:root {
  --bg: #f4f5f2;
  --surface: #ffffff;
  --surface-2: #eef0ea;
  --text: #1c211b;
  --muted: #5f6b5c;
  --border: #d9ddd3;
  --accent: #3f8f3a;
  --accent-text: #ffffff;
  --accent-soft: #e3f1e1;
  --danger: #b3261e;
  --danger-soft: #fbe9e7;
  --info-soft: #e8eef8;
  --warn-soft: #fff4d6;
  --code-bg: #1d221c;
  --code-text: #d7e3d2;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0, 0, 0, .06), 0 2px 8px rgba(0, 0, 0, .04);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121511;
    --surface: #1a1e19;
    --surface-2: #232822;
    --text: #e6ebe3;
    --muted: #9aa696;
    --border: #2f362d;
    --accent: #5fb357;
    --accent-text: #0d1a0c;
    --accent-soft: #1f3320;
    --danger: #ef6b61;
    --danger-soft: #3a1d1b;
    --info-soft: #1c2533;
    --warn-soft: #362e15;
    --code-bg: #0b0d0a;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
h1 { font-size: 1.5rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 0 0 .75rem; }
code { font-family: ui-monospace, "Cascadia Code", Menlo, monospace; font-size: .9em; }
hr { border: 0; border-top: 1px solid var(--border); margin: .75rem 0; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
[hidden] { display: none !important; }

/* --- Estructura --- */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 230px; flex: none; background: var(--surface); border-right: 1px solid var(--border);
  padding: 1rem .75rem; display: flex; flex-direction: column; gap: 1rem;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.sidebar ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.sidebar a, .sidebar .link {
  display: block; padding: .5rem .75rem; border-radius: 8px; color: var(--text); text-decoration: none; width: 100%; text-align: left;
}
.sidebar a:hover, .sidebar .link:hover { background: var(--surface-2); }
.sidebar a[aria-current="page"] { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.nav-secondary { margin-top: auto !important; border-top: 1px solid var(--border); padding-top: .75rem !important; }
.brand { display: flex; align-items: center; gap: .5rem; font-weight: 700; color: var(--text); text-decoration: none; padding: .25rem .5rem; }
.topbar { display: none; }
.content { flex: 1; min-width: 0; padding: 1.5rem; max-width: 1200px; }
.page-head { display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; margin-bottom: 1rem; }

@media (max-width: 860px) {
  .topbar {
    display: flex; align-items: center; gap: .5rem; padding: .5rem 16px; background: var(--surface);
    border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 20;
  }
  .nav-toggle { font-size: 1.3rem; background: none; border: 0; color: var(--text); padding: .25rem .5rem; cursor: pointer; }
  .sidebar {
    position: fixed; z-index: 30; top: 0; left: 0; height: 100vh; transform: translateX(-100%);
    transition: transform .2s ease; box-shadow: 0 0 24px rgba(0, 0, 0, .25);
  }
  .sidebar.open { transform: none; }
  .content { padding: 1rem 16px; }
}

/* --- Tarjetas y grillas --- */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem 1.1rem; box-shadow: var(--shadow); margin-bottom: 1rem; min-width: 0;
}
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1rem; }
@media (max-width: 400px) { .grid { grid-template-columns: 1fr; } }
.grid > .card { margin-bottom: 0; }
.grid + .card, .card + .grid { margin-top: 1rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); margin-bottom: 1rem; }
@media (max-width: 400px) { .grid-2 { grid-template-columns: 1fr; } }

.kv { display: grid; grid-template-columns: max-content 1fr; gap: .35rem 1rem; margin: 0 0 .75rem; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; min-width: 0; overflow-wrap: break-word; }

.list { list-style: none; margin: 0 0 .75rem; padding: 0; }
.list li { padding: .45rem 0; border-bottom: 1px solid var(--border); }
.list li:last-child { border-bottom: 0; }
.list-row { display: flex; justify-content: space-between; align-items: center; gap: .75rem; flex-wrap: wrap; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); margin-right: .5rem; }

/* --- Tablas --- */
.table-wrap { overflow-x: auto; margin: 0 -.25rem; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .55rem .5rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
.row-warn td { background: var(--warn-soft); }
td.row-actions { text-align: right; }
.row-actions > * { display: inline-block; margin: 2px 0 2px .3rem; vertical-align: middle; }
.row-actions form { margin: 2px 0 2px .3rem; }

/* --- Formularios --- */
label { display: grid; gap: .3rem; font-weight: 500; }
input, select {
  font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; padding: .5rem .65rem; width: 100%; min-width: 0;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
input[type="checkbox"] { width: auto; }
.check { display: flex; align-items: center; gap: .5rem; font-weight: 400; }
.stack { display: grid; gap: .75rem; }
.row { display: flex; gap: .6rem; flex-wrap: wrap; align-items: end; }
.row > label { flex: 1 1 140px; }
.row > input { flex: 1 1 160px; width: auto; }
.code-input { font-size: 1.3rem; letter-spacing: .3em; text-align: center; max-width: 12rem; }
.error-text { color: var(--danger); font-size: .85rem; }
.settings { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem 1.25rem; }
.setting { align-content: start; }
.setting-label { display: flex; flex-wrap: wrap; gap: .25rem .5rem; align-items: baseline; }
.has-error input, .has-error select { border-color: var(--danger); }
.sticky-actions {
  position: sticky; bottom: 0; display: flex; gap: .6rem; justify-content: flex-end; flex-wrap: wrap;
  padding: .75rem 1rem; margin: 0 -1rem; background: var(--bg); border-top: 1px solid var(--border);
}

