:root {
  color-scheme: light;
  --bg: #f4f1ea;
  --surface: #fffdf8;
  --surface-strong: #ffffff;
  --ink: #18201d;
  --muted: #68706b;
  --line: #ded8ca;
  --accent: #1f8a70;
  --accent-ink: #ffffff;
  --danger: #b24035;
  --warning: #b77b18;
  --shadow: 0 18px 48px rgba(38, 48, 43, 0.12);
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #171a18;
  --surface: #222722;
  --surface-strong: #2d332e;
  --ink: #f5f0e8;
  --muted: #b2b9b1;
  --line: #3d443f;
  --accent: #66c6a4;
  --accent-ink: #10221b;
  --danger: #ff8b7f;
  --warning: #f0b75c;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(31, 138, 112, 0.12), transparent 26rem),
    var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.login-page {
  display: grid;
  place-items: center;
}

.login-shell {
  width: min(28rem, calc(100vw - 2rem));
}

.login-box {
  display: grid;
  gap: 1rem;
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.login-brand {
  margin-bottom: 0.4rem;
}

.login-box label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-weight: 750;
}

.login-error {
  margin: 0;
  color: var(--danger);
  font-weight: 750;
}

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

button {
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: 17.5rem minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  padding: 1.4rem;
  border-right: 1px solid var(--line);
  background: rgba(255, 253, 248, 0.72);
  backdrop-filter: blur(18px);
}

[data-theme="dark"] .sidebar {
  background: rgba(34, 39, 34, 0.72);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.65rem;
  height: 2.65rem;
  border-radius: 8px;
  background: var(--ink);
  color: var(--surface);
  font-weight: 800;
}

.brand h1,
.brand p,
.topbar h2,
.column h3,
.section-head h3,
.focus-card h3 {
  margin: 0;
}

.brand h1 {
  font-size: 1.12rem;
}

.brand p,
.date-line,
.sidebar-panel p,
.stat span,
.task-notes,
.task-meta,
.focus-card p {
  color: var(--muted);
}

.nav-list {
  display: grid;
  gap: 0.45rem;
}

.nav-item,
.ghost-btn,
.primary-btn,
.icon-btn,
.mini-btn,
.filter-btn {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  min-height: 2.4rem;
}

.nav-item {
  text-align: left;
  padding: 0.72rem 0.85rem;
}

.nav-item.active,
.filter-btn.active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--surface);
}

.sidebar-panel {
  margin-top: auto;
}

.sync-panel {
  display: grid;
  gap: 0.55rem;
}

.sidebar-panel,
.sync-panel {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.eyebrow {
  display: block;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.sidebar-panel strong {
  display: block;
  margin-top: 0.35rem;
  font-size: 1.8rem;
}

.sync-panel strong {
  font-size: 1rem;
}

.sidebar-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
}

.file-btn {
  display: grid;
  place-items: center;
}

.file-btn input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.main {
  padding: 1.4rem;
  overflow: hidden;
}

.topbar,
.board-toolbar,
.section-head,
.column-head,
.modal-head,
.modal-actions,
.timer-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.topbar {
  margin-bottom: 1.1rem;
}

.topbar h2 {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
}

.date-line {
  margin: 0 0 0.25rem;
}

.topbar-actions {
  display: flex;
  gap: 0.65rem;
}

.primary-btn {
  padding: 0 1rem;
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 750;
}

.ghost-btn,
.filter-btn {
  padding: 0 0.85rem;
}

.icon-btn,
.mini-btn {
  display: grid;
  place-items: center;
  width: 2.4rem;
  padding: 0;
  font-weight: 800;
}

.quick-capture {
  margin-bottom: 1rem;
}

#quickForm {
  display: grid;
  grid-template-columns: minmax(12rem, 1fr) 11rem 8rem 6rem;
  gap: 0.65rem;
}

input,
select,
textarea {
  width: 100%;
  min-height: 2.75rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
  color: var(--ink);
  padding: 0.72rem 0.85rem;
}

textarea {
  resize: vertical;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.stat {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.stat strong {
  display: block;
  margin-top: 0.35rem;
  font-size: 2rem;
}

.view {
  display: none;
}

.active-view {
  display: block;
}

.board-toolbar {
  margin-bottom: 0.8rem;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

