/* ============================================================
 * Yilan Cadastral Layer Console
 * Aesthetic: civic cartographic — survey-desk paper, hairline
 * rules, monospaced bilingual labels, terracotta seal CTA.
 * Tokens lifted from backend/templates/report_screen.html so
 * the three pages (console / field / report) read as one system.
 * ============================================================ */

:root {
  /* ink scale */
  --ink-deep:   #0f1a15;
  --ink-mid:    #1f2a24;
  --ink-soft:   #3d4a40;

  /* organic accents */
  --moss:       #4a7a54;
  --moss-soft:  #5b7a6e;
  --moss-tint:  #8a9a8b;
  --terracotta: #a8614a;
  --terracotta-deep: #834935;
  --ochre:      #a89068;
  --cream:      #c9b38a;

  /* paper scale */
  --bone:       #d8d4c8;
  --paper:      #ebe6d8;
  --paper-warm: #dfd9c9;
  --paper-edge: #f4f1ea;
  --ivory:      #fafaf7;

  /* fields */
  --rule:       color-mix(in srgb, var(--ink-deep) 16%, transparent);
  --rule-soft:  color-mix(in srgb, var(--ink-deep) 8%, transparent);
  --grid-dot:   color-mix(in srgb, var(--ink-deep) 5%, transparent);
  --shadow-stamp: 4px 4px 0 var(--terracotta-deep);

  /* type */
  --font-display: "Noto Serif TC", "Fraunces", "Songti TC", "PingFang TC", serif;
  --font-display-en: "Fraunces", "Noto Serif TC", serif;
  --font-body:    "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--ink-deep);
  background: var(--paper-edge);
  background-image:
    radial-gradient(var(--grid-dot) 1px, transparent 1px);
  background-size: 22px 22px;
  background-position: -1px -1px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* hairline horizontal noise band reinforcing paper feel */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, transparent 0, transparent 92%,
      color-mix(in srgb, var(--ink-deep) 4%, transparent) 100%);
  z-index: 1;
}

/* ---------- page frame ---------- */
.page {
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
  padding: 56px 56px 80px;
  z-index: 2;
}

/* register marks at the four corners — cartographic detail */
.register {
  position: fixed;
  width: 28px;
  height: 28px;
  pointer-events: none;
  z-index: 3;
  color: var(--ink-deep);
  opacity: 0.55;
}
.register::before, .register::after {
  content: "";
  position: absolute;
  background: currentColor;
}
.register::before { width: 1px; height: 100%; left: 50%; top: 0; }
.register::after  { width: 100%; height: 1px; left: 0;  top: 50%; }
.register--tl { top: 14px;    left: 14px;    }
.register--tr { top: 14px;    right: 14px;   }
.register--bl { bottom: 14px; left: 14px;    }
.register--br { bottom: 14px; right: 14px;   }

/* ---------- masthead ---------- */
.masthead { margin-bottom: 56px; }

.masthead__row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 36px;
}
.masthead__seal {
  color: var(--ink-deep);
  flex-shrink: 0;
  display: block;
}

/* nav */
.view-toggle {
  display: flex;
  gap: 0;
  border: 1px solid var(--rule);
  background: var(--ivory);
}
.toggle-btn {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 18px;
  text-decoration: none;
  color: var(--ink-soft);
  font-family: var(--font-body);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  border-right: 1px solid var(--rule);
  transition: background 0.18s ease, color 0.18s ease;
}
.toggle-btn:last-child { border-right: 0; }
.toggle-btn:hover { background: var(--paper); color: var(--ink-deep); }
.toggle-btn.is-active {
  background: var(--ink-deep);
  color: var(--ivory);
}
.toggle-btn__num {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  opacity: 0.75;
}

