:root {
  color-scheme: light;
  --bg: #fbfbfa;
  --surface: #ffffff;
  --surface-muted: #f6f6f4;
  --hover: #f2f2ef;
  --border: #e8e8e3;
  --border-strong: #d8d8d2;
  --text: #1a1a19;
  --text-muted: #6b6b66;
  --text-subtle: #9a9a93;
  --accent: #2f6feb;
  --accent-hover: #265bc7;
  --accent-soft: #eaf1ff;
  --success: #157f3c;
  --danger: #a8341f;
  --p-high: #c0392b;
  --p-med: #b58200;
  --p-low: #6b6b66;
  --radius: 6px;
  --radius-lg: 10px;
  --shadow-pop: 0 12px 32px -12px rgba(15, 15, 15, 0.18);
}

* { box-sizing: border-box; }

html {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-size: 15px;
}

body {
  margin: 0;
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-feature-settings: "cv11", "ss01", "ss03";
  background: var(--bg);
  color: var(--text);
  letter-spacing: -0.005em;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

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

input, textarea, select {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 0.5rem 0.65rem;
  font-size: 0.92rem;
  transition: border-color 120ms ease, background 120ms ease;
}

input::placeholder, textarea::placeholder { color: var(--text-subtle); }

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface);
}

button {
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.9rem;
  transition: background 100ms ease, border-color 100ms ease, color 100ms ease;
}

.primary {
  background: var(--accent);
  color: #fff;
  padding: 0.5rem 0.95rem;
  font-weight: 500;
}
.primary:hover { background: var(--accent-hover); }

.ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.42rem 0.8rem;
  font-weight: 500;
}
.ghost:hover { background: var(--hover); border-color: var(--border-strong); }

.tiny { padding: 0.22rem 0.55rem; font-size: 0.78rem; }

.muted { color: var(--text-muted); font-size: 0.88rem; }

.stack { display: grid; gap: 0.85rem; }
.stack-small { display: grid; gap: 0.2rem; }

/* Auth */
.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
  background: var(--bg);
}
.auth-card {
  width: min(380px, 100%);
  padding: 1.75rem 1.85rem 1.85rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.auth-card h1 {
  margin: 0 0 0.25rem;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.auth-card .muted { margin: 0 0 1.25rem; font-size: 0.86rem; }
.auth-card label span {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
  font-weight: 500;
}
.auth-card .primary { width: 100%; padding: 0.6rem; }
.error { color: var(--danger); font-size: 0.85rem; margin: 0; }

/* App shell */
.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr);
}

.sidebar {
  display: grid;
  align-content: start;
  gap: 1.4rem;
  padding: 1.1rem 0.85rem;
  border-right: 1px solid var(--border);
  background: var(--surface-muted);
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  overflow-y: auto;
}

.sidebar h1 {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0 0.55rem;
}

.sidebar .brand-tag {
  margin: 0.15rem 0 0;
  padding: 0 0.55rem;
  font-size: 0.78rem;
  color: var(--text-subtle);
}

.nav { display: grid; gap: 0.05rem; }

.nav a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.42rem 0.6rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 450;
  color: var(--text);
}
.nav a span {
  color: var(--text-subtle);
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
}
.nav a:hover { background: var(--hover); }
.nav a.active { background: var(--surface); border: 1px solid var(--border); padding: 0.38rem 0.55rem; }
.nav a.active span { color: var(--text-muted); }

.sidebar-section-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-subtle);
  font-weight: 600;
  padding: 0 0.6rem;
  margin: 0 0 0.45rem;
}

.today-progress-card { padding: 0 0.6rem; }
.today-progress-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.4rem;
  gap: 0.5rem;
}
.today-progress-head h3 {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text);
}
.today-progress-head .eyebrow { display: none; }
.today-progress-head .badge {
  background: transparent;
  padding: 0;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}
.progress-track {
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--border);
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  border-radius: 2px;
  background: var(--accent);
  transition: width 220ms ease;
}

.shortcut-hint {
  padding: 0 0.6rem;
  font-size: 0.78rem;
  color: var(--text-subtle);
  line-height: 1.55;
}
.shortcut-hint kbd { margin: 0 1px; }

.sidebar-foot {
  margin-top: auto;
  padding: 0 0.55rem;
}
.sidebar-foot .ghost {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  padding: 0.42rem 0.6rem;
  color: var(--text-muted);
  font-size: 0.86rem;
}
.sidebar-foot .ghost:hover { background: var(--hover); color: var(--text); }

/* Content */
.content {
  min-width: 0;
  display: grid;
  grid-template-rows: auto 1fr;
}

.topbar {
  display: grid;
  gap: 0;
  padding: 1.5rem 2rem 0.9rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  margin-bottom: 1rem;
}
.page-header h2 {
  margin: 0.15rem 0 0;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.page-header .muted { margin: 0.2rem 0 0; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-subtle);
  font-size: 0.7rem;
  font-weight: 600;
  margin: 0;
}

.quick-add {
  display: grid;
  grid-template-columns: minmax(0, 2.4fr) minmax(0, 1.4fr) 100px minmax(0, 1.4fr) auto;
  gap: 0.5rem;
  align-items: center;
  padding: 0.55rem 0.6rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.quick-add input, .quick-add select {
  border: 0;
  background: transparent;
  padding: 0.45rem 0.55rem;
  border-radius: 4px;
}
.quick-add input:focus, .quick-add select:focus {
  background: var(--hover);
  border-color: transparent;
}
.quick-add .primary { padding: 0.5rem 0.95rem; }

