/* ------------------------------------------------------------------
   Relay — team inbox
   Fonts: Space Grotesk (identity), DM Sans (UI), IBM Plex Mono (meta)
   ------------------------------------------------------------------ */

@font-face {
  font-family: "Space Grotesk";
  src: url("assets/space-grotesk.ttf") format("truetype");
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "DM Sans";
  src: url("assets/dm-sans.ttf") format("truetype");
  font-weight: 300 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("assets/ibm-plex-mono.ttf") format("truetype");
  font-weight: 400 500;
  font-style: normal;
  font-display: swap;
}

/* ---------- tokens ---------- */
:root {
  --paper: #F6F3EC;
  --surface: #FFFDF8;
  --surface-2: #EFEAE0;
  --ink: #23211A;
  --ink-2: #4A473E;
  --ink-3: #7A7567;
  --line: #E2DCCD;
  --line-strong: #C9C2AF;
  --accent: #C2542B;
  --accent-deep: #9E3F1C;
  --accent-soft: #F6E0D4;

  --rail: #201E18;
  --rail-ink: #F0EBDD;
  --rail-dim: #A9A393;
  --rail-line: #3B382E;

  --focus-ring: #1D5BB5;

  --st-todo: #6E6A5E;
  --st-todo-bg: #EAE6DA;
  --st-progress: #8F6400;
  --st-progress-bg: #F3E7C6;
  --st-blocked: #B3261E;
  --st-blocked-bg: #F6DCD6;
  --st-done: #2E7A4D;
  --st-done-bg: #DCEDE1;

  --pr-high: #B3261E;
  --pr-medium: #8F6400;
  --pr-low: #6E6A5E;

  --radius: 14px;
  --radius-s: 9px;
  --shadow-panel: -18px 0 60px rgba(35, 33, 26, .18);
  --font-ui: "DM Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Space Grotesk", "DM Sans", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", monospace;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: var(--font-display); margin: 0; }
button { font: inherit; cursor: pointer; }
img, svg { display: block; }

:is(a, button, select, input, [tabindex]):focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: fixed;
  top: -60px; left: 16px;
  z-index: 60;
  padding: 10px 16px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: top .15s ease;
}
.skip-link:focus { top: 12px; }
#main-content:focus { outline: none; }

/* ---------- app frame ---------- */
.app {
  display: grid;
  grid-template-columns: 272px 1fr;
  min-height: 100dvh;
}

/* ---------- ink rail ---------- */
.rail {
  background: var(--rail);
  color: var(--rail-ink);
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 26px 20px;
  border-right: 1px solid #141310;
}
.rail-top { padding: 0 6px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 38px; height: 38px; flex: none; }
.brand-name {
  display: block;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: .01em;
  line-height: 1.1;
}
.brand-tag {
  display: block;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--rail-dim);
}

.rail-label {
  margin: 0 6px 10px;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--rail-dim);
}
.chip-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.chip {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  background: none;
  border: 0;
  border-radius: var(--radius-s);
  color: var(--rail-ink);
  text-align: left;
}
.chip:hover { background: rgba(240, 235, 221, .08); }
.chip[aria-pressed="true"] {
  background: rgba(194, 84, 43, .22);
  box-shadow: inset 0 0 0 1px rgba(194, 84, 43, .55);
}
.chip .dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--st, var(--ink-3));
  flex: none;
}
.chip .chip-name { flex: 1; font-size: 14.5px; }
.chip .chip-count {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 1px 8px;
  border-radius: 999px;
  background: rgba(240, 235, 221, .12);
  color: var(--rail-dim);
}
.chip[aria-pressed="true"] .chip-count { background: rgba(240, 235, 221, .18); color: var(--rail-ink); }

.rail-foot {
  margin-top: auto;
  padding: 0 6px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--rail-dim);
  border-top: 1px solid var(--rail-line);
  padding-top: 16px;
}
.rail-foot p { margin: 0; }

/* ---------- top bar ---------- */
.main-col { display: flex; flex-direction: column; min-width: 0; }
.topbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding: 26px 32px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.topbar-title h1 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -.01em;
}
.count {
  margin: 3px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-3);
}

