/* =============================================================================
   Sistema de Comprobación de Gastos TGC (Tarjeta de Gastos Corporativa) — By Escala-ndo
   Paleta de marca Escala: Verde #00524A · Beige #AA9482 · Gris #BFC7D6
   ============================================================================= */

:root {
    --escala-verde: #00524A;
    --escala-verde-claro: #0d6e63;
    --escala-beige: #AA9482;
    --escala-gris: #BFC7D6;
    --escala-verde-oscuro: #003b35;
    --fondo: #f4f6f7;
    --texto: #1f2a2d;
    --texto-suave: #5c6b6f;
    --borde: #e1e6e8;
    --blanco: #ffffff;
    --exito: #1f8a55;
    --error: #c0392b;
    --alerta: #b8860b;
    --sombra: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--fondo);
    color: var(--texto);
    font-size: 15px;
    line-height: 1.5;
}

a { color: var(--escala-verde); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Layout general -------------------------------------------------------- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
    width: 240px;
    background: linear-gradient(180deg, var(--escala-verde) 0%, var(--escala-verde-oscuro) 100%);
    color: #eafaf6;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    padding: 20px 0;
}

.sidebar .marca {
    padding: 0 20px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    margin-bottom: 12px;
}

.sidebar .marca strong { font-size: 17px; display: block; }
.sidebar .marca span { font-size: 11px; opacity: 0.7; letter-spacing: .04em; }

.sidebar nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 20px;
    color: #d9efe9;
    font-size: 14px;
    border-left: 3px solid transparent;
}

.sidebar nav a:hover, .sidebar nav a.activo {
    background: rgba(255,255,255,0.08);
    border-left-color: var(--escala-beige);
    text-decoration: none;
    color: #fff;
}

.sidebar .usuario-actual {
    margin-top: auto;
    padding: 14px 20px;
    border-top: 1px solid rgba(255,255,255,0.15);
    font-size: 12.5px;
}

.sidebar .usuario-actual .rol-badge {
    display: inline-block;
    background: var(--escala-beige);
    color: #2b241d;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 10.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .03em;
    margin-top: 4px;
}

.contenido {
    flex: 1;
    padding: 28px 34px;
    max-width: 1200px;
}

.topbar-mensaje-desarrollo {
    text-align: right;
    font-size: 11px;
    color: var(--texto-suave);
    margin-top: 24px;
}

/* ---- Encabezados de sección ------------------------------------------------- */
.encabezado-pagina {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 22px;
    flex-wrap: wrap;
    gap: 12px;
}

.encabezado-pagina h1 { font-size: 22px; margin: 0; color: var(--escala-verde-oscuro); }
.encabezado-pagina p.subtitulo { margin: 4px 0 0; color: var(--texto-suave); font-size: 13.5px; }

/* ---- Tarjetas / cajas -------------------------------------------------------- */
.caja {
    background: var(--blanco);
    border: 1px solid var(--borde);
    border-radius: 10px;
    padding: 20px 22px;
    box-shadow: var(--sombra);
    margin-bottom: 20px;
}

.grid-cajas { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; }

.metrica { padding: 18px; }
.metrica .valor { font-size: 26px; font-weight: 700; color: var(--escala-verde-oscuro); }
.metrica .etiqueta { font-size: 12.5px; color: var(--texto-suave); text-transform: uppercase; letter-spacing: .03em; }

/* ---- Botones ------------------------------------------------------------------ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 16px;
    border-radius: 7px;
    border: 1px solid transparent;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}
.btn:hover { text-decoration: none; opacity: .92; }
.btn-primario { background: var(--escala-verde); color: #fff; }
.btn-secundario { background: var(--blanco); color: var(--escala-verde); border-color: var(--escala-verde); }
.btn-peligro { background: var(--error); color: #fff; }
.btn-sm { padding: 6px 11px; font-size: 12.5px; }

/* ---- Formularios --------------------------------------------------------------- */
.form-grupo { margin-bottom: 16px; }
.form-grupo label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 5px; color: var(--texto); }
.form-grupo .ayuda { font-size: 12px; color: var(--texto-suave); margin-top: 4px; }
.form-grupo .contador { font-size: 12px; color: var(--texto-suave); text-align: right; margin-top: 3px; }

input[type=text], input[type=email], input[type=password], input[type=date],
input[type=number], input[type=file], select, textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--borde);
    border-radius: 7px;
    font-size: 14px;
    font-family: inherit;
    background: #fff;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--escala-gris); border-color: var(--escala-verde); }
textarea { resize: vertical; min-height: 90px; }

