:root {
            /* Paleta de colores anaranjados */
            --primary-orange: #F39C12;
            --primary-orange-light: #FF8A5C;
            --primary-orange-dark: #E85A2B;
            --secondary-orange: #FFB07F;
            --accent-orange: #FF9F43;
            
            /* Colores complementarios */
            --white: #FFFFFF;
            --light-gray: #F8F9FA;
            --medium-gray: #E9ECEF;
            --dark-gray: #6C757D;
            --text-primary: #2D3436;
            --text-secondary: #636E72;
            
            /* Colores de estado */
            --success: #00B894;
            --warning: #FDCB6E;
            --danger: #E17055;
            --info: #74B9FF;
            
            /* Sombras y efectos */
            --shadow-light: 0 2px 12px rgba(255, 107, 53, 0.1);
            --shadow-medium: 0 4px 20px rgba(255, 107, 53, 0.15);
            --shadow-heavy: 0 8px 30px rgba(255, 107, 53, 0.2);
            --border-radius: 12px;
            --border-radius-small: 8px;
            
            /* Transiciones */
            --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-medium: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #FF8C00 0%, #FFD700 40%, #D4AF37 80%, #FF8C00 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            position: relative;
            overflow-x: hidden;
        }

        /* Animación de fondo flotante */
        body::before {
            content: '';
            position: absolute;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.15) 0%, transparent 50%),
                        radial-gradient(circle at 40% 40%, rgba(255, 159, 67, 0.1) 0%, transparent 50%);
            animation: floatingBackground 10s ease-in-out infinite;
            z-index: 0;
        }

        @keyframes floatingBackground {
            0%, 100% { transform: translate(-50%, -50%) rotate(0deg); }
            33% { transform: translate(-48%, -52%) rotate(120deg); }
            66% { transform: translate(-52%, -48%) rotate(240deg); }
        }

        .form-container {
            background: var(--white);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-heavy);
            padding: 40px;
            width: 100%;
            max-width: 450px;
            position: relative;
            z-index: 1;
            animation: slideInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
            overflow: hidden;
        }

        .form-container::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-orange), var(--accent-orange), var(--primary-orange-light));
            animation: shimmer 3s ease-in-out infinite;
        }

        @keyframes slideInUp {
            from {
                opacity: 0;
                transform: translateY(50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes shimmer {
            0%, 100% { background-position: -200% center; }
            50% { background-position: 200% center; }
        }

        .form-container h1 {
            color: var(--text-primary);
            font-size: 2rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 30px;
            position: relative;
        }

        .form-container h1::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary-orange), var(--accent-orange));
            border-radius: 2px;
            animation: pulse 2s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% { width: 60px; opacity: 1; }
            50% { width: 80px; opacity: 0.7; }
        }

        .message {
            padding: 12px 16px;
            border-radius: var(--border-radius-small);
            margin-bottom: 20px;
            font-weight: 500;
            animation: fadeInDown 0.5s ease-out;
        }

        .error-message {
            background-color: rgba(225, 112, 85, 0.1);
            border: 1px solid var(--danger);
            color: var(--danger);
        }

        .success-message {
            background-color: rgba(0, 184, 148, 0.1);
            border: 1px solid var(--success);
            color: var(--success);
        }

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

        .input-group {
            margin-bottom: 20px;
            position: relative;
        }

        .input-group label {
            display: block;
            color: var(--text-primary);
            font-weight: 600;
            margin-bottom: 8px;
            font-size: 0.9rem;
            transition: var(--transition-fast);
        }

        .input-group input {
            width: 100%;
            padding: 14px 16px;
            border: 2px solid var(--medium-gray);
            border-radius: var(--border-radius-small);
            font-size: 1rem;
            transition: var(--transition-medium);
            background: var(--light-gray);
            color: var(--text-primary);
            position: relative;
        }

