/* =============================================
   portal.css - Skin unificado del portal
   Aplica a: login, admin, y futuras paginas

   TEMA DEL PORTAL (mantener sincronizado con userController.js):
   - Primario:    #2563eb  (azul)
   - Exito:       #059669  (verde)
   - Peligro:     #dc2626  (rojo)
   - Advertencia: #d97706  (naranja)
   - Info:        #0891b2  (cyan)
   - Secundario:  #64748b  (gris)
   - Fondo:       #f1f5f9  (gris claro)
   - Tarjeta:     #ffffff  (blanco)
   - Texto:       #1e293b  (negro suave)
   ============================================= */

/* ---------- Variables de color (skin) ---------- */
:root {
    --color-primario: #2563eb;
    --color-primario-hover: #1d4ed8;
    --color-exito: #059669;
    --color-exito-hover: #047857;
    --color-peligro: #dc2626;
    --color-peligro-hover: #b91c1c;
    --color-advertencia: #d97706;
    --color-advertencia-hover: #b45309;
    --color-info: #0891b2;
    --color-info-hover: #0e7490;
    --color-secundario: #64748b;
    --color-secundario-hover: #475569;

    --fondo: #f1f5f9;
    --tarjeta: #ffffff;
    --texto: #1e293b;
    --texto-suave: #64748b;
    --borde: #e2e8f0;
    --borde-suave: #f1f5f9;

    --sombra: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.05);
    --sombra-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.05);
    --radio: 12px;
    --radio-sm: 8px;
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--fondo);
    color: var(--texto);
    line-height: 1.6;
    padding: 20px;
}

/* ---------- Layout ---------- */
.container {
    max-width: 1000px;
    margin: 0 auto;
}

.center-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

/* ---------- Titulos ---------- */
h1 {
    color: var(--texto);
    text-align: center;
    font-size: 1.75rem;
    margin-bottom: 24px;
    font-weight: 700;
}

h2 {
    color: var(--color-primario);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 16px;
}

h3 {
    color: var(--texto);
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 12px;
}

/* ---------- Caja de login ---------- */
.box {
    background: var(--tarjeta);
    padding: 40px;
    border-radius: var(--radio);
    box-shadow: var(--sombra-lg);
    width: 100%;
    max-width: 420px;
    text-align: center;
    border: 1px solid var(--borde);
}

.box h2 {
    margin-top: 0;
    margin-bottom: 8px;
}

.box p {
    color: var(--texto-suave);
    font-size: 0.9375rem;
    margin-bottom: 20px;
}

/* ---------- Tarjetas ---------- */
.card {
    background: var(--tarjeta);
    padding: 28px;
    border-radius: var(--radio);
    box-shadow: var(--sombra);
    margin-bottom: 24px;
    border: 1px solid var(--borde);
}

.card h2 {
    margin-top: 0;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--borde-suave);
}

/* ---------- Formularios ---------- */
label {
    display: block;
    margin: 16px 0 6px;
    color: var(--texto-suave);
    font-weight: 600;
    font-size: 0.875rem;
    text-align: left;
}

input[type="text"],
input[type="email"],
input[type="password"],
select {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--borde);
    border-radius: var(--radio-sm);
    font-size: 0.9375rem;
    transition: all 0.2s;
    color: var(--texto);
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--color-primario);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}

/* ---------- Botones ---------- */
.btn,
button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: var(--color-primario);
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radio-sm);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    margin-top: 12px;
    margin-right: 6px;
    transition: all 0.2s ease;
    box-shadow: var(--sombra);
}

.btn:hover,
button:hover {
    background: var(--color-primario-hover);
    transform: translateY(-1px);
    box-shadow: var(--sombra-lg);
}

.btn:active,
button:active { transform: translateY(0); }

.btn:disabled,
button:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* Variantes */
.btn-exito { background: var(--color-exito); }
.btn-exito:hover { background: var(--color-exito-hover); }

.btn-info { background: var(--color-info); }
.btn-info:hover { background: var(--color-info-hover); }

.btn-advertencia,
.btn-warning { background: var(--color-advertencia); }
.btn-advertencia:hover,
.btn-warning:hover { background: var(--color-advertencia-hover); }

