/* ==========================================================================
   Kestrel - team inbox
   Direction: warm-charcoal "control room". One amber accent, condensed
   Oswald display, IBM Plex Mono for metadata. Dark is the brand default,
   with a full light theme available from the header toggle.
   ========================================================================== */

@font-face {
  font-family: "Work Sans";
  src: url("assets/work-sans.ttf") format("truetype");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Oswald";
  src: url("assets/oswald.ttf") format("truetype");
  font-weight: 200 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("assets/ibm-plex-mono.ttf") format("truetype");
  font-weight: 400 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --font-display: "Oswald", "Arial Narrow", system-ui, sans-serif;
  --font-body: "Work Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --radius: 10px;
  --radius-sm: 6px;
  --header-h: 64px;

  /* status hues (semantic, kept muted) */
  --st-todo: #9d9788;
  --st-progress: #e2a83e;
  --st-blocked: #d5796a;
  --st-done: #86ab70;

  --shadow: 0 18px 40px -22px rgba(0, 0, 0, 0.7);
}

html[data-theme="dark"] {
  --bg: #131209;
  --bg-grad: radial-gradient(1200px 600px at 82% -10%, rgba(226, 168, 62, 0.08), transparent 60%);
  --header-bg: rgba(19, 18, 9, 0.86);
  --surface: #1c1b13;
  --surface-2: #23221a;
  --surface-3: #2b2a20;
  --border: rgba(236, 226, 196, 0.11);
  --border-strong: rgba(236, 226, 196, 0.2);
  --text: #efe9db;
  --text-2: #b8b2a2;
  --text-3: #9a9382;
  --accent: #e2a83e;
  --accent-soft: rgba(226, 168, 62, 0.14);
  --accent-ink: #211804;
  --focus: #f0bd5c;
  --scrim: rgba(8, 8, 4, 0.66);
  --toast-bg: #efe9db;
  --toast-ink: #1a1810;
}

html[data-theme="light"] {
  --bg: #f2f0e7;
  --bg-grad: radial-gradient(1200px 600px at 82% -10%, rgba(154, 107, 18, 0.07), transparent 60%);
  --header-bg: rgba(242, 240, 231, 0.88);
  --surface: #ffffff;
  --surface-2: #f5f3ea;
  --surface-3: #ece9dc;
  --border: rgba(32, 29, 18, 0.13);
  --border-strong: rgba(32, 29, 18, 0.24);
  --text: #1d1b14;
  --text-2: #565247;
  --text-3: #6f6a5e;
  --accent: #94640f;
  --accent-soft: rgba(148, 100, 15, 0.12);
  --accent-ink: #fffaf0;
  --focus: #7a5209;
  --scrim: rgba(28, 24, 12, 0.42);
  --toast-bg: #1d1b14;
  --toast-ink: #f5f3ea;

  --st-todo: #6e6a5d;
  --st-progress: #94640f;
  --st-blocked: #a4442f;
  --st-done: #3f6b2f;
  --shadow: 0 18px 40px -26px rgba(40, 34, 14, 0.35);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

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

body {
  min-height: 100dvh;
  background-color: var(--bg);
  background-image: var(--bg-grad);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 500;
}

p {
  margin: 0;
}

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

a {
  color: var(--accent);
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  text-decoration: none;
  transition: top 0.18s ease;
}
.skip-link:focus {
  top: 12px;
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ------------------------------- header --------------------------------- */

.app-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: var(--header-h);
  padding: 0 clamp(16px, 4vw, 40px);
  background: var(--header-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--accent-ink);
  flex: none;
}

.brand__text {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
}

.brand__name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.brand__sub {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.segmented {
  display: inline-flex;
  padding: 3px;
  gap: 2px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
}

.seg {
  border: 0;
  background: transparent;
  color: var(--text-2);
  padding: 6px 14px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}
.seg:hover {
  color: var(--text);
}
.seg.is-active {
  background: var(--accent);
  color: var(--accent-ink);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
  font-weight: 500;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.1s ease;
}
.btn:active {
  transform: translateY(1px);
}
.btn--ghost {
  border-color: var(--border-strong);
  color: var(--text-2);
}
.btn--ghost:hover {
  color: var(--text);
  background: var(--surface-2);
}
.btn--solid {
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
}
.btn--solid:hover {
  filter: brightness(1.06);
}
.btn--icon {
  width: 40px;
  height: 40px;
  padding: 0;
  justify-content: center;
  border-color: var(--border-strong);
  color: var(--text-2);
}
.btn--icon:hover {
  color: var(--text);
  background: var(--surface-2);
}
.btn__glyph {
  display: inline-flex;
}

html[data-theme="dark"] .icon-moon,
html[data-theme="light"] .icon-sun {
  display: none;
}

