/* ============================================================
   Pigeonhole — a team task wall dressed as a mail sorting room.
   Wall: deep slate. Cards: aged paper. Status: rubber-stamp ink.
   ============================================================ */

@font-face {
  font-family: "Oswald";
  src: url("assets/oswald.ttf") format("truetype");
  font-weight: 200 700;
  font-display: swap;
}
@font-face {
  font-family: "Literata";
  src: url("assets/literata.ttf") format("truetype");
  font-weight: 200 900;
  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 {
  --wall: #1e272c;
  --wall-deep: #172024;
  --recess: #12191d;
  --paper: #f6f1e3;
  --paper-hi: #fbf7ec;
  --paper-edge: #ddd3ba;
  --paper-dim: #6c6355;
  --ink: #2a251e;
  --ink-soft: #5d5446;
  --ink-blue: #33589e;
  --ink-amber: #a85b12;
  --ink-red: #a32c22;
  --ink-green: #2e6b4c;
  --line-dark: rgba(246, 241, 227, 0.16);
  --line-paper: rgba(42, 37, 30, 0.22);
  --font-sign: "Oswald", "Arial Narrow", sans-serif;
  --font-read: "Literata", Georgia, serif;
  --font-code: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    repeating-linear-gradient(90deg,
      transparent 0 156px,
      rgba(0, 0, 0, 0.14) 156px 159px),
    linear-gradient(180deg, var(--wall) 0%, var(--wall-deep) 100%);
  background-attachment: fixed;
  color: var(--paper);
  font-family: var(--font-read);
  font-size: 16px;
  line-height: 1.55;
}
body.locked { overflow: hidden; }

:focus-visible {
  outline: 2px solid var(--paper);
  outline-offset: 2px;
  border-radius: 2px;
}
.card :focus-visible,
.detail :focus-visible {
  outline-color: var(--ink-blue);
}

/* ---------- masthead signage ---------- */

.masthead {
  border-bottom: 1px solid var(--line-dark);
  background: var(--recess);
}
.masthead__inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(1.4rem, 3vw, 2.6rem) clamp(1rem, 4vw, 2.5rem) clamp(1.2rem, 2.5vw, 2rem);
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem 3rem;
  align-items: flex-end;
  justify-content: space-between;
}
.masthead__title {
  margin: 0;
  font-family: var(--font-sign);
  font-weight: 600;
  font-size: clamp(2.6rem, 5.5vw, 4.2rem);
  line-height: 0.95;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--paper);
}
.masthead__lede {
  margin: 0.7rem 0 0;
  max-width: 34em;
  font-size: 0.98rem;
  color: rgba(246, 241, 227, 0.72);
}
.board {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: clamp(1rem, 2.5vw, 2.2rem);
}
.board__slot {
  display: flex;
  flex-direction: column-reverse;
  gap: 0.15rem;
  padding-bottom: 0.35rem;
  border-bottom: 3px solid var(--paper);
}
.board__slot[data-ink="todo"]        { border-color: var(--ink-blue); }
.board__slot[data-ink="in-progress"] { border-color: var(--ink-amber); }
.board__slot[data-ink="blocked"]     { border-color: var(--ink-red); }
.board__slot[data-ink="done"]        { border-color: var(--ink-green); }
.board__num {
  font-family: var(--font-sign);
  font-weight: 500;
  font-size: 1.9rem;
  line-height: 1;
}
.board__label {
  font-family: var(--font-code);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: rgba(246, 241, 227, 0.6);
}

/* ---------- sorting controls ---------- */

.controlsbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--wall-deep);
  border-bottom: 1px solid var(--line-dark);
}
.controlsbar__inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0.7rem clamp(1rem, 4vw, 2.5rem);
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.8rem 1.4rem;
}
.control { display: flex; flex-direction: column; gap: 0.25rem; }
.control--search { flex: 1 1 260px; max-width: 420px; }
.control--filter { flex: 0 1 auto; }
.control__label {
  font-family: var(--font-sign);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: rgba(246, 241, 227, 0.65);
}
.control__input {
  font-family: var(--font-read);
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--paper-edge);
  border-radius: 3px;
  padding: 0.45rem 0.6rem;
  width: 100%;
}
.control__input::placeholder { color: #96896f; }
.control__select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 2rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%232a251e' stroke-width='2'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.6rem center;
  cursor: pointer;
}
.controlsbar__shown {
  margin: 0 0 0.35rem auto;
  font-family: var(--font-code);
  font-size: 0.72rem;
  color: rgba(246, 241, 227, 0.55);
}

/* ---------- the wall ---------- */

.wallwrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(1.2rem, 3vw, 2.2rem) clamp(1rem, 4vw, 2.5rem) 5rem;
}
.shelf { margin: 0 0 2.2rem; }
.shelf__name {
  margin: 0 0 0.8rem;
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  font-family: var(--font-sign);
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(246, 241, 227, 0.85);
}
.shelf__name::after {
  content: "";
  order: 3;
  flex: 1;
  height: 1px;
  background: var(--line-dark);
  align-self: center;
}
.shelf__count {
  order: 2;
  font-family: var(--font-code);
  font-size: 0.72rem;
  letter-spacing: 0;
  color: var(--paper);
  background: rgba(246, 241, 227, 0.1);
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  padding: 0.05rem 0.55rem;
}
.shelf__cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 0.9rem;
}

