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

        body {
            font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: linear-gradient(135deg, #e6f7ff 0%, #f0f9f0 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            line-height: 1.6;
            color: #333;
            position: relative;
            overflow-x: hidden;
        }

        .bg-bubble {
            position: absolute;
            border-radius: 50%;
            background: rgba(46, 191, 145, 0.08);
            z-index: 0;
            animation: float 15s infinite ease-in-out;
        }

        .bubble-1 {
            width: 200px;
            height: 200px;
            top: 10%;
            left: 5%;
            animation-delay: 0s;
        }

        .bubble-2 {
            width: 150px;
            height: 150px;
            bottom: 15%;
            right: 8%;
            animation-delay: 2s;
        }

        .bubble-3 {
            width: 100px;
            height: 100px;
            top: 40%;
            right: 20%;
            animation-delay: 4s;
        }

        @keyframes float {

            0%,
            100% {
                transform: translateY(0) translateX(0);
            }

            25% {
                transform: translateY(-20px) translateX(10px);
            }

            50% {
                transform: translateY(10px) translateX(-15px);
            }

            75% {
                transform: translateY(-15px) translateX(-10px);
            }
        }

        .register-container {
            background: rgba(255, 255, 255, 0.95);
            border-radius: 20px;
            box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.15);
            overflow: hidden;
            width: 100%;
            max-width: 480px;
            animation: slideUp 0.6s ease-out;
            position: relative;
            z-index: 10;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .register-container:hover {
            transform: translateY(-5px);
            box-shadow: 0 40px 70px -25px rgba(0, 0, 0, 0.2);
        }

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

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .register-header {
            background: linear-gradient(135deg, #2EBF91 0%, #1a936f 100%);
            color: white;
            padding: 36px 20px 28px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .register-header::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 70%);
            transform: rotate(30deg);
            pointer-events: none;
        }

        .logo {
            width: 100px;
            height: 100px;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 50%;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 36px;
            font-weight: bold;
            backdrop-filter: blur(5px);
            border: 2px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 0 30px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
        }

        .logo:hover {
            transform: scale(1.05);
        }

        .logo img {
            width: 60px;
            height: 60px;
            object-fit: contain;
        }

        .register-header h1 {
            font-size: 2.2rem;
            margin-bottom: 8px;
            font-weight: 700;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }

        .register-header p {
            opacity: 0.85;
            font-size: 1.1rem;
            max-width: 320px;
            margin: 0 auto;
        }

        .register-form {
            padding: 32px 28px 28px;
        }

        .form-group {
            margin-bottom: 22px;
            position: relative;
            animation: fadeIn 0.5s ease forwards;
            opacity: 0;
        }

        .form-group:nth-child(1) {
            animation-delay: 0.2s;
        }

        .form-group:nth-child(2) {
            animation-delay: 0.3s;
        }

        .form-group:nth-child(3) {
            animation-delay: 0.4s;
        }

        .form-group:nth-child(4) {
            animation-delay: 0.5s;
        }

        .form-group:nth-child(5) {
            animation-delay: 0.6s;
        }

        @keyframes fadeIn {
            to {
                opacity: 1;
                transform: translateY(0);
            }

            from {
                opacity: 0;
                transform: translateY(10px);
            }
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: #2d3748;
            font-weight: 500;
            font-size: 0.95rem;
            padding-left: 8px;
        }

        .input-wrapper {
            position: relative;
        }

        .input-wrapper i {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: #718096;
            font-size: 18px;
            z-index: 2;
            transition: color 0.3s ease;
        }

        .form-group input {
            width: 100%;
            padding: 16px 16px 16px 50px;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            font-size: 1rem;
            transition: all 0.3s ease;
            background: #f8fafc;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.03);
            color: #1a202c;
        }

          .form-group select {
            width: 100%;
            padding: 16px 16px 16px 10px;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            font-size: 1rem;
            transition: all 0.3s ease;
            background: #f8fafc;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.03);
            color: #1a202c;
        }

        .form-group input.password-field {
            padding-right: 50px;
        }

        .form-group input:focus {
            outline: none;
            border-color: #2EBF91;
            background: white;
            box-shadow: 0 5px 15px rgba(46, 191, 145, 0.15);
        }

        .form-group input:focus+.input-wrapper i {
            color: #2EBF91;
        }

        .form-group input.error {
            border-color: #ff4757;
            background: #fff5f5;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }

        .checkbox-group {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 24px;
            padding: 8px;
            border-radius: 10px;
            background: #f8fafc;
            transition: background 0.3s ease;
        }

        .checkbox-group:hover {
            background: #f0f9f0;
        }

        .checkbox-group input[type="checkbox"] {
            width: 22px;
            height: 22px;
            margin: 4px 0 0 0;
            accent-color: #2EBF91;
            flex-shrink: 0;
            cursor: pointer;
        }

        .checkbox-group label {
            margin: 0;
            font-size: 0.9rem;
            line-height: 1.5;
            color: #4a5568;
            cursor: pointer;
        }