/* ------------------------------- toolbar -------------------------------- */

.toolbar {
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 12px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 22px clamp(16px, 4vw, 40px) 18px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.field label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-3);
}
.field input,
.field select {
  height: 42px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
}
.field input {
  width: min(360px, 60vw);
}
.field input::placeholder {
  color: var(--text-3);
}
.field input:focus,
.field select:focus {
  border-color: var(--accent);
  outline-color: var(--accent);
}
.field select {
  cursor: pointer;
  min-width: 168px;
}

.toolbar .btn--ghost {
  height: 42px;
}

.result-count {
  margin-left: auto;
  padding-bottom: 11px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-3);
  white-space: nowrap;
}

/* ------------------------------- workspace ------------------------------ */

.workspace {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 40px) 64px;
  outline: none;
}

/* Board ------------------------------------------------------------------ */

.board {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  align-items: start;
}

.column {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  padding: 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 72%, transparent);
}

.column__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.column__title {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-2);
}

.column__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--status-color, var(--text-3));
  flex: none;
}

.column[data-status="todo"] { --status-color: var(--st-todo); }
.column[data-status="in-progress"] { --status-color: var(--st-progress); }
.column[data-status="blocked"] { --status-color: var(--st-blocked); }
.column[data-status="done"] { --status-color: var(--st-done); }

.column__count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-3);
}

.column__cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.column__empty {
  padding: 10px 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-3);
}

/* Card ------------------------------------------------------------------- */

.card {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  border-left: 3px solid var(--status-color, var(--border-strong));
  background: var(--surface);
  padding: 13px 14px 12px;
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}
.card[data-status="todo"] { --status-color: var(--st-todo); }
.card[data-status="in-progress"] { --status-color: var(--st-progress); }
.card[data-status="blocked"] { --status-color: var(--st-blocked); }
.card[data-status="done"] { --status-color: var(--st-done); }

.card:hover {
  border-color: var(--border-strong);
  background: var(--surface-2);
  transform: translateY(-1px);
}
.card:has(.card__open:focus-visible) {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}
.card.is-flash {
  animation: flash 0.9s ease;
}

@keyframes flash {
  0% { background: var(--accent-soft); }
  100% { background: var(--surface); }
}

.card__open {
  position: absolute;
  inset: 0;
  z-index: 2;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
  border-radius: inherit;
}

.card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 9px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-2);
  white-space: nowrap;
}
.chip::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--status-color, var(--text-3));
}
.chip[data-status="todo"] { --status-color: var(--st-todo); }
.chip[data-status="in-progress"] { --status-color: var(--st-progress); }
.chip[data-status="blocked"] { --status-color: var(--st-blocked); }
.chip[data-status="done"] { --status-color: var(--st-done); }

.prio {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-3);
}
.prio--high { color: var(--accent); }
.prio--high::before { content: "\2191 "; }

.card__title {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.005em;
  margin-bottom: 6px;
  color: var(--text);
}

.card__summary {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}

.card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
}

.meta__item {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-2);
}
.meta__label {
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 10px;
}

.card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 11px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.tag {
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--surface-3);
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
}

.comments {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
  white-space: nowrap;
}

/* List ------------------------------------------------------------------- */

.list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border);
}

.row {
  position: relative;
  display: grid;
  grid-template-columns: 3px 128px minmax(0, 1fr) 220px 150px 120px;
  align-items: center;
  gap: 18px;
  padding: 15px 12px 15px 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.18s ease;
}
.row:hover {
  background: var(--surface);
}
.row:has(.card__open:focus-visible) {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
}
.row__stripe {
  align-self: stretch;
  border-radius: 3px;
  background: var(--status-color, var(--border-strong));
}
.row[data-status="todo"] { --status-color: var(--st-todo); }
.row[data-status="in-progress"] { --status-color: var(--st-progress); }
.row[data-status="blocked"] { --status-color: var(--st-blocked); }
.row[data-status="done"] { --status-color: var(--st-done); }

.row__title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text);
  min-width: 0;
}
.row__title span {
  display: block;
  font-weight: 400;
  font-size: 12.5px;
  color: var(--text-3);
  margin-top: 3px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.row__cell {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-2);
  min-width: 0;
}
.row__cell b {
  display: block;
  font-weight: 400;
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 2px;
}
.row .tag-row {
  justify-content: flex-end;
}