#searchInput {
  max-width: 18rem;
}

.kanban {
  display: grid;
  grid-template-columns: repeat(4, minmax(15rem, 1fr));
  gap: 0.8rem;
  align-items: start;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.column {
  min-height: 27rem;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.58);
}

[data-theme="dark"] .column {
  background: rgba(34, 39, 34, 0.58);
}

.column-head h3 {
  font-size: 1rem;
}

.column-head span {
  display: grid;
  place-items: center;
  min-width: 1.8rem;
  height: 1.8rem;
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
}

.task-list {
  display: grid;
  gap: 0.65rem;
  margin-top: 0.8rem;
}

.task-card {
  display: grid;
  gap: 0.65rem;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-left: 0.28rem solid var(--accent);
  border-radius: 8px;
  background: var(--surface-strong);
  box-shadow: 0 6px 16px rgba(24, 32, 29, 0.06);
}

.task-card.priority-high {
  border-left-color: var(--danger);
}

.task-card.priority-medium {
  border-left-color: var(--warning);
}

.task-main {
  display: grid;
  gap: 0.25rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
}

.task-title {
  font-weight: 800;
  overflow-wrap: anywhere;
}

.task-notes {
  display: -webkit-box;
  overflow: hidden;
  font-size: 0.88rem;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.task-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  font-size: 0.78rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 1.55rem;
  padding: 0 0.5rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
}

.task-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.4rem;
}

.mini-btn {
  width: 100%;
  min-height: 2rem;
}

.focus-layout {
  display: grid;
  grid-template-columns: minmax(18rem, 0.85fr) minmax(20rem, 1.15fr);
  gap: 0.9rem;
}

.focus-card,
.agenda,
.week-day,
.projects-grid > article,
.archive-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.focus-card {
  padding: 1.2rem;
}

.timer {
  margin: 1.6rem 0;
  font-variant-numeric: tabular-nums;
  font-size: clamp(3.4rem, 8vw, 6.6rem);
  font-weight: 850;
  line-height: 1;
}

.agenda {
  padding: 1rem;
}

.today-list,
.week-day-list,
.archive-list,
.projects-grid {
  display: grid;
  gap: 0.7rem;
}

.today-list {
  margin-top: 0.8rem;
}

.today-row,
.week-task,
.archive-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  padding: 0.8rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
}

.week-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(10.5rem, 1fr));
  gap: 0.8rem;
  margin-top: 0.9rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.week-day {
  min-height: 24rem;
  padding: 0.85rem;
}

.week-day-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 0.8rem;
}

.week-day-head span {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
  text-transform: uppercase;
}

.week-day-head strong {
  font-size: 1.7rem;
}

.week-task {
  align-items: flex-start;
  flex-direction: column;
  width: 100%;
  border-left: 0.25rem solid var(--accent);
  text-align: left;
}

.week-task.priority-high {
  border-left-color: var(--danger);
}

.week-task.priority-medium {
  border-left-color: var(--warning);
}

.week-task span {
  color: var(--muted);
  font-size: 0.82rem;
}

.projects-grid {
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  margin-top: 0.9rem;
}

.projects-grid > article {
  padding: 1rem;
}

.project-color {
  width: 100%;
  height: 0.38rem;
  margin-bottom: 0.9rem;
  border-radius: 999px;
}

.danger {
  color: var(--danger);
}

dialog {
  width: min(38rem, calc(100vw - 2rem));
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow);
}

dialog::backdrop {
  background: rgba(18, 22, 20, 0.5);
  backdrop-filter: blur(3px);
}

.modal-form {
  display: grid;
  gap: 0.85rem;
}

.modal-form label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.empty-state {
  padding: 1rem;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 5;
    display: grid;
    grid-template-columns: 1fr;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-list,
  .sidebar-actions {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .sidebar-panel,
  .sync-panel {
    display: none;
  }

  #quickForm,
  .focus-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .main,
  .sidebar {
    padding: 1rem;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .topbar-actions,
  .sidebar-actions {
    width: 100%;
  }

  .topbar-actions > *,
  .sidebar-actions > * {
    flex: 1;
  }

  .nav-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .board-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  #searchInput {
    max-width: none;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }
}