/* Relay — Team Inbox
   Fonts: DM Sans (UI), Space Grotesk (display), IBM Plex Mono (ids/meta) */
@font-face {
  font-family: "DM Sans";
  src: url("assets/dm-sans.ttf") format("truetype");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "Space Grotesk";
  src: url("assets/space-grotesk.ttf") format("truetype");
  font-weight: 300 700;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("assets/ibm-plex-mono.ttf") format("truetype");
  font-weight: 400 700;
  font-display: swap;
}

:root {
  --bg: #f5f6fa;
  --surface: #ffffff;
  --surface-2: #f0f2f8;
  --ink: #1b1f2a;
  --ink-soft: #545b6b;
  --ink-faint: #8a91a1;
  --line: #e4e7ef;
  --line-strong: #d2d7e3;

  --brand: #4f46e5;
  --brand-ink: #3b34c0;
  --brand-soft: #eef0fe;

  --todo: #6b7280;
  --todo-soft: #eef0f3;
  --prog: #2563eb;
  --prog-soft: #e8f0fe;
  --blocked: #d97706;
  --blocked-soft: #fdf2e3;
  --done: #059669;
  --done-soft: #e4f6ef;

  --radius: 14px;
  --radius-sm: 9px;
  --shadow-1: 0 1px 2px rgba(20, 24, 38, 0.06), 0 1px 1px rgba(20, 24, 38, 0.04);
  --shadow-2: 0 18px 48px rgba(20, 24, 38, 0.18), 0 4px 12px rgba(20, 24, 38, 0.08);
  --focus: 0 0 0 3px rgba(79, 70, 229, 0.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: "DM Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  background: var(--ink);
  color: #fff;
  padding: 10px 14px;
  border-radius: 8px;
  z-index: 60;
  transition: top 0.15s ease;
}
.skip-link:focus { top: 12px; }

:focus-visible {
  outline: none;
  box-shadow: var(--focus);
  border-radius: 6px;
}

/* ---------- App bar ---------- */
.app-bar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 14px 22px;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 9px;
  flex-shrink: 0;
}
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--brand), #7c75f0);
  color: #fff;
  align-self: center;
}
.brand-name {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.brand-sub {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.controls {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  margin-left: auto;
  width: min(680px, 100%);
}
.field { position: relative; display: flex; flex-direction: column; gap: 5px; }
.field-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.search-field { flex: 1 1 280px; }
.filter-field { flex: 0 0 190px; }
.search-field input {
  height: 42px;
  padding: 0 12px 0 38px;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  background: var(--surface);
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  width: 100%;
}
.search-ico {
  position: absolute;
  left: 12px;
  bottom: 13px;
  color: var(--ink-faint);
  pointer-events: none;
}
select {
  appearance: none;
  -webkit-appearance: none;
  height: 42px;
  padding: 0 36px 0 13px;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  background: var(--surface);
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  cursor: pointer;
  width: 100%;
}
.select-caret {
  position: absolute;
  right: 12px;
  bottom: 13px;
  color: var(--ink-faint);
  pointer-events: none;
}

/* ---------- Layout ---------- */
.layout { padding: 26px 22px 60px; }
.inbox { max-width: 940px; margin: 0 auto; }
.inbox-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}
.inbox-title {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
}
.inbox-count { color: var(--ink-soft); font-size: 14px; margin: 0; }

.status-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 18px;
}
.status-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: var(--ink);
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.12s ease;
}
.status-pill:hover { border-color: var(--line-strong); }
.status-pill.is-active { border-color: var(--brand); background: var(--brand-soft); }
.status-pill .dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }
.status-pill .pill-label { font-size: 13px; font-weight: 600; }
.status-pill .pill-count {
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
}

/* ---------- Task list ---------- */
.task-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.task {
  display: block;
  width: 100%;
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 15px 16px;
  cursor: pointer;
  font: inherit;
  color: var(--ink);
  box-shadow: var(--shadow-1);
  transition: border-color 0.15s ease, box-shadow 0.18s ease, transform 0.12s ease;
}
.task:hover { border-color: var(--line-strong); box-shadow: var(--shadow-2); transform: translateY(-1px); }
.task:active { transform: translateY(0); }

.task-top { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px 3px 7px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.status-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.s-todo { color: var(--todo); background: var(--todo-soft); }
.s-in-progress { color: var(--prog); background: var(--prog-soft); }
.s-blocked { color: var(--blocked); background: var(--blocked-soft); }
.s-done { color: var(--done); background: var(--done-soft); }

.priority-chip {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.priority-chip.high { color: #b91c1c; }
.priority-chip.medium { color: #a16207; }
.priority-chip.low { color: var(--ink-faint); }

