/* The shared design system. One stylesheet, no framework.
   Neutrals are warm "paper" greys and ink is the only accent; an app adds
   its own colors only for data that needs telling apart, never for decoration. */

:root {
  color-scheme: light;
  --plane: #f5f4f0;
  --surface: #fcfcfb;
  --sunken: #efeee9;
  --hover: rgba(11, 11, 11, 0.04);
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e4e3dc;
  --deemph: #c9c8bf;
  --border: rgba(11, 11, 11, 0.09);
  --border-2: rgba(11, 11, 11, 0.16);
  --on-ink: #fcfcfb;
  --critical: #c93636;
  --good: #006300;
  --shadow: 0 1px 2px rgba(11, 11, 11, 0.05), 0 12px 32px rgba(11, 11, 11, 0.12);
  --r: 10px;
  --r-sm: 7px;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --plane: #0d0d0d;
    --surface: #1a1a19;
    --sunken: #141413;
    --hover: rgba(255, 255, 255, 0.05);
    --ink: #f0efec;
    --ink-2: #c3c2b7;
    --muted: #8f8d86;
    --grid: #2c2c2a;
    --deemph: #4a4945;
    --border: rgba(255, 255, 255, 0.08);
    --border-2: rgba(255, 255, 255, 0.15);
    --on-ink: #0d0d0d;
    --critical: #ec6a6a;
    --good: #0ca30c;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.5), 0 12px 32px rgba(0, 0, 0, 0.6);
  }
}

/* Base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--plane);
  color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
p, h1, h2, h3, dl, dd, figure { margin: 0; }
h1, h2, h3 { font-weight: 600; }
ul { margin: 0; padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
code { font: 13px ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--sunken); padding: 1px 5px; border-radius: 4px; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
::selection { background: color-mix(in oklab, #2a78d6 28%, transparent); }
[hidden] { display: none !important; }

/* Header */
.top {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--plane);
  border-bottom: 1px solid var(--border);
}
.top-in {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  font-weight: 650;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.mark { width: 20px; height: 20px; flex: none; }
.nav {
  display: flex;
  gap: 2px;
  flex: 1;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav::-webkit-scrollbar { display: none; }
.nav a {
  padding: 6px 11px;
  border-radius: var(--r-sm);
  color: var(--ink-2);
  font-size: 14px;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}
.nav a:hover { background: var(--hover); color: var(--ink); }
.nav a[aria-current] { background: var(--surface); color: var(--ink); box-shadow: 0 0 0 1px var(--border); }
.gear { display: grid; place-items: center; width: 32px; height: 32px; border-radius: var(--r-sm); color: var(--ink-2); }
.gear svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linejoin: round; }
.gear:hover, .gear[aria-current] { background: var(--surface); color: var(--ink); box-shadow: 0 0 0 1px var(--border); }

/* Layout */
.page { max-width: 1160px; margin: 0 auto; padding: 36px 24px 96px; }
.head { margin-bottom: 28px; gap: 16px; }
.head h1 { font-size: 30px; line-height: 1.15; letter-spacing: -0.025em; font-weight: 650; }
.sub { margin-top: 6px; color: var(--muted); font-size: 14px; }
.cols { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 32px; align-items: start; }
.col-main, .col-side { display: grid; gap: 28px; min-width: 0; }
.col-side { gap: 16px; }
.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 16px; }
.block { display: grid; gap: 12px; align-content: start; }
/* Single-column grids get an explicit 0-minimum track: an implicit "auto" one
   grows to its widest unbreakable content (a token, a URL) and overflows. */
.block, .stack, .col-main, .col-side, .settings-main, .setting { grid-template-columns: minmax(0, 1fr); }
.row { display: flex; align-items: center; gap: 10px; }
.wrap { flex-wrap: wrap; }
.between { justify-content: space-between; }
.end { justify-content: flex-end; }
.stack { display: grid; gap: 12px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); }
.pad { padding: 18px 20px; }
.h2 { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--ink-2); }
.card.pad > .h2 { margin-bottom: 12px; }
.count { color: var(--muted); font-weight: 500; font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.empty { color: var(--muted); font-size: 14px; }
.link { text-decoration: underline; text-decoration-color: var(--border-2); text-underline-offset: 3px; }
.link:hover { text-decoration-color: currentColor; }
.note { font-size: 13.5px; color: var(--ink-2); background: var(--sunken); border-radius: var(--r-sm); padding: 9px 12px; }
.hint { margin-top: 14px; font-size: 13px; color: var(--muted); }
.label { display: block; margin-bottom: 4px; font-size: 12px; font-weight: 500; color: var(--muted); }
.tag {
  display: inline-block;
  padding: 0 6px;
  border: 1px solid var(--border-2);
  border-radius: 5px;
  font-size: 12px;
  line-height: 18px;
  color: var(--ink-2);
  white-space: nowrap;
}
.ok { color: var(--good); font-weight: 500; }
.error { color: var(--critical); font-size: 14px; }
.more { display: inline-block; margin-top: 12px; font-size: 13px; color: var(--ink-2); }
.more:hover { color: var(--ink); }
kbd {
  padding: 0 5px;
  border: 1px solid var(--border-2);
  border-bottom-width: 2px;
  border-radius: 4px;
  font: 11px/16px ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--muted);
}

