/* ==========================================================================
   claudia-kanji-bank.css
   Porcelain x Signal reference interface for the Part 1 Kanji Guild.
   ========================================================================== */

:root {
  --bank-ink: #24312d;
  --bank-muted: #58645f;
  --bank-signal: #2f7883;
  --bank-signal-dark: #245b63;
  --bank-red: #c84552;
  --bank-line: #c7d5d1;
  --bank-paper: #fbfcfa;
  --bank-mist: #edf4f1;
}

html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  margin: 0;
  padding: 28px 16px 44px;
  background:
    radial-gradient(circle at 10% 7%, rgba(200, 69, 82, .09), transparent 28%),
    radial-gradient(circle at 90% 82%, rgba(47, 120, 131, .12), transparent 34%),
    #e7e9e5;
  color: var(--bank-ink);
}

button, input { font: inherit; }

.bank-shell {
  width: min(1160px, 100%);
  margin: 0 auto;
  overflow: hidden;
  border: 2px solid #334155;
  border-radius: 14px;
  background: var(--bank-paper);
  box-shadow: 8px 9px 0 rgba(51, 65, 85, .13);
}

.bank-hero { border-bottom: 1px solid var(--bank-line); }

.bank-signal {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 8px 24px;
  background: #264f43;
  color: #fff;
  font-family: var(--f-mono);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.bank-hero__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: end;
  min-height: 245px;
  padding: 30px 34px 25px;
  background:
    radial-gradient(circle at 16% 10%, rgba(255,255,255,.96), transparent 35%),
    linear-gradient(130deg, rgba(237,244,241,.92), rgba(255,247,249,.8));
}

.bank-hero__copy { max-width: 720px; }
.bank-kicker {
  margin: 0 0 7px;
  color: var(--bank-red);
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.bank-hero h1 {
  margin: 0;
  color: #264f43;
  font-family: var(--f-serif-jp);
  font-size: clamp(2.5rem, 7vw, 4.7rem);
  line-height: .98;
  letter-spacing: -.03em;
  text-wrap: balance;
}

.bank-hero__copy > p:last-child {
  max-width: 67ch;
  margin: 18px 0 0;
  color: var(--bank-muted);
  font-size: 1rem;
  line-height: 1.65;
  text-wrap: pretty;
}

.bank-cast {
  display: flex;
  align-items: end;
  padding: 0 6px 4px;
}

.bank-cast .mascot {
  margin-left: -15px;
  filter: drop-shadow(0 5px 4px rgba(36, 49, 45, .16));
}

.bank-cast .mascot:first-child { margin-left: 0; }

.bank-learning-loop {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 22px;
  align-items: center;
  padding: 20px 34px;
  border-bottom: 1px solid var(--bank-line);
}

.bank-learning-loop h2 {
  margin: 0;
  color: #264f43;
  font-family: var(--f-serif-jp);
  font-size: 1.25rem;
  line-height: 1.2;
}

.bank-learning-loop ol {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: guild-round;
}

.bank-learning-loop li {
  position: relative;
  min-height: 50px;
  padding: 2px 20px 2px 42px;
  border-left: 1px solid var(--bank-line);
  counter-increment: guild-round;
}

.bank-learning-loop li::before {
  content: counter(guild-round);
  position: absolute;
  left: 12px;
  top: 1px;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--bank-signal);
  color: #fff;
  font-family: var(--f-mono);
  font-size: 10px;
  font-weight: 900;
}

.bank-learning-loop li b,
.bank-learning-loop li span { display: block; }
.bank-learning-loop li b { color: var(--bank-ink); font-size: .88rem; }
.bank-learning-loop li span { margin-top: 2px; color: var(--bank-muted); font-size: .78rem; line-height: 1.4; }

.bank-voices {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-bottom: 1px solid var(--bank-line);
  background: rgba(237, 244, 241, .5);
}

.bank-voices p {
  margin: 0;
  padding: 13px 22px;
  border-left: 1px solid var(--bank-line);
  font-size: .78rem;
  line-height: 1.45;
}

.bank-voices p:first-child { border-left: 0; }
.bank-voices b { display: block; margin-bottom: 2px; color: var(--bank-red); font-family: var(--f-mono); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }
.bank-voices span { color: var(--bank-muted); font-style: italic; }

