/* style.css — 全局圍棋 SGF 編輯器 */

:root {
  --bg: #f4f1ea;
  --panel: #ffffff;
  --panel-2: #faf8f4;
  --fg: #23201b;
  --fg-dim: #6d675e;
  --border: #ded7ca;
  --accent: #2d78dc;
  --accent-fg: #ffffff;
  --danger: #c0392b;
  --board-bg: #e3b168;
  --board-line: #4a3417;
  --tree-line: #b0a795;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 6px 20px rgba(0,0,0,.06);
  --radius: 10px;
}

[data-theme="dark"] {
  --bg: #16181c;
  --panel: #1e2127;
  --panel-2: #23262d;
  --fg: #e6e6e6;
  --fg-dim: #9aa0a8;
  --border: #333842;
  --accent: #5b9dff;
  --accent-fg: #0d1117;
  --danger: #e05a4a;
  --board-bg: #c99a5b;
  --board-line: #2e2008;
  --tree-line: #555c68;
  --shadow: 0 1px 3px rgba(0,0,0,.4), 0 6px 22px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }

/* display 屬性會蓋掉 hidden 屬性，這行確保 hidden 一定生效 */
[hidden] { display: none !important; }

html, body {
  height: 100%;
  margin: 0;
}

body {
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.55 "Noto Sans TC", "Microsoft JhengHei", system-ui, -apple-system, sans-serif;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ---------- 頂列 ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 18px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex: 0 0 auto;
}

.brand { display: flex; align-items: center; gap: 11px; }

.logo {
  width: 54px; height: 54px;
  display: grid; place-items: center;
  flex: 0 0 auto;
}
.logo svg { width: 100%; height: 100%; display: block; }

/* 標誌原始尺寸是 180px，縮到標題列會讓線條細到看不見。
   non-scaling-stroke 讓線寬固定為螢幕像素，縮小後依然清楚。 */
.logo svg line,
.logo svg circle { vector-effect: non-scaling-stroke; }
.logo svg line { stroke-width: 2.4; }

.brand h1 { margin: 0; font-size: 17px; letter-spacing: .04em; }
.tagline { margin: 0; font-size: 11.5px; color: var(--fg-dim); }

.file-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- 按鈕 ---------- */
.btn {
  font: inherit;
  padding: 7px 13px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--fg);
  border-radius: 8px;
  cursor: pointer;
  transition: background .13s, border-color .13s, transform .06s;
  white-space: nowrap;
}
.btn:hover { background: var(--bg); border-color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
.btn-primary:hover { filter: brightness(1.08); background: var(--accent); }
.btn-icon { padding: 7px 10px; }
.btn.small { padding: 5px 9px; font-size: 13px; }
.btn.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, var(--border)); }
.btn.danger:hover { background: color-mix(in srgb, var(--danger) 12%, var(--panel)); border-color: var(--danger); }
.btn:disabled { opacity: .4; cursor: not-allowed; }

/* ---------- 版面 ---------- */
.layout {
  flex: 1 1 auto;
  display: grid;
  grid-template-columns: minmax(320px, 1fr) 358px;
  gap: 16px;
  padding: 16px;
  min-height: 0;
}

.board-pane {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
  min-width: 0;
}

.board-wrap {
  flex: 1 1 auto;
  display: grid;
  place-items: center;
  min-height: 0;
  min-width: 0;
}

#board {
  border-radius: 6px;
  box-shadow: var(--shadow);
  cursor: pointer;
  touch-action: manipulation;
}

/* ---------- 狀態列 ---------- */
.status-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex: 0 0 auto;
  font-size: 13.5px;
}

.capture-chip {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--fg-dim);
}
.capture-chip b { color: var(--fg); font-variant-numeric: tabular-nums; }

.dot {
  width: 12px; height: 12px; border-radius: 50%;
  display: inline-block;
}
.dot.black { background: #1a1a1a; border: 1px solid #000; }
.dot.white { background: #f6f6f6; border: 1px solid #999; }

.move-info {
  font-weight: 600;
  padding: 3px 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-variant-numeric: tabular-nums;
}

/* ---------- 進度條 ---------- */
.scrub-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  padding: 0 4px;
}

.scrub-end {
  font-size: 11.5px;
  color: var(--fg-dim);
  font-variant-numeric: tabular-nums;
  min-width: 22px;
  text-align: center;
}

