/* css/core.css —— 共用组件与设计变量（设计 §8.1） */
:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #1c2434;
  --border: #30363d;
  --text: #e6edf3;
  --text-dim: #8b949e;
  --accent: #58a6ff;
  --accent-strong: #79b8ff;
  --highlight: #f85149;
  --success: #3fb950;
  --warning: #d29922;
  /* 派生色（主题可覆盖；自定义强调色由 JS 覆写 --accent/--accent-strong/--accent-contrast） */
  --btn-hover: #2d3748;
  --accent-contrast: #04121f;
  --danger-contrast: #fff;
  --click-bg1: #1c3a5e;
  --click-bg2: #14263e;
  --click-hover1: #234a76;
  --click-hover2: #1a3050;
  --overlay: rgba(0, 0, 0, 0.6);
  /* 星场背景叠加色（默认透明；浅色主题用来淡化星场，保证整体观感） */
  --bg-veil: transparent;
  /* 星场背景色相偏移（由 JS 按宇宙编号设置，用于换皮） */
  --bg-hue: 0deg;
  --font: system-ui, -apple-system, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  --mono: ui-monospace, "Cascadia Code", Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

/* 保证 hidden 生效（否则会被 .modal-body{display:flex} 等规则覆盖） */
[hidden] { display: none !important; }

/* 按钮统一使用像素字体（浏览器默认会给 button 套系统字体） */
button { font-family: var(--font); }

html, body { height: 100%; }

body {
  font-family: var(--font);
  background-color: var(--bg);
  color: var(--text);
  font-size: 12px;
  line-height: 1.5;
  overflow: hidden;
}

/* 星场背景层：独立于内容，便于按宇宙 hue-rotate 换皮（v0.5 / #19） */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--bg-veil), var(--bg-veil)),
    url('../assets/images/starfield-bg.png');
  background-size: cover, cover;
  background-position: center, center;
  background-repeat: no-repeat, no-repeat;
  image-rendering: pixelated;
  filter: hue-rotate(var(--bg-hue, 0deg));
  pointer-events: none;
}

/* 数值一律等宽 + 表格数字对齐 */
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* ---- 按钮 ---- */
.btn {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
  font-size: 12px;
  font-family: var(--font);
  user-select: none;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
  white-space: nowrap;
}
.btn:hover:not(:disabled) { background: var(--btn-hover); border-color: var(--accent); }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: 0.35; cursor: not-allowed; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-contrast); font-weight: 600; }
.btn-primary:hover:not(:disabled) { background: var(--accent-strong); }
.btn-danger { background: var(--highlight); border-color: var(--highlight); color: var(--danger-contrast); }

/* ---- 面板 ---- */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
}
.panel-title {
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

/* ---- 资源行 ---- */
.res-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
}
.res-row:last-child { border-bottom: none; }
.res-name { color: var(--text-dim); flex: 0 0 auto; }
.res-value { font-size: 12px; text-align: end; flex: 1; word-break: break-all; }
.res-rate { font-size: 12px; color: var(--success); text-align: end; flex: 0 0 auto; min-width: 110px; word-break: break-all; }

/* ---- 点击大按钮 ---- */
.click-btn {
  width: 100%;
  padding: 24px 16px;
  font-size: 24px;
  font-weight: 700;
  border-radius: 8px;
  border: 1px solid var(--accent);
  background: linear-gradient(180deg, var(--click-bg1), var(--click-bg2));
  color: var(--text);
  cursor: pointer;
  user-select: none;
  transition: transform 0.05s, background 0.15s;
}
.click-btn:hover { background: linear-gradient(180deg, var(--click-hover1), var(--click-hover2)); }
.click-btn:active { transform: scale(0.98); }

/* ---- 生成器卡片 ---- */
.gen-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  margin-bottom: 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
}
.gen-card:last-child { margin-bottom: 0; }
.gen-info { flex: 1; min-width: 0; }
.gen-name { font-weight: 600; }
.gen-meta { font-size: 12px; color: var(--text-dim); }
.gen-count { font-family: var(--mono); font-size: 12px; margin-inline-start: 4px; color: var(--accent); }
.gen-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.gen-header .panel-title { margin-bottom: 0; }
.gen-btns { display: flex; gap: 6px; flex-shrink: 0; }