/* Controls */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 34px;
  padding: 0 14px;
  border: 1px solid var(--border-2);
  border-radius: var(--r-sm);
  background: var(--surface);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s, transform 0.1s;
}
.btn:hover { background: var(--sunken); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--ink); border-color: var(--ink); color: var(--on-ink); }
.btn.primary:hover { opacity: 0.86; }
.btn.ghost { background: transparent; border-color: transparent; color: var(--ink-2); }
.btn.ghost:hover { background: var(--hover); color: var(--ink); }
.btn.sm { height: 28px; padding: 0 10px; font-size: 13px; }
.btn.wide { width: 100%; }
.btn.danger { color: var(--critical); }
.btn:disabled { opacity: 0.45; cursor: default; }
.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: none;
  color: var(--muted);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}
.icon-btn:hover { background: var(--hover); color: var(--ink); }

input:not([type="hidden"]), select, textarea {
  width: 100%;
  min-width: 0;
  padding: 7px 11px;
  border: 1px solid var(--border-2);
  border-radius: var(--r-sm);
  background: var(--surface);
  font-size: 14px;
  line-height: 1.45;
  transition: border-color 0.15s, box-shadow 0.15s;
}
input:not([type="hidden"]), select { height: 36px; }
select {
  appearance: none;
  padding-right: 30px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%23898781' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 11px center;
  cursor: pointer;
}
textarea { min-height: 60px; resize: vertical; field-sizing: content; }
input::placeholder, textarea::placeholder { color: var(--muted); opacity: 1; }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--ink-2);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--ink) 10%, transparent);
}

.check {
  display: grid;
  place-items: center;
  flex: none;
  width: 20px;
  height: 20px;
  padding: 0;
  border: 1.5px solid var(--deemph);
  border-radius: 6px;
  background: var(--surface);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
}
.check:hover { border-color: var(--ink-2); }
.check:active { transform: scale(0.9); }
.check.on { background: var(--ink); border-color: var(--ink); }
.check.on::after {
  content: "";
  width: 9px;
  height: 5px;
  border: 2px solid var(--on-ink);
  border-top: 0;
  border-right: 0;
  transform: translateY(-1px) rotate(-45deg);
}
.check.ghost { border-style: dashed; cursor: default; }

.meter { display: block; height: 4px; border-radius: 4px; background: var(--grid); overflow: hidden; }
.meter > i { display: block; height: 100%; border-radius: inherit; background: var(--ink); transition: width 0.4s ease; }
.dot { display: inline-block; flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--c, var(--muted)); }

/* Tabs and chips */
.tabs { display: inline-flex; gap: 2px; padding: 3px; border-radius: 9px; background: var(--sunken); }
.tabs a { padding: 5px 13px; border-radius: var(--r-sm); font-size: 13.5px; color: var(--ink-2); }
.tabs a:hover { color: var(--ink); }
.tabs a[aria-current] { background: var(--surface); color: var(--ink); box-shadow: 0 0 0 1px var(--border), 0 1px 2px rgba(11, 11, 11, 0.06); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 28px;
  padding: 0 11px;
  border: 1px solid var(--border-2);
  border-radius: 99px;
  background: var(--surface);
  font-size: 13px;
  color: var(--ink-2);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}
.chip:hover { color: var(--ink); border-color: var(--deemph); }
.chip[aria-current] { color: var(--ink); border-color: var(--ink); box-shadow: inset 0 0 0 0.5px var(--ink); }

/* Login and first run */
.login { display: grid; place-items: center; min-height: calc(100dvh - 140px); }
.login form { width: min(360px, 100%); padding: 32px; gap: 16px; }
.login .mark { width: 28px; height: 28px; }
.login h1 { font-size: 22px; letter-spacing: -0.02em; }
.setup-form .btn { margin-top: 4px; }

