/* home-v2.css — 三模式整合主頁元件
   依賴：tokens.css → chrome.css → chat.css
   scope：body.home-v2
   不含：桌機版面約束（→ layouts/home-v2.css） */

/* ── LAB 格子 token（mobile-first） ── */
.home-v2 {
  --play-col-gap: 14px;
  --play-row-gap: 12px;
  --play-row-h:   56px;
  --play-grass:   #7CA96A;
}
@media (min-width: 1024px) {
  .home-v2 {
    --play-col-gap: 20px;
    --play-row-gap: 16px;
    --play-row-h:   64px;
  }
}

/* ══════════════════════════════════════
   SWIPE：3-panel 覆蓋 chrome.css 2-panel
   panel 順序：LOG(0) | LOOK(1) | LAB(2)
   ══════════════════════════════════════ */
.home-v2[data-mode="log"]  { --panel-idx: 0; }
.home-v2[data-mode="look"] { --panel-idx: 1; }
.home-v2[data-mode="lab"]  { --panel-idx: 2; }

.home-v2 .swipe-track {
  width: 300%;
  /* !important 覆蓋 chrome.css 的 .at-log .swipe-track { transform: translateX(0) } */
  transform: translateX(calc(var(--panel-idx, 1) * -33.333%)) !important;
}
.home-v2 .swipe-page { width: 33.333%; }

.home-v2 .input-panels {
  width: 300%;
  transform: translateX(calc(var(--panel-idx, 1) * -33.333%)) !important;
}
.home-v2 .input-panel { width: 33.333%; }

/* ══════════════════════════════════════
   MODE-STRIPE：隨模式改色
   ══════════════════════════════════════ */
.home-v2[data-mode="log"]  .mode-stripe { background: var(--signal); }
.home-v2[data-mode="look"] .mode-stripe,
.home-v2[data-mode="lab"]  .mode-stripe { background: var(--teal-ink); }

/* ══════════════════════════════════════
   MODE-TABS（masthead-right 內的模式按鈕）
   ══════════════════════════════════════ */
.home-v2 .mode-label { display: none; }

.mode-tab {
  font-family: var(--logo);
  font-size: var(--k-1);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1;
  text-transform: uppercase;
  background: none;
  border: none;
  color: var(--ink-3);
  cursor: pointer;
  padding: 5px 11px;
  border-radius: var(--r-xs);
  transition: color .2s, background .2s;
  -webkit-tap-highlight-color: transparent;
}
.mode-tab:hover { color: var(--ink-2); }

/* active = 反相色塊，色跟模式（與 mode-stripe 一致） */
.home-v2[data-mode="log"]  .mode-tab.active { background: var(--signal);   color: var(--paper); }
.home-v2[data-mode="look"] .mode-tab.active,
.home-v2[data-mode="lab"]  .mode-tab.active { background: var(--teal-ink); color: var(--paper); }

/* ══════════════════════════════════════
   APP-BTN：深淺切換色塊（右推，尺寸同 send 按鈕）
   深色模式：黑多白少（左 75% 深，右 25% 淺）
   淺色模式：白多黑少（左 75% 淺，右 25% 深）
   ══════════════════════════════════════ */
.home-v2 .app-btn {
  width: 40px; height: 28px; padding: 4px; cursor: pointer; display: flex;
  background: var(--paper-2); border: 1px solid var(--ink-3); border-radius: var(--r-xs);
  transition: border-color .2s;
  flex-shrink: 0; margin-left: auto;
  -webkit-tap-highlight-color: transparent;
}
.home-v2 .app-btn:hover { border-color: var(--signal); }
.home-v2 .app-btn .blk { display: flex; flex: 1; overflow: hidden; border-radius: 1px; }
.home-v2 .app-btn .a { background: var(--sw-d); flex: 0 0 64%; transition: flex-basis .3s; }
.home-v2 .app-btn .b { background: var(--sw-l); flex: 1; transition: flex-basis .3s; }
:root[data-appearance="light"] .home-v2 .app-btn .a { flex: 0 0 36%; }

/* ══════════════════════════════════════
   PHASE-ROW（LAB 草稿進度）
   ══════════════════════════════════════ */
.home-v2 .phase-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 12px;
  flex-shrink: 0;
}
/* hidden 屬性 + display:flex 衝突修正 */
.home-v2 .phase-row[hidden] { display: none !important; }

.home-v2 .phase-label {
  font-family: var(--mono);
  font-size: var(--t--2);
  letter-spacing: 2px;
  color: var(--play-grass);
  white-space: nowrap;
}
.home-v2 .phase-track {
  flex: 1;
  height: 2px;
  background: var(--paper-2);
  position: relative;
  overflow: hidden;
}
.home-v2 .phase-fill {
  position: absolute;
  inset: 0 100% 0 0;
  background: var(--play-grass);
  transition: right .4s;
}
.home-v2 .phase-count {
  font-family: var(--mono);
  font-size: var(--t--2);
  color: var(--ink-3);
  white-space: nowrap;
}

/* ══════════════════════════════════════
   INPUT-LABEL（取代 kb-badge）
   ══════════════════════════════════════ */
.home-v2 .kb-badge { display: none; }