/* hero */
.hero { display: flex; flex-direction: column; gap: 28px; }
.hero__lower {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 48px;
  align-items: end;
  padding-top: 12px;
}
.hero__supra {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--moss);
  margin: 0 0 18px;
  text-transform: uppercase;
}
.hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 5.6vw, 78px);
  line-height: 1.04;
  letter-spacing: -0.014em;
  margin: 0;
  color: var(--ink-deep);
  /* Chinese can break anywhere by default; force a single visual line on
     wide screens by forbidding internal break, then allow wrap on small. */
  white-space: nowrap;
}
@media (max-width: 900px) {
  .hero__title { white-space: normal; }
}
.hero__title-zh { display: block; }
.hero__title-en {
  display: block;
  font-family: var(--font-display-en);
  font-weight: 300;
  font-size: 0.42em;
  letter-spacing: 0.04em;
  color: var(--moss);
  margin-top: 14px;
  text-transform: lowercase;
}
.hero__title-en em {
  font-style: italic;
  font-variation-settings: "SOFT" 100;
  color: var(--terracotta);
}
.hero__sub {
  max-width: 56ch;
  margin: 0 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-mid);
}

/* hero datum stamp */
.hero__datum {
  margin: 0;
  padding: 18px 22px;
  background: var(--ivory);
  border: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 22px;
  align-self: start;
  position: relative;
}
.hero__datum::before {
  content: "DATUM SHEET · 圖籍標記";
  position: absolute;
  top: -10px; left: 18px;
  background: var(--paper-edge);
  padding: 0 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--moss);
}
.hero__datum > div { display: flex; flex-direction: column; gap: 2px; }
.hero__datum dt {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
  margin: 0;
}
.hero__datum dd {
  font-family: var(--font-display);
  font-size: 14px;
  margin: 0;
  color: var(--ink-deep);
}

/* ---------- request form ---------- */
.console {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.request {
  background: var(--ivory);
  border: 1px solid var(--rule);
  padding: 36px 44px 40px;
  position: relative;
}
.request::before {
  content: "";
  position: absolute;
  top: 14px; left: 14px; right: 14px; bottom: 14px;
  border: 1px solid var(--rule-soft);
  pointer-events: none;
}
.request__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}
.request__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--terracotta);
  text-transform: uppercase;
}
.request__zh {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink-deep);
}
.request__rule {
  flex: 1;
  height: 1px;
  background: var(--rule);
}
.request__form {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px 32px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
  padding-top: 6px;
}
.field--lot { grid-column: span 2; }
.field__num {
  position: absolute;
  top: -4px;
  right: 0;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--bone);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}
.field__label {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 4px;
}
.field__en {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--moss);
  text-transform: uppercase;
}
.field__zh {
  font-family: var(--font-display);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-deep);
}
.field__control {
  position: relative;
  border-bottom: 1.5px solid var(--ink-deep);
}
.field__control--locked { opacity: 0.6; }
.field__pin {
  position: absolute;
  top: 6px;
  right: 0;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--moss);
  pointer-events: none;
}
.field__control select,
.field__control input {
  width: 100%;
  border: 0;
  background: transparent;
  padding: 8px 0 10px;
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--ink-deep);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  border-radius: 0;
}
.field__control select {
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-soft) 50%),
                    linear-gradient(135deg, var(--ink-soft) 50%, transparent 50%);
  background-position: calc(100% - 12px) 18px, calc(100% - 6px) 18px;
  background-size: 6px 6px;
  background-repeat: no-repeat;
  padding-right: 24px;
}
.field__control input::placeholder { color: var(--moss-tint); font-family: var(--font-mono); letter-spacing: 0.04em; }
.field__control:focus-within { border-bottom-color: var(--terracotta); }

/* lot input split */
.field__control--lot { display: flex; align-items: baseline; gap: 12px; }
.field__control--lot input { flex: 1; min-width: 0; text-align: center; font-family: var(--font-mono); letter-spacing: 0.06em; }
.field__sep {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--moss);
  user-select: none;
}

/* action area */
.request__action {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 28px;
  padding-top: 20px;
  border-top: 1px dashed var(--rule);
  margin-top: 6px;
}
.request__hint {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  flex: 1;
  line-height: 1.55;
}

/* stamp button */
.stamp-btn {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 16px 32px;
  background: var(--terracotta);
  color: var(--ivory);
  border: 1.5px solid var(--terracotta-deep);
  cursor: pointer;
  font-family: var(--font-display);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
  box-shadow: var(--shadow-stamp);
}
.stamp-btn__zh {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.4em;
  padding-left: 0.4em;
}
.stamp-btn__en {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.24em;
  opacity: 0.85;
}
.stamp-btn:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--terracotta-deep);
}
.stamp-btn:active {
  transform: translate(4px, 4px);
  box-shadow: 0 0 0 var(--terracotta-deep);
}

