:root {
  color-scheme: dark;
  --bg: #12151a;
  --fg: #eef1f6;
  --muted: #9aa3b2;
  --card: #1b2028;
  --card-hover: #222833;
  --line: #2c3440;
  --accent: #6ea8ff;
  --accent-fg: #0f1217;
  --mine: #ff9a4d;
  --mine-bg: rgba(255, 154, 77, 0.16);
  --control: #5b9dff;
  --control-bg: rgba(91, 157, 255, 0.16);
  --ok: #4ec98a;
  --ok-bg: rgba(78, 201, 138, 0.14);
  --radius: 8px;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  min-height: 100%;
}

body {
  padding: 12px 12px 28px;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}
h1 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}
.sub {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.filters {
  display: grid;
  gap: 8px;
  margin-bottom: 10px;
}
.tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }

.tabs button,
.ghost,
.list button,
dialog button {
  border: 0;
  border-radius: 8px;
  padding: 7px 11px;
  background: var(--card);
  color: var(--muted);
  font: inherit;
  font-size: 0.82rem;
  line-height: 1.2;
  white-space: nowrap;
  flex: 0 0 auto;
  cursor: pointer;
}
.tabs button.active {
  background: #2a3340;
  color: var(--fg);
  font-weight: 600;
  box-shadow: inset 0 0 0 1px #3b4656;
}
#ownerTabs button[data-owner="mine"].active {
  background: var(--mine-bg);
  color: var(--mine);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--mine) 45%, transparent);
}
#ownerTabs button[data-owner="theirs"].active {
  background: var(--control-bg);
  color: var(--control);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--control) 45%, transparent);
}
.ghost {
  border: 1px solid var(--line);
  color: var(--fg);
  background: transparent;
}
.ghost:active { background: var(--card); }

.search { margin-bottom: 12px; }
.search input,
dialog input,
dialog textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px 12px;
  background: var(--card);
  color: var(--fg);
  font: inherit;
  font-size: 0.92rem;
}
.search input::placeholder { color: var(--muted); }
.search input:focus,
dialog input:focus,
dialog textarea:focus,
select:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--accent) 65%, var(--line));
  box-shadow: 0 0 0 3px rgba(110, 168, 255, 0.15);
}

.msg-link {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 500;
}
.msg-link:active { opacity: 0.8; }

.list {
  display: grid;
  gap: 10px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  display: grid;
  gap: 8px;
}
.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}
.card h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
  flex: 1;
}
.tag {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.tag-mine {
  color: var(--mine);
  background: var(--mine-bg);
}
.tag-control {
  color: var(--control);
  background: var(--control-bg);
}
.tag-unknown {
  color: var(--muted);
  background: rgba(154, 163, 178, 0.12);
}
.meta {
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.4;
}
.deadline {
  font-size: 0.84rem;
  color: #ffd29a;
  background: rgba(255, 210, 154, 0.08);
  border: 1px solid rgba(255, 210, 154, 0.18);
  border-radius: 6px;
  padding: 6px 8px;
}
.deadline.overdue {
  color: #ff8f86;
  background: rgba(255, 143, 134, 0.1);
  border-color: rgba(255, 143, 134, 0.28);
}

.deadline-pick {
  display: grid;
  gap: 10px;
}
.deadline-pick input[type="date"] {
  color-scheme: dark;
}
.time-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}
.time-row input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
  height: 28px;
}
.time-label {
  min-width: 3.2rem;
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--fg);
  font-weight: 600;
  font-size: 0.95rem;
}
.deadline-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.deadline-actions .ghost {
  padding: 5px 10px;
  font-size: 0.75rem;
}
.deadline-preview {
  color: var(--fg);
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
}
.card-foot {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px;
  margin-top: 2px;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.actions button {
  border: 1px solid var(--line);
  padding: 6px 10px;
  font-size: 0.78rem;
  color: var(--fg);
  background: #151a21;
}
.actions .ok {
  border-color: color-mix(in srgb, var(--ok) 45%, var(--line));
  color: var(--ok);
  background: var(--ok-bg);
}
.actions .skip { color: var(--muted); }
.actions .edit {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
  color: var(--accent);
}
.created {
  margin-left: auto;
  color: var(--muted);
  font-size: 0.72rem;
  white-space: nowrap;
  align-self: flex-end;
}

.empty {
  text-align: center;
  color: var(--muted);
  padding: 36px 12px;
  background: var(--card);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
}

dialog {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0;
  background: #161b22;
  color: var(--fg);
  width: min(920px, 94vw);
}
dialog::backdrop { background: rgba(0, 0, 0, 0.65); }
dialog form {
  display: grid;
  gap: 10px;
  padding: 16px;
}
dialog h2 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 650;
}
dialog label {
  display: grid;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--muted);
}
dialog .row {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 6px;
}
#btnSave {
  background: var(--accent);
  color: var(--accent-fg);
  border: 0;
  padding: 8px 14px;
  font-weight: 600;
}