/* ============================================================
   IDENTIDAD "TICKET DE ALMACÉN"
   Papel kraft + tinta de sello + tipografía condensada de cartel
   + monoespaciada de recibo. Bordes gruesos, sin sombras blandas,
   sin gradientes — el opuesto del look de IA genérico.
   ============================================================ */

:root {
    --paper: #f2ead9;
    --paper-alt: #e8dcc0;
    --surface: #fffdf6;
    --ink: #1c1712;
    --ink-muted: #746b58;
    --line: #1c1712;
    --line-soft: #d8c9a3;

    --market-green: #1f6f43;
    --market-green-deep: #143f27;
    --market-green-bg: #e2ecdf;

    --stamp-red: #ad2a22;
    --stamp-red-bg: #f4dcd4;

    --stamp-amber: #a6660b;
    --stamp-amber-bg: #f2e3c6;

    /* alias retrocompatibles usados por otras páginas (estadisticas.html, etc.) */
    --app-primary: var(--market-green);
    --app-primary-hover: var(--market-green-deep);
    --app-primary-bg: var(--market-green-bg);
    --app-danger: var(--stamp-red);
    --app-danger-bg: var(--stamp-red-bg);
    --app-warn: var(--stamp-amber);
    --app-warn-bg: var(--stamp-amber-bg);
    --app-surface: var(--surface);
    --app-surface-muted: var(--paper-alt);
    --app-border: var(--line-soft);
    --app-text: var(--ink);
    --app-text-muted: var(--ink-muted);

    --pico-primary: var(--market-green);
    --pico-primary-background: var(--market-green);
    --pico-primary-hover: var(--market-green-deep);
    --pico-primary-hover-background: var(--market-green-deep);
    --pico-primary-underline: var(--market-green);
    --pico-form-element-active-border-color: var(--ink);
    --pico-border-radius: 3px;
    --pico-font-family: "Space Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
    :root {
        --paper: #18140e;
        --paper-alt: #221c13;
        --surface: #221c13;
        --ink: #f2ead9;
        --ink-muted: #a89a7c;
        --line: #f2ead9;
        --line-soft: #4a3f2c;

        --market-green: #5bc78a;
        --market-green-deep: #86e0ac;
        --market-green-bg: #16321f;

        --stamp-red: #e8776c;
        --stamp-red-bg: #3a1712;

        --stamp-amber: #e0ab52;
        --stamp-amber-bg: #3a2a0c;

        --app-primary: var(--market-green);
        --app-primary-hover: var(--market-green-deep);
        --app-primary-bg: var(--market-green-bg);
        --app-danger: var(--stamp-red);
        --app-danger-bg: var(--stamp-red-bg);
        --app-warn: var(--stamp-amber);
        --app-warn-bg: var(--stamp-amber-bg);
        --app-surface: var(--surface);
        --app-surface-muted: var(--paper-alt);
        --app-border: var(--line-soft);
        --app-text: var(--ink);
        --app-text-muted: var(--ink-muted);
    }
}

/* ---------- Base ---------- */

html {
    background: var(--paper);
    min-height: 100%;
}

body {
    background: var(--paper);
    color: var(--ink);
    font-family: "Space Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
    min-height: 100vh;
    padding-bottom: 6.5rem;
}

h1, h2, h3, h4, .display {
    font-family: "Bebas Neue", "Space Mono", sans-serif;
    letter-spacing: 0.03em;
    color: var(--ink);
}

a { color: var(--market-green-deep); }

/* Barra de código de barras — motivo decorativo reutilizable */
.barcode-strip {
    height: 10px;
    background-image: repeating-linear-gradient(
        90deg,
        var(--ink) 0, var(--ink) 2px,
        transparent 2px, transparent 4px,
        var(--ink) 4px, var(--ink) 5px,
        transparent 5px, transparent 9px,
        var(--ink) 9px, var(--ink) 12px,
        transparent 12px, transparent 14px
    );
    opacity: 0.55;
    margin: 0 0 0.9rem;
}

/* ---------- Encabezado ---------- */

.app-header {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 1rem 0 0.6rem;
}

.app-header .app-logo {
    font-size: 1.5rem;
    line-height: 1;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface);
    border: 2px solid var(--line);
    transform: rotate(-3deg);
    flex-shrink: 0;
}

.app-header h1 {
    margin: 0;
    font-size: 1.7rem;
    line-height: 1;
    flex: 1;
    text-transform: uppercase;
}

.app-header button {
    width: auto;
    padding: 0.4rem 0.65rem;
    margin: 0;
}

