/* Variables de color */
:root {
    --primary-color: #0A5C36;
    --primary-hover: #0d7444;
    --error-color: #dc3545;
    --success-color: #28a745;
    --info-color: #007bff;
    --background-color: #f8f9fa;
    --text-color: #333;
    --border-color: #ddd;
}

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

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Contenedor del formulario */
.form-container {
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 500px;
    padding: 2rem;
    margin: 20px auto;
    animation: fadeIn 0.5s ease-out;
}

/* Título */
h2 {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
    font-weight: 600;
}

/* Mensajes de error y éxito */
.error-message, .success-message, .info-message {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: slideIn 0.3s ease-out;
}

.error-message {
    background-color: rgba(220, 53, 69, 0.1);
    border: 1px solid var(--error-color);
    color: var(--error-color);
    padding: 0.75rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.error-message i {
    margin-top: 0.2rem;
}

.success-message {
    background-color: rgba(40, 167, 69, 0.1);
    border: 1px solid var(--success-color);
    color: var(--success-color);
}

.info-message {
    background-color: rgba(0, 123, 255, 0.1);
    border: 1px solid var(--info-color);
    color: var(--info-color);
}

.error-message i, .success-message i, .info-message i {
    font-size: 1.1rem;
    margin-right: 0.5rem;
}

/* Grupos de formulario */
.form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
    font-size: 0.95rem;
}

label i {
    margin-right: 8px;
    color: var(--primary-color);
}

/* Campos de entrada */
input[type="text"],
input[type="password"],
select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

input[type="text"]:focus,
input[type="password"]:focus,
select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(10, 92, 54, 0.1);
    outline: none;
}

input[type="text"]:hover,
input[type="password"]:hover,
select:hover {
    border-color: var(--primary-hover);
}

/* Selects de fecha */
.date-selects {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.date-selects select {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

/* Contenedor de contraseña */
.password-container {
    position: relative;
    margin-bottom: 1rem;
}

.password-container input[type="password"],
.password-container input[type="text"] {
    width: 100%;
    padding: 0.75rem 1rem;
    padding-right: 40px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.toggle-password {
    position: absolute;
    right: 10px;
    top: 12px; /* Ajustado para alinear con el campo de entrada */
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    padding: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.toggle-password:hover {
    color: var(--primary-color);
}

.toggle-password:focus {
    outline: none;
}

.toggle-password i {
    font-size: 1.1rem;
}

/* Indicadores de seguridad de contraseña */
.password-strength {
    margin-top: 1rem;
    padding: 0.5rem;
    border-radius: 4px;
    background-color: rgba(0, 0, 0, 0.02);
}

.strength-text {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.requirements {
    font-size: 0.85rem;
    color: #666;
}

.requirements ul {
    list-style: none;
    padding-left: 1rem;
    margin: 0.5rem 0;
}

.requirement {
    display: flex;
    align-items: center;
    margin: 0.25rem 0;
}

.requirement:before {
    content: '○';
    margin-right: 0.5rem;
    color: #dc3545;
}

.requirement.valid:before {
    content: '●';
    color: #28a745;
}

/* Botón de envío */
input[type="submit"] {
    width: 100%;
    padding: 1rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

input[type="submit"]:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(10, 92, 54, 0.2);
}

/* Enlace de regreso */
.back-link {
    display: block;
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: var(--primary-color);
}

/* Placeholders */
::placeholder {
    color: #999;
    opacity: 1;
}

/* Estilos para el formulario activo */
.form-group:focus-within label {
    color: var(--primary-color);
}

/* Contenedor de input con mensaje de ayuda */
.input-container {
    position: relative;
}

.input-help {
    display: block;
    color: #666;
    font-size: 0.8rem;
    margin-top: 0.25rem;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.input-help.valid {
    color: var(--success-color);
}

.input-help.invalid {
    color: var(--error-color);
}

.validation-message {
    font-size: 0.85rem;
    margin-top: 0.25rem;
    min-height: 1.2em;
}

.form-group .validation-message {
    position: absolute;
    bottom: -20px;
    left: 0;
    width: 100%;
}

/* Estado de validación */
input:invalid:not(:placeholder-shown) {
    border-color: var(--error-color);
}

input:valid:not(:placeholder-shown) {
    border-color: var(--success-color);
}

/* Sección de preguntas de seguridad */
.security-questions-section {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

.security-questions-section h3 {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.security-questions-section .help-text {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 1.5rem;
}

.security-questions-section select {
    width: 100%;
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    background-color: white;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.security-questions-section select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(10, 92, 54, 0.1);
    outline: none;
}

.security-questions-section input[type="text"] {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.security-questions-section input[type="text"]:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(10, 92, 54, 0.1);
    outline: none;
}

/* Media queries para responsividad */
@media (max-width: 576px) {
    .form-container {
        padding: 1.5rem;
        margin: 10px;
    }

    h2 {
        font-size: 1.75rem;
        margin-bottom: 1.5rem;
    }

    .date-selects {
        flex-direction: row; /* Mantener dirección horizontal */
        gap: 5px; /* Reducir el espacio entre selects en móviles */
    }

    .date-selects select {
        padding: 0.75rem 0.25rem; /* Reducir el padding horizontal */
        font-size: 0.9rem; /* Reducir ligeramente el tamaño de fuente */
    }

    input[type="text"],
    input[type="password"],
    select {
        font-size: 16px; /* Previene zoom en iOS */
    }

    .form-group {
        margin-bottom: 1rem;
    }

    label {
        font-size: 0.9rem;
    }

    .error-message,
    .success-message {
        font-size: 0.9rem;
        padding: 0.75rem;
    }

    .input-help {
        font-size: 0.75rem;
    }
    
    .validation-message {
        font-size: 0.8rem;
    }
}

/* Ajustes para pantallas medianas */
@media (min-width: 577px) and (max-width: 768px) {
    .form-container {
        max-width: 450px;
    }
}

/* Ajustes para pantallas grandes */
@media (min-width: 769px) {
    .form-container:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    }
}

/* Animaciones */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        transform: translateY(-10px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Estilos para el modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 500px;
    border-radius: 5px;
    text-align: center;
    position: relative;
}

.modal-content h3 {
    margin-bottom: 20px;
    color: #4CAF50;
}

.modal-content p {
    margin-bottom: 20px;
    color: #333;
}

.modal-content .btn-login {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    text-decoration: none;
    display: inline-block;
}

.modal-content .btn-login:hover {
    background-color: #45a049;
}

.modal i {
    margin-right: 10px;
    color: #4CAF50;
}

#edad-calculada {
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: 0.5rem;
    padding: 0.25rem 0;
    transition: color 0.3s ease;
}

.mt-2 {
    margin-top: 0.5rem;
}