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 0;
  min-height: 0;
}

.task-list-wrapper {
  padding: 0.6rem 1.25rem 2rem 2rem;
  border-right: 1px solid var(--border);
  overflow-y: auto;
}
.detail-panel {
  padding: 1.25rem 2rem 2rem 1.25rem;
  overflow-y: auto;
}

.task-list { display: grid; gap: 0; }

.task-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.75rem;
  padding: 0.7rem 0.6rem;
  border-bottom: 1px solid var(--border);
  background: transparent;
  cursor: default;
  align-items: start;
}
.task-row:hover { background: var(--hover); }
.task-row:focus { outline: none; background: var(--accent-soft); }
.task-row.is-selected { background: var(--accent-soft); }

.task-main { display: grid; gap: 0.25rem; min-width: 0; }

.task-title-row {
  display: contents;
}

.task-open {
  border: 0;
  background: transparent;
  text-align: left;
  padding: 0;
  color: inherit;
  display: grid;
  gap: 0.15rem;
  min-width: 0;
}
.task-open h3 {
  margin: 0;
  font-size: 0.93rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.task-open p {
  margin: 0;
  font-size: 0.83rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.checkbox {
  width: 16px;
  height: 16px;
  min-width: 16px;
  border-radius: 4px;
  background: var(--surface);
  border: 1.5px solid var(--border-strong);
  margin-top: 3px;
  position: relative;
  padding: 0;
}
.checkbox:hover { border-color: var(--accent); }
.checkbox.done {
  background: var(--accent);
  border-color: var(--accent);
}
.checkbox.done::after {
  content: "";
  position: absolute;
  inset: 2px 4px 4px 2px;
  border-right: 1.8px solid #fff;
  border-bottom: 1.8px solid #fff;
  transform: rotate(40deg);
  width: 4px;
  height: 8px;
  margin: auto;
  left: 3px;
  top: 0;
}

.task-meta {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 0.15rem;
}

.task-actions { display: flex; align-items: center; gap: 0.3rem; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.1rem 0.45rem;
  font-size: 0.74rem;
  font-weight: 500;
  background: var(--surface-muted);
  color: var(--text-muted);
  border-radius: 4px;
  border: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
}

kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  font-size: 0.72rem;
  font-family: ui-monospace, SFMono-Regular, "JetBrains Mono", monospace;
  background: var(--surface);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 4px;
  color: var(--text-muted);
}

.priority-3 { color: var(--p-high); border-color: rgba(192, 57, 43, 0.25); background: rgba(192, 57, 43, 0.06); }
.priority-2 { color: var(--p-med); border-color: rgba(181, 130, 0, 0.22); background: rgba(181, 130, 0, 0.06); }
.priority-1 { color: var(--p-low); }

.cron { font-family: ui-monospace, SFMono-Regular, "JetBrains Mono", monospace; font-size: 0.72rem; }

/* Detail */
.detail-card {
  display: grid;
  gap: 1.1rem;
  padding: 1rem 1.1rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.detail-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
}
.detail-header h2 {
  margin: 0.15rem 0 0;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.detail-card label span {
  display: block;
  font-size: 0.76rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.detail-meta { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.button-row { display: flex; gap: 0.5rem; }

.empty-detail, .empty-state {
  display: grid;
  place-content: center;
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-muted);
}
.empty-detail h2, .empty-state h2 {
  margin: 0 0 0.4rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
}
.empty-state p, .empty-detail p { margin: 0; font-size: 0.86rem; }

.shortcut-dialog {
  padding: 1.4rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-pop);
  color: var(--text);
  min-width: 320px;
}
.shortcut-dialog h2 { margin: 0 0 0.85rem; font-size: 1rem; font-weight: 600; }
.shortcut-dialog ul { margin: 0 0 1rem; padding: 0; list-style: none; display: grid; gap: 0.35rem; font-size: 0.88rem; }
.shortcut-dialog li { display: flex; align-items: center; gap: 0.55rem; color: var(--text-muted); }
.shortcut-dialog::backdrop { background: rgba(15, 15, 15, 0.32); }

@media (max-width: 1080px) {
  .workspace { grid-template-columns: 1fr; }
  .task-list-wrapper { border-right: 0; border-bottom: 1px solid var(--border); padding: 0.5rem 1.5rem 1.5rem; }
  .detail-panel { padding: 1.25rem 1.5rem; }
  .quick-add { grid-template-columns: 1fr 1fr; }
  .quick-add > :first-child, .quick-add > :nth-child(5) { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1rem;
    grid-template-columns: 1fr auto;
    grid-auto-flow: row;
    align-items: center;
    gap: 0.75rem;
  }
  .sidebar h1 { padding: 0; }
  .sidebar .brand-tag, .shortcut-hint, .sidebar-section-label { display: none; }
  .nav { grid-auto-flow: column; grid-auto-columns: 1fr; gap: 0.25rem; }
  .nav a { padding: 0.4rem 0.55rem; }
  .today-progress-card { grid-column: 1 / -1; padding: 0; }
  .sidebar-foot { margin-top: 0; padding: 0; grid-column: 2; }
  .sidebar-foot .ghost { padding: 0.4rem 0.6rem; }
  .topbar { padding: 1rem 1rem 0.75rem; }
  .quick-add { grid-template-columns: 1fr; }
  .quick-add > * { grid-column: auto; }
  .task-list-wrapper, .detail-panel { padding: 0.75rem 1rem 1.5rem; }
  .task-row { grid-template-columns: auto 1fr; }
  .task-actions { grid-column: 2; justify-content: flex-end; }
  .button-row { flex-direction: column; }
  .button-row button, .task-actions button { width: 100%; }
  .page-header { flex-direction: column; align-items: flex-start; gap: 0.25rem; }
  .page-header h2 { font-size: 1.2rem; }
}