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border-left-color: #2563eb;
            animation: spin 1s linear infinite;
            display: inline-block;
            vertical-align: middle;
            margin-left: 10px;
        }

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

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