/* ---- 第二阶段门控 ---- */
body:not(.phase2) [data-phase="2"] { display: none; }
body:not(.phase3) [data-phase="3"] { display: none; }
body.phase2 .phase-lock.phase2 { display: none; }
body.phase3 .phase-lock.phase3 { display: none; }
.phase-heading {
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 12px 0 6px;
}
.phase-heading:first-child { margin-top: 0; }
.phase-lock {
  padding: 10px 12px;
  margin: 8px 0;
  border: 1px dashed var(--border);
  border-radius: 6px;
  color: var(--text-dim);
  font-size: 12px;
}
.phase-cycle {
  margin: 0 0 8px;
  font-size: 12px;
  color: var(--text-dim);
}
.phase-cycle.ready { color: var(--success); }

/* ---- 技术卡片 ---- */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 12px;
}
.tech-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
}
.tech-card.owned { border-color: var(--success); opacity: 0.65; }
.tech-name { font-weight: 600; }
.tech-desc { font-size: 12px; color: var(--text-dim); flex: 1; }
.tech-cost { font-size: 12px; color: var(--warning); font-family: var(--mono); }
.tech-card .btn { align-self: flex-end; }

/* ---- 进度条 ---- */
.progress {
  height: 10px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--success));
  transition: width 0.3s;
}
.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 4px;
}

/* ---- 记录视图（成就 + 碎片） ---- */
.records-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  align-items: start;
}
@media (max-width: 720px) {
  .records-layout { grid-template-columns: 1fr; }
}
.ach-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
}
.ach-card {
  padding: 10px 12px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  opacity: 0.45;
  transition: opacity 0.3s, border-color 0.3s;
}
.ach-card.owned { opacity: 1; border-color: var(--success); }
.ach-name { font-weight: 600; font-size: 12px; }
.ach-desc { font-size: 12px; color: var(--text-dim); margin-top: 2px; }
.frag-list { display: flex; flex-direction: column; gap: 8px; }
.frag-item {
  padding: 10px 12px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  opacity: 0.45;
  transition: opacity 0.3s, border-color 0.3s;
}
.frag-item.collected { opacity: 1; border-color: var(--accent); }
.frag-title { font-weight: 600; font-size: 12px; }
.frag-text { font-size: 12px; color: var(--text-dim); margin-top: 4px; line-height: 1.6; }

/* ---- 挑战目标 ---- */
.ch-goals { display: flex; flex-direction: column; gap: 4px; margin-top: 4px; }
.ch-goal {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  color: var(--text-dim);
  padding: 3px 6px;
  border-inline-start: 2px solid var(--border);
}
.ch-goal.done { border-inline-start-color: var(--success); color: var(--text); }
.ch-goal-reward { color: var(--warning); white-space: nowrap; }
.ch-goal.done .ch-goal-reward { color: var(--success); }

/* ---- 离线报告 ---- */
.offline-list { display: flex; flex-direction: column; gap: 6px; }
.offline-row { display: flex; justify-content: space-between; gap: 12px; padding: 4px 0; border-bottom: 1px solid var(--border); }
.offline-row:last-child { border-bottom: none; }
.offline-row .num { color: var(--success); }

/* ---- 提示条 ---- */
.toast {
  position: fixed;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%);
  padding: 8px 16px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 12px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  z-index: 10;
}
.toast.show { opacity: 1; }

/* ---- 模态（设置面板） ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal {
  width: min(480px, 92vw);
  max-height: 85vh;
  overflow: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.modal-title { font-size: 24px; font-weight: 700; }
.modal-body { display: flex; flex-direction: column; gap: 12px; }
.modal-section { font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; margin-top: 4px; }
.modal-row { display: flex; gap: 8px; flex-wrap: wrap; }
.modal-text { font-size: 12px; color: var(--text-dim); }

