/*
SPDX-FileCopyrightText: 2026 Zygmunt Krynicki

SPDX-License-Identifier: Apache-2.0
*/

:root {
  --bg: #f6f7fb;
  --surface: #ffffff;
  --surface-2: #eef0f6;
  --text: #171a21;
  --muted: #5d6474;
  --line: #dde1ea;
  --accent: #3b6cf6;
  --accent-text: #ffffff;
  --accent-soft: #e3ebff;
  --danger: #c62d2d;
  --danger-soft: #fde8e8;
  --warn: #9a6200;
  --warn-soft: #fff1d6;
  --ok: #1e7a45;
  --radius: 12px;
  --tap: 46px;
  --tabbar: 58px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161c;
    --surface: #1d2028;
    --surface-2: #272b36;
    --text: #e8eaf0;
    --muted: #98a0b3;
    --line: #333847;
    --accent: #6b93ff;
    --accent-text: #0d1220;
    --accent-soft: #24304f;
    --danger: #ff7b7b;
    --danger-soft: #3a2224;
    --warn: #f0b34d;
    --warn-soft: #3a2f18;
    --ok: #59c98a;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior-y: none;
}

button, input, select, textarea { font: inherit; color: inherit; }

.boot { padding: 2rem 1rem; color: var(--muted); text-align: center; }

/* ---- layout ---- */

.shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  max-width: 44rem;
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: calc(.5rem + env(safe-area-inset-top)) 1rem .5rem;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.topbar h1 { flex: 1; margin: 0; font-size: 1.15rem; }

main {
  flex: 1;
  padding: .75rem 1rem calc(var(--tabbar) + 1.5rem + env(safe-area-inset-bottom));
}

.tabbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 5;
  display: flex;
  justify-content: center;
  background: var(--surface);
  border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom);
}

.tabbar > div { display: flex; width: 100%; max-width: 44rem; }

.tabbar a {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  height: var(--tabbar);
  color: var(--muted);
  text-decoration: none;
  font-size: .75rem;
}

.tabbar a[aria-current="page"] { color: var(--accent); }

.badge {
  position: absolute;
  top: 6px;
  left: calc(50% + 8px);
  min-width: 1.2rem;
  padding: 0 .3rem;
  border-radius: 1rem;
  background: var(--danger);
  color: #fff;
  font-size: .7rem;
  line-height: 1.2rem;
  text-align: center;
}

.icon { width: 1.4rem; height: 1.4rem; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* ---- status ---- */

.status {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  min-height: 2.2rem;
  padding: 0 .7rem;
  border: 0;
  border-radius: 1.1rem;
  background: var(--surface-2);
  color: var(--muted);
  font-size: .8rem;
  cursor: pointer;
}

.status.offline { background: var(--warn-soft); color: var(--warn); }
.status.problem { background: var(--danger-soft); color: var(--danger); }
.status.syncing .icon { animation: spin 1s linear infinite; }

@keyframes spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) { .status.syncing .icon { animation: none; } }

.banner {
  margin: 0 0 .75rem;
  padding: .6rem .8rem;
  border-radius: var(--radius);
  background: var(--warn-soft);
  color: var(--warn);
  font-size: .9rem;
}

.banner.error { background: var(--danger-soft); color: var(--danger); }
.banner a { color: inherit; font-weight: 600; }

/* ---- controls ---- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  min-height: var(--tap);
  padding: 0 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  cursor: pointer;
  text-decoration: none;
}

.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
.btn.danger { color: var(--danger); }
.btn.danger.confirm { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn.small { min-height: 2.2rem; padding: 0 .7rem; font-size: .9rem; }
.btn.quiet { border-color: transparent; background: transparent; color: var(--accent); }
.btn:disabled { opacity: .5; cursor: default; }

