:root {
    --azul: #1e3a5f;
    --azul-claro: #2c5282;
    --verde: #2f9e44;
    --verde-claro: #ebfbee;
    --rojo: #e03131;
    --rojo-claro: #fff5f5;
    --amarillo: #f08c00;
    --amarillo-claro: #fff9db;
    --gris: #495057;
    --gris-claro: #f1f3f5;
    --borde: #dee2e6;
    --blanco: #ffffff;
    --radio: 10px;
    --sombra: 0 2px 8px rgba(0,0,0,0.08);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--gris-claro);
    color: #1a1a1a;
}

/* ---------- Login ---------- */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--azul), var(--azul-claro));
    padding: 20px;
}

.login-card {
    background: var(--blanco);
    padding: 32px 28px;
    border-radius: var(--radio);
    box-shadow: var(--sombra);
    width: 100%;
    max-width: 380px;
    text-align: center;
}

.login-card h1 { font-size: 1.4rem; margin-bottom: 4px; color: var(--azul); }
.login-logo { max-height: 64px; max-width: 100%; margin-bottom: 10px; }
.subtitle { color: var(--gris); margin-top: 0; margin-bottom: 20px; font-size: 0.9rem; }

.login-form { text-align: left; display: flex; flex-direction: column; gap: 6px; }
.login-form label { font-size: 0.85rem; font-weight: 600; margin-top: 8px; }
.login-form input {
    padding: 10px 12px;
    border: 1px solid var(--borde);
    border-radius: 8px;
    font-size: 1rem;
}

.login-hint { margin-top: 18px; font-size: 0.78rem; color: #868e96; }
.login-hint code { background: var(--gris-claro); padding: 2px 6px; border-radius: 4px; }

/* ---------- Botones ---------- */
.btn {
    display: inline-block;
    border: none;
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: filter 0.15s ease;
}
.btn:hover { filter: brightness(0.92); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--azul); color: #fff; }
.btn-success { background: var(--verde); color: #fff; }
.btn-warning { background: var(--amarillo); color: #fff; }
.btn-secondary { background: var(--gris-claro); color: #333; border: 1px solid var(--borde); }
.btn-block { width: 100%; margin-top: 18px; }
.btn-sm { padding: 6px 12px; font-size: 0.82rem; }

/* ---------- Alertas ---------- */
.alert { padding: 10px 14px; border-radius: 8px; font-size: 0.88rem; margin-bottom: 14px; }
.alert-error { background: var(--rojo-claro); color: var(--rojo); border: 1px solid #ffc9c9; }
.alert-success { background: var(--verde-claro); color: var(--verde); border: 1px solid #b2f2bb; }

/* ---------- Layout general ---------- */
.topbar {
    background: var(--azul);
    color: #fff;
    padding: 12px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    position: sticky;
    top: 0;
    z-index: 20;
}
.topbar .brand { font-weight: 700; font-size: 1.05rem; text-decoration: none; color: #fff; display: flex; align-items: center; gap: 8px; }
.topbar .brand-logo { height: 30px; width: 30px; object-fit: cover; border-radius: 6px; background: #fff; }
.topbar .brand-emoji { font-size: 1.2rem; }
.topbar nav { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.topbar a.navlink {
    color: #fff;
    text-decoration: none;
    padding: 7px 12px;
    border-radius: 6px;
    font-size: 0.88rem;
}
.topbar a.navlink.active, .topbar a.navlink:hover { background: rgba(255,255,255,0.18); }
.topbar .userinfo { font-size: 0.82rem; opacity: 0.9; margin-right: 6px; }

.container { max-width: 1200px; margin: 0 auto; padding: 18px; }

.page-title {
    font-size: 1.25rem;
    margin: 6px 0 16px;
    color: var(--azul);
}

/* ---------- Grid de habitaciones ---------- */
.rooms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 14px;
}

.room-card {
    background: var(--blanco);
    border-radius: var(--radio);
    box-shadow: var(--sombra);
    padding: 16px;
    border-top: 5px solid var(--borde);
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: transform 0.12s ease;
}

.room-card.disponible { border-top-color: var(--verde); }
.room-card.ocupada { border-top-color: var(--amarillo); }
.room-card.terminado { border-top-color: var(--rojo); animation: pulso 1.4s infinite; }

@keyframes pulso {
    0%, 100% { box-shadow: var(--sombra); }
    50% { box-shadow: 0 0 0 4px rgba(224,49,49,0.25); }
}

.room-card .room-num { font-size: 1.5rem; font-weight: 800; color: var(--azul); }

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    align-self: flex-start;
}
.badge.disponible { background: var(--verde-claro); color: var(--verde); }
.badge.ocupada { background: var(--amarillo-claro); color: var(--amarillo); }
.badge.terminado { background: var(--rojo-claro); color: var(--rojo); }
.badge.activo { background: var(--verde-claro); color: var(--verde); }
.badge.inactivo { background: #f1f3f5; color: #868e96; }