/* ---- 模态 Tab（设置 / 关于 / 版本记录） ---- */
.modal-tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border);
  margin: -4px 0 4px;
}
.modal-tab {
  padding: 6px 12px;
  border: none;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  font-family: var(--font);
  font-size: 12px;
}
.modal-tab:hover { color: var(--text); }
.modal-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

/* ---- 关于：Logo ---- */
.about-logo {
  display: block;
  width: 64px;
  height: 64px;
  margin: 4px auto 0;
  image-rendering: pixelated;
}

/* ---- 版本记录：一行一版本（可上下滚动）+ 底部 UTC / 北京时间双轨时间轴 ---- */
/* 整块随页面方向镜像（RTL 下时间轴右→左）；进度条位置在 JS 用 inset-inline-start 写入。 */
.gantt-host { overflow: auto; max-height: 340px; border: 1px solid var(--border); border-radius: 6px; padding: 8px; }
.gantt-inner { min-width: 720px; display: flex; flex-direction: column; gap: 6px; }
.gantt-rows { display: flex; flex-direction: column; gap: 3px; }
.gantt-row,
.gantt-axis-row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr) minmax(0, 34%);
  gap: 8px;
  align-items: center;
}
.gantt-row { cursor: pointer; }
.gantt-row:hover { background: var(--panel-2); }
.gantt-row.selected { outline: 1px solid var(--accent); border-radius: 4px; }
.gantt-ver {
  text-align: end;
  font-size: 12px;
  color: var(--accent);
  font-family: var(--mono);
}
.gantt-track {
  position: relative;
  height: 16px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 4px;
}
.gantt-bar {
  position: absolute;
  top: 1px;
  height: 12px;
  background: linear-gradient(90deg, var(--accent), var(--success));
  border-radius: 3px;
}
.gantt-bar.unreleased {
  background: repeating-linear-gradient(45deg, var(--accent), var(--accent) 4px, transparent 4px, transparent 8px);
  opacity: 0.5;
}
.gantt-note {
  font-size: 11px;
  color: var(--text-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.gantt-axis { display: flex; flex-direction: column; gap: 1px; margin-top: 2px; }
.gantt-axis-label { text-align: end; font-size: 11px; color: var(--text-dim); }
.gantt-axis-line { display: flex; justify-content: space-between; font-size: 10px; color: var(--text-dim); }
.gantt-tick { white-space: nowrap; }

/* ---- 版本详情 ---- */
.changelog-detail { margin-top: 8px; border-top: 1px solid var(--border); padding-top: 8px; }
.changelog-detail-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.changelog-detail-title { font-size: 14px; font-weight: 700; color: var(--accent); font-family: var(--mono); }
.changelog-detail-body {
  white-space: pre-wrap;
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.7;
  max-height: 260px;
  overflow: auto;
  margin-top: 4px;
}

/* ---- 终局视图 ---- */
.endgame-title {
  font-size: 24px;
  font-weight: 700;
  margin: 8px 0 12px;
  color: var(--accent);
}
.ending-art {
  display: block;
  width: 100%;
  max-width: 384px;
  margin: 4px auto 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  image-rendering: pixelated;
}
.ending-art-placeholder {
  max-width: 384px;
  margin: 4px auto 8px;
  padding: 24px 12px;
  text-align: center;
  border: 1px dashed var(--border);
  border-radius: 4px;
  color: var(--text-dim);
  font-size: 12px;
}

/* ---- RTL（阿拉伯语等）----
   布局镜像主要靠 <html dir="rtl"> + CSS 逻辑属性（text-align: end /
   margin-inline-start / border-inline-start）自动完成。下面只做 bidi 隔离：
   数值/拉丁片段在阿拉伯文段落中作为独立 run 渲染，避免标点与相邻文字换位。 */
/* ---- 小游戏（v0.6）---- */
.mg-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; margin-bottom: 8px; }
.mg-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--panel-2);
}
.mg-card.locked { opacity: 0.5; }
.mg-card-name { font-weight: 700; color: var(--text); }
.mg-card-desc { font-size: 12px; color: var(--text-dim); flex: 1; }
.mg-card-best { font-size: 12px; color: var(--accent); font-family: var(--mono); }

