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

        body {
            font-family: 'Inter', sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }

        /* Animated Background Shapes */
        .bg-shape {
            position: absolute;
            z-index: 0;
            opacity: 0.1;
            animation: float 20s infinite ease-in-out;
        }

        .shape-1 {
            top: 10%;
            left: -5%;
            width: 300px;
            height: 300px;
            background: white;
            border-radius: 50%;
            filter: blur(60px);
            animation-delay: 0s;
        }

        .shape-2 {
            bottom: 10%;
            right: -5%;
            width: 400px;
            height: 400px;
            background: white;
            border-radius: 50%;
            filter: blur(80px);
            animation-delay: 5s;
        }

        .shape-3 {
            top: 50%;
            left: 50%;
            width: 250px;
            height: 250px;
            background: white;
            border-radius: 50%;
            filter: blur(50px);
            animation-delay: 10s;
            transform: translate(-50%, -50%);
        }

        @keyframes float {
            0%, 100% {
                transform: translate(0, 0) scale(1);
            }
            33% {
                transform: translate(30px, -30px) scale(1.1);
            }
            66% {
                transform: translate(-20px, 20px) scale(0.9);
            }
        }

        /* Main Container */
        .register-container {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 40px 20px;
            position: relative;
            z-index: 1;
        }

        /* Register Card */
        .register-card {
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(10px);
            border-radius: 32px;
            padding: 48px;
            max-width: 520px;
            width: 100%;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
            animation: slideUp 0.6s ease-out;
            position: relative;
            overflow: hidden;
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(40px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Decorative Line */
        .register-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #667eea, #764ba2, #667eea);
        }

        /* Header */
        .register-header {
            text-align: center;
            margin-bottom: 32px;
        }

        .logo {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 36px;
            box-shadow: 0 10px 25px -5px rgba(102, 126, 234, 0.3);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.05);
            }
        }

        .register-header h1 {
            font-size: 28px;
            font-weight: 700;
            background: linear-gradient(135deg, #667eea, #764ba2);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 8px;
        }

        .register-header p {
            color: #6c757d;
            font-size: 14px;
        }

        /* Alert Messages */
        .alert {
            padding: 14px 18px;
            border-radius: 16px;
            margin-bottom: 24px;
            animation: slideDown 0.4s ease;
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .alert-success {
            background: linear-gradient(135deg, #d1fae5, #a7f3d0);
            color: #065f46;
            border-left: 4px solid #10b981;
        }

        .alert-error {
            background: linear-gradient(135deg, #fee2e2, #fecaca);
            color: #991b1b;
            border-left: 4px solid #ef4444;
        }

        .alert-icon {
            font-size: 20px;
        }

        /* Form Groups */
        .form-group {
            margin-bottom: 20px;
            position: relative;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #374151;
            font-size: 13px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .input-group {
            position: relative;
            display: flex;
            align-items: center;
        }

        .input-icon {
            position: absolute;
            left: 16px;
            color: #9ca3af;
            font-size: 18px;
            pointer-events: none;
            transition: all 0.3s;
            z-index: 1;
        }

        .form-group input {
            width: 100%;
            padding: 14px 16px 14px 48px;
            border: 2px solid #e5e7eb;
            border-radius: 16px;
            font-size: 15px;
            transition: all 0.3s;
            font-family: 'Inter', sans-serif;
            background: white;
        }

        .form-group input:focus {
            outline: none;
            border-color: #667eea;
            box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
        }

        .form-group input:focus + .input-icon {
            color: #667eea;
        }

        .form-group input.error {
            border-color: #ef4444;
        }

        /* Password Strength */
        .password-strength {
            margin-top: 8px;
        }

        .strength-meter {
            height: 4px;
            background: #e5e7eb;
            border-radius: 2px;
            overflow: hidden;
            margin-bottom: 6px;
        }

        .strength-fill {
            height: 100%;
            width: 0%;
            transition: width 0.3s, background 0.3s;
            border-radius: 2px;
        }

        .strength-text {
            font-size: 11px;
        }

        /* Password Requirements */
        .password-requirements {
            background: #f9fafb;
            border-radius: 12px;
            padding: 12px;
            margin-top: 10px;
            font-size: 11px;
        }

        .password-requirements ul {
            list-style: none;
            margin-top: 5px;
        }

        .password-requirements li {
            padding: 4px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .req-met {
            color: #10b981;
        }

        .req-unmet {
            color: #9ca3af;
        }

        /* Terms Checkbox */
        .terms-group {
            margin: 20px 0;
        }

        .checkbox-label {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            cursor: pointer;
            font-size: 13px;
            color: #4b5563;
            line-height: 1.5;
        }

        .checkbox-label input {
            width: 18px;
            height: 18px;
            margin-top: 2px;
            cursor: pointer;
            accent-color: #667eea;
        }

        .checkbox-label a {
            color: #667eea;
            text-decoration: none;
            font-weight: 500;
        }

        .checkbox-label a:hover {
            text-decoration: underline;
        }

        /* Register Button */
        .register-btn {
            width: 100%;
            padding: 14px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            border: none;
            border-radius: 16px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }

        .register-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px -5px rgba(102, 126, 234, 0.4);
        }

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

        .register-btn.loading {
            pointer-events: none;
            opacity: 0.7;
        }

        .register-btn.loading::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            top: 50%;
            right: 20px;
            margin-top: -10px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-top-color: white;
            border-radius: 50%;
            animation: spin 0.8s linear infinite;
        }

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

        /* Login Link */
        .login-section {
            text-align: center;
            margin-top: 24px;
            padding-top: 24px;
            border-top: 1px solid #e5e7eb;
        }

        .login-section p {
            color: #6c757d;
            font-size: 14px;
        }

        .login-link {
            color: #667eea;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
        }

        .login-link:hover {
            color: #764ba2;
            text-decoration: underline;
        }

        /* Features */
        .features {
            margin-top: 30px;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            justify-content: center;
        }

        .feature-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: #9ca3af;
        }

        /* Responsive */
        @media (max-width: 640px) {
            .register-card {
                padding: 32px 24px;
            }

            .logo {
                width: 55px;
                height: 55px;
                font-size: 28px;
            }

            .register-header h1 {
                font-size: 24px;
            }

            .form-group input {
                padding: 12px 16px 12px 44px;
                font-size: 16px;
            }

            .input-icon {
                font-size: 16px;
                left: 14px;
            }
        }