/* --- Variables y Estilos Globales --- */
:root {
    --primary-color: #0056b3; /* Azul corporativo */
    --success-color: #28a745; /* Verde para éxito */
    --error-color: #dc3545;   /* Rojo para error */
    --warning-color: #ffc107; /* Amarillo para advertencia */
    --light-gray: #f8f9fa;
    --dark-gray: #343a40;
    --border-radius: 8px;
    --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--light-gray);
    color: var(--dark-gray);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    padding: 20px;
    margin: 0;
}

/* --- Contenedor Principal y Encabezado --- */
.container {
    width: 100%;
    max-width: 700px;
    background-color: #fff;
    padding: 30px 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
}

.header .logo {
    width: 300px;
    margin-bottom: 15px;
    object-fit: cover;
}

.header h1 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: 700;
}

.header p {
    font-size: 1.1em;
    color: #6c757d;
}

/* --- Sección de Búsqueda --- */
.search-section {
    margin: 30px 0;
}

#search-form {
    display: flex;
    gap: 10px;
}

#curp-input {
    flex-grow: 1;
    padding: 12px 15px;
    font-size: 1em;
    border: 1px solid #ccc;
    border-radius: var(--border-radius);
    transition: border-color 0.3s, box-shadow 0.3s;
    text-transform: uppercase;
}

#curp-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.2);
}

#search-button {
    padding: 12px 25px;
    font-size: 1em;
    font-weight: 600;
    color: #fff;
    background-color: var(--primary-color);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
}

#search-button:hover {
    background-color: #004494;
    transform: translateY(-2px);
}

#search-button:disabled {
    background-color: #a0a0a0;
    cursor: not-allowed;
}

/* --- Contenedor de Resultados --- */
#result-container {
    margin-top: 20px;
    text-align: left;
    min-height: 100px; /* Evita que el layout salte */
}

.result-card {
    padding: 25px;
    border-radius: var(--border-radius);
    animation: fadeIn 0.5s ease-in-out;
}

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

/* Tarjeta de Éxito */
.card-success {
    background-color: #e9f7ef;
    border-left: 5px solid var(--success-color);
}

.card-success .result-header {
    color: var(--success-color);
    font-size: 1.5em;
    font-weight: 700;
    margin-bottom: 20px;
}

/* Tarjeta de Error / No Encontrado */
.card-error {
    background-color: #fbeae9;
    border-left: 5px solid var(--error-color);
    text-align: center;
}

.card-error .result-message {
    color: var(--error-color);
    font-size: 1.2em;
    font-weight: 600;
}

/* Mensaje de información (inicial o cargando) */
.info-message {
    color: #6c757d;
    text-align: center;
    padding: 20px;
}

/* Detalles del resultado */
.result-details p {
    margin: 10px 0;
    font-size: 1.1em;
    line-height: 1.6;
}

.result-details strong {
    color: var(--dark-gray);
    font-weight: 600;
    min-width: 150px;
    display: inline-block;
}

/* Spinner de carga */
.loader {
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

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