/* ============================================================
   THE SORTERY — a mailroom sorting desk for the team's tasks
   ============================================================ */

@font-face {
  font-family: "DM Serif Display";
  src: url("assets/dm-serif.ttf") format("truetype");
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("assets/ibm-plex-mono.ttf") format("truetype");
  font-display: swap;
}
@font-face {
  font-family: "Literata";
  src: url("assets/literata.ttf") format("truetype");
  font-display: swap;
}

:root {
  color-scheme: light;
  --paper: #f3ecdd;
  --paper-deep: #e9dfc8;
  --card: #fbf6ea;
  --ink: #241f18;
  --ink-soft: #57503f;
  --line: #c9bda0;
  --red: #b23a2b;
  --blue: #1f5aa8;
  --amber: #9a5a10;
  --green: #1e6b45;
  --grey: #6b6255;
  --st-todo: var(--blue);
  --st-in-progress: var(--amber);
  --st-blocked: var(--red);
  --st-done: var(--green);
  --serif: "DM Serif Display", Georgia, serif;
  --body: "Literata", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

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

body {
  margin: 0;
  background:
    radial-gradient(120% 60% at 50% 0%, rgba(255, 252, 240, 0.7), transparent 60%),
    radial-gradient(90% 70% at 100% 100%, rgba(120, 96, 55, 0.1), transparent 55%),
    var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  min-height: 100vh;
}

button,
select,
input {
  font: inherit;
  color: inherit;
  touch-action: manipulation;
  -webkit-tap-highlight-color: rgba(178, 58, 43, 0.15);
}

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

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3.5rem;
  z-index: 60;
  background: var(--ink);
  color: var(--card);
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 0.55rem 0.9rem;
  text-decoration: none;
  transition: top 160ms ease;
}
.skip-link:focus {
  top: 0.75rem;
}

/* --- Airmail band + masthead ------------------------------- */

.airmail {
  height: 12px;
  background: repeating-linear-gradient(
    -45deg,
    var(--red) 0 14px,
    var(--card) 14px 28px,
    var(--blue) 28px 42px,
    var(--card) 42px 56px
  );
  border-bottom: 2px solid var(--ink);
}

.masthead {
  max-width: 1080px;
  margin: 0 auto;
  padding: 2.2rem 1.25rem 1.4rem;
  text-align: center;
}

.masthead-kicker {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 0.5rem;
}

.masthead-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 6.5vw, 4.4rem);
  line-height: 1;
  margin: 0;
  text-wrap: balance;
  letter-spacing: 0.01em;
}

.masthead-sub {
  max-width: 46ch;
  margin: 0.7rem auto 0;
  color: var(--ink-soft);
  font-size: 1rem;
  text-wrap: pretty;
}

.tally {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin: 1.1rem auto 0;
  padding: 0.45rem 0.9rem;
  display: inline-block;
  border: 1.5px dashed var(--line);
  background: var(--card);
  font-variant-numeric: tabular-nums;
}

/* --- Deskbar: search + tray -------------------------------- */

.deskbar {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0.4rem 1.25rem 1.4rem;
  display: flex;
  gap: 1.25rem;
  align-items: end;
  flex-wrap: wrap;
  border-bottom: 2px solid var(--ink);
}

.deskbar-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  flex: 1 1 260px;
  max-width: 420px;
}

.deskbar-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.search-wrap {
  position: relative;
}

#search {
  width: 100%;
  padding: 0.6rem 2.9rem 0.6rem 0.8rem;
  border: 2px solid var(--ink);
  border-radius: 0;
  background: var(--card);
  font-family: var(--body);
  font-size: 0.95rem;
}

#search::-webkit-search-cancel-button {
  -webkit-appearance: none;
}

#search::placeholder {
  color: var(--ink-soft);
  opacity: 0.75;
}

.clear-btn {
  position: absolute;
  right: 0.3rem;
  top: 50%;
  transform: translateY(-50%);
  width: 2.2rem;
  height: 2.2rem;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  background: var(--card);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  color: var(--ink);
  transition: background-color 140ms ease, color 140ms ease;
}
.clear-btn:hover {
  background: var(--ink);
  color: var(--card);
}

#filter {
  padding: 0.6rem 0.7rem;
  border: 2px solid var(--ink);
  border-radius: 0;
  background: var(--card);
  color: var(--ink);
  font-family: var(--body);
  font-size: 0.95rem;
  min-height: 44px;
}

/* --- The pile: pieces of mail ------------------------------ */

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.6rem 1.25rem 3rem;
}

.pile {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.1rem;
}

.piece {
  position: relative;
  height: 100%;
}

.piece-card {
  position: relative;
  height: 100%;
  display: block;
  width: 100%;
  text-align: left;
  background:
    linear-gradient(rgba(36, 31, 24, 0.028), rgba(36, 31, 24, 0.028)),
    var(--card);
  border: 1.5px solid var(--ink);
  box-shadow: 3px 4px 0 rgba(36, 31, 24, 0.18);
  cursor: pointer;
  padding: 0;
  overflow: hidden;
  transition: transform 160ms ease, box-shadow 160ms ease;
  transform: rotate(var(--tilt, 0deg));
}

