:root {
    --bg: #f5f6f8;
    --panel: #ffffff;
    --ink: #1c2430;
    --muted: #6b7684;
    --line: #dfe3e8;
    --accent: #1f6feb;
    --accent-dark: #1a5fd0;
    --ok: #17794f;
    --ok-bg: #e4f5ec;
    --warn: #9a6500;
    --warn-bg: #fdf3dc;
    --bad: #b32020;
    --bad-bg: #fbe8e8;
    --radius: 8px;
}

* { box-sizing: border-box; }

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

a { color: var(--accent); }

/* Barra superior */

.topbar {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
    padding: 12px 24px;
    background: #16202c;
    color: #fff;
}

.topbar .brand {
    font-weight: 700;
    font-size: 17px;
    color: #fff;
    text-decoration: none;
}

.topbar nav {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

.topbar nav a {
    color: #c6d0da;
    text-decoration: none;
    padding: 4px 0;
    border-bottom: 2px solid transparent;
}

.topbar nav a:hover { color: #fff; }
.topbar nav a.current { color: #fff; border-bottom-color: var(--accent); }

.topbar-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 14px;
}

.active-badge {
    background: #23405f;
    color: #d5e6fb;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 13px;
}

.active-badge.warn { background: #5a4210; color: #ffe3a3; }

.topbar .logout { color: #c6d0da; text-decoration: none; font-size: 14px; }

/* Contenido */

.content {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px;
}

h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 24px 0 10px; }

.page-head {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.page-head .spacer { margin-left: auto; }
.subtitle { color: var(--muted); margin: 0; }

.card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 18px;
    margin-bottom: 18px;
}

.card-tight { padding: 0; overflow: hidden; }

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

@media (max-width: 800px) {
    .grid-2 { grid-template-columns: 1fr; }
}

/* Tablas */

table { width: 100%; border-collapse: collapse; }

th, td {
    text-align: left;
    padding: 10px 14px;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}

th {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--muted);
    background: #fafbfc;
}

tbody tr:last-child td { border-bottom: none; }
tr.unseen td { background: #f3f8ff; }
td.num, th.num { text-align: right; white-space: nowrap; }

.table-wrap { overflow-x: auto; }

/* Formularios */

label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }

input[type=text], input[type=password], input[type=number], input[type=file], select, textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--line);
    border-radius: 6px;
    font: inherit;
    background: #fff;
    color: var(--ink);
}

textarea { min-height: 120px; resize: vertical; }

.field { margin-bottom: 14px; }
.field-row { display: flex; gap: 12px; flex-wrap: wrap; }
.field-row > * { flex: 1; min-width: 160px; }

.btn {
    display: inline-block;
    padding: 8px 16px;
    border: 1px solid transparent;
    border-radius: 6px;
    background: var(--accent);
    color: #fff;
    font: inherit;
    cursor: pointer;
    text-decoration: none;
}

.btn:hover { background: var(--accent-dark); }
.btn-secondary { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-secondary:hover { background: #f0f2f5; }
.btn-danger { background: var(--bad); }
.btn-small { padding: 5px 10px; font-size: 13px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* Avisos */

.flash {
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 14px;
    border: 1px solid transparent;
}

.flash-success { background: var(--ok-bg); color: var(--ok); border-color: #bfe5d2; }
.flash-error { background: var(--bad-bg); color: var(--bad); border-color: #f0c2c2; }
.flash-warning { background: var(--warn-bg); color: var(--warn); border-color: #efd9a5; }

.tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 12px;
    background: #eceff3;
    color: var(--muted);
}

.tag-ok { background: var(--ok-bg); color: var(--ok); }
.tag-warn { background: var(--warn-bg); color: var(--warn); }
.tag-bad { background: var(--bad-bg); color: var(--bad); }
.tag-sim { background: #ece4fb; color: #5b3fa8; }
.tag-new { background: #dbeafe; color: #1d4ed8; }

.muted { color: var(--muted); }
.small { font-size: 13px; }
.empty { color: var(--muted); padding: 28px; text-align: center; }

/* Login */

.login-wrap {
    max-width: 340px;
    margin: 10vh auto;
    padding: 0 20px;
}

.login-wrap h1 { text-align: center; margin-bottom: 20px; }

/* Ticket */

.ticket {
    font-family: "Courier New", monospace;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px;
    max-width: 340px;
    font-size: 13px;
}

.ticket h2 { text-align: center; margin: 0 0 4px; font-size: 15px; }
.ticket hr { border: none; border-top: 1px dashed #aaa; margin: 10px 0; }
.ticket .line { display: flex; justify-content: space-between; gap: 10px; }
.ticket .mod { padding-left: 14px; font-style: italic; }
.ticket .demo-mark { text-align: center; letter-spacing: .1em; margin-top: 12px; }

@media print {
    .topbar, .no-print { display: none !important; }
    .content { padding: 0; }
    .ticket { border: none; max-width: none; }
}

/* Aviso de que el panel dejó de actualizarse */

#stale-warning {
    display: none;
    position: fixed;
    bottom: 16px;
    right: 16px;
    background: var(--bad);
    color: #fff;
    padding: 10px 16px;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,.2);
}