:root {
    /* Colores principales */
    --primary-color: #2a5555;
    --secondary-color: #3c7373;
    --accent-color: #4fc3f7;
    
    /* Variables esenciales */
    --bg-container: rgba(255, 255, 255, 0.98);
    --text-dark: #2c3e50;
    --text-light: #ffffff;
    --text-muted: #95a5a6;
    
    /* Estados */
    --success-color: #4caf50;
    --error-color: #f44336;
    
    /* Transiciones y animaciones */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --input-border-width: 2px;
    --focus-shadow: 0 0 0 3px rgba(42, 85, 85, 0.2);
    --error-shadow: 0 0 0 3px rgba(244, 67, 54, 0.2);
}

/* Reset y estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: linear-gradient(135deg, var(--primary-color) 50%, var(--secondary-color) 50%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    color: var(--text-light);
}

.container {
    background: var(--bg-container);
    padding: 2.5rem;
    border-radius: 15px;
    width: 100%;
    max-width: 800px;
    color: var(--text-dark);
    box-shadow: 
        0 8px 32px rgba(31, 38, 135, 0.15),
        0 2px 8px rgba(0, 0, 0, 0.1),
        inset 0 0 0 1px rgba(255, 255, 255, 0.5);
    transition: var(--transition-base);
    backdrop-filter: blur(5px);
}

/* Formulario */
.form-group {
    background: #ffffff;
    border: var(--input-border-width) solid rgba(42, 85, 85, 0.1);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 2.5rem; /* Aumentado para dar más espacio al mensaje de error */
    position: relative;
    transition: all 0.3s ease;
    box-shadow: 
        0 2px 4px rgba(0, 0, 0, 0.02),
        0 1px 2px rgba(0, 0, 0, 0.03),
        inset 0 0 0 1px rgba(255, 255, 255, 0.2);
}

.form-group:focus-within {
    transform: translateY(-2px);
    box-shadow: 
        0 4px 8px rgba(0, 0, 0, 0.05),
        0 2px 4px rgba(0, 0, 0, 0.05),
        inset 0 0 0 1px rgba(255, 255, 255, 0.3);
}

.form-group label {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: #fff;
    padding: 0 0.5rem;
    color: var(--text-muted);
    transition: var(--transition-base);
    pointer-events: none;
}

.form-group:focus-within label,
.form-group.has-value label {
    top: 0;
    transform: translateY(-50%) scale(0.85);
    color: var(--primary-color);
}

input:-webkit-autofill {
    background-color: transparent !important;
    color: black !important;
}

input, select {
    width: 100%;
    padding: 0.75rem;
    border: none;
    background: transparent;
    color: var(--text-dark);
}

/* Estados de validación */
.form-group.error {
    border-color: var(--error-color);
    box-shadow: var(--error-shadow);
    animation: shake 0.5s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

.form-group.valid input,
.form-group.valid select {
    border-color: var(--success-color);
}

.form-group:not(.touched) .error-message {
    display: none;
}

.form-group:not(.touched) input,
.form-group:not(.touched) select {
    border-color: rgba(42, 85, 85, 0.1);
}

.error-message {
    position: absolute;
    left: 1rem; /* Cambiado para alinear con el input */
    bottom: -1.8rem;
    font-size: 0.75rem;
    color: var(--error-color);
    padding: 0.25rem 0;
    border-radius: 4px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-5px);
    transition: all 0.3s ease;
    z-index: 1; /* Asegurar que esté por encima */
    width: calc(100% - 2rem); /* Ancho controlado */
}

.form-group.error .error-message {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    display: block !important;
}

.form-group.error input,
.form-group.error select {
    border-color: var(--error-color);
}

@keyframes shake {
    10%, 90% { transform: translateX(-1px); }
    20%, 80% { transform: translateX(2px); }
    30%, 50%, 70% { transform: translateX(-4px); }
    40%, 60% { transform: translateX(4px); }
}

/* Estilo específico para el grupo del checkbox */
.checkbox-group {
    background: transparent !important;
    border: none !important;
    padding: 0.5rem !important;
    margin: 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.checkbox-group:hover {
    transform: none;
    box-shadow: none;
}

.checkbox-group label {
    position: static !important;
    transform: none !important;
    padding: 0 !important;
    color: var(--text-dark) !important;
    font-size: 0.9rem;
    background: none !important;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
    cursor: pointer;
    margin: 0;
}

.checkbox-group .policy-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    text-shadow: 0 1px 1px rgba(255, 255, 255, 0.5);
    position: relative;
}

.checkbox-group .policy-link:after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--primary-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.checkbox-group .policy-link:hover:after {
    transform: scaleX(1);
}

.checkbox-group .policy-link:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

.checkbox-group.error {
    padding-bottom: 1.5rem !important;
    margin-bottom: 2rem; /* Espacio para el mensaje de error */
}

.checkbox-group .error-message {
    bottom: -1.5rem;
    left: 2.5rem; /* Alineado con el texto del checkbox */
    font-size: 0.75rem;
}