#scrub {
  flex: 1 1 auto;
  min-width: 0;
  appearance: none;
  height: 22px;
  background: transparent;
  cursor: pointer;
  margin: 0;
}

#scrub::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: 999px;
  background: var(--border);
}
#scrub::-moz-range-track {
  height: 6px;
  border-radius: 999px;
  background: var(--border);
}

#scrub::-webkit-slider-thumb {
  appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--panel);
  margin-top: -5px;
  box-shadow: 0 1px 3px rgba(0,0,0,.35);
}
#scrub::-moz-range-thumb {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--panel);
  box-shadow: 0 1px 3px rgba(0,0,0,.35);
}

#scrub:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
#scrub:disabled { opacity: .4; cursor: not-allowed; }

/* ---------- 導航列 ---------- */
.nav-bar {
  display: flex;
  gap: 6px;
  justify-content: center;
  flex-wrap: wrap;
  flex: 0 0 auto;
}
.btn.nav { min-width: 44px; font-size: 14px; }
.btn.nav.wide { min-width: 68px; }
.btn.nav.playing { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }

.edit-bar {
  display: flex;
  gap: 7px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  flex: 0 0 auto;
}
.edit-tip {
  font-size: 12px;
  color: var(--fg-dim);
  margin-left: 4px;
}
@media (max-width: 560px) {
  .edit-tip { display: none; }
}

/* ---------- 側欄 ---------- */
.side {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.tool-group { padding: 12px; border-bottom: 1px solid var(--border); flex: 0 0 auto; }

.group-title {
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--fg-dim);
  margin-bottom: 8px;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 5px;
}

.tool {
  font: inherit;
  font-size: 11px;
  padding: 7px 1px;
  min-height: 46px;
  display: grid;
  place-content: center;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--fg);
  border-radius: 7px;
  cursor: pointer;
  text-align: center;
  line-height: 1.3;
  transition: background .12s, border-color .12s;
}
.tool:hover { border-color: var(--accent); }
.tool.active {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
}

/* ---------- 輪次選擇 ---------- */
.turn-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
}
.turn-label {
  font-size: 12px;
  color: var(--fg-dim);
  margin-right: 2px;
}
.turn-btn {
  font: inherit;
  font-size: 12.5px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 11px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--fg);
  border-radius: 999px;
  cursor: pointer;
}
.turn-btn:hover { border-color: var(--accent); }
.turn-btn.active {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
  font-weight: 600;
}

.hint {
  margin: 9px 0 0;
  font-size: 12px;
  color: var(--fg-dim);
  line-height: 1.5;
}

/* ---------- 分頁 ---------- */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  flex: 0 0 auto;
  background: var(--panel-2);
}

.tab {
  flex: 1;
  font: inherit;
  font-size: 13px;
  padding: 9px 4px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--fg-dim);
  cursor: pointer;
}
.tab:hover { color: var(--fg); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }

.panel {
  display: none;
  flex: 1 1 auto;
  min-height: 0;
  flex-direction: column;
  padding: 12px;
  overflow: auto;
}
.panel.active { display: flex; }

/* ---------- 手順列表 ---------- */
.move-list {
  flex: 1 1 auto;
  min-height: 140px;
  overflow: auto;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(74px, 1fr));
  gap: 4px;
  align-content: start;
}

.move-list .empty {
  grid-column: 1 / -1;
  color: var(--fg-dim);
  font-size: 13px;
  text-align: center;
  padding: 20px 0;
  margin: 0;
}

.move-item {
  font: inherit;
  font-size: 12.5px;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 6px;
  border: 1px solid transparent;
  background: var(--panel);
  color: var(--fg);
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  text-align: left;
}
.move-item:hover { border-color: var(--accent); }
.move-item.current {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
  font-weight: 600;
}

.move-item .mn {
  min-width: 22px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  opacity: .75;
}
.move-item.current .mn { opacity: 1; }

.move-item .mc {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex: 0 0 auto;
  border: 1px solid rgba(0,0,0,.45);
}
.move-item.b .mc { background: #1a1a1a; }
.move-item.w .mc { background: #f4f4f4; }

.move-item .mp { font-variant-numeric: tabular-nums; }

.move-item .mnote {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: #e8622c;
  margin-left: auto;
  flex: 0 0 auto;
}

/* ---------- 匯出圖片對話框 ---------- */
.modal-card.wide { width: min(760px, 100%); }

.export-body {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 18px;
  align-items: start;
  margin-bottom: 16px;
}