/* ---------- index cards ---------- */

.card {
  position: relative;
}
.card__open {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  width: 100%;
  min-height: 128px;
  text-align: left;
  font: inherit;
  color: var(--ink);
  background: linear-gradient(180deg, var(--paper-hi) 0%, var(--paper) 100%);
  border: 1px solid var(--paper-edge);
  border-left-width: 7px;
  border-radius: 3px;
  padding: 0.85rem 0.95rem 0.7rem 1rem;
  cursor: pointer;
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.35);
  transition: transform 120ms ease, box-shadow 120ms ease;
}
.card__open:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 12px rgba(0, 0, 0, 0.4);
}
.card[data-status="todo"]        .card__open { border-left-color: var(--ink-blue); }
.card[data-status="in-progress"] .card__open { border-left-color: var(--ink-amber); }
.card[data-status="blocked"]     .card__open { border-left-color: var(--ink-red); }
.card[data-status="done"]        .card__open { border-left-color: var(--ink-green); }

.card__title {
  font-family: var(--font-read);
  font-weight: 600;
  font-size: 1.02rem;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
/* keep titles clear of the rotated stamp on blocked and done cards */
.card[data-status="blocked"] .card__title,
.card[data-status="done"] .card__title { padding-right: 5.2rem; }
.card__project {
  font-family: var(--font-code);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}
.card__foot {
  margin-top: auto;
  padding-top: 0.55rem;
  border-top: 1px solid var(--line-paper);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.3rem 0.8rem;
  font-size: 0.78rem;
  color: var(--ink-soft);
}
.card__who { font-weight: 600; color: var(--ink); }
.card__prio {
  display: inline-flex;
  gap: 2px;
  align-items: flex-end;
}
.card__prio i {
  width: 4px;
  border-radius: 1px;
  background: var(--line-paper);
}
.card__prio i:nth-child(1) { height: 5px; }
.card__prio i:nth-child(2) { height: 8px; }
.card__prio i:nth-child(3) { height: 11px; }
.card__prio i.on { background: var(--ink-soft); }
.card__due, .card__notes { font-family: var(--font-code); font-size: 0.7rem; }

/* stamps (blocked / done cards carry an ink stamp) */
.stamp {
  font-family: var(--font-sign);
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-blue);
  border: 2px solid currentColor;
  border-radius: 4px;
  padding: 0.1rem 0.5rem 0.08rem;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.35);
}
.stamp[data-ink="todo"]        { color: var(--ink-blue); }
.stamp[data-ink="in-progress"] { color: var(--ink-amber); }
.stamp[data-ink="blocked"]     { color: var(--ink-red); }
.stamp[data-ink="done"]        { color: var(--ink-green); }
.stamp--card {
  position: absolute;
  top: 0.55rem;
  right: 0.7rem;
  transform: rotate(6deg);
  opacity: 0.85;
  pointer-events: none;
}

/* ---------- empty state ---------- */

.empty {
  background: var(--recess);
  border: 1px dashed var(--line-dark);
  border-radius: 4px;
  padding: 2.6rem 1.5rem;
  text-align: center;
}
.empty__title {
  margin: 0;
  font-family: var(--font-sign);
  font-weight: 500;
  font-size: 1.3rem;
  letter-spacing: 0.02em;
}
.empty__text {
  margin: 0.5rem auto 1.2rem;
  max-width: 40em;
  font-size: 0.92rem;
  color: rgba(246, 241, 227, 0.7);
}
.empty__reset {
  font-family: var(--font-sign);
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--paper-edge);
  border-radius: 3px;
  padding: 0.5rem 1rem;
  cursor: pointer;
}
.empty__reset:hover { background: var(--paper-hi); }

/* ---------- pulled-out card (detail) ---------- */

.overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(10, 15, 17, 0.66);
  overflow-y: auto;
  padding: clamp(0.75rem, 4vh, 3rem) clamp(0.75rem, 3vw, 2rem);
}
.overlay[hidden] { display: none; }
.overlay.is-open .detail { animation: pullout 240ms cubic-bezier(0.2, 0.9, 0.3, 1.2) backwards; }
@keyframes pullout {
  from { opacity: 0; transform: translateY(26px) rotate(-0.6deg); }
  to   { opacity: 1; transform: translateY(0) rotate(0); }
}

.detail {
  max-width: 720px;
  margin: 0 auto;
  background: linear-gradient(180deg, var(--paper-hi) 0%, var(--paper) 120%);
  color: var(--ink);
  border: 1px solid var(--paper-edge);
  border-top-width: 8px;
  border-radius: 3px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.5);
  padding: 1.2rem clamp(1rem, 3.5vw, 2.2rem) 2rem;
}
.detail[data-id] { border-top-color: var(--paper-edge); }
.detail[data-ink="todo"]        { border-top-color: var(--ink-blue); }
.detail[data-ink="in-progress"] { border-top-color: var(--ink-amber); }
.detail[data-ink="blocked"]     { border-top-color: var(--ink-red); }
.detail[data-ink="done"]        { border-top-color: var(--ink-green); }

