* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 2rem;
            position: relative;
            overflow-x: hidden;
        }
        body::before {
            content: '';
            position: fixed;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
            animation: float 25s ease-in-out infinite;
            pointer-events: none;
        }

        body::after {
            content: '';
            position: fixed;
            bottom: 20%;
            left: -10%;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(72, 187, 120, 0.3) 0%, transparent 70%);
            border-radius: 50%;
            animation: pulse 10s ease-in-out infinite;
            pointer-events: none;
        }

        @keyframes float {
            0%, 100% { transform: translate(0, 0) rotate(0deg); }
            25% { transform: translate(40px, -30px) rotate(90deg); }
            50% { transform: translate(-30px, 40px) rotate(180deg); }
            75% { transform: translate(-40px, -30px) rotate(270deg); }
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1) rotate(0deg); opacity: 0.2; }
            50% { transform: scale(1.3) rotate(180deg); opacity: 0.5; }
        }

        .form-container {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            border-radius: 25px;
            padding: 3rem;
            width: 100%;
            max-width: 500px;
            box-shadow: 0 25px 80px rgba(0, 0, 0, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.3);
            position: relative;
            overflow: hidden;
            animation: slideUp 0.8s ease-out;
        }

        .form-container::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: linear-gradient(90deg, #667eea, #764ba2, #48bb78, #ed8936, #f56565);
            background-size: 400% 100%;
            animation: gradientMove 4s ease infinite;
        }

        .form-container::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(102, 126, 234, 0.05) 0%, transparent 70%);
            animation: rotate 20s linear infinite;
            pointer-events: none;
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(60px) scale(0.95);
            }
            to {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }

        @keyframes gradientMove {
            0%, 100% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
        }

        @keyframes rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        .header-section {
            text-align: center;
            margin-bottom: 2rem;
            position: relative;
            z-index: 1;
        }

        .logo-icon {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: linear-gradient(135deg, #48bb78, #38a169);
            margin: 0 auto 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            color: white;
            box-shadow: 0 10px 30px rgba(72, 187, 120, 0.3);
            animation: logoFloat 3s ease-in-out infinite;
        }

        @keyframes logoFloat {
            0%, 100% { transform: translateY(0px) rotate(0deg); }
            50% { transform: translateY(-10px) rotate(5deg); }
        }

        h1 {
            font-size: 2.5rem;
            font-weight: 700;
            background: linear-gradient(135deg, #667eea, #764ba2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 0.5rem;
        }

        .subtitle {
            color: #64748b;
            font-size: 1rem;
            margin-bottom: 1rem;
        }

        .error-message {
            background: linear-gradient(135deg, #fed7d7, #fbb6ce);
            color: #c53030;
            padding: 1rem;
            border-radius: 12px;
            margin-bottom: 1rem;
            border: 1px solid #fc8181;
            display: none;
            font-weight: 500;
            position: relative;
            z-index: 1;
            animation: shake 0.5s ease-in-out;
        }

        @keyframes shake {
            0%, 100% { transform: translateX(0); }
            25% { transform: translateX(-5px); }
            75% { transform: translateX(5px); }
        }

        form {
            position: relative;
            z-index: 1;
        }

        .form-group {
            position: relative;
            margin-bottom: 1.5rem;
        }

        .form-group.focused .input-icon {
            color: #667eea;
            transform: translateY(-50%) scale(1.1);
        }

        input, select {
            width: 100%;
            padding: 1rem 1.5rem 1rem 3rem;
            border: 2px solid #e2e8f0;
            border-radius: 15px;
            font-size: 1rem;
            transition: all 0.3s ease;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(10px);
            color: #2d3748;
        }

        input:focus, select:focus {
            outline: none;
            border-color: #667eea;
            box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
            transform: translateY(-2px);
        }

        select {
            cursor: pointer;
        }

        select option {
            background: white;
            color: #2d3748;
            padding: 0.5rem;
        }

        .input-icon {
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            color: #94a3b8;
            font-size: 1.2rem;
            pointer-events: none;
            transition: all 0.3s ease;
        }

        .form-group:nth-child(1) .input-icon::before { content: '👤'; }
        .form-group:nth-child(2) .input-icon::before { content: '📧'; }
        .form-group:nth-child(3) .input-icon::before { content: '🔒'; }
        .form-group:nth-child(4) .input-icon::before { content: '❓'; }
        .form-group:nth-child(5) .input-icon::before { content: '💬'; }

        .up {
            width: 100%;
            padding: 1rem 2rem;
            border: none;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            background: linear-gradient(135deg, #48bb78, #38a169);
            color: white;
            box-shadow: 0 10px 30px rgba(72, 187, 120, 0.3);
            position: relative;
            overflow: hidden;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin: 1rem 0;
        }

        .up::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left 0.5s;
        }

        .up:hover::before {
            left: 100%;
        }

        .up:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(72, 187, 120, 0.4);
        }

        .up:active {
            transform: translateY(-1px);
        }

        .up:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
        }

        .login-link {
            text-align: center;
            color: #64748b;
            font-size: 0.95rem;
            position: relative;
            z-index: 1;
            margin: 1rem 0;
        }

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

        .login-link a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, #667eea, #764ba2);
            transition: width 0.3s ease;
        }

        .login-link a:hover::after {
            width: 100%;
        }

        .login-link a:hover {
            color: #764ba2;
        }

        .divider {
            position: relative;
            text-align: center;
            margin: 1.5rem 0;
            z-index: 1;
        }

        .divider::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, #e2e8f0, transparent);
        }

        .divider span {
            background: rgba(255, 255, 255, 0.95);
            padding: 0 1rem;
            color: #64748b;
            font-size: 0.9rem;
        }

        .goo {
            width: 100%;
            padding: 1rem 2rem;
            border: 2px solid #e2e8f0;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            background: rgba(255, 255, 255, 0.9);
            color: #2d3748;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        .goo::before {
            content: '🌐';
            font-size: 1.2rem;
        }

        .goo:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            border-color: #667eea;
        }

        .loading-state {
            position: relative;
        }

        .loading-state::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 20px;
            height: 20px;
            margin: -10px 0 0 -10px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-top: 2px solid white;
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .strength-meter {
            margin-top: 0.5rem;
            height: 4px;
            background: #e2e8f0;
            border-radius: 2px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .strength-fill {
            height: 100%;
            width: 0%;
            transition: all 0.3s ease;
            background: linear-gradient(90deg, #f56565, #ed8936, #48bb78);
        }

        .form-step {
            opacity: 1;
            transform: translateX(0);
            transition: all 0.5s ease;
        }

        @media (max-width: 768px) {
            .form-container {
                padding: 2rem;
                margin: 1rem;
            }
            
            h1 {
                font-size: 2rem;
            }
            
            .logo-icon {
                width: 60px;
                height: 60px;
                font-size: 2rem;
            }
            
            input, select {
                padding: 0.8rem 1.2rem 0.8rem 2.5rem;
            }
        }

        /* Custom scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }

        ::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.1);
        }

        ::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.3);
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: rgba(255, 255, 255, 0.5);
        }

        .success-checkmark {
            display: none;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: linear-gradient(135deg, #48bb78, #38a169);
            margin: 0 auto 1rem;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            color: white;
            animation: checkmarkPop 0.6s ease-out;
        }

        @keyframes checkmarkPop {
            0% { transform: scale(0) rotate(0deg); }
            50% { transform: scale(1.2) rotate(180deg); }
            100% { transform: scale(1) rotate(360deg); }
        }