.piece:nth-child(3n + 1) { --tilt: -0.45deg; }
.piece:nth-child(3n + 2) { --tilt: 0.4deg; }
.piece:nth-child(3n)     { --tilt: -0.15deg; }

.piece-card:hover {
  transform: rotate(0deg) translateY(-3px);
  box-shadow: 4px 7px 0 rgba(36, 31, 24, 0.22);
}

.piece-card:active {
  transform: translateY(0);
  box-shadow: 2px 2px 0 rgba(36, 31, 24, 0.2);
}

.piece-edge {
  position: absolute;
  inset: 0 auto 0 0;
  width: 9px;
  background: repeating-linear-gradient(
    -45deg,
    var(--red) 0 9px,
    var(--card) 9px 18px,
    var(--blue) 18px 27px,
    var(--card) 27px 36px
  );
  border-right: 1.5px solid var(--ink);
  pointer-events: none;
}

.piece-inner {
  display: block;
  padding: 0.85rem 1rem 0.7rem 1.35rem;
}

.piece-topline {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.6rem;
  margin-bottom: 0.55rem;
}

.stamp {
  flex: none;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 2px solid currentColor;
  padding: 0.28rem 0.45rem 0.22rem;
  transform: rotate(3deg);
  position: relative;
  opacity: 0.92;
}
.stamp::after {
  content: "";
  position: absolute;
  inset: 2px;
  border: 1px dashed currentColor;
  opacity: 0.6;
}
.stamp-high   { color: var(--red); }
.stamp-medium { color: var(--amber); }
.stamp-low    { color: var(--grey); }

.postmark {
  flex: none;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border: 1.5px solid var(--ink-soft);
  border-radius: 50%;
  padding: 0.5rem 0.55rem;
  transform: rotate(6deg);
  font-variant-numeric: tabular-nums;
  text-align: center;
  line-height: 1.15;
  opacity: 0.85;
}

.piece-title {
  display: block;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.28rem;
  line-height: 1.22;
  margin: 0 0 0.45rem;
  text-wrap: balance;
}

.piece-note {
  display: -webkit-box;
  font-size: 0.85rem;
  color: var(--ink-soft);
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 0.7rem;
}

.piece-footline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
  border-top: 1.5px dashed var(--line);
  padding-top: 0.55rem;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-soft);
  min-width: 0;
}
.piece-footline > span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.piece-route { font-weight: 600; }
.piece-route.st-todo        { color: var(--st-todo); }
.piece-route.st-in-progress { color: var(--st-in-progress); }
.piece-route.st-blocked     { color: var(--st-blocked); }
.piece-route.st-done        { color: var(--st-done); }

.piece-restamp {
  animation: card-restamp 500ms ease;
}
@keyframes card-restamp {
  0% { transform: rotate(var(--tilt, 0deg)) scale(1); }
  35% { transform: rotate(var(--tilt, 0deg)) scale(0.97); }
  100% { transform: rotate(var(--tilt, 0deg)) scale(1); }
}

/* --- Empty state ------------------------------------------- */

.empty {
  text-align: center;
  padding: 3.5rem 1rem 2.5rem;
}

.empty-stamp {
  display: inline-block;
  font-family: var(--mono);
  font-size: 1.05rem;
  letter-spacing: 0.3em;
  color: var(--red);
  border: 4px double var(--red);
  padding: 1.1rem 1.6rem;
  transform: rotate(-5deg);
  margin: 0 0 1.4rem;
  opacity: 0.85;
  line-height: 1.5;
}

.empty-copy {
  color: var(--ink-soft);
  max-width: 44ch;
  margin: 0 auto 1.3rem;
}

#reset-sort {
  background: var(--ink);
  color: var(--card);
  border: 2px solid var(--ink);
  padding: 0.6rem 1.2rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color 140ms ease, color 140ms ease;
}
#reset-sort:hover {
  background: transparent;
  color: var(--ink);
}

/* --- Detail: the reading shelf ------------------------------ */

.scrim {
  position: fixed;
  inset: 0;
  z-index: 30;
  background: rgba(30, 25, 17, 0.45);
  border: 0;
  padding: 0;
}

.detail {
  position: fixed;
  z-index: 40;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(560px, 100vw);
  background:
    linear-gradient(rgba(36, 31, 24, 0.02), rgba(36, 31, 24, 0.02)),
    var(--card);
  border-left: 3px solid var(--ink);
  box-shadow: -10px 0 30px rgba(30, 25, 17, 0.25);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.detail:not([hidden]) {
  animation: shelf-in 220ms ease;
}

@keyframes shelf-in {
  from { transform: translateX(36px); }
  to   { transform: translateX(0); }
}

.scrim:not([hidden]) {
  animation: scrim-in 220ms ease;
}

@keyframes scrim-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.detail-inner {
  position: relative;
  padding: 1rem 1.4rem calc(2.2rem + env(safe-area-inset-bottom));
  min-height: 100%;
}