.export-preview {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  display: grid;
  place-items: center;
  min-height: 200px;
  overflow: auto;
}
#preview-holder { max-width: 100%; }
#preview-holder canvas { display: block; border-radius: 4px; }

.export-opts { min-width: 0; }
.export-opts label { margin-bottom: 10px; }

/* .modal-card label 是直向排列，勾選框要蓋回橫向 */
.modal-card label.check {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  margin-bottom: 2px;
  color: var(--fg);
  font-size: 13.5px;
}
.modal-card label.check input { flex: 0 0 auto; }

.range-pair {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--fg-dim);
}
.range-pair input { width: 100%; min-width: 0; }

.filename-row {
  display: flex;
  align-items: center;
  gap: 6px;
}
.filename-row input { flex: 1 1 auto; min-width: 0; }
.filename-row .ext {
  font-size: 13px;
  color: var(--fg-dim);
  font-variant-numeric: tabular-nums;
  flex: 0 0 auto;
}

@media (max-width: 700px) {
  .export-body { grid-template-columns: 1fr; }
}

/* ---------- 註解 ---------- */
#comment-box {
  flex: 1 1 auto;
  min-height: 180px;
  resize: none;
  font: inherit;
  font-size: 14px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-2);
  color: var(--fg);
  line-height: 1.6;
}
#comment-box:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

/* ---------- 對局資訊 ---------- */
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
}
.info-grid label {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 12px;
  color: var(--fg-dim);
  min-width: 0; /* grid 項目預設 min-width:auto，會被 input 撐開產生水平捲軸 */
}
.info-grid input {
  font: inherit;
  font-size: 13.5px;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel-2);
  color: var(--fg);
  min-width: 0;
}
.info-grid input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

/* ---------- 顯示選項 ---------- */
.check {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 0; font-size: 14px; cursor: pointer;
}
.check input { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }

.sep { height: 1px; background: var(--border); margin: 10px 0; }

.range { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--fg-dim); }
.range input { width: 100%; accent-color: var(--accent); }
#speed-label { font-variant-numeric: tabular-nums; color: var(--fg); }

.shortcuts dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 5px 14px;
  margin: 0;
  font-size: 12.5px;
}
.shortcuts dt { color: var(--accent); font-weight: 600; white-space: nowrap; }
.shortcuts dd { margin: 0; color: var(--fg-dim); }

/* ---------- 提示訊息 ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  background: var(--fg);
  color: var(--bg);
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 14px;
  box-shadow: var(--shadow);
  z-index: 50;
  animation: pop .18s ease-out;
}
@keyframes pop {
  from { opacity: 0; transform: translateX(-50%) translateY(8px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ---------- 對話框 ---------- */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  display: grid;
  place-items: center;
  z-index: 60;
  padding: 20px;
}
.modal-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  width: min(380px, 100%);
  box-shadow: var(--shadow);
}
.modal-card h2 { margin: 0 0 14px; font-size: 17px; }
.modal-card label {
  display: flex; flex-direction: column; gap: 4px;
  font-size: 12.5px; color: var(--fg-dim); margin-bottom: 11px;
}
.modal-card input, .modal-card select {
  font: inherit; font-size: 14px; padding: 7px 9px;
  border: 1px solid var(--border); border-radius: 6px;
  background: var(--panel-2); color: var(--fg);
}
.warn { font-size: 12px; color: var(--danger); margin: 0 0 14px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; }

/* ---------- 窄螢幕 ---------- */
@media (max-width: 900px) {
  /* 桌面版把版面鎖在一個視窗高度內；窄螢幕改成整頁自然捲動，
     否則 grid 列會被壓縮，內容溢出後會和側欄疊在一起 */
  html, body { height: auto; }
  body { overflow: auto; min-height: 100%; }

  .layout {
    grid-template-columns: 1fr;
    padding: 12px;
    min-height: auto;
  }

  .board-pane { min-height: auto; }
  /* 窄螢幕以寬度決定棋盤大小，但不超過視窗高度的七成 */
  .board-wrap { min-height: min(92vw, 70vh); }

  .side { max-height: none; overflow: visible; }
  .panel { max-height: 460px; }
  .topbar { flex-wrap: wrap; }
}

@media (max-width: 420px) {
  .tool-grid { grid-template-columns: repeat(4, 1fr); }
  .info-grid { grid-template-columns: 1fr; }
}