.task-title {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 6px;
  line-height: 1.3;
}
.task-summary {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-soft);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.task-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 16px;
  font-size: 12.5px;
  color: var(--ink-faint);
}
.task-foot .meta { display: inline-flex; align-items: center; gap: 5px; }
.task-foot .meta strong { color: var(--ink-soft); font-weight: 600; }
.avatar {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  font-size: 10px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.due { font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.due.overdue { color: #b91c1c; font-weight: 600; }
.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--ink-soft);
}
.task-id { font-family: "IBM Plex Mono", monospace; font-size: 11px; color: var(--ink-faint); margin-left: auto; }

/* ---------- Empty state ---------- */
.empty-state {
  text-align: center;
  padding: 56px 20px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
}
.empty-ico { color: var(--ink-faint); margin-bottom: 12px; }
.empty-title { font-family: "Space Grotesk"; font-size: 19px; margin: 0 0 6px; }
.empty-text { color: var(--ink-soft); margin: 0 0 18px; }

.btn {
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  border-radius: 10px;
  padding: 10px 16px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.btn:hover { background: var(--surface-2); }
.btn-primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-ink); border-color: var(--brand-ink); }
.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-soft);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.icon-btn:hover { background: var(--surface-2); color: var(--ink); }

/* ---------- Detail dialog ---------- */
dialog.detail {
  border: none;
  padding: 0;
  margin: 0;
  background: transparent;
  max-width: none;
  max-height: none;
  width: 100%;
  height: 100%;
}
dialog.detail::backdrop {
  background: rgba(18, 21, 33, 0.42);
  backdrop-filter: blur(2px);
}
.detail-frame {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(520px, 100%);
  background: var(--surface);
  box-shadow: var(--shadow-2);
  overflow-y: auto;
  padding: 22px 26px 40px;
  animation: slide-in 0.24s ease;
}
@keyframes slide-in { from { transform: translateX(24px); opacity: 0; } to { transform: none; opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  .detail-frame { animation: none; }
  .task { transition: none; }
}

.detail-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.detail-id { font-family: "IBM Plex Mono", monospace; font-size: 12px; color: var(--ink-faint); letter-spacing: 0.04em; }
.detail-status-row { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.detail-title {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 10px;
}
.detail-summary { color: var(--ink-soft); font-size: 15px; line-height: 1.55; margin: 0 0 22px; }

.detail-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 18px;
  margin: 0 0 24px;
  padding: 16px;
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
}
.detail-meta dt {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 3px;
}
.detail-meta dd { margin: 0; font-size: 14px; font-weight: 600; color: var(--ink); }
.detail-meta .tag-row { display: flex; flex-wrap: wrap; gap: 5px; }

.detail-body {
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  white-space: pre-wrap;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
.detail-body .body-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: block;
  margin-bottom: 8px;
}

.detail-control {
  margin-top: 26px;
  padding: 18px;
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
}
.control-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 8px;
}
.detail-control { position: relative; }
.detail-control select { max-width: 100%; }
.detail-control .select-caret { bottom: auto; top: 47px; }
.feedback {
  margin: 10px 0 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--done);
  min-height: 18px;
  display: flex;
  align-items: center;
  gap: 6px;
  opacity: 0;
  transform: translateY(-3px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.feedback.show { opacity: 1; transform: none; }
.feedback .check {
  width: 16px; height: 16px;
  display: inline-grid; place-items: center;
  border-radius: 50%;
  background: var(--done);
  color: #fff;
  flex-shrink: 0;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translate(-50%, 20px);
  background: var(--ink);
  color: #fff;
  padding: 11px 18px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  box-shadow: var(--shadow-2);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 70;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Mobile ---------- */
@media (max-width: 720px) {
  .app-bar { flex-wrap: wrap; padding: 12px 14px; gap: 12px; }
  .controls { width: 100%; margin-left: 0; }
  .filter-field { flex: 1 1 140px; }
  .search-field { flex: 1 1 100%; }
  .layout { padding: 18px 14px 50px; }
  .inbox-title { font-size: 24px; }
  .status-strip { grid-template-columns: repeat(2, 1fr); }
  .task-summary { -webkit-line-clamp: 2; }
  .task-id { display: none; }
  .detail-frame { width: 100%; padding: 18px 18px 36px; }
  .detail-title { font-size: 22px; }
  .detail-meta { grid-template-columns: 1fr; }
}

@media (max-width: 420px) {
  .brand-sub { display: none; }
  .controls { flex-direction: column; align-items: stretch; }
  .filter-field { flex: none; }
}