/* Botón submit */
button[type="submit"] {
    width: 100%;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-light);
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 
        0 4px 15px rgba(42, 85, 85, 0.2),
        0 2px 4px rgba(0, 0, 0, 0.1),
        inset 0 -2px 0 rgba(0, 0, 0, 0.1);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

button[type="submit"]:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 
        0 6px 20px rgba(42, 85, 85, 0.3),
        0 4px 8px rgba(0, 0, 0, 0.1),
        inset 0 -2px 0 rgba(0, 0, 0, 0.1);
}

button[type="submit"]:active:not(:disabled) {
    transform: translateY(1px);
    box-shadow: 
        0 2px 10px rgba(42, 85, 85, 0.2),
        0 1px 2px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(0, 0, 0, 0.1);
}

button[type="submit"]:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    background: linear-gradient(135deg, #ccc, #999);
}

/* Spinner y overlay */
.spinner-overlay {
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, rgba(42, 85, 85, 0.97), rgba(60, 115, 115, 0.97));
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    backdrop-filter: blur(8px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.spinner-overlay.active {
    opacity: 1;
}

/* Estilos del loader */
.loader {
    width: 48px;  /* Aumentado de 32px */
    height: 135px; /* Aumentado de 90px */
    display: block;
    margin: 20px auto;
    position: relative;
    border-radius: 50% 50% 0 0;
    border-bottom: 15px solid #FF3D00; /* Aumentado de 10px y restaurado color */
    background-color: #FFF;
    background-image: 
        radial-gradient(
            ellipse at center, 
            #FFF 34%, 
            #FF3D00 35%, 
            #FF3D00 54%, 
            #FFF 55%
        ),
        linear-gradient(#FF3D00 15px, transparent 0); /* Aumentado de 10px */
    background-size: 42px 42px; /* Aumentado de 28px */
    background-position: center 30px, center 3px; /* Ajustado posición */
    background-repeat: no-repeat;
    box-sizing: border-box;
    animation: animloaderBack 1s linear infinite alternate;
}

.loader::before {
    content: '';  
    box-sizing: border-box;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 96px;  /* Aumentado de 64px */
    height: 66px; /* Aumentado de 44px */
    border-radius: 50%;
    box-shadow: 0px 22px #FF3D00 inset; /* Aumentado de 15px */
    top: 100px;  /* Aumentado de 67px */
}

.loader::after {
    content: '';  
    position: absolute;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 51px;  /* Aumentado de 34px */
    height: 51px; /* Aumentado de 34px */
    top: 112%;
    background: radial-gradient(
        ellipse at center, 
        #ffdf00 8%, 
        rgba(249, 62, 0, 0.6) 24%, 
        rgba(0, 0, 0, 0) 100%
    );
    border-radius: 50% 50% 0;
    background-repeat: no-repeat;
    background-position: -66px -66px; /* Aumentado de -44px */
    background-size: 150px 150px; /* Aumentado de 100px */
    box-shadow: 4px 4px 12px 0px rgba(255, 61, 0, 0.5);
    animation: animloader 1s linear infinite alternate;
}

@keyframes animloaderBack {
    0%, 30%, 70% {
        transform: translateY(0px);
    }
    20%, 40%, 100% {
        transform: translateY(-8px); /* Aumentado de -5px */
    }
}

@keyframes animloader {
    0% {
        box-shadow: 6px 6px 18px 3px rgba(255, 61, 0, 0.75); /* Aumentado */
        width: 51px;  /* Aumentado de 34px */
        height: 51px; /* Aumentado de 34px */
        background-position: -66px -66px; /* Aumentado de -44px */
        background-size: 150px 150px; /* Aumentado de 100px */
    }
    100% {
        box-shadow: 3px 3px 12px 0px rgba(255, 61, 0, 0.5);
        width: 45px;  /* Aumentado de 30px */
        height: 42px; /* Aumentado de 28px */
        background-position: -54px -54px; /* Aumentado de -36px */
        background-size: 120px 120px; /* Aumentado de 80px */
    }
}

/* Estado deshabilitado del formulario */
.form-disabled {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

h2 {
    color: var(--primary-color);
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 1rem;
    text-align: center;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h2::before {
    content: 'Formulario';
    position: absolute;
    top: -0.8rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

@media (max-width: 576px) {
    h2 {
        font-size: 1.75rem;
        margin-bottom: 1.5rem;
    }

    h2::before {
        font-size: 0.75rem;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 1.5rem;
        margin: 1rem;
    }
}

/* ...existing code... */

.form-group .error-message {
    position: absolute;
    left: 1rem;
    bottom: -1.8rem;
    font-size: 0.75rem;
    color: var(--error-color);
    padding: 0.25rem 0;
    border-radius: 4px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-5px);
    transition: all 0.3s ease;
    z-index: 1;
    width: calc(100% - 2rem);
}

.form-group.error .error-message {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    display: block !important;
}

.form-group.touched.error {
    border-color: var(--error-color);
    background-color: rgba(244, 67, 54, 0.02);
}

.form-group.touched.valid {
    border-color: var(--success-color);
    background-color: rgba(76, 175, 80, 0.02);
}

/* ...existing code... */

/* ...existing code... */