        .checkbox-group label a {
            color: #2EBF91;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.2s;
        }

        .checkbox-group label a:hover {
            text-decoration: underline;
            color: #239f74;
        }

        .register-btn {
            width: 100%;
            padding: 16px;
            background: linear-gradient(135deg, #2EBF91 0%, #1a936f 100%);
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 1.05rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(46, 191, 145, 0.3);
            letter-spacing: 0.5px;
        }

        .register-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(46, 191, 145, 0.4);
        }

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

        .register-btn::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: rgba(255, 255, 255, 0.1);
            transform: rotate(30deg);
            transition: all 0.5s ease;
            pointer-events: none;
        }

        .register-btn:hover::after {
            transform: rotate(30deg) translate(20%, 0);
        }

        .form-footer {
            text-align: center;
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid #e2e8f0;
        }

        .form-footer p {
            color: #4a5568;
            font-size: 0.95rem;
            margin-bottom: 10px;
        }

        .form-footer a {
            color: #2EBF91;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.2s;
        }

        .form-footer a:hover {
            text-decoration: underline;
            color: #239f74;
        }

        .error-message {
            color: #ff4757;
            font-size: 0.85rem;
            margin-top: 8px;
            display: none;
            padding-left: 8px;
            font-weight: 500;
            animation: fadeIn 0.3s ease;
        }

        .error-message.show {
            display: block;
        }

        .strength-meter {
            height: 6px;
            background: #e2e8f0;
            border-radius: 3px;
            margin-top: 10px;
            overflow: hidden;
            position: relative;
        }

        .strength-meter-fill {
            height: 100%;
            width: 0%;
            transition: all 0.4s ease;
            border-radius: 3px;
        }

        .strength-weak {
            background: linear-gradient(to right, #ff6b6b, #ff4757);
            width: 25%;
        }

        .strength-fair {
            background: linear-gradient(to right, #ffd166, #ffb142);
            width: 50%;
        }

        .strength-good {
            background: linear-gradient(to right, #51cf66, #2ed573);
            width: 75%;
        }

        .strength-strong {
            background: linear-gradient(to right, #1dd1a1, #10ac84);
            width: 100%;
        }

        .strength-text {
            font-size: 0.8rem;
            margin-top: 5px;
            font-weight: 500;
            text-align: right;
        }

        .strength-text.weak {
            color: #ff4757;
        }

        .strength-text.fair {
            color: #ffb142;
        }

        .strength-text.good {
            color: #2ed573;
        }

        .strength-text.strong {
            color: #10ac84;
        }

        .password-toggle {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            cursor: pointer;
            color: #718096;
            z-index: 3;
            background: none;
            border: none;
            font-size: 18px;
            transition: color 0.3s ease;
        }

        .password-toggle:hover {
            color: #2EBF91;
        }

        .optional {
            color: #718096;
            font-size: 0.85em;
            font-weight: normal;
        }

        /* Loading spinner */
        .spinner {
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 3px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            border-top-color: white;
            animation: spin 1s linear infinite;
            margin-right: 10px;
            vertical-align: middle;
        }

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

        /* Responsive styles */
        @media (max-width: 768px) {
            .form-row {
                grid-template-columns: 1fr;
                gap: 0;
            }

            .register-header {
                padding: 28px 16px 24px;
            }

            .logo {
                width: 80px;
                height: 80px;
            }

            .logo img {
                width: 50px;
                height: 50px;
            }

            .register-header h1 {
                font-size: 1.9rem;
            }

            .register-form {
                padding: 28px 20px 24px;
            }
        }

        @media (max-width: 480px) {
            body {
                padding: 15px;
            }

            .register-container {
                border-radius: 16px;
            }

            .register-header {
                padding: 24px 16px 20px;
            }

            .logo {
                width: 70px;
                height: 70px;
                margin-bottom: 16px;
            }

            .register-header h1 {
                font-size: 1.7rem;
            }

            .register-header p {
                font-size: 1rem;
            }

            .register-form {
                padding: 24px 16px 20px;
            }

            .form-group {
                margin-bottom: 18px;
            }

            .form-group input {
                padding: 14px 14px 14px 45px;
            }

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

            .password-toggle {
                right: 14px;
                font-size: 16px;
            }

            .checkbox-group label {
                font-size: 0.85rem;
            }
        }

        @media (max-height: 600px) and (orientation: landscape) {
            body {
                padding: 10px;
            }

            .register-header {
                padding: 20px 16px 16px;
            }

            .logo {
                width: 60px;
                height: 60px;
            }

            .register-header h1 {
                font-size: 1.6rem;
            }

            .register-header p {
                font-size: 0.9rem;
            }

            .register-form {
                padding: 20px 16px;
            }

            .form-group {
                margin-bottom: 16px;
            }
        }

        .fa-eye:before {
            content: "\f06e";
            position: absolute;
            right: 15px;
            top: -9px;
        }

        .fa-eye-slash:before {
            content: "\f070";
            position: absolute;
            right: 15px;
            top: -9px;
        }