/* ---------- Fonts ---------- */
@font-face {
  font-family: "Relay Display";
  src: url("assets/dm-serif.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Relay Sans";
  src: url("assets/dm-sans.ttf") format("truetype");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* ---------- Tokens ---------- */
:root {
  --color-bg: #f6f2ea;
  --color-surface: #ffffff;
  --color-surface-alt: #fbf8f2;
  --color-ink: #201c16;
  --color-ink-soft: #524c40;
  --color-ink-faint: #6b6456;
  --color-border: #e4dccb;
  --color-border-strong: #cbbfa4;
  --color-accent: #a2461e;
  --color-accent-ink: #7a3315;
  --color-focus: #1d4ed8;

  --color-todo-fg: #5c5445;
  --color-todo-bg: #ece5d6;
  --color-progress-fg: #8a4a06;
  --color-progress-bg: #fbe6c6;
  --color-blocked-fg: #9a2c1f;
  --color-blocked-bg: #f7dcd6;
  --color-done-fg: #2f6b3d;
  --color-done-bg: #dcedd9;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-panel: 0 20px 60px -20px rgba(32, 28, 22, 0.45);

  --font-display: "Relay Display", Georgia, serif;
  --font-sans: "Relay Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #17140f;
    --color-surface: #211d16;
    --color-surface-alt: #262117;
    --color-ink: #f2ede1;
    --color-ink-soft: #c7bda6;
    --color-ink-faint: #988f79;
    --color-border: #3a3327;
    --color-border-strong: #4c4433;
    --color-accent: #e08a54;
    --color-accent-ink: #f3ac7c;

    --color-todo-fg: #d8d2c2;
    --color-todo-bg: #35301f;
    --color-progress-fg: #f6c988;
    --color-progress-bg: #402f10;
    --color-blocked-fg: #f4a99b;
    --color-blocked-bg: #43201a;
    --color-done-fg: #9fdf9f;
    --color-done-bg: #1e3620;
  }
}

/* ---------- Reset ---------- */
* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  min-height: 100vh;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 400;
  margin: 0;
}

button,
input,
select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-surface);
  color: var(--color-ink);
  padding: 0.5rem 1rem;
  z-index: 200;
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

/* ---------- Header ---------- */
.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 2rem;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.app-header__brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.app-header__mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-accent);
  color: #fff8f0;
  font-family: var(--font-display);
  font-size: 1.3rem;
  flex-shrink: 0;
}

.app-header__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.4rem;
  line-height: 1.1;
}

.app-header__tag {
  margin: 0;
  font-size: 0.8rem;
  color: var(--color-ink-soft);
  letter-spacing: 0.02em;
}

.app-header__controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: end;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.field label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.field input,
.field select {
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface-alt);
  color: var(--color-ink);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.75rem;
}

.field--search input {
  min-width: 240px;
}

.field input:focus-visible,
.field select:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 1px;
}

/* ---------- Main ---------- */
.app-main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.5rem 2rem 4rem;
}

.app-main__toolbar {
  margin-bottom: 1rem;
}

.result-summary {
  margin: 0;
  color: var(--color-ink-soft);
  font-size: 0.9rem;
}

.task-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.task-card {
  width: 100%;
  text-align: left;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.1rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.task-card:hover {
  border-color: var(--color-border-strong);
  box-shadow: 0 8px 24px -16px rgba(32, 28, 22, 0.5);
}

.task-card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.6rem;
}

.task-card__title {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1rem;
  margin: 0;
  color: var(--color-ink);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  white-space: nowrap;
  flex-shrink: 0;
}

.status-pill::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.status-pill--todo {
  color: var(--color-todo-fg);
  background: var(--color-todo-bg);
}

.status-pill--in-progress {
  color: var(--color-progress-fg);
  background: var(--color-progress-bg);
}

.status-pill--blocked {
  color: var(--color-blocked-fg);
  background: var(--color-blocked-bg);
}

.status-pill--done {
  color: var(--color-done-fg);
  background: var(--color-done-bg);
}

.task-card__summary {
  margin: 0;
  color: var(--color-ink-soft);
  font-size: 0.88rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.task-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.9rem;
  font-size: 0.8rem;
  color: var(--color-ink-faint);
  margin-top: auto;
}

.task-card__meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.priority-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.priority-dot--high {
  background: var(--color-blocked-fg);
}

.priority-dot--medium {
  background: var(--color-progress-fg);
}

.priority-dot--low {
  background: var(--color-ink-faint);
}

/* ---------- Empty state ---------- */
.empty-state {
  text-align: center;
  padding: 3.5rem 1.5rem;
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.empty-state__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin: 0 0 0.4rem;
}

.empty-state__body {
  margin: 0 0 1.1rem;
  color: var(--color-ink-soft);
}

.button {
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface-alt);
  color: var(--color-ink);
  border-radius: var(--radius-sm);
  padding: 0.6rem 1.1rem;
  font-weight: 600;
  cursor: pointer;
}

.button--primary {
  background: var(--color-accent);
  color: #fff8f0;
  border-color: var(--color-accent);
}

.button--primary:hover {
  background: var(--color-accent-ink);
}

/* ---------- Detail overlay & panel ---------- */
.detail-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 17, 12, 0.45);
  z-index: 30;
}

.detail-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(480px, 100vw);
  background: var(--color-surface);
  box-shadow: var(--shadow-panel);
  z-index: 31;
  overflow-y: auto;
}

.detail-panel[hidden],
.detail-overlay[hidden] {
  display: none;
}

.detail-panel__inner {
  padding: 1.75rem 1.75rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.detail-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.detail-panel__eyebrow {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent-ink);
}

.icon-button {
  border: 1px solid var(--color-border);
  background: var(--color-surface-alt);
  color: var(--color-ink-soft);
  border-radius: 999px;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  cursor: pointer;
}

.icon-button:hover {
  color: var(--color-ink);
  border-color: var(--color-border-strong);
}

.detail-panel__title {
  font-size: 1.6rem;
  line-height: 1.25;
}

.detail-panel__status-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem;
  padding: 0.9rem;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.field--status select {
  min-width: 160px;
}

.status-feedback {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-done-fg);
  min-height: 1.2em;
}

.detail-panel__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem 1rem;
  margin: 0;
}

.detail-panel__meta div {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.detail-panel__meta dt {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ink-faint);
}

.detail-panel__meta dd {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-ink);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tag-chip {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
  font-size: 0.78rem;
  color: var(--color-ink-soft);
}

.detail-panel__body {
  border-top: 1px solid var(--color-border);
  padding-top: 1.1rem;
  color: var(--color-ink);
  font-size: 0.98rem;
  line-height: 1.65;
}

.detail-panel__body p {
  margin: 0 0 1rem;
}

.detail-panel__body p:last-child {
  margin-bottom: 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .task-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .app-header {
    padding: 0.9rem 1.1rem;
    flex-direction: column;
    align-items: stretch;
  }

  .app-header__controls {
    flex-direction: column;
    align-items: stretch;
  }

  .field--search input {
    min-width: 0;
    width: 100%;
  }

  .app-main {
    padding: 1.1rem 1.1rem 3rem;
  }

  .detail-panel {
    width: 100vw;
  }

  .detail-panel__meta {
    grid-template-columns: 1fr;
  }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}