.detail-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 1.2rem;
}

.close-btn {
  background: var(--card);
  border: 2px solid var(--ink);
  padding: 0.45rem 0.85rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 140ms ease, color 140ms ease;
}
.close-btn:hover {
  background: var(--ink);
  color: var(--card);
}

.detail-file {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.detail-stamp {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 600;
  border: 3px double currentColor;
  padding: 0.4rem 0.7rem 0.3rem;
  transform: rotate(-3deg);
  margin: 0 0 0.6rem;
  mix-blend-mode: multiply;
}
.detail-stamp.st-todo        { color: var(--st-todo); }
.detail-stamp.st-in-progress { color: var(--st-in-progress); }
.detail-stamp.st-blocked     { color: var(--st-blocked); }
.detail-stamp.st-done        { color: var(--st-done); }

.detail-priority {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin: 0 0 0.35rem;
  color: var(--ink-soft);
}

.detail-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  line-height: 1.15;
  margin: 0 0 1rem;
  text-wrap: balance;
}

.detail-meta {
  margin: 0 0 1rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem 1rem;
  border: 1.5px dashed var(--line);
  padding: 0.9rem 1rem;
  background: var(--paper);
}

.detail-meta dt {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.15rem;
}

.detail-meta dd {
  margin: 0;
  font-size: 0.92rem;
  font-variant-numeric: tabular-nums;
}

.detail-tags {
  margin: 0 0 1.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
}

.detail-body p {
  margin: 0 0 1rem;
  font-size: 1rem;
  line-height: 1.7;
  text-wrap: pretty;
}

.detail-stampdesk {
  margin-top: 1.8rem;
  border: 2px solid var(--ink);
  background: var(--paper);
  padding: 1rem 1.1rem 1.1rem;
}

.stampdesk-label {
  display: block;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.stampdesk-row {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  flex-wrap: wrap;
}

#status-control {
  padding: 0.6rem 0.7rem;
  border: 2px solid var(--ink);
  border-radius: 0;
  background: var(--card);
  color: var(--ink);
  font-family: var(--body);
  font-size: 0.95rem;
  min-height: 44px;
  flex: 1 1 180px;
}

.stampdesk-hint {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* The slammed stamp */
.slam {
  position: absolute;
  right: 1.6rem;
  top: 5.2rem;
  font-family: var(--mono);
  font-size: 1.15rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 0.7rem 1rem;
  border: 4px double currentColor;
  transform: rotate(-9deg) scale(2.4);
  opacity: 0;
  pointer-events: none;
  mix-blend-mode: multiply;
  white-space: nowrap;
}
.slam.play {
  animation: stamp-slam 480ms cubic-bezier(0.2, 1.4, 0.4, 1) forwards;
}
@keyframes stamp-slam {
  0%   { opacity: 0; transform: rotate(-16deg) scale(2.6); }
  45%  { opacity: 1; transform: rotate(-9deg) scale(0.92); }
  60%  { transform: rotate(-9deg) scale(1.04); }
  100% { opacity: 0.9; transform: rotate(-9deg) scale(1); }
}
.slam.st-todo        { color: var(--st-todo); }
.slam.st-in-progress { color: var(--st-in-progress); }
.slam.st-blocked     { color: var(--st-blocked); }
.slam.st-done        { color: var(--st-done); }

/* --- Toast --------------------------------------------------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.2rem;
  transform: translateX(-50%) translateY(140%);
  z-index: 50;
  background: var(--ink);
  color: var(--card);
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  padding: 0.7rem 1.1rem;
  border: 2px solid var(--card);
  outline: 2px solid var(--ink);
  max-width: min(92vw, 34rem);
  text-align: center;
  transition: transform 260ms ease;
  pointer-events: none;
}
.toast.show {
  transform: translateX(-50%) translateY(0);
}

/* --- Colophon ------------------------------------------------ */

.colophon {
  border-top: 2px solid var(--ink);
  padding: 1.2rem 1.25rem 2rem;
  text-align: center;
}
.colophon p {
  max-width: 60ch;
  margin: 0 auto;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

/* --- Narrow screens ------------------------------------------ */

@media (max-width: 640px) {
  .pile {
    grid-template-columns: 1fr;
  }
  .detail {
    width: 100vw;
    border-left: 0;
  }
  .detail-meta {
    grid-template-columns: 1fr;
  }
  .slam {
    font-size: 0.9rem;
    right: 1rem;
    top: 4.6rem;
  }
}

/* --- Motion safety ------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .detail:not([hidden]),
  .scrim:not([hidden]) {
    animation: none;
  }
  .skip-link,
  .piece-card,
  .toast,
  .clear-btn,
  .close-btn,
  #reset-sort {
    transition: none;
  }
  .piece-card:hover {
    transform: rotate(var(--tilt, 0deg));
  }
  .slam.play {
    animation: none;
    opacity: 0.9;
    transform: rotate(-9deg) scale(1);
  }
  .piece-restamp {
    animation: none;
  }
}