/* Escaner Flex: misma paleta y tema (jztech-theme) que la JZTech Suite. */
:root {
    --bg-page: #f4f6f9;
    --bg-surface: #ffffff;
    --accent: #2962ff;
    --accent-hover: #1f4fd1;
    --success: #00a844;
    --danger: #d50000;
    --warning: #b07d00;
    --text-primary: #212529;
    --text-secondary: #555555;
    --text-muted: #888888;
    --border: #e0e0e0;
    --input-bg: #ffffff;
    --th-bg: #f8f9fa;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    --ok-bg: rgba(0, 200, 83, 0.12);
    --err-bg: rgba(213, 0, 0, 0.10);
    --warn-bg: rgba(255, 193, 7, 0.16);
}

[data-theme="dark"] {
    --bg-page: #121212;
    --bg-surface: #1e1e1e;
    --accent: #3d70ff;
    --accent-hover: #5a85ff;
    --success: #00e676;
    --danger: #ff5252;
    --warning: #ffca28;
    --text-primary: #e0e0e0;
    --text-secondary: #b5b5b5;
    --text-muted: #8a8a8a;
    --border: #333333;
    --input-bg: #2d2d2d;
    --th-bg: #2a2a2a;
    --shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
    --ok-bg: rgba(0, 230, 118, 0.12);
    --err-bg: rgba(255, 82, 82, 0.14);
    --warn-bg: rgba(255, 202, 40, 0.12);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg-page);
    color: var(--text-primary);
    font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.oculto { display: none !important; }
.mono { font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; }
.muted { color: var(--text-muted); }

svg.icono { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }

/* Barra superior */
.barra {
    position: sticky; top: 0; z-index: 10;
    display: flex; align-items: center; gap: 12px;
    padding: 10px 20px;
    background: var(--bg-surface);
    border-top: 4px solid var(--accent);
    border-bottom: 1px solid var(--border);
}
.barra .marca { font-weight: 700; letter-spacing: 0.02em; display: flex; align-items: center; gap: 8px; }
.barra .marca svg.icono { color: var(--accent); width: 22px; height: 22px; }
.barra .espacio { flex: 1; }
.barra .usuario { color: var(--text-secondary); font-size: 14px; }

main { max-width: 1100px; margin: 0 auto; padding: 20px 16px 48px; }

.tarjeta {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 18px 20px;
    margin-bottom: 18px;
}
.tarjeta h2 { margin: 0 0 14px; font-size: 16px; display: flex; align-items: center; gap: 8px; }

/* Formularios */
label { display: block; font-size: 13px; color: var(--text-secondary); margin-bottom: 4px; }
input, select {
    width: 100%;
    padding: 9px 11px;
    font: inherit;
    color: var(--text-primary);
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 6px;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: var(--accent); }
.grilla { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px 16px; }
.campo { min-width: 0; }
.acciones { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; align-items: center; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 8px 14px;
    font: inherit; font-weight: 600; font-size: 14px;
    color: var(--text-primary);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.primario { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primario:hover { background: var(--accent-hover); color: #fff; }
.btn.peligro:hover { border-color: var(--danger); color: var(--danger); }
.btn.chico { padding: 4px 8px; font-size: 13px; }
.btn.icono-solo { padding: 6px; }

/* Tablas */
.tabla-env { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { background: var(--th-bg); font-weight: 600; color: var(--text-secondary); font-size: 13px; }
td.num, th.num { text-align: right; }
tr:hover td { background: rgba(127, 127, 127, 0.04); }

.etiqueta {
    display: inline-block; padding: 2px 8px; border-radius: 10px;
    font-size: 12px; font-weight: 600; border: 1px solid var(--border);
}
.etiqueta.abierta { color: var(--success); border-color: var(--success); }
.etiqueta.cerrada { color: var(--text-muted); }

/* Login */
.centrado { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.centrado .tarjeta { width: 100%; max-width: 380px; border-top: 4px solid var(--accent); }
.centrado .campo + .campo { margin-top: 12px; }
.centrado .btn.primario { width: 100%; margin-top: 18px; }
.aviso-clave {
    padding: 10px 12px; border-radius: 6px; background: var(--warn-bg);
    font-size: 14px; margin-bottom: 12px;
}
.clave-mostrada { font-size: 20px; padding: 10px; text-align: center; background: var(--th-bg); border-radius: 6px; user-select: all; }

/* Pantalla de escaneo */
.cabecera-ola { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 8px 16px; }
.cabecera-ola div span { display: block; font-size: 12px; color: var(--text-muted); }
.cabecera-ola div strong { font-weight: 600; word-break: break-word; }

.escaneo { display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: stretch; }
.contador {
    min-width: 160px; text-align: center; border: 1px solid var(--border); border-radius: 8px;
    padding: 10px 16px; display: flex; flex-direction: column; justify-content: center;
}
.contador strong { font-size: 48px; line-height: 1; font-variant-numeric: tabular-nums; }
.contador span { color: var(--text-muted); font-size: 13px; }
#lectura { font-size: 20px; padding: 14px; font-family: ui-monospace, Consolas, monospace; }
.estado-lectura {
    margin-top: 10px; padding: 10px 12px; border-radius: 6px; font-weight: 600;
    background: var(--th-bg); color: var(--text-secondary); min-height: 44px;
    display: flex; align-items: center; gap: 8px;
}
.estado-lectura.ok { background: var(--ok-bg); color: var(--success); }
.estado-lectura.error { background: var(--err-bg); color: var(--danger); }
.estado-lectura.aviso { background: var(--warn-bg); color: var(--warning); }

.camara { margin-top: 12px; position: relative; max-width: 480px; }
.camara video { width: 100%; border-radius: 8px; background: #000; display: block; }
.camara .mira {
    position: absolute; inset: 18% 14%; border: 2px solid rgba(255, 255, 255, 0.85);
    border-radius: 8px; pointer-events: none;
}

/* Notificaciones */
#toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 100; }
.toast {
    background: var(--bg-surface); border: 1px solid var(--border); border-left: 4px solid var(--accent);
    box-shadow: var(--shadow); border-radius: 6px; padding: 10px 14px; max-width: 360px; font-size: 14px;
}
.toast.danger { border-left-color: var(--danger); }
.toast.success { border-left-color: var(--success); }

dialog {
    border: 1px solid var(--border); border-radius: 8px; padding: 20px;
    background: var(--bg-surface); color: var(--text-primary); width: min(640px, calc(100vw - 32px));
}
dialog::backdrop { background: rgba(0, 0, 0, 0.45); }
dialog h2 { margin-top: 0; font-size: 16px; }

@media (max-width: 640px) {
    .barra { padding: 8px 12px; flex-wrap: wrap; }
    .barra .usuario { display: none; }
    .escaneo { grid-template-columns: 1fr; }
    .contador { flex-direction: row; gap: 10px; align-items: baseline; justify-content: center; }
    .contador strong { font-size: 36px; }
    main { padding: 12px 10px 40px; }
    .tarjeta { padding: 14px; }
    .cabecera-ola { grid-template-columns: 1fr 1fr; }
    th, td { padding: 7px 6px; }
}
.separado { margin-top: 14px; }
.acciones .espacio { flex: 1; }