.detail__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.detail__close {
  font-family: var(--font-sign);
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line-paper);
  border-radius: 3px;
  padding: 0.4rem 0.85rem;
  cursor: pointer;
}
.detail__close:hover { background: rgba(42, 37, 30, 0.06); }

.stamp--detail { font-size: 1rem; padding: 0.2rem 0.7rem 0.16rem; }
.stamp--detail.thunk { animation: thunk 260ms cubic-bezier(0.2, 0.9, 0.3, 1.3); }
@keyframes thunk {
  0%   { opacity: 0; transform: scale(1.7) rotate(-14deg); }
  60%  { opacity: 1; transform: scale(0.94) rotate(-5deg); }
  100% { opacity: 1; transform: scale(1) rotate(-5deg); }
}
.stamp--detail { transform: rotate(-5deg); }

.detail__title {
  margin: 0 0 1rem;
  font-family: var(--font-read);
  font-weight: 700;
  font-size: clamp(1.35rem, 3vw, 1.7rem);
  line-height: 1.3;
  max-width: 24em;
}
.detail__meta {
  margin: 0 0 1.3rem;
  padding: 0.8rem 0;
  border-top: 1px solid var(--line-paper);
  border-bottom: 1px solid var(--line-paper);
  display: grid;
  grid-template-columns: auto 1fr auto 1fr;
  gap: 0.45rem 1rem;
  font-size: 0.85rem;
}
.detail__meta dt {
  font-family: var(--font-sign);
  font-weight: 500;
  font-size: 0.7rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-soft);
  align-self: baseline;
}
.detail__meta dd { margin: 0; }
.detail__meta .mono { font-family: var(--font-code); font-size: 0.78rem; }
.detail__body { max-width: 62ch; }
.detail__body p { margin: 0 0 0.9rem; font-size: 0.98rem; }
.detail__body p.outcome {
  border-left: 3px solid var(--line-paper);
  padding-left: 0.9rem;
  color: var(--ink-soft);
}

.detail__file {
  margin-top: 1.6rem;
  padding-top: 1.1rem;
  border-top: 1px dashed var(--line-paper);
  max-width: 30rem;
}
.detail__filelabel {
  display: block;
  font-family: var(--font-sign);
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.45rem;
}
.detail__select { width: 100%; font-size: 1rem; }
.detail__fileline {
  margin: 0.55rem 0 0;
  font-size: 0.82rem;
  font-style: italic;
  color: var(--ink-soft);
  min-height: 1.2em;
}

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

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.2rem;
  z-index: 60;
  transform: translateX(-50%) translateY(10px);
  opacity: 0;
  pointer-events: none;
  background: var(--paper);
  color: var(--ink);
  font-size: 0.88rem;
  border: 1px solid var(--paper-edge);
  border-left: 6px solid var(--ink-blue);
  border-radius: 3px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
  padding: 0.6rem 1rem;
  max-width: min(88vw, 34rem);
  transition: opacity 180ms ease, transform 180ms ease;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast[data-ink="todo"]        { border-left-color: var(--ink-blue); }
.toast[data-ink="in-progress"] { border-left-color: var(--ink-amber); }
.toast[data-ink="blocked"]     { border-left-color: var(--ink-red); }
.toast[data-ink="done"]        { border-left-color: var(--ink-green); }

/* ---------- arrival of cards (one orchestrated moment) ---------- */

@media (prefers-reduced-motion: no-preference) {
  .card__open { animation: settle 420ms ease backwards; animation-delay: calc(var(--i, 0) * 45ms); }
  @keyframes settle {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
  }
}

/* ---------- narrow screens ---------- */

@media (max-width: 640px) {
  .board { width: 100%; justify-content: space-between; }
  .board__num { font-size: 1.5rem; }
  .controlsbar__shown { width: 100%; order: 5; margin: 0; }
  .shelf__cards { grid-template-columns: 1fr; }
  .card__open { min-height: 0; }
  .card[data-status="blocked"] .card__title,
  .card[data-status="done"] .card__title { padding-right: 5.2rem; }
  .overlay { padding: 0; }
  .detail {
    max-width: none;
    min-height: 100%;
    border-radius: 0;
    border-left-width: 0;
    border-right-width: 0;
    padding-bottom: 3rem;
  }
  .detail__head {
    position: sticky;
    top: 0;
    z-index: 2;
    background: var(--paper-hi);
    margin: -1.2rem calc(-1 * clamp(1rem, 3.5vw, 2.2rem)) 1rem;
    padding: 0.8rem clamp(1rem, 3.5vw, 2.2rem) 0.7rem;
    border-bottom: 1px solid var(--line-paper);
  }
  .detail__meta { grid-template-columns: auto 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .card__open, .overlay.is-open .detail, .stamp--detail.thunk { animation: none; }
  .card__open, .toast { transition: none; }
}