/* Variables y Reseteo - Identidad Institucional UCE */

:root {
    --bg-body: #eaebef;
    /* Gris muy claro para el fondo */
    --uce-blue: #002d62;
    /* Azul marino institucional */
    --uce-blue-hover: #001f44;
    /* Azul más oscuro para interacciones */
    --uce-red: #c8102e;
    /* Rojo institucional */
    --uce-red-hover: #a00c24;
    /* Rojo oscuro para interacciones */
    --uce-gold: #d4af37;
    /* Dorado sutil del escudo para acentos */
    --text-main: #333333;
    --text-muted: #666666;
    --card-bg: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-body);
    color: var(--text-main);
    padding-bottom: 60px;
}


/* Encabezado Institucional */

header {
    background-color: var(--uce-blue);
    color: white;
    padding: 25px 20px;
    text-align: center;
    border-bottom: 5px solid var(--uce-red);
    /* Franja roja característica */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

header h1 {
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 24px;
}

main {
    max-width: 1100px;
    margin: 40px auto;
    padding: 0 20px;
}


/* Alertas */

.alert {
    background-color: #e8f4fa;
    color: var(--uce-blue);
    padding: 15px 20px;
    border-radius: 6px;
    margin-bottom: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-left: 5px solid var(--uce-blue);
    font-weight: 500;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.alert button {
    background: none;
    border: none;
    font-size: 20px;
    font-weight: bold;
    color: inherit;
    cursor: pointer;
    transition: opacity 0.2s;
}

.alert button:hover {
    opacity: 0.6;
}


/* Tarjetas (Contenedores principales) */

.card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
    border-top: 4px solid var(--uce-blue);
}

.upload-section h2 {
    margin-bottom: 25px;
    color: var(--uce-blue);
    font-size: 22px;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 12px;
}


/* Formularios */

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

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--uce-blue);
}

.form-group input[type="text"] {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #dcdcdc;
    border-radius: 6px;
    font-size: 15px;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input[type="text"]:focus {
    outline: none;
    border-color: var(--uce-blue);
    box-shadow: 0 0 0 3px rgba(0, 45, 98, 0.1);
}


/* Zona Drag and Drop Rediseñada */

.drop-zone {
    border: 2px dashed var(--uce-blue);
    border-radius: 10px;
    padding: 40px 20px;
    text-align: center;
    background: #f8fbff;
    cursor: pointer;
    transition: all 0.3s ease;
}

.drop-zone.hover {
    background: #e3effc;
    border-color: var(--uce-red);
}

.drop-zone p {
    color: var(--uce-blue);
    font-size: 17px;
    font-weight: 500;
    pointer-events: none;
}

.drop-zone small {
    color: var(--text-muted);
    font-size: 14px;
    display: block;
    margin-top: 5px;
}

.hidden-input {
    display: none;
}

.file-list {
    list-style: none;
    margin-top: 15px;
    max-height: 150px;
    overflow-y: auto;
}

.file-list li {
    background: var(--uce-blue);
    color: white;
    padding: 8px 15px;
    margin-bottom: 5px;
    border-radius: 5px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}


/* Botones con estilo institucional */

button,
.btn-open {
    padding: 12px 25px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}


/* Botón Principal (Subir) */

.btn-primary {
    background-color: var(--uce-blue);
    color: white;
    width: 100%;
    margin-top: 15px;
}

.btn-primary:hover {
    background-color: var(--uce-blue-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 45, 98, 0.2);
}


/* Botón Peligro (Eliminar) */

.btn-danger {
    background-color: var(--uce-red);
    color: white;
}

.btn-danger:hover {
    background-color: var(--uce-red-hover);
    box-shadow: 0 4px 8px rgba(200, 16, 46, 0.2);
}


/* Botón Acción Secundaria (Abrir Proyecto) */

.btn-open {
    background-color: transparent;
    color: var(--uce-blue);
    border: 2px solid var(--uce-blue);
    width: 100%;
}

.btn-open:hover {
    background-color: var(--uce-blue);
    color: white;
}


/* Galería de Proyectos */

.gallery-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    border-bottom: 2px solid #dcdcdc;
    padding-bottom: 15px;
}

.gallery-header h2 {
    color: var(--uce-blue);
    font-size: 22px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}


/* Tarjetas de cada proyecto */

.project-card {
    background: var(--card-bg);
    border: 1px solid #eaeaea;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.03);
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
}

.card-head {
    background-color: var(--uce-blue);
    color: white;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 3px solid var(--uce-gold);
    /* Detalle dorado */
}

.card-head h3 {
    font-size: 16px;
    font-weight: 500;
    word-break: break-all;
}

.project-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--uce-red);
    /* Cambia el color del check al rojo */
}

.card-body {
    padding: 20px;
    flex-grow: 1;
    font-size: 14px;
    color: var(--text-muted);
    background-color: #fafbfc;
}

.card-body strong {
    color: var(--uce-blue);
}

.card-footer {
    padding: 15px 20px;
    background-color: var(--card-bg);
    border-top: 1px solid #eaeaea;
    /* Nuevas reglas para que los botones estén lado a lado */
    display: flex;
    gap: 10px;
}


/* El botón de abrir ahora debe compartir el espacio equitativamente */

.btn-open {
    flex: 1;
    text-align: center;
}


/* Estilos para el nuevo botón de eliminar individual */

.btn-delete-single {
    background-color: var(--uce-red);
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: background 0.3s ease;
    flex: 1;
}

.btn-delete-single:hover {
    background-color: var(--uce-red-hover);
}

.empty-msg {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-muted);
    font-size: 1.1em;
    padding: 50px 20px;
    background: white;
    border-radius: 8px;
    border: 1px dashed #ccc;
}


/* ---- PANTALLA DE ACCESO DENEGADO ---- */

#pantalla-bloqueo {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #000000;
    color: #ff0000;
    z-index: 999999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

#pantalla-bloqueo h1 {
    font-size: 50px;
    margin-bottom: 20px;
}


/* ---- CUADRO DE LOGIN CON DISEÑO ---- */

#login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-body);
    z-index: 999998;
    /* Un nivel por debajo del acceso denegado */
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-box {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    text-align: center;
    border-top: 5px solid var(--uce-blue);
    width: 100%;
    max-width: 400px;
}

.login-box h2 {
    color: var(--uce-blue);
    margin-bottom: 15px;
}

.login-box p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.login-box input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #dcdcdc;
    border-radius: 6px;
    font-size: 15px;
    margin-bottom: 15px;
    text-align: center;
}

.login-box input:focus {
    outline: none;
    border-color: var(--uce-blue);
}

.error-msg {
    color: var(--uce-red) !important;
    margin-top: 15px;
    font-weight: 600;
}

.oculto {
    display: none !important;
}