/* ---------- Botones (reemplaza el look redondeado de Pico) ---------- */

button, [type="submit"], [type="button"], [type="reset"],
a[role="button"] {
    font-family: "Space Mono", monospace;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-radius: 3px;
    border: 2px solid var(--line);
    background: var(--ink);
    color: var(--paper);
    box-shadow: none;
    transition: transform 0.05s ease;
}

button:active, [type="submit"]:active, a[role="button"]:active {
    transform: translateY(2px);
}

button.secondary, [role="button"].secondary,
button.outline, [role="button"].outline,
button.secondary.outline, [role="button"].secondary.outline {
    background: var(--surface);
    color: var(--ink);
    border: 2px solid var(--line);
}

button.contrast { background: var(--market-green); border-color: var(--market-green-deep); color: #fff; }

/* Formularios */
input, select, textarea {
    font-family: "Space Mono", monospace;
    border-radius: 3px;
    border: 2px solid var(--line-soft);
    background: var(--surface);
    color: var(--ink);
}

input:focus, select:focus, textarea:focus {
    border-color: var(--ink);
    box-shadow: none;
}

details summary {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    font-size: 0.9rem;
}

/* ---------- Resumen de faltantes (banner tipo alerta de depósito) ---------- */

.banner-faltantes {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    background: var(--stamp-red-bg);
    border: 2px solid var(--stamp-red);
    color: var(--stamp-red);
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    cursor: pointer;
    user-select: none;
}

.banner-faltantes .texto {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    font-size: 0.95rem;
}

.banner-faltantes .contador {
    font-family: "Bebas Neue", sans-serif;
    font-size: 1.8rem;
    line-height: 1;
}

.banner-faltantes.oculto { display: none; }

/* Toggle "solo faltantes" junto al buscador */
.toggle-faltantes {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    border: 2px solid var(--line);
    padding: 0.5rem 0.75rem;
    background: var(--surface);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    white-space: nowrap;
}

.toggle-faltantes input { display: none; }

.toggle-faltantes.activo {
    background: var(--stamp-red);
    border-color: var(--stamp-red);
    color: var(--surface);
}

/* ---------- Navegación inferior ---------- */

.bottom-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: flex-end;
    background: var(--surface);
    border-top: 2px solid var(--line);
    padding: 0.4rem 0.25rem calc(0.4rem + env(safe-area-inset-bottom));
    z-index: 100;
}

.nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    padding: 0.4rem 0.2rem;
    color: var(--ink-muted);
    text-decoration: none;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    min-height: 48px;
    justify-content: center;
}

.nav-item svg {
    width: 22px;
    height: 22px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.nav-item.active {
    color: var(--market-green-deep);
}

.nav-item.active svg {
    stroke-width: 2.5;
}

/* Botón central de escaneo — elevado, tipo sello circular */
.nav-item.nav-escanear {
    position: relative;
}

.nav-item.nav-escanear .nav-fab {
    position: absolute;
    top: -1.55rem;
    width: 3.4rem;
    height: 3.4rem;
    border-radius: 50%;
    background: var(--market-green);
    border: 3px solid var(--paper);
    outline: 2px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 3px 0 var(--line);
}

.nav-item.nav-escanear .nav-fab svg {
    width: 26px;
    height: 26px;
    stroke: #fff;
    stroke-width: 2.2;
}

.nav-item.nav-escanear span {
    margin-top: 2rem;
}

.nav-item.nav-escanear:active .nav-fab {
    box-shadow: none;
    transform: translateY(3px);
}

/* ---------- Tarjetas / filas tipo renglón de ticket ---------- */

.card {
    background: var(--surface);
    border: 2px solid var(--line);
    border-radius: 3px;
    padding: 0.9rem 1rem;
    margin-bottom: 0.6rem;
}

.card-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0;
    list-style: none;
    margin: 0 0 1rem;
}

.card-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    background: var(--surface);
    border: 2px solid var(--line-soft);
    border-radius: 3px;
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
    row-gap: 0.6rem;
}

.card-row.faltante {
    border-left: 6px solid var(--stamp-red);
    border-color: var(--stamp-red) var(--line-soft) var(--line-soft) var(--stamp-red);
}

.card-row.vencido {
    border-left: 6px solid var(--stamp-red);
    border-color: var(--stamp-red) var(--line-soft) var(--line-soft) var(--stamp-red);
}

.card-row.por-vencer {
    border-left: 6px solid var(--stamp-amber);
    border-color: var(--stamp-amber) var(--line-soft) var(--line-soft) var(--stamp-amber);
}

.card-row .info {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    min-width: 0;
    flex: 1 1 100%;
}

.card-row .nombre {
    font-weight: 700;
    color: var(--ink);
}

.card-row .detalle {
    font-size: 0.78rem;
    color: var(--ink-muted);
}

.card-row.comprado {
    opacity: 0.5;
}

.card-row.comprado .nombre {
    text-decoration: line-through;
}

/* ---------- Badges tipo sello de goma ---------- */

.badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    padding: 0.15rem 0.5rem;
    border-radius: 2px;
    white-space: nowrap;
    text-transform: uppercase;
}

.badge-danger {
    background: transparent;
    color: var(--stamp-red);
    border: 2px solid var(--stamp-red);
    transform: rotate(-3deg);
}