.bank-controls {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(230px, .8fr);
  gap: 18px 24px;
  padding: 23px 34px;
  border-bottom: 1px solid var(--bank-line);
  background: #fff;
}

.control-group--progress { grid-column: 1 / -1; }
.control-label {
  display: block;
  margin-bottom: 7px;
  color: var(--bank-signal-dark);
  font-family: var(--f-mono);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.bank-filters { display: flex; flex-wrap: wrap; gap: 7px; }

.filter-button,
.state-button,
.pager-button {
  border: 2px solid #bdc9c5;
  background: #fff;
  color: #34423d;
  cursor: pointer;
  font-weight: 750;
  transition: transform 140ms ease-out, border-color 140ms ease-out, background-color 140ms ease-out, color 140ms ease-out;
}

.filter-button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  padding: 5px 9px;
  border-radius: 999px;
  font-size: .74rem;
}

.filter-button:hover,
.state-button:hover,
.pager-button:hover:not(:disabled) { transform: translateY(-1px); border-color: var(--filter-color, var(--state-color, var(--bank-signal))); }

.filter-button.is-active {
  border-color: var(--filter-color);
  background: color-mix(in srgb, var(--filter-color) 11%, #fff);
  color: color-mix(in srgb, var(--filter-color) 82%, #111);
}

.filter-glyph {
  display: grid;
  place-items: center;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--filter-color) 12%, #fff);
  color: var(--filter-color);
  font-family: var(--f-serif-jp);
  font-size: .72rem;
  font-weight: 900;
}

.filter-count {
  min-width: 20px;
  padding: 1px 5px;
  border-radius: 999px;
  background: #eef2f0;
  color: #52605b;
  font-family: var(--f-mono);
  font-size: 9px;
  text-align: center;
}

.bank-search input {
  width: 100%;
  min-height: 42px;
  padding: 8px 11px;
  border: 2px solid #aebdb8;
  border-radius: 9px;
  background: #fff;
  color: var(--bank-ink);
  outline: none;
}

.bank-search input::placeholder { color: #65736e; opacity: 1; }
.bank-search input:focus { border-color: var(--bank-signal); box-shadow: 0 0 0 3px rgba(47,120,131,.14); }
.bank-search small { display: block; margin-top: 5px; color: var(--bank-muted); font-size: .7rem; }

.bank-result-line {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 34px 10px;
  color: var(--bank-muted);
  font-family: var(--f-mono);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.bank-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  min-height: 736px;
  padding: 0 34px 24px;
}

.kanji-tile {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  border: 2px solid #40506a;
  border-radius: 11px;
  background: #fff;
}

.tile-house {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 5px 9px;
  background: color-mix(in srgb, var(--house-color) 10%, #fff);
  color: color-mix(in srgb, var(--house-color) 78%, #17211d);
  font-family: var(--f-mono);
  font-size: 8px;
  font-weight: 900;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.tile-house > span { font-family: var(--f-serif-jp); font-size: .86rem; }
.tile-house b {
  margin-left: auto;
  color: var(--state-color);
  font-size: 8px;
  white-space: nowrap;
}

.tile-core {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  align-items: center;
  min-height: 105px;
  padding: 10px 12px 8px;
}

.tile-kanji {
  color: #252826;
  font-family: var(--f-serif-jp);
  font-size: 3.8rem;
  font-weight: 900;
  line-height: 1;
}

.tile-reading {
  margin: 0 0 3px;
  color: var(--house-color);
  font-family: var(--f-mono);
  font-size: .7rem;
  font-weight: 800;
  line-height: 1.35;
}

.tile-core h2 {
  margin: 0;
  color: var(--bank-ink);
  font-family: var(--f-body);
  font-size: .9rem;
  line-height: 1.3;
  text-wrap: pretty;
}

.tile-origin {
  display: flex;
  align-items: baseline;
  gap: 7px;
  min-height: 45px;
  margin: 0;
  padding: 8px 11px;
  border-top: 1px solid var(--bank-line);
  border-bottom: 1px solid var(--bank-line);
  background: #f5f8f6;
  color: var(--bank-muted);
  font-size: .72rem;
  line-height: 1.35;
}