/* --- Botones --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .35rem; font: inherit; font-weight: 600;
  padding: .5rem .95rem; border-radius: 8px; border: 1px solid var(--border); background: var(--surface-2);
  color: var(--text); text-decoration: none; cursor: pointer; white-space: nowrap; list-style: none;
}
.btn:hover { filter: brightness(.96); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn-danger { background: var(--danger-soft); border-color: var(--danger); color: var(--danger); }
.btn-small { padding: .3rem .65rem; font-size: .85rem; }
.btn-block { width: 100%; }
.link { background: none; border: 0; color: var(--accent); font: inherit; cursor: pointer; padding: 0; }
.actions { display: flex; gap: .5rem; flex-wrap: wrap; }
.actions form { margin: 0; }

/* --- Etiquetas y avisos --- */
.pill {
  display: inline-block; padding: .15rem .6rem; border-radius: 999px; font-size: .8rem; font-weight: 600;
  background: var(--surface-2); color: var(--muted); border: 1px solid var(--border);
}
.pill-ok { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.pill-off { background: var(--danger-soft); color: var(--danger); border-color: transparent; }
.flash { padding: .65rem .9rem; border-radius: 8px; margin: 0 0 1rem; border: 1px solid transparent; overflow-wrap: anywhere; }
.flash-ok { background: var(--accent-soft); }
.flash-error { background: var(--danger-soft); color: var(--danger); }
.flash-info { background: var(--info-soft); }
.flash-secret { background: var(--warn-soft); font-family: ui-monospace, Menlo, monospace; }
.banner {
  display: block; background: var(--warn-soft); padding: .6rem .9rem; border-radius: 8px; margin-bottom: 1rem;
  color: var(--text); text-decoration: none; font-weight: 600;
}

/* --- Menús desplegables de cada fila --- */
.inline-details { position: relative; }
.inline-details > summary::-webkit-details-marker { display: none; }
.popover {
  position: absolute; right: 0; top: calc(100% + 6px); z-index: 10; width: min(300px, 80vw);
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: .9rem; box-shadow: 0 6px 24px rgba(0, 0, 0, .18); text-align: left;
}

/* --- Registros y consola --- */
.log {
  background: var(--code-bg); color: var(--code-text); border-radius: 8px; padding: .75rem .9rem; margin: 0 0 .75rem;
  font: .8rem/1.45 ui-monospace, "Cascadia Code", Menlo, monospace; white-space: pre-wrap; overflow-wrap: anywhere;
  max-height: 60vh; overflow-y: auto;
}
.log-tall { max-height: 70vh; }
.lvl-warn { color: #f0c674; }
.lvl-error { color: #ff8a80; }
.console { height: 60vh; }
.console-filter { margin-bottom: .6rem; }
.console.hide-maint .maint { display: none; }
.console .sys { color: #8aa384; }
.console .cmd { color: #9ccc65; }
.console-input { display: flex; gap: .5rem; align-items: center; }
.console-input input { flex: 1; font-family: ui-monospace, Menlo, monospace; }
.prompt { font: 600 1.1rem ui-monospace, monospace; color: var(--muted); }

/* --- Acceso --- */
.auth { min-height: 100vh; display: grid; place-items: center; padding: 1rem 16px; }
.auth-card { width: min(380px, 100%); display: grid; gap: .9rem; text-align: center; }
.auth-card label { text-align: left; }
.auth-card h1 { font-size: 1.35rem; }
.auth-card p { margin: 0; }
.auth-logo { margin: 0 auto; }
.qr { display: block; background: #fff; border-radius: 8px; margin: .5rem 0; max-width: 100%; height: auto; }
.secret { overflow-wrap: anywhere; }

/* --- Tablas como tarjetas en pantallas angostas --- */
@media (max-width: 700px) {
  .table-cards thead { display: none; }
  .table-cards, .table-cards tbody, .table-cards tr, .table-cards td { display: block; width: 100%; }
  .table-cards tr { border-bottom: 1px solid var(--border); padding: .6rem 0; }
  .table-cards tr:last-child { border-bottom: 0; }
  .table-cards td { border: 0; padding: .15rem 0; }
  .table-cards td[data-label]::before {
    content: attr(data-label) ": "; color: var(--muted); font-size: .8rem; font-weight: 600;
  }
  .table-cards td:first-child::before { display: none; }
  .table-cards td.row-actions { text-align: left; padding-top: .5rem; }
  .table-cards .row-actions > *, .table-cards .row-actions form { margin: 2px .3rem 2px 0; }
  .popover { left: 0; right: auto; }
  .table-wrap { overflow: visible; }
}