/* ---- Tablas --------------------------------------------------------------------- */
table.tabla { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.tabla th {
    text-align: left;
    background: #eef3f2;
    color: var(--escala-verde-oscuro);
    padding: 10px 12px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .02em;
}
table.tabla td { padding: 10px 12px; border-bottom: 1px solid var(--borde); vertical-align: middle; }
table.tabla tr:hover td { background: #fafcfc; }

/* ---- Badges / etiquetas ---------------------------------------------------------- */
.badge { display: inline-block; padding: 3px 9px; border-radius: 20px; font-size: 11px; font-weight: 700; text-transform: uppercase; }
.badge-verde { background: #e2f4ec; color: var(--exito); }
.badge-amarillo { background: #fbf1d8; color: var(--alerta); }
.badge-rojo { background: #fbe4e1; color: var(--error); }
.badge-gris { background: #eceff1; color: #607074; }

/* ---- Alertas / flash -------------------------------------------------------------- */
.alerta { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 13.5px; }
.alerta-exito { background: #e2f4ec; color: #1a6b41; border: 1px solid #bfe3cf; }
.alerta-error { background: #fbe4e1; color: #96271b; border: 1px solid #f2bdb6; }

/* ---- Tarjeta TGC digital simulada ------------------------------------------------- */
.tarjeta-tgc {
    width: 100%;
    max-width: 340px;
    aspect-ratio: 1.586 / 1;
    border-radius: 16px;
    padding: 22px;
    background: linear-gradient(135deg, var(--escala-verde) 0%, var(--escala-verde-oscuro) 65%, #002420 100%);
    color: #f2f8f6;
    position: relative;
    box-shadow: 0 10px 28px rgba(0,82,74,0.35);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
}
.tarjeta-tgc::after {
    content: "";
    position: absolute;
    right: -40px; top: -40px;
    width: 180px; height: 180px;
    background: radial-gradient(circle, rgba(191,199,214,0.18) 0%, transparent 70%);
}
.tarjeta-tgc .fila-superior { display: flex; justify-content: space-between; align-items: flex-start; font-size: 12px; }
.tarjeta-tgc .marca-tgc { font-weight: 800; letter-spacing: .04em; font-size: 15px; }
.tarjeta-tgc .leyenda-digital {
    background: rgba(255,255,255,0.14);
    padding: 3px 9px;
    border-radius: 20px;
    font-size: 10px;
    letter-spacing: .06em;
    text-transform: uppercase;
}
.tarjeta-tgc .numero { font-size: 20px; letter-spacing: .12em; font-family: "Courier New", monospace; margin: 14px 0 4px; }
.tarjeta-tgc .fila-inferior { display: flex; justify-content: space-between; align-items: flex-end; font-size: 11px; }
.tarjeta-tgc .titular { text-transform: uppercase; letter-spacing: .03em; font-size: 13px; }
.tarjeta-tgc .alias { opacity: .75; font-size: 10.5px; margin-top: 2px; }

/* ---- Pantalla de login -------------------------------------------------------------- */
.pantalla-login {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at top left, #0d6e63 0%, var(--escala-verde-oscuro) 55%, #001d19 100%);
}
.caja-login {
    background: #fff;
    border-radius: 14px;
    padding: 38px 34px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}
.caja-login h1 { font-size: 19px; color: var(--escala-verde-oscuro); margin-bottom: 4px; }
.caja-login p.subtitulo { color: var(--texto-suave); font-size: 13px; margin-bottom: 22px; }

/* ---- Utilidades ------------------------------------------------------------------------ */
.flex { display: flex; }
.flex-entre { display: flex; justify-content: space-between; align-items: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.texto-suave { color: var(--texto-suave); }
.texto-centro { text-align: center; }
.oculto { display: none; }

/* Impresión de responsiva: sin sidebar, blanco y negro limpio */
@media print {
    .no-imprimir { display: none !important; }
    .app-shell { display: block; }
    .contenido { padding: 0; max-width: none; }
    body { background: #fff; }
}

@media (max-width: 780px) {
    .app-shell { flex-direction: column; }
    .sidebar { width: 100%; flex-direction: row; overflow-x: auto; padding: 10px; }
    .sidebar .marca, .sidebar .usuario-actual { display: none; }
    .sidebar nav { display: flex; }
    .contenido { padding: 18px; }
}