.badge-warn {
    background: var(--stamp-amber-bg);
    color: var(--stamp-amber);
    border: 1px solid var(--stamp-amber);
}

.badge-muted {
    background: var(--paper-alt);
    color: var(--ink-muted);
    border: 1px solid var(--line-soft);
}

/* ---------- Control segmentado ---------- */

.segmented {
    display: flex;
    background: var(--paper-alt);
    border: 2px solid var(--line);
    border-radius: 3px;
    padding: 0.2rem;
    gap: 0.2rem;
    margin-bottom: 1rem;
}

.segmented input { display: none; }

.segmented label {
    flex: 1;
    text-align: center;
    padding: 0.55rem 0.5rem;
    border-radius: 2px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--ink-muted);
    cursor: pointer;
    margin: 0;
}

.segmented input:checked + label {
    background: var(--market-green);
    color: #fff;
}

/* ---------- Contador de cantidad (stepper) ---------- */

.stepper {
    display: inline-flex;
    align-items: center;
    border: 2px solid var(--line);
    border-radius: 3px;
    overflow: hidden;
}

.stepper button {
    all: unset;
    cursor: pointer;
    padding: 0.5rem 0.9rem;
    font-size: 1.2rem;
    color: var(--surface);
    background: var(--ink);
    font-weight: 700;
    min-width: 44px;
    text-align: center;
}

.stepper input {
    width: 3.2rem;
    text-align: center;
    border: none;
    border-radius: 0;
    background: var(--surface);
    padding: 0.5rem 0;
    margin: 0;
    font-weight: 700;
}

/* ---------- Menú desplegable ---------- */

.dropdown-menu {
    position: absolute;
    top: calc(100% + 0.4rem);
    right: 0;
    min-width: 12.5rem;
    background: var(--surface);
    border: 2px solid var(--line);
    border-radius: 3px;
    box-shadow: 4px 4px 0 var(--line);
    z-index: 200;
    padding: 0.4rem;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.dropdown-usuario {
    padding: 0.4rem 0.6rem;
    font-size: 0.78rem;
    color: var(--ink-muted);
    border-bottom: 1px solid var(--line-soft);
    margin-bottom: 0.2rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.dropdown-menu a,
.dropdown-item-btn {
    display: block;
    width: 100%;
    text-align: left;
    padding: 0.55rem 0.6rem;
    border-radius: 2px;
    color: var(--ink);
    text-decoration: none;
    background: none;
    border: none;
    font-size: 0.85rem;
    margin: 0;
    cursor: pointer;
    text-transform: none;
    font-weight: 400;
}

.dropdown-menu a:hover,
.dropdown-item-btn:hover {
    background: var(--paper-alt);
}

/* ---------- Modal de edición ---------- */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(28, 23, 18, 0.55);
    z-index: 150;
}

.modal-card {
    position: fixed;
    top: 8%;
    left: 5%;
    right: 5%;
    max-height: 84vh;
    overflow-y: auto;
    z-index: 200;
    background: var(--surface);
    border: 2px solid var(--line);
    border-radius: 3px;
    padding: 1rem;
    box-shadow: 6px 6px 0 var(--line);
}

.categoria-grupo h4 {
    margin: 1.2rem 0 0.5rem;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--ink);
    font-family: "Bebas Neue", sans-serif;
    border-bottom: 2px dashed var(--line-soft);
    padding-bottom: 0.25rem;
}

/* ---------- Estado vacío ---------- */

.empty-state {
    text-align: center;
    padding: 2.5rem 1rem;
    color: var(--ink-muted);
}

.empty-state .icon {
    width: 42px;
    height: 42px;
    margin: 0 auto 0.75rem;
    opacity: 0.6;
}

/* ---------- Cámara de escaneo ---------- */

#reader {
    border-radius: 3px;
    overflow: hidden;
    border: 2px solid var(--line);
    margin-bottom: 1rem;
}

.toast {
    border-radius: 3px;
    border: 2px solid currentColor;
    padding: 0.7rem 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.toast.ok {
    background: var(--market-green-bg);
    color: var(--market-green-deep);
}

.toast.error {
    background: var(--stamp-red-bg);
    color: var(--stamp-red);
}

.contador-pill {
    display: inline-block;
    background: var(--market-green-bg);
    color: var(--market-green-deep);
    font-weight: 700;
    padding: 0.35rem 0.9rem;
    border: 2px solid var(--market-green-deep);
    border-radius: 3px;
    margin-bottom: 1rem;
}

.total-optimo {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--market-green-deep);
    font-family: "Bebas Neue", sans-serif;
}

.fila-super {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    border-bottom: 1px dotted var(--line-soft);
    padding-bottom: 0.3rem;
}

.fila-super .total {
    font-weight: 700;
}

.fila-super.mas-barato {
    color: var(--market-green-deep);
}