.btn-peligro,
.btn-danger { background: var(--color-peligro); }
.btn-peligro:hover,
.btn-danger:hover { background: var(--color-peligro-hover); }

.btn-secundario,
.btn-secondary { background: var(--color-secundario); }
.btn-secundario:hover,
.btn-secondary:hover { background: var(--color-secundario-hover); }

.btn-sm { padding: 6px 14px; font-size: 0.75rem; margin-top: 0; }

/* ---------- Mensajes ---------- */
.msg {
    margin-top: 14px;
    padding: 12px 16px;
    border-radius: var(--radio-sm);
    display: none;
    font-size: 0.875rem;
    font-weight: 500;
    border-left: 4px solid transparent;
    text-align: left;
}

.msg.success {
    background: #d1fae5;
    color: #065f46;
    border-left-color: var(--color-exito);
    display: block;
}

.msg.error {
    background: #fee2e2;
    color: #991b1b;
    border-left-color: var(--color-peligro);
    display: block;
}

.msg.info {
    background: #e0f2fe;
    color: #075985;
    border-left-color: var(--color-info);
    display: block;
}

/* ---------- Tabla ---------- */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radio);
    border: 1px solid var(--borde);
    margin-top: 16px;
    background: var(--tarjeta);
    box-shadow: var(--sombra);
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.875rem;
}

th, td { padding: 14px 18px; text-align: left; }

th {
    background: #f8fafc;
    color: var(--texto);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--borde);
}

th:first-child { border-top-left-radius: var(--radio); }
th:last-child { border-top-right-radius: var(--radio); }

td { border-bottom: 1px solid var(--borde-suave); color: #334155; }

tbody tr { transition: background 0.15s; }
tbody tr:hover { background: #f4f8ff; }
tbody tr td:first-child { font-weight: 600; color: var(--color-primario); }
tbody tr:last-child td { border-bottom: none; }
tbody tr:last-child td:first-child { border-bottom-left-radius: var(--radio); }
tbody tr:last-child td:last-child { border-bottom-right-radius: var(--radio); }

.actions { white-space: nowrap; text-align: right; }

.empty {
    text-align: center;
    color: var(--texto-suave);
    padding: 40px 20px;
    font-style: italic;
    background: #fafbfc;
    border-radius: var(--radio);
    margin-top: 15px;
}

/* ---------- Modal ---------- */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,0.55);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 20px;
    backdrop-filter: blur(3px);
}

.modal-overlay.active { display: flex; }

.modal {
    background: var(--tarjeta);
    padding: 32px;
    border-radius: var(--radio);
    width: 100%;
    max-width: 480px;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
    animation: modalIn 0.3s ease-out;
}

@keyframes modalIn {
    from { opacity: 0; transform: translateY(-30px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal h3 { margin-top: 0; margin-bottom: 20px; }

.modal-buttons { text-align: right; margin-top: 24px; }

/* ---------- Input de archivo ---------- */
.file-input-wrapper {
    margin-top: 12px;
    padding: 28px;
    border: 2px dashed var(--borde);
    border-radius: var(--radio);
    text-align: center;
    transition: all 0.2s;
    cursor: pointer;
    background: #fafafa;
}

.file-input-wrapper:hover {
    border-color: var(--color-primario);
    background: #eff6ff;
}

/* ---------- Preview CSV ---------- */
.csv-preview {
    max-height: 240px;
    overflow-y: auto;
    margin-top: 14px;
    border: 1px solid var(--borde);
    border-radius: var(--radio-sm);
    background: var(--tarjeta);
}

.csv-preview table { margin: 0; font-size: 0.75rem; }
.csv-preview th, .csv-preview td { padding: 8px 12px; }

/* ---------- Utilidades ---------- */
.hidden { display: none !important; }

.texto-suave { color: var(--texto-suave); font-size: 0.875rem; }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
    body { padding: 12px; }
    h1 { font-size: 1.5rem; }
    .card, .box { padding: 20px; }
    th, td { padding: 10px 12px; }
    .actions { white-space: normal; }
    .btn-sm { padding: 5px 10px; font-size: 0.6875rem; }
}