:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --ok: #16a34a;
  --warn: #d97706;
  --warn-bg: #fffbeb;
  --warn-border: #fcd34d;
  --error-bg: #fef2f2;
  --error-border: #fca5a5;
  --row-hover: #f9fafb;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.08);
  --radius: 10px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0f17;
    --surface: #131926;
    --text: #e5e7eb;
    --muted: #9ca3af;
    --border: #253047;
    --primary: #3b82f6;
    --primary-hover: #60a5fa;
    --danger: #ef4444;
    --danger-hover: #f87171;
    --ok: #22c55e;
    --warn: #f59e0b;
    --warn-bg: #2a2112;
    --warn-border: #78531a;
    --error-bg: #2a1215;
    --error-border: #7f1d1d;
    --row-hover: #182032;
    --shadow: none;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 40px 16px 24px;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.brand { display: flex; align-items: center; gap: 12px; }
.top-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
a.btn { display: inline-block; text-decoration: none; }
.brand img { border-radius: 9px; }

h1 { margin: 0; font-size: 22px; letter-spacing: -0.01em; }
h2 { margin: 0 0 16px; font-size: 18px; }

.subtitle { margin: 0; color: var(--muted); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

/* position: relative keeps the hidden column label inside the scroll box. */
.table-wrap { overflow-x: auto; position: relative; }

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

th, td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

th {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--row-hover); }

.mono { font-family: var(--mono); font-size: 13.5px; }
.strong { font-weight: 600; }

td a { color: var(--primary); text-decoration: none; }
td a:hover { text-decoration: underline; }

.actions-cell { text-align: right; width: 1%; }

.status { display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); display: inline-block; }
.status-active .dot { background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 20%, transparent); }
.status-missing .dot { background: var(--danger); }
.status-conflict .dot { background: var(--warn); }
.status-paused { color: var(--muted); }
.status-paused .dot { background: transparent; box-shadow: inset 0 0 0 2px var(--muted); }
.status-wrap { display: inline-flex; align-items: center; gap: 10px; vertical-align: middle; }
.row-paused .fade { opacity: 0.5; }

.empty { padding: 40px 16px; text-align: center; color: var(--muted); }
.empty-title { color: var(--text); font-weight: 600; margin: 0 0 4px; }
.empty p { margin: 0; }

code {
  font-family: var(--mono);
  font-size: 0.92em;
  background: color-mix(in srgb, var(--muted) 14%, transparent);
  padding: 1px 5px;
  border-radius: 4px;
}

.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
}
.btn:hover { border-color: var(--muted); }
.btn:disabled { opacity: 0.6; cursor: progress; }
.btn:focus-visible, input:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }

.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger-hover); border-color: var(--danger-hover); }

.btn-small { padding: 4px 10px; font-size: 13px; }
.btn-ghost { border-color: transparent; background: transparent; color: var(--primary); }
.btn-ghost:hover { border-color: var(--primary); }
.actions-cell .btn + .btn { margin-left: 4px; }
.btn-ghost-danger { border-color: transparent; background: transparent; color: var(--danger); }
.btn-ghost-danger:hover { border-color: var(--danger); }

.banner {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 16px;
  background: var(--surface);
}
.banner-warn { background: var(--warn-bg); border-color: var(--warn-border); }
.banner-error { background: var(--error-bg); border-color: var(--error-border); }

/* Port-free URLs switch */
.router-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px 16px;
  margin-bottom: 16px;
}
.router-text { min-width: 0; }
.router-title { margin: 0 0 2px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.router-desc { margin: 0; color: var(--muted); font-size: 13.5px; overflow-wrap: anywhere; }
.pill { font-size: 12px; font-weight: 600; padding: 1px 8px; border-radius: 999px; border: 1px solid var(--border); }
.pill-on { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 45%, transparent); }
.pill-off { color: var(--muted); }

.switch { position: relative; display: inline-block; width: 46px; height: 26px; flex: none; margin: 0; }
.switch input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.switch input:disabled { cursor: not-allowed; }
.slider {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 999px;
  transition: background 0.15s;
  pointer-events: none;
}
.slider::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  transition: transform 0.15s;
}
.switch input:checked + .slider { background: var(--ok); }
.switch input:checked + .slider::after { transform: translateX(20px); }
.switch input:disabled + .slider { opacity: 0.5; }
.switch input:focus-visible + .slider { outline: 2px solid var(--primary); outline-offset: 2px; }
.switch-small { width: 34px; height: 20px; }
.switch-small .slider::after { top: 3px; left: 3px; width: 14px; height: 14px; }
.switch-small input:checked + .slider::after { transform: translateX(14px); }

/* One-click hostname endings in the Add and Edit dialogs */
.suffixes { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 8px; }
.suffixes-label { font-size: 12.5px; color: var(--muted); margin-right: 2px; }
.chip {
  appearance: none;
  font: inherit;
  font-family: var(--mono);
  font-size: 12.5px;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip:focus-visible { outline: 2px solid var(--primary); outline-offset: 1px; }
.chip-on { background: var(--primary); border-color: var(--primary); color: #fff; }
.chip-on:hover { color: #fff; }
.suffix-hint { font-size: 12.5px; margin: 8px 0 0 !important; }
.suffix-hint-warn { color: var(--warn) !important; }

.note { font-size: 13px; color: var(--ok) !important; margin: 8px 0 0 !important; }
.callout {
  color: var(--text) !important;
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  border-radius: 8px;
  padding: 10px 12px;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  margin-top: 16px;
  color: var(--muted);
  font-size: 13px;
}

dialog {
  width: min(440px, calc(100vw - 32px));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}
dialog::backdrop { background: rgba(15, 23, 42, 0.45); }
dialog p { margin: 0 0 12px; color: var(--muted); }

label { display: block; font-weight: 600; font-size: 14px; margin: 12px 0 6px; }

input {
  width: 100%;
  font: inherit;
  font-family: var(--mono);
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
}

.help { font-size: 13px; margin-top: 8px; }

.form-error {
  color: var(--danger) !important;
  font-size: 14px;
  background: var(--error-bg);
  border: 1px solid var(--error-border);
  border-radius: 8px;
  padding: 8px 10px;
}

.actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: var(--text);
  color: var(--bg);
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 500;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

[hidden] { display: none !important; }

@media (max-width: 640px) {
  .page { padding-top: 24px; }
  .top { flex-wrap: wrap; }
  .router-card { align-items: flex-start; }
  th, td { padding: 10px 12px; }
}