/* ---------- status panels ---------- */
.status { padding: 22px 28px; border: 1px solid var(--rule); background: var(--ivory); position: relative; }

.hidden { display: none !important; }

.status--loading {
  display: flex;
  align-items: center;
  gap: 18px;
  font-family: var(--font-mono);
  letter-spacing: 0.24em;
  color: var(--moss);
  font-size: 12.5px;
}
.status__dots { display: inline-flex; gap: 6px; }
.status__dots span {
  width: 7px; height: 7px;
  background: var(--moss);
  border-radius: 50%;
  animation: dots 1.1s ease-in-out infinite;
}
.status__dots span:nth-child(2) { animation-delay: 0.18s; }
.status__dots span:nth-child(3) { animation-delay: 0.36s; }
@keyframes dots {
  0%, 80%, 100% { opacity: 0.25; transform: translateY(0); }
  40%           { opacity: 1;   transform: translateY(-4px); }
}

.status--error {
  border-color: var(--terracotta);
  border-left-width: 4px;
  background: color-mix(in srgb, var(--terracotta) 8%, var(--ivory));
  color: var(--terracotta-deep);
  font-weight: 500;
  font-size: 14px;
}
.status--error::before {
  content: "ERROR · 錯誤";
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.24em;
  color: var(--terracotta);
  margin-bottom: 6px;
}

/* success */
.status--success { padding: 28px 32px; }
.success__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}
.success__seal {
  display: inline-block;
  padding: 6px 12px;
  background: var(--moss);
  color: var(--ivory);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.18em;
}
.success__title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--moss);
}
.success__msg {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--ink-deep);
}
.success__hint {
  margin: 8px 0;
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.7;
  padding: 10px 14px;
  background: color-mix(in srgb, var(--cream) 28%, var(--ivory));
  border-left: 2px solid var(--ochre);
}
.success__link { margin: 14px 0 8px; }
.success__link a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  text-decoration: none;
  background: var(--ink-deep);
  color: var(--ivory);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.18em;
  transition: transform 0.12s ease, background 0.12s ease;
}
.success__link a:hover {
  background: var(--moss);
  transform: translate(2px, -2px);
}
.success__arrow { font-size: 16px; }
.success__foot {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-soft);
}

/* ---------- marginalia (visible on wide screens) ---------- */
.marginalia {
  position: fixed;
  bottom: 36px;
  right: 36px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--moss);
  z-index: 2;
  text-transform: uppercase;
}
.marginalia__line { margin: 0; }
@media (max-width: 1100px) {
  .marginalia { display: none; }
}

/* ---------- colophon footer ---------- */
.colophon { margin-top: 64px; }
.colophon__rule {
  height: 1px;
  background: var(--rule);
  margin-bottom: 22px;
  position: relative;
}
.colophon__rule::before, .colophon__rule::after {
  content: "";
  position: absolute;
  top: -3px;
  width: 7px;
  height: 7px;
  background: var(--paper-edge);
  border: 1px solid var(--ink-deep);
  border-radius: 50%;
}
.colophon__rule::before { left: 0; }
.colophon__rule::after  { right: 0; }
.colophon__grid {
  display: grid;
  grid-template-columns: 1.4fr 1.6fr 1fr;
  gap: 32px;
  font-size: 12.5px;
  color: var(--ink-soft);
  line-height: 1.7;
}
.colophon__grid p { margin: 0; }
.colophon__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--moss);
  margin-bottom: 4px !important;
  text-transform: uppercase;
}
.colophon .mono { font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-mid); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .page { padding: 32px 24px 56px; }
  .hero__lower { grid-template-columns: 1fr; gap: 28px; }
  .hero__datum { width: 100%; }
  .request { padding: 26px 24px 32px; }
  .request__form { grid-template-columns: 1fr 1fr; gap: 22px; }
  .field--lot { grid-column: span 2; }
  .request__action { flex-direction: column; align-items: stretch; gap: 16px; }
  .colophon__grid { grid-template-columns: 1fr; gap: 22px; }
}
@media (max-width: 540px) {
  .request__form { grid-template-columns: 1fr; }
  .field--lot { grid-column: span 1; }
  .masthead__row { flex-direction: column; gap: 18px; align-items: flex-start; }
}