.controls { display: flex; gap: 14px; align-items: flex-end; flex-wrap: wrap; }
.control { display: flex; flex-direction: column; gap: 5px; }
.control-label {
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 600;
}
.control-search { position: relative; }
.field-icon {
  position: absolute;
  left: 11px; bottom: 10px;
  width: 17px; height: 17px;
  color: var(--ink-3);
  pointer-events: none;
}
.input {
  font: inherit;
  color: var(--ink);
  background: var(--surface);
  border: 1.5px solid var(--line-strong);
  border-radius: 10px;
  padding: 8px 12px;
  min-height: 42px;
}
.input::placeholder { color: var(--ink-3); }
.input:hover { border-color: var(--ink-3); }
.control-search .input { width: clamp(220px, 30vw, 340px); padding-left: 34px; }
.select {
  appearance: none;
  padding-right: 34px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5 11 1.5' fill='none' stroke='%2323211A' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 12px;
  cursor: pointer;
}

/* ---------- task list ---------- */
.content { padding: 22px 32px 48px; }
.task-list {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 980px;
  display: grid;
  gap: 10px;
}
.task {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px 15px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 8px 16px;
  align-items: start;
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.task:hover {
  border-color: var(--line-strong);
  box-shadow: 0 3px 14px rgba(35, 33, 26, .07);
}
.task-col-status { display: flex; flex-direction: column; align-items: flex-start; }
.task-main { min-width: 0; }
.task-side {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-3);
  padding-top: 3px;
}

/* status pill */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 3px 10px 3px 8px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .01em;
  background: var(--st-bg, var(--surface-2));
  color: var(--st, var(--ink-2));
  white-space: nowrap;
}
.status-pill .dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.st-todo      { --st: var(--st-todo);      --st-bg: var(--st-todo-bg); }
.st-in-progress { --st: var(--st-progress); --st-bg: var(--st-progress-bg); }
.st-blocked   { --st: var(--st-blocked);   --st-bg: var(--st-blocked-bg); }
.st-done      { --st: var(--st-done);      --st-bg: var(--st-done-bg); }

.task-title-btn {
  background: none;
  border: 0;
  padding: 1px 0;
  text-align: left;
  font-family: var(--font-display);
  font-size: 18.5px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink);
  letter-spacing: -.005em;
  display: inline-block;
  max-width: 100%;
  border-radius: 6px;
}
.task-title-btn:hover { color: var(--accent-deep); text-decoration: underline; text-underline-offset: 3px; }

.task-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-top: 7px;
  font-size: 13px;
  color: var(--ink-3);
}
.task-meta > span { display: inline-flex; align-items: center; gap: 6px; }
.assignee { color: var(--ink-2); font-weight: 500; }
.avatar {
  width: 22px; height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  color: #FFFDF8;
  background: var(--av, var(--ink-3));
  letter-spacing: .02em;
}
.tag {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--ink-2);
}
.mono { font-family: var(--font-mono); font-size: 12px; }

.priority { display: inline-flex; align-items: center; gap: 5px; font-weight: 600; }
.priority svg { width: 12px; height: 12px; }
.pr-high   { color: var(--pr-high); }
.pr-medium { color: var(--pr-medium); }
.pr-low    { color: var(--pr-low); }

.comments { display: inline-flex; align-items: center; gap: 5px; }
.comments svg { width: 14px; height: 14px; }
.chevron { color: var(--ink-3); flex: none; }

/* ---------- empty state ---------- */
.empty-state {
  max-width: 520px;
  margin: 8vh auto 0;
  text-align: center;
  color: var(--ink-2);
}
.empty-state svg { width: 52px; height: 52px; margin: 0 auto 14px; color: var(--ink-3); }
.empty-state h2 { font-size: 21px; margin-bottom: 6px; }
.empty-state p { margin: 0 0 20px; }
.btn {
  font-weight: 600;
  font-size: 14.5px;
  padding: 10px 20px;
  border-radius: 999px;
  border: 1.5px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
}
.btn:hover { background: var(--accent-deep); border-color: var(--accent-deep); }

/* ---------- detail layer ---------- */
.detail-layer { position: fixed; inset: 0; z-index: 40; pointer-events: none; }
.scrim {
  position: absolute;
  inset: 0;
  background: rgba(32, 30, 24, .44);
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease;
}
.detail-layer.open .scrim { opacity: 1; pointer-events: auto; }