.room-info { font-size: 0.83rem; color: var(--gris); line-height: 1.5; }
.room-info b { color: #1a1a1a; }

.timer {
    font-size: 1.9rem;
    font-weight: 800;
    text-align: center;
    padding: 6px 0;
    border-radius: 8px;
    background: var(--gris-claro);
    letter-spacing: 1px;
    font-variant-numeric: tabular-nums;
}
.timer.critico { color: var(--rojo); background: var(--rojo-claro); }

.room-card .btn { width: 100%; margin-top: 4px; }

/* ---------- Modal ---------- */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.45);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 50;
    padding: 16px;
}
.modal-overlay.open { display: flex; }
.modal {
    background: #fff;
    border-radius: var(--radio);
    padding: 24px;
    width: 100%;
    max-width: 380px;
    box-shadow: var(--sombra);
}
.modal h2 { margin-top: 0; font-size: 1.15rem; color: var(--azul); }
.modal label { font-size: 0.85rem; font-weight: 600; display: block; margin-top: 12px; margin-bottom: 4px; }
.modal input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--borde);
    border-radius: 8px;
    font-size: 1rem;
}
.modal select, .tabla-wrap form input, .tabla-wrap form select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--borde);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    background: #fff;
}
.tabla-wrap form label {
    font-size: 0.85rem;
    font-weight: 600;
    display: block;
    margin-top: 12px;
    margin-bottom: 4px;
}
td.acciones { display: flex; gap: 8px; flex-wrap: wrap; }

.modal .monto-fijo {
    background: var(--gris-claro);
    padding: 10px 12px;
    border-radius: 8px;
    font-weight: 700;
    color: var(--azul);
    margin-top: 12px;
    text-align: center;
}
.modal-actions { display: flex; gap: 10px; margin-top: 20px; }
.modal-actions .btn { flex: 1; }

/* ---------- Caja / historial ---------- */
.totales {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}
.total-card {
    background: var(--blanco);
    border-radius: var(--radio);
    box-shadow: var(--sombra);
    padding: 16px 22px;
    flex: 1;
    min-width: 160px;
}
.total-card .label { font-size: 0.78rem; color: var(--gris); text-transform: uppercase; }
.total-card .value { font-size: 1.6rem; font-weight: 800; color: var(--azul); margin-top: 4px; }
.total-card .total-sub { font-size: 0.78rem; color: var(--gris); margin-top: 6px; }

.filtro-fecha { display: flex; gap: 10px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }


/* ---------- Filtros de caja ---------- */
.filtros-caja { padding: 18px; margin-bottom: 16px; }
.filtros-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
}
.filtro-campo { display: flex; flex-direction: column; gap: 4px; }
.filtro-campo label { font-size: 0.75rem; font-weight: 600; color: var(--gris); text-transform: uppercase; }
.filtro-campo input, .filtro-campo select {
    padding: 8px 10px;
    border: 1px solid var(--borde);
    border-radius: 8px;
    font-size: 0.9rem;
    font-family: inherit;
    background: #fff;
}
.filtros-acciones { display: flex; gap: 10px; margin-top: 14px; }

/* ---------- Paginación ---------- */
.paginacion {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 16px;
    font-size: 0.88rem;
    color: var(--gris);
}

.tabla-wrap {
    background: var(--blanco);
    border-radius: var(--radio);
    box-shadow: var(--sombra);
    overflow-x: auto;
}
table.historial { width: 100%; border-collapse: collapse; font-size: 0.85rem; min-width: 640px; }
table.historial th, table.historial td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--borde); white-space: nowrap; }
table.historial th { background: var(--gris-claro); color: var(--gris); font-size: 0.75rem; text-transform: uppercase; }
table.historial tr:last-child td { border-bottom: none; }

.empty-state { text-align: center; padding: 40px 16px; color: #868e96; }

/* ---------- Formulario de negocio ---------- */
.grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    align-items: start;
}
.section-title {
    font-size: 1rem;
    color: var(--azul);
    margin: 0 0 14px;
}
.tabla-wrap textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--borde);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    resize: vertical;
}
.imagen-actual {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}
.imagen-actual img { max-height: 56px; max-width: 120px; border-radius: 6px; border: 1px solid var(--borde); background: #fff; object-fit: contain; }
.imagen-actual img.favicon-preview { max-height: 32px; max-width: 32px; }
.checkbox-line { font-size: 0.82rem; display: flex; align-items: center; gap: 6px; font-weight: 500; }
.tabla-wrap input[type="file"] { width: 100%; font-size: 0.85rem; }

/* ---------- Responsive ---------- */
@media (max-width: 480px) {
    .container { padding: 12px; }
    .rooms-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
    .room-card { padding: 12px; }
    .timer { font-size: 1.5rem; }
    .topbar { flex-direction: column; align-items: flex-start; }
    .total-card .value { font-size: 1.3rem; }
    .grid-2col { grid-template-columns: 1fr; }
    .filtros-grid { grid-template-columns: 1fr 1fr; }
    .paginacion { flex-wrap: wrap; }
}