.input-label {
  font-family: var(--logo);
  font-size: var(--k-1);
  font-weight: 800;
  letter-spacing: -.02em;
  text-transform: uppercase;
  flex-shrink: 0;
  align-self: flex-end;
  padding-bottom: 6px;
}
.home-v2 .log-input  .input-label { color: var(--signal); }
.home-v2 .look-input .input-label { color: var(--teal-ink); }
.home-v2 .lab-input  .input-label { color: var(--teal-ink); }

@keyframes caret-blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}
.input-caret {
  font-family: var(--mono);
  font-size: var(--u-0);
  font-weight: 400;
  flex-shrink: 0;
  align-self: flex-end;
  padding-bottom: 6px;
  animation: caret-blink 1s step-end infinite;
  visibility: hidden;
}
.home-v2[data-mode="log"]  .log-input  .input-caret { visibility: visible; color: var(--signal); }
.home-v2[data-mode="look"] .look-input .input-caret { visibility: visible; color: var(--teal-ink); }
.home-v2[data-mode="lab"]  .lab-input  .input-caret { visibility: visible; color: var(--teal-ink); }

/* .kq-submit 顏色由 chrome.css 統一處理（.look-input/.lab-input 覆寫已在 chrome.css 定義）*/

/* lab-input：8px 水平 padding（對齊 play-actions） */
.home-v2 .lab-input {
  border-top: 2px solid var(--teal-ink);
  padding-left: 8px;
  padding-right: 8px;
}

/* ══════════════════════════════════════
   PAGE-LAB：overflow hidden（field 自己滾動）
   手機：play-actions 吸底，不擠壓 swipe-wrap 高度
   ══════════════════════════════════════ */
.home-v2 .page-lab { overflow: hidden; }

/* Mobile LAB：play-actions 和 input-stack 固定在視窗底部
   讓畫布從 logo 下方延伸到底、輸入框浮動在最下層 */
@media (max-width: 1023px) {
  .home-v2[data-mode="lab"] .play-actions {
    position: sticky;
    bottom: 0;
    z-index: 10;
    background: var(--paper);
  }
  .home-v2[data-mode="lab"] .input-stack {
    position: sticky;
    bottom: 0;
    z-index: 11;
    background: var(--paper);
  }
}

/* ══════════════════════════════════════
   LAB FIELD + EVA CARDS
   ══════════════════════════════════════ */
.home-v2 .field {
  position: absolute;
  inset: 12px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: var(--play-row-h);
  column-gap: var(--play-col-gap);
  row-gap: var(--play-row-gap);
  grid-auto-flow: row dense;
  align-content: start;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: none;
}
.home-v2 .field::-webkit-scrollbar { display: none; }

@media (min-width: 1024px) {
  .home-v2 .field { grid-template-columns: repeat(12, 1fr); }
}

@keyframes evaIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}
.home-v2 .eva {
  position: relative;
  min-width: 0;
  background: color-mix(in srgb, var(--ink) 4%, transparent);
  border: 1px solid color-mix(in srgb, var(--ink-3) 30%, transparent);
  animation: evaIn .45s cubic-bezier(.2, .7, .2, 1);
}
.home-v2 .eva svg { display: block; width: 100%; height: 100%; }
.home-v2 .eva.anchor { border-left: 2px solid var(--teal-2); }

/* ══════════════════════════════════════
   PLAY-ACTIONS（整理 / 彙整）
   ══════════════════════════════════════ */
.home-v2 .play-actions {
  display: flex;
  gap: 8px;
  padding: 8px;
  justify-content: flex-end;
  flex-shrink: 0;
}
.home-v2 .play-actions[hidden] { display: none !important; }

.home-v2 .play-btn {
  font-family: var(--mono);
  font-size: var(--t--1);
  letter-spacing: 1px;
  padding: 8px 18px;
  border: 1px solid var(--ink-3);
  background: transparent;
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color .15s, color .15s, background .15s;
}
.home-v2 .play-btn:hover        { border-color: var(--ink-2); color: var(--ink); }
.home-v2 .play-btn:disabled     { opacity: .4; cursor: not-allowed; }
.home-v2 .play-btn--primary     { border-color: var(--signal);   color: var(--signal); }
.home-v2 .play-btn--primary:hover { background: var(--signal);   color: var(--paper); }
.home-v2 .play-btn--tidy        { border-color: var(--teal-ink); color: var(--teal-ink); }
.home-v2 .play-btn--tidy:hover  { background: var(--teal-ink);   color: var(--paper); }

/* ══════════════════════════════════════
   PARA-TRAY / CHIP / PREVIEW
   ══════════════════════════════════════ */
.home-v2 .para-tray {
  position: absolute;
  top: 12px;
  right: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 20;
  pointer-events: none;
}

@keyframes chipIn {
  from { opacity: 0; transform: scale(.3) translateX(20px); }
  to   { opacity: 1; transform: none; }
}
.home-v2 .para-chip {
  font-family: var(--mono);
  font-size: var(--t--2);
  letter-spacing: 1px;
  padding: 5px 14px;
  border: 1px solid var(--teal-ink);
  background: color-mix(in srgb, var(--teal-ink) 12%, transparent);
  color: var(--teal-ink);
  cursor: pointer;
  pointer-events: auto;
  animation: chipIn .3s cubic-bezier(.2, .7, .2, 1) both;
}
.home-v2 .para-chip:hover {
  background: color-mix(in srgb, var(--