.panel {
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: min(540px, 100%);
  background: var(--surface);
  border-left: 1px solid var(--line-strong);
  box-shadow: var(--shadow-panel);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform .28s cubic-bezier(.32, .72, .28, 1);
  pointer-events: auto;
}
.detail-layer:not(.open) .panel {
  visibility: hidden;
  transition: transform .28s cubic-bezier(.32, .72, .28, 1), visibility 0s .3s;
}
.detail-layer.open .panel { transform: translateX(0); }

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 22px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  flex: none;
}
.panel-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0;
  min-width: 0;
}
.panel-eyebrow b { color: var(--accent-deep); font-weight: 500; }
.panel-head .word {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.panel-head .word svg { width: 15px; height: 15px; color: var(--accent); }

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  flex: none;
  border: 1.5px solid transparent;
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink);
}
.icon-btn:hover { border-color: var(--line-strong); background: var(--surface-2); }
.icon-btn svg { width: 18px; height: 18px; }

.panel-body {
  padding: 24px 26px 40px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.panel-title {
  font-size: clamp(22px, 4.6vw, 27px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -.012em;
}

/* status control row */
.status-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: var(--paper);
}
.status-row .control-label { margin: 0; }
.status-row .select { min-height: 40px; }
.status-note {
  font-size: 13px;
  color: var(--st-done);
  font-weight: 600;
  opacity: 0;
  transition: opacity .25s ease;
}
.status-note.show { opacity: 1; }

/* meta grid */
.meta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 18px;
  margin: 0;
}
.meta-grid > div {
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  padding: 10px 13px;
  background: var(--surface);
}
.meta-grid dt {
  font-size: 10.5px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 600;
  margin-bottom: 3px;
}
.meta-grid dd {
  margin: 0;
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.tag-row { display: flex; flex-wrap: wrap; gap: 6px; }

.panel-section-label {
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 600;
  margin: 0 0 10px;
}
.task-body { font-size: 16px; line-height: 1.65; color: var(--ink-2); display: grid; gap: 14px; max-width: 60ch; }
.task-body p { margin: 0; }
.task-body p:first-child { color: var(--ink); }

/* ---------- toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translate(-50%, 80px);
  z-index: 55;
  background: var(--ink);
  color: var(--paper);
  padding: 11px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 8px 30px rgba(35, 33, 26, .35);
  opacity: 0;
  pointer-events: none;
  transition: transform .25s ease, opacity .25s ease;
  max-width: min(88vw, 480px);
  text-align: center;
}
.toast.show { transform: translate(-50%, 0); opacity: 1; }
.toast b { color: #F3B799; font-weight: 600; }

/* ---------- responsive ---------- */
@media (max-width: 1020px) {
  .topbar { padding: 20px 22px 16px; }
  .content { padding: 18px 22px 42px; }
}

@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .rail {
    flex-direction: row;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border-right: 0;
    border-bottom: 1px solid #141310;
  }
  .rail-top { padding: 0; flex: none; }
  .brand-mark { width: 30px; height: 30px; }
  .brand-name { font-size: 17px; }
  .brand-tag { font-size: 10px; letter-spacing: .1em; }
  .rail-nav { flex: 1; min-width: 0; }
  .rail-label, .rail-foot { display: none; }
  .chip-list {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    scrollbar-width: thin;
    padding-bottom: 2px;
  }
  .chip { width: auto; flex: none; padding: 7px 12px; }
  .chip .chip-count { padding: 0 6px; background: transparent; }

  .topbar {
    padding: 16px 16px 14px;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .topbar-title { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
  .topbar-title h1 { font-size: 21px; }
  .controls { gap: 10px; }
  .control-search { flex: 1; min-width: 0; }
  .control-search .input { width: 100%; }
  .content { padding: 14px 16px 96px; }
  .task {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 14px 15px;
  }
  .task-col-status { order: 2; }
  .task-side { order: 3; justify-content: flex-start; padding-top: 0; }
  .chevron { display: none; }
  .panel { width: 100%; border-left: 0; }
  .panel-body { padding: 20px 18px 48px; }
  .meta-grid { grid-template-columns: 1fr 1fr; }
  .toast { bottom: 18px; }
}

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