.mg-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 120;
}
.mg-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 92vw;
  max-height: 92vh;
  overflow: auto;
}
.mg-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.mg-title { font-weight: 700; }
.mg-score, .mg-best { font-size: 12px; font-family: var(--mono); color: var(--text-dim); }
.mg-canvas {
  image-rendering: pixelated;
  border: 1px solid var(--border);
  border-radius: 4px;
  width: min(78vw, 320px);
  height: min(78vw, 320px);
  align-self: center;
  touch-action: none;
  cursor: pointer;
}
.mg-hint { font-size: 12px; color: var(--text-dim); max-width: min(78vw, 320px); }
.mg-cfg { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-dim); }
.mg-dur { width: 80px; background: var(--panel-2); color: var(--text); border: 1px solid var(--border); border-radius: 4px; padding: 4px 6px; font-family: var(--mono); }
.mg-pad { display: flex; justify-content: center; align-items: center; gap: 8px; }
.mg-dpad {
  display: grid;
  grid-template-columns: repeat(3, 46px);
  grid-template-rows: repeat(2, 46px);
  gap: 4px;
}
.mg-dir { min-width: 46px; min-height: 46px; padding: 0; }
.mg-flag { min-height: 46px; padding: 8px 18px; }
.mg-dir:nth-child(1) { grid-column: 2; grid-row: 1; }
.mg-dir:nth-child(2) { grid-column: 1; grid-row: 2; }
.mg-dir:nth-child(3) { grid-column: 3; grid-row: 2; }
.mg-dir:nth-child(4) { grid-column: 2; grid-row: 2; }

/* ---- 庞加莱回归事件（v0.6）---- */
.poincare-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: #050a05;
  color: #7bf07b;
  font-family: var(--mono);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 24px;
  text-align: center;
  animation: poincare-in 0.4s steps(2) both;
}
.poincare-overlay.fade { opacity: 0; transition: opacity 1s; }
.poincare-title { font-size: 20px; letter-spacing: 2px; }
.poincare-text { font-size: 13px; max-width: 520px; line-height: 1.7; }
.poincare-hint { font-size: 12px; color: #4f9f4f; }
body.poincare-flash { animation: poincare-flash 0.7s steps(2); }
@keyframes poincare-in { from { opacity: 0; transform: scaleY(0.02); } to { opacity: 1; transform: scaleY(1); } }
@keyframes poincare-flash { 0%, 100% { filter: none; } 25% { filter: invert(1); } 50% { filter: none; } 75% { filter: invert(1); } }
@media (prefers-reduced-motion: reduce) {
  .poincare-overlay { animation: none; }
  body.poincare-flash { animation: none; }
}

/* ---- 彩蛋语录条（v0.6）---- */
.quote-bar {
  height: 22px;
  overflow: hidden;
  border-top: 1px solid var(--border);
  background: var(--panel-2);
  position: relative;
  flex-shrink: 0;
}
.quote-text {
  display: inline-block;
  white-space: nowrap;
  font-size: 12px;
  color: var(--text-dim);
  line-height: 22px;
  padding: 0 8px;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
}
.quote-text.scroll {
  padding-left: 100%;
  max-width: none;
  overflow: visible;
  text-overflow: clip;
  animation: quote-scroll 18s linear infinite;
}
.quote-bar:hover .quote-text.scroll { animation-play-state: paused; }
@keyframes quote-scroll { from { transform: translateX(0); } to { transform: translateX(-100%); } }
@media (prefers-reduced-motion: reduce) {
  .quote-text.scroll { animation: none; }
}
.ach-cat { font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; margin: 8px 0 6px; }

.num,
.mono {
  unicode-bidi: isolate;
}