.tile-origin span {
  color: var(--bank-signal);
  font-family: var(--f-mono);
  font-size: 8px;
  font-weight: 900;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.tile-origin b { color: var(--bank-ink); font-weight: 650; }

.tile-states {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin-top: auto;
  padding: 7px;
}

.state-button {
  min-height: 35px;
  padding: 4px 3px;
  border-width: 1.5px;
  border-radius: 7px;
  font-size: .62rem;
  line-height: 1.1;
}

.state-button span { display: block; color: var(--state-color); font-size: .78rem; font-weight: 900; }
.state-button.is-active { border-color: var(--state-color); background: color-mix(in srgb, var(--state-color) 11%, #fff); color: color-mix(in srgb, var(--state-color) 82%, #111); }

.bank-empty {
  grid-column: 1 / -1;
  display: grid;
  place-items: center;
  align-content: center;
  min-height: 300px;
  border: 2px dashed var(--bank-line);
  border-radius: 11px;
  color: var(--bank-muted);
  text-align: center;
}
.bank-empty b { color: var(--bank-ink); }
.bank-empty span { margin-top: 4px; font-size: .85rem; }

.bank-pager {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 0 34px 28px;
}

.pager-button {
  min-height: 42px;
  padding: 8px 15px;
  border-radius: 9px;
  font-size: .78rem;
}
.pager-button--next { margin-left: auto; border-color: var(--bank-signal); background: var(--bank-signal); color: #fff; }
.pager-button:disabled { cursor: not-allowed; opacity: .42; }

.bank-credit {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  padding: 12px 24px;
  background: #264f43;
  color: #fff;
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: .05em;
}

button:focus-visible,
input:focus-visible { outline: 3px solid rgba(200,69,82,.38); outline-offset: 2px; }

@media (max-width: 900px) {
  .bank-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .bank-learning-loop { grid-template-columns: 1fr; }
  .bank-learning-loop li:first-child { border-left: 0; }
}

@media (max-width: 700px) {
  body { padding: 0; background: var(--bank-paper); }
  .bank-shell { border: 0; border-radius: 0; box-shadow: none; }
  .bank-hero__body { grid-template-columns: 1fr; padding: 25px 20px 18px; }
  .bank-cast { justify-content: center; }
  .bank-learning-loop { padding: 18px 20px; }
  .bank-learning-loop ol { grid-template-columns: 1fr; }
  .bank-learning-loop li { padding: 8px 10px 8px 42px; border-left: 0; border-top: 1px solid var(--bank-line); }
  .bank-learning-loop li:first-child { border-top: 0; }
  .bank-learning-loop li::before { top: 8px; }
  .bank-voices { grid-template-columns: 1fr; }
  .bank-voices p { border-left: 0; border-top: 1px solid var(--bank-line); }
  .bank-voices p:first-child { border-top: 0; }
  .bank-controls { grid-template-columns: 1fr; padding: 20px; }
  .control-group--progress { grid-column: auto; }
  .bank-result-line { padding-inline: 20px; }
  .bank-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); min-height: 0; padding: 0 20px 22px; }
  .bank-pager { padding: 0 20px 24px; }
  .bank-credit { flex-direction: column; }
}

@media (max-width: 470px) {
  .bank-signal { padding-inline: 15px; font-size: 8px; }
  .bank-hero h1 { font-size: 2.45rem; }
  .bank-grid { grid-template-columns: 1fr; }
  .tile-core { grid-template-columns: 94px minmax(0, 1fr); }
  .tile-kanji { font-size: 4.4rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}

@media print {
  body { padding: 0; background: #fff; }
  .bank-shell { width: 100%; border: 0; box-shadow: none; }
  .bank-controls, .bank-pager, .bank-result-line, .bank-voices { display: none; }
  .bank-hero__body { min-height: 0; padding: 18px 22px; }
  .bank-cast .mascot { width: 58px; height: 58px; }
  .bank-learning-loop { padding: 12px 22px; }
  .bank-grid { grid-template-columns: repeat(4, 1fr); min-height: 0; padding: 18px 22px; }
  .tile-states { display: none; }
  .kanji-tile { break-inside: avoid; }
  .bank-credit { margin-top: 8px; }
}