/* ==========================================================================
   Altbrücken · 西式小镇模型 —— 界面样式
   ========================================================================== */
:root {
  --ink: #f4ecdc;
  --ink-dim: #c9bfa8;
  --gold: #e9c46a;
  --panel: rgba(22, 21, 26, 0.72);
  --panel-solid: rgba(18, 17, 22, 0.92);
  --line: rgba(233, 196, 106, 0.28);
  --serif: 'Georgia', 'Times New Roman', 'Songti SC', serif;
  --sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  background: #0a0c14;
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

#scene {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

body.hide-ui #hud,
body.hide-ui #panel,
body.hide-ui #dock,
body.hide-ui #minimap,
body.hide-ui #hint,
body.hide-ui #detail {
  opacity: 0;
  pointer-events: none;
}

#hud,
#panel,
#dock,
#minimap,
#hint,
#detail {
  transition: opacity 0.35s ease;
}

/* ------------------------------- 标题 ---------------------------------- */
#hud {
  position: fixed;
  top: 18px;
  left: 20px;
  z-index: 5;
  pointer-events: none;
}

#hud h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: 30px;
  letter-spacing: 0.22em;
  font-weight: 700;
  color: var(--ink);
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.85), 0 0 2px rgba(0, 0, 0, 0.9);
}

#hud h1::after {
  content: '';
  display: block;
  width: 100%;
  height: 2px;
  margin-top: 6px;
  background: linear-gradient(90deg, var(--gold), rgba(233, 196, 106, 0));
}

#hud .sub {
  margin: 7px 0 0;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--ink-dim);
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.9);
}

#stats {
  display: flex;
  gap: 12px;
  margin-top: 10px;
  font-size: 11.5px;
  color: var(--ink-dim);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.9);
}

#stats b {
  color: var(--gold);
  font-weight: 600;
}

/* ----------------------------- 片区导览 -------------------------------- */
#panel {
  position: fixed;
  top: 132px;
  left: 20px;
  z-index: 6;
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 232px;
}

.card {
  --accent: var(--gold);
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-left: 3px solid var(--accent);
  border-radius: 7px;
  background: var(--panel);
  backdrop-filter: blur(9px);
  color: var(--ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: transform 0.16s ease, background 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateX(5px);
  background: rgba(46, 42, 38, 0.88);
  border-color: var(--accent);
}

.card.active {
  background: rgba(74, 62, 44, 0.92);
  box-shadow: 0 0 0 1px var(--accent) inset, 0 6px 24px rgba(0, 0, 0, 0.45);
}

.card-key {
  width: 17px;
  height: 17px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
  font-size: 10.5px;
  color: var(--ink-dim);
}

.card-icon {
  font-size: 16px;
  line-height: 1;
}

.card-main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.card-name {
  font-size: 13.5px;
  letter-spacing: 0.05em;
}

.card-en {
  font-family: var(--serif);
  font-style: italic;
  font-size: 10.5px;
  color: var(--ink-dim);
}

/* ----------------------------- 详情浮层 -------------------------------- */
#detail {
  position: fixed;
  top: 132px;
  left: 266px;
  z-index: 6;
  width: 268px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--panel-solid);
  backdrop-filter: blur(10px);
  opacity: 0;
  transform: translateX(-8px);
  pointer-events: none;
  transition: opacity 0.24s ease, transform 0.24s ease;
}

#detail.show {
  opacity: 1;
  transform: none;
}

#detail h2 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 15px;
  color: var(--gold);
  letter-spacing: 0.04em;
}

#detail p {
  margin: 0 0 10px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--ink);
}

#detail ul {
  margin: 0;
  padding-left: 16px;
  font-size: 12px;
  line-height: 1.85;
  color: var(--ink-dim);
}

#detail li::marker {
  color: var(--gold);
}

/* ------------------------------ 控制台 --------------------------------- */
#dock {
  position: fixed;
  left: 20px;
  bottom: 62px;
  z-index: 6;
  width: 320px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--panel-solid);
  backdrop-filter: blur(10px);
  font-size: 12px;
}

#dock .row {
  display: flex;
  align-items: center;
  gap: 8px;
}

#dock .row + .row {
  margin-top: 9px;
}

#dock .row.wrap {
  flex-wrap: wrap;
  gap: 6px 12px;
}

#dock .lbl {
  color: var(--ink-dim);
  letter-spacing: 0.08em;
}

#dock .val {
  font-family: var(--serif);
  color: var(--gold);
  min-width: 42px;
  text-align: right;
}

#dock input[type='range'] {
  flex: 1;
  accent-color: var(--gold);
  height: 3px;
}

#dock select {
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 5px;
  padding: 2px 4px;
  font: inherit;
}

.chk {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--ink-dim);
  cursor: pointer;
}

.chk input {
  accent-color: var(--gold);
}

#dock .btns {
  gap: 6px;
}

#dock button {
  flex: 1;
  padding: 6px 4px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink);
  font: inherit;
  font-size: 11.5px;
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease;
}

#dock button:hover {
  background: rgba(233, 196, 106, 0.18);
  border-color: var(--gold);
}

#dock button.on {
  background: rgba(233, 196, 106, 0.3);
  border-color: var(--gold);
  color: #fff8e6;
}

/* ------------------------------ 小地图 --------------------------------- */
#minimap {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 6;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--panel-solid);
  backdrop-filter: blur(10px);
}

#minimap-canvas {
  display: block;
  width: 250px;
  height: 250px;
  border-radius: 5px;
}

.mm-cap {
  margin-top: 6px;
  text-align: center;
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--ink-dim);
}

/* ------------------------------- 提示 ---------------------------------- */
#hint {
  position: fixed;
  left: 20px;
  bottom: 18px;
  z-index: 5;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  max-width: 330px;
  font-size: 11px;
  color: var(--ink-dim);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.9);
}

kbd {
  display: inline-block;
  padding: 1px 5px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-bottom-width: 2px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  font-family: var(--sans);
  font-size: 10px;
  color: var(--ink);
}

/* ------------------------------ 加载遮罩 ------------------------------- */
#loading {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 50% 40%, #1c1a24 0%, #08090f 70%);
  transition: opacity 0.7s ease;
}

#loading.done {
  opacity: 0;
  pointer-events: none;
}

#loading.error .l-track {
  display: none;
}

.l-inner {
  text-align: center;
  width: min(420px, 82vw);
}

.l-crest {
  font-size: 40px;
  color: var(--gold);
  margin-bottom: 6px;
}

.l-inner h2 {
  margin: 0 0 14px;
  font-family: var(--serif);
  font-size: 26px;
  letter-spacing: 0.32em;
  color: var(--ink);
}

.l-inner p {
  margin: 0 0 16px;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--ink-dim);
  min-height: 34px;
}

.l-inner code {
  color: #ff9c8a;
  font-size: 12px;
}

.l-track {
  height: 3px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

#loading-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #b98d33, var(--gold));
  transition: width 0.3s ease;
}

/* ------------------------------ 小屏适配 ------------------------------- */
@media (max-width: 1180px) {
  #detail {
    display: none;
  }
}

@media (max-width: 900px) {
  #panel {
    display: none;
  }
  #dock {
    width: calc(100vw - 40px);
    max-width: 340px;
  }
  #minimap-canvas {
    width: 160px;
    height: 160px;
  }
  #hint {
    max-width: 200px;
  }
}