/*! normalize.css v8.0.1 | github.com/necolas/normalize.css !*/
/*! modernizr.v3.11.2 | github.com/Modernizr/Modernizr !*/

/* Estilos personalizados para la práctica Unidad 02 */

/* Colores principales */
:root {
    --color-azul-oscuro: #1a237e;
    --color-blanco: #ffffff;
    --color-gris-claro: #f1f5f9;
    --color-gris-medio: #666666;
    --color-rojo: #d32f2f;
}

/* Encabezados azul oscuro */
.header-azul-oscuro {
    background-color: var(--color-azul-oscuro);
    color: var(--color-blanco);
    padding: 25px;
    text-align: center;
    margin-bottom: 30px;
    border-radius: 8px 8px 0 0;
}

.header-azul-oscuro h1 {
    margin: 0;
    font-size: 24px;
    font-weight: bold;
}

/* Contenedores principales */
.contenedor-registro, .contenedor-consulta {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background: var(--color-blanco);
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

/* Formularios */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    font-size: 14px;
    color: #555;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #ccc;
    border-radius: 6px;
    box-sizing: border-box;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus, .form-group select:focus {
    border-color: var(--color-azul-oscuro);
    outline: none;
}

/* Campo de fotografía */
.campo-foto {
    border: 1px dashed #ccc;
    border-radius: 6px;
    padding: 20px;
    text-align: center;
    margin: 20px 0;
    background: #f9f9f9;
}

.campo-foto img.foto-preview {
    max-width: 150px;
    max-height: 150px;
    border-radius: 6px;
    object-fit: cover;
    margin-top: 10px;
}

/* Botones */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
    min-width: 120px;
}

.btn-guardar {
    background-color: var(--color-azul-oscuro);
    color: var(--color-blanco);
}

.btn-guardar:hover {
    background-color: #151950;
}

.btn-cancelar {
    background-color: #ccc;
    color: #333;
}

.btn-cancelar:hover {
    background-color: #bbb;
}

.btn-buscar {
    background-color: var(--color-azul-oscuro);
    color: var(--color-blanco);
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: bold;
}

.btn-buscar:hover {
    background-color: #151950;
}

.btn-limpiar {
    background-color: #e0e0e0;
    color: #333;
    margin-right: 10px;
}

.btn-limpiar:hover {
    background-color: #cfcfcf;
}

.btn-actualizar {
    background-color: var(--color-azul-oscuro);
    color: var(--color-blanco);
}

.btn-actualizar:hover {
    background-color: #151950;
}

.btn-borrar {
    background-color: var(--color-rojo);
    color: var(--color-blanco);
}

.btn-borrar:hover {
    background-color: #b71c1c;
}

/* Tarjetas y secciones */
.tarjeta-datos {
    border: 1px solid #eee;
    border-radius: 8px;
    padding: 25px;
    margin-top: 20px;
    background: var(--color-blanco);
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.foto-alumno {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    object-fit: cover;
    margin-bottom: 20px;
    border: 2px solid #eee;
}

.seccion-busqueda {
    background: var(--color-blanco);
    padding: 25px;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.seccion-busqueda input {
    width: 60%;
    padding: 10px;
    margin-right: 10px;
    border: 1px solid #ccc;
    border-radius: 6px;
}

@media (max-width: 600px) {
    .seccion-busqueda input {
        width: 100%;
        margin-bottom: 10px;
    }
    
    .seccion-busqueda .btn {
        width: 100%;
        margin-bottom: 5px;
    }
}
h1 {
    text-align: center;
    color: #333;
    margin-bottom: 30px;
}

/* Barra de navegación */
.navbar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    padding: 14px 20px;
    background-color: var(--color-gris-claro);
    border-bottom: 2px solid #e0e0e0;
}

.navbar-link {
    display: inline-block;
    padding: 9px 20px;
    background-color: var(--color-azul-oscuro);
    color: var(--color-blanco);
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: bold;
    transition: background-color 0.3s, transform 0.2s, box-shadow 0.3s;
}

.navbar-link:hover {
    background-color: #151950;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(26, 35, 126, 0.35);
}

.navbar-link.active {
    background-color: #0d1a5e;
    box-shadow: 0 2px 8px rgba(26, 35, 126, 0.4);
}

.navbar-link.active:hover {
    background-color: #0d1a5e;
    transform: translateY(-2px);
}

/* Estado sin registros */
.tarjeta.vacio {
    min-height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 30px;
    box-shadow: none;
    border: 2px dashed #cccccc;
}

.tarjeta.vacio h2 {
    color: #666;
    margin-bottom: 8px;
}

.tarjeta.vacio p {
    color: #999;
}

.contenedor {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 25px;
}

.tarjeta {
    width: 320px;
    min-height: 450px;
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    box-sizing: border-box;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.15);

    display: flex;
    flex-direction: column;
    align-items: center;

    overflow: hidden;
}

.foto {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 15px;
}

.info {
    width: 100%;
    text-align: center;
}

.info h2 {
    font-size: 22px;
    margin: 10px 0;
    color: #222;

    overflow-wrap: break-word;
    word-wrap: break-word;
}

.matricula {
    color: #666;
    font-size: 14px;
    margin-bottom: 15px;
}

.info p {
    margin: 8px 0;
    line-height: 1.5;
    color: #444;

    overflow-wrap: break-word;
    word-wrap: break-word;
}

/* Toast notifications */
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    padding: 14px 20px;
    border-radius: 6px;
    color: var(--color-blanco);
    font-weight: bold;
    font-size: 14px;
    min-width: 250px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    opacity: 0;
    transform: translateX(100%);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.toast.exito {
    background-color: var(--color-azul-oscuro);
}

.toast.error {
    background-color: var(--color-rojo);
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}