/* Settings */
.settings { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 32px; align-items: start; }
.settings-nav { position: sticky; top: 76px; display: grid; gap: 2px; }
.settings-nav a { padding: 6px 10px; border-radius: var(--r-sm); font-size: 14px; color: var(--ink-2); }
.settings-nav a:hover { background: var(--hover); color: var(--ink); }
.settings-main { display: grid; gap: 16px; min-width: 0; }
.setting { display: grid; gap: 18px; padding: 22px 24px; scroll-margin-top: 76px; }
.setting-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.setting-head h2 { font-size: 18px; letter-spacing: -0.01em; margin-bottom: 2px; }
.setting-foot { padding-top: 14px; border-top: 1px solid var(--border); }
.pill { flex: none; padding: 2px 10px; border-radius: 99px; background: var(--sunken); font-size: 12.5px; color: var(--ink-2); white-space: nowrap; }
.pill.ok { color: var(--good); background: color-mix(in oklab, var(--good) 10%, var(--surface)); }
.hint-text { display: block; margin-top: 6px; font-size: 12.5px; color: var(--muted); }
.field { display: block; }
.field .label { margin-bottom: 5px; }
.field.narrow { max-width: 360px; }
.fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px; }
.models { display: grid; gap: 6px; margin: 0; padding: 0; border: 0; min-width: 0; }
.model {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 11px 14px;
  border: 1px solid var(--border-2);
  border-radius: var(--r);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.model:hover { border-color: var(--deemph); }
.model:has(input[type="radio"]:checked) { border-color: var(--ink); box-shadow: inset 0 0 0 0.5px var(--ink); }
.model input[type="radio"] { width: 16px; height: 16px; margin: 0; accent-color: var(--ink); }
.model-body { display: grid; gap: 2px; min-width: 0; }
.model-body input { margin-top: 6px; }
.model-name { font-weight: 550; font-size: 14.5px; }
.model-price { display: grid; justify-items: end; text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.reminder { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--border); }
.reminder input[type="time"] { width: 120px; }
.check-label { display: inline-flex; align-items: center; gap: 10px; font-size: 14.5px; cursor: pointer; }
.check-label input { width: 17px; height: 17px; margin: 0; accent-color: var(--ink); }
.channels { display: flex; flex-wrap: wrap; gap: 8px 24px; margin: 0; padding: 0; border: 0; }
.channels legend { width: 100%; margin-bottom: 6px; }
.subsection { display: grid; gap: 12px; padding-top: 18px; border-top: 1px solid var(--border); }
.device { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 6px 0; font-size: 14px; }
.howto { padding: 10px 14px; border-radius: var(--r-sm); background: var(--sunken); font-size: 14px; }
.howto summary { cursor: pointer; font-weight: 550; }
.howto[open] summary { margin-bottom: 8px; }
.howto ol, .guide { display: grid; gap: 6px; margin: 0; padding-left: 20px; line-height: 1.55; }
.howto p { margin-top: 8px; }
.howto code, .setting code { font-size: 12.5px; overflow-wrap: anywhere; }
.copy-row { display: flex; align-items: center; gap: 8px; margin-top: 4px; }
.secret { flex: 1; min-width: 0; padding: 7px 10px; border-radius: var(--r-sm); overflow: hidden; white-space: nowrap; text-overflow: ellipsis; filter: blur(4px); transition: filter 0.2s; }
.copy-row:hover .secret, .secret:focus { filter: none; }
.inline-form { display: flex; gap: 8px; }
.inline-form input { flex: 1; }
.tg-status { display: grid; gap: 10px; font-size: 14.5px; }
.backups { display: grid; gap: 4px; }
.backups li { display: flex; justify-content: space-between; gap: 10px; font-size: 13.5px; }

/* Floating: toast, tooltip, dialog */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 50;
  max-width: calc(100vw - 32px);
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--on-ink);
  font-size: 14px;
  box-shadow: var(--shadow);
  pointer-events: none;
  animation: toast 4.2s ease forwards;
}
.toast.error { background: var(--critical); color: #fff; }
.toast.ok { background: var(--ink); color: var(--on-ink); }
.tip {
  position: absolute;
  z-index: 60;
  padding: 5px 9px;
  border-radius: 6px;
  background: var(--ink);
  color: var(--on-ink);
  font-size: 12.5px;
  white-space: nowrap;
  pointer-events: none;
  transform: translate(-50%, calc(-100% - 6px));
}
.dialog {
  width: min(480px, calc(100vw - 32px));
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow);
}
.dialog::backdrop { background: rgba(11, 11, 11, 0.4); }
.dialog h2 { font-size: 18px; letter-spacing: -0.01em; }

@keyframes toast {
  0% { opacity: 0; transform: translate(-50%, 10px); }
  7%, 86% { opacity: 1; transform: translate(-50%, 0); }
  100% { opacity: 0; transform: translate(-50%, 10px); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition: none !important; }
}

/* Narrow screens */
@media (max-width: 1100px) {
  .top .brand span { display: none; }
  .top-in { gap: 18px; }
  .nav { mask-image: linear-gradient(to right, #000 88%, transparent); padding-right: 24px; }
}
@media (max-width: 960px) {
  .cols, .grid2, .settings { grid-template-columns: minmax(0, 1fr); }
  .settings-nav { position: static; display: flex; flex-wrap: wrap; }
}
@media (max-width: 640px) {
  .top-in { gap: 12px; padding: 0 16px; }
  .page { padding: 24px 16px 80px; }
  .head h1 { font-size: 25px; }
  .setting { padding: 18px; }
  .inline-form { flex-wrap: wrap; }
  .model { grid-template-columns: auto minmax(0, 1fr); }
  .model-price { grid-column: 2; justify-items: start; }
  kbd { display: none; }
}