.field { display: block; margin: 0 0 .9rem; }
.field > span, .label { display: block; margin: 0 0 .25rem; color: var(--muted); font-size: .8rem; }

input[type="text"], input[type="email"], input[type="password"], input[type="search"], select, textarea {
  width: 100%;
  min-height: var(--tap);
  padding: .55rem .75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

textarea { min-height: 6rem; resize: vertical; }

input:focus-visible, select:focus-visible, textarea:focus-visible, .btn:focus-visible, a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.row { display: flex; gap: .5rem; align-items: center; }
.row > input { flex: 1; min-width: 0; }
.grow { flex: 1; min-width: 0; }
.stack > * + * { margin-top: .75rem; }

.seg { display: flex; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
.seg button { flex: 1; min-height: 2.5rem; border: 0; background: transparent; cursor: pointer; }
.seg button[aria-pressed="true"] { background: var(--accent-soft); color: var(--accent); font-weight: 600; }

.chips { display: flex; gap: .4rem; overflow-x: auto; padding: .1rem 0 .3rem; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }

.chip {
  flex: none;
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0 .7rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--surface);
  font-size: .85rem;
  cursor: pointer;
}

.chip[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.tag { display: inline-block; padding: 0 .5rem; border-radius: .6rem; background: var(--surface-2); color: var(--muted); font-size: .75rem; }

/* ---- lists ---- */

.list { margin: 0; padding: 0; list-style: none; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.list > li { display: flex; align-items: center; gap: .5rem; padding: .3rem .5rem .3rem .3rem; }
.list > li + li { border-top: 1px solid var(--line); }

.check {
  flex: none;
  width: var(--tap);
  height: var(--tap);
  display: grid;
  place-items: center;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.check span {
  width: 1.5rem;
  height: 1.5rem;
  display: grid;
  place-items: center;
  border: 2px solid var(--muted);
  border-radius: 50%;
}

.check[aria-checked="true"] span { background: var(--ok); border-color: var(--ok); color: #fff; }
.check .icon { width: 1rem; height: 1rem; stroke-width: 3; }

.item { flex: 1; min-width: 0; display: block; padding: .35rem 0; color: inherit; text-decoration: none; }
.item .title { display: block; overflow-wrap: anywhere; }
.item.done .title { color: var(--muted); text-decoration: line-through; }
.item .meta { display: flex; flex-wrap: wrap; gap: .3rem .5rem; align-items: center; margin-top: .1rem; color: var(--muted); font-size: .8rem; }

.dot { display: inline-block; width: .5rem; height: .5rem; border-radius: 50%; background: var(--warn); }

.empty { padding: 2rem 1rem; color: var(--muted); text-align: center; }

/* ---- forms and cards ---- */

.card { padding: .9rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.card + .card, .card + h2, .list + h2 { margin-top: .75rem; }
h2 { margin: 1.25rem 0 .5rem; font-size: 1rem; }
.card h3 { margin: 0 0 .5rem; font-size: 1rem; }

.comment { padding: .6rem 0; }
.comment + .comment { border-top: 1px solid var(--line); }
.comment p { margin: 0 0 .3rem; white-space: pre-wrap; overflow-wrap: anywhere; }
.comment .meta { color: var(--muted); font-size: .8rem; }

.muted { color: var(--muted); }
.small { font-size: .85rem; }
.err { color: var(--danger); }

.diff { width: 100%; border-collapse: collapse; margin: .5rem 0; font-size: .9rem; }
.diff th { text-align: left; color: var(--muted); font-weight: 500; font-size: .75rem; }
.diff th, .diff td { padding: .25rem .5rem .25rem 0; vertical-align: top; overflow-wrap: anywhere; }

.token {
  display: block;
  padding: .6rem .7rem;
  margin: .5rem 0;
  border-radius: var(--radius);
  background: var(--surface-2);
  font: .85rem/1.3 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  overflow-wrap: anywhere;
  user-select: all;
}

.login { display: grid; min-height: 100dvh; place-items: center; padding: 1rem; }
.login form { width: min(24rem, 100%); }
.login h1 { margin: 0 0 1rem; text-align: center; }

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

.block { width: 100%; }