/* Empty / loading / error ------------------------------------------------ */

.empty {
  max-width: 560px;
  margin: 48px auto;
  text-align: center;
  padding: 40px 28px;
  border-radius: var(--radius);
  border: 1px dashed var(--border-strong);
  background: color-mix(in srgb, var(--surface) 55%, transparent);
}
.empty__kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.empty__title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 500;
  letter-spacing: 0.01em;
  margin-bottom: 8px;
}
.empty__body {
  color: var(--text-2);
  max-width: 44ch;
  margin: 0 auto 20px;
}

.loading {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.loading__col {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 60%, transparent);
}
.skeleton {
  display: block;
  height: 74px;
  border-radius: var(--radius);
  background: linear-gradient(90deg, var(--surface-2) 25%, var(--surface-3) 37%, var(--surface-2) 63%);
  background-size: 400% 100%;
  animation: shimmer 1.4s ease infinite;
}
.skeleton--head {
  height: 20px;
  width: 55%;
  border-radius: 4px;
}
@keyframes shimmer {
  0% { background-position: 100% 0; }
  100% { background-position: 0 0; }
}

/* ------------------------------- detail --------------------------------- */

.scrim {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: var(--scrim);
  opacity: 0;
  transition: opacity 0.28s ease;
}
.scrim.is-open {
  opacity: 1;
}

.detail {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 50;
  display: flex;
  flex-direction: column;
  width: min(500px, 100vw);
  height: 100dvh;
  background: var(--surface);
  border-left: 1px solid var(--border-strong);
  box-shadow: var(--shadow);
  transform: translateX(100%);
  transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1);
}
.detail.is-open {
  transform: none;
}
.detail[hidden] {
  display: none;
}

.detail__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  flex: none;
}

.detail__scroll {
  padding: 22px 22px 40px;
  overflow-y: auto;
  flex: 1 1 auto;
}

.detail__project {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 10px;
}

.detail__title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 32px);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: 0.005em;
  margin-bottom: 20px;
}

.detail__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0 0 22px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.detail__meta > div {
  background: var(--surface-2);
  padding: 11px 13px;
}
.detail__meta dt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 3px;
}
.detail__meta dd {
  margin: 0;
  font-size: 14px;
  color: var(--text);
}

.detail__section {
  margin-bottom: 22px;
}
.detail__section-title {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 10px;
}
.detail__body {
  font-size: 15px;
  line-height: 1.62;
  color: var(--text-2);
  white-space: pre-line;
}

.detail .tag-row {
  margin-bottom: 26px;
}

.detail__status {
  padding-top: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.detail__status label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-3);
}
.detail__status select {
  height: 44px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--text);
  cursor: pointer;
}
.detail__status select:focus {
  border-color: var(--accent);
}
.detail__note {
  min-height: 20px;
  font-size: 13px;
  color: var(--text-2);
}
.detail__note .btn {
  margin-left: 6px;
  padding: 2px 8px;
  font-size: 12px;
}

/* ------------------------------- toast ---------------------------------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  z-index: 60;
  transform: translate(-50%, 16px);
  background: var(--toast-bg);
  color: var(--toast-ink);
  padding: 11px 18px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  box-shadow: 0 16px 40px -16px rgba(0, 0, 0, 0.6);
  opacity: 0;
  transition: opacity 0.24s ease, transform 0.24s ease;
  pointer-events: none;
}
.toast.is-open {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ------------------------------- motion --------------------------------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .skeleton {
    background: var(--surface-2);
  }
}

@media (prefers-reduced-transparency: reduce) {
  .app-header {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: var(--bg);
  }
}

/* ------------------------------- responsive ----------------------------- */

@media (max-width: 1080px) {
  .row {
    grid-template-columns: 3px minmax(0, 1fr) 150px 120px;
  }
  .row__cell--project,
  .row__cell--assignee {
    display: none;
  }
}

@media (max-width: 900px) {
  .board {
    grid-template-columns: 1fr;
  }
  .loading {
    grid-template-columns: 1fr 1fr;
  }
  .result-count {
    width: 100%;
    margin-left: 0;
    padding-bottom: 0;
  }
}

@media (max-width: 620px) {
  .brand__sub {
    display: none;
  }
  .toolbar {
    padding-top: 16px;
  }
  .field input {
    width: 100%;
  }
  .field {
    flex: 1 1 100%;
  }
  .field select {
    width: 100%;
  }
  .toolbar .btn--ghost {
    flex: 1 1 auto;
    justify-content: center;
  }
  .detail {
    width: 100vw;
    border-left: 0;
  }
  .detail__meta {
    grid-template-columns: 1fr;
  }
  .row {
    grid-template-columns: 3px minmax(0, 1fr) 96px;
    gap: 12px;
  }
  .row__cell--assignee,
  .row__cell--status {
    display: none;
  }
  .loading {
    grid-template-columns: 1fr;
  }
}