        .input-group input:focus {
            outline: none;
            border-color: var(--primary-orange);
            background: var(--white);
            box-shadow: 0 0 0 3px rgba(243, 156, 18, 0.1);
            transform: translateY(-2px);
        }

        .input-group input:focus + .input-animation {
            transform: scaleX(1);
        }

        .input-group::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary-orange), var(--accent-orange));
            transform: scaleX(0);
            transition: var(--transition-medium);
            border-radius: 1px;
        }

        .input-group:focus-within::after {
            transform: scaleX(1);
        }

        .input-group:focus-within label {
            color: var(--primary-orange);
        }

        .submit-button {
            width: 100%;
            background: linear-gradient(45deg, #FFD700, var(--primary-orange), var(--accent-orange));
            color: var(--white);
            border: none;
            padding: 16px;
            border-radius: var(--border-radius-small);
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-medium);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-medium);
        }

        .submit-button::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 ease;
        }

        .submit-button:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-heavy);
            background: linear-gradient(45deg, var(--primary-orange-dark), var(--primary-orange));
        }

        .submit-button:hover::before {
            left: 100%;
        }

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

        .link {
            text-align: center;
            margin-top: 25px;
            animation: fadeIn 1s ease-out 0.5s both;
        }

        .link p {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        .link a {
            color: var(--primary-orange);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition-fast);
            position: relative;
        }

        .link a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-orange);
            transition: var(--transition-fast);
        }

        .link a:hover {
            color: var(--primary-orange-dark);
        }

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

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        /* Animaciones de entrada para cada campo */
        .input-group:nth-child(1) { animation: slideInLeft 0.6s ease-out 0.1s both; }
        .input-group:nth-child(2) { animation: slideInRight 0.6s ease-out 0.2s both; }
        .input-group:nth-child(3) { animation: slideInLeft 0.6s ease-out 0.3s both; }
        .input-group:nth-child(4) { animation: slideInRight 0.6s ease-out 0.4s both; }
        .input-group:nth-child(5) { animation: slideInLeft 0.6s ease-out 0.5s both; }

        @keyframes slideInLeft {
            from {
                opacity: 0;
                transform: translateX(-30px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @keyframes slideInRight {
            from {
                opacity: 0;
                transform: translateX(30px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        .submit-button {
            animation: bounceIn 0.8s ease-out 0.6s both;
        }

        @keyframes bounceIn {
            0% {
                opacity: 0;
                transform: scale(0.3);
            }
            50% {
                opacity: 1;
                transform: scale(1.05);
            }
            70% {
                transform: scale(0.9);
            }
            100% {
                opacity: 1;
                transform: scale(1);
            }
        }

        /* Efectos de hover mejorados */
        .input-group input:hover {
            border-color: var(--secondary-orange);
            background: var(--white);
        }

        /* Responsive */
        @media (max-width: 480px) {
            .form-container {
                padding: 30px 20px;
                margin: 10px;
            }
            
            .form-container h1 {
                font-size: 1.7rem;
            }
        }

        /* Partículas flotantes */
        .floating-particles {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 0;
        }

        .particle {
            position: absolute;
            background: rgba(255, 159, 67, 0.1);
            border-radius: 50%;
            animation: float 6s ease-in-out infinite;
        }

        .particle:nth-child(1) {
            width: 20px;
            height: 20px;
            top: 20%;
            left: 20%;
            animation-delay: 0s;
        }

        .particle:nth-child(2) {
            width: 15px;
            height: 15px;
            top: 60%;
            left: 80%;
            animation-delay: 2s;
        }

        .particle:nth-child(3) {
            width: 25px;
            height: 25px;
            top: 80%;
            left: 10%;
            animation-delay: 4s;
        }

        @keyframes float {
            0%, 100% {
                transform: translateY(0px) rotate(0deg);
                opacity: 0.3;
            }
            50% {
                transform: translateY(-20px) rotate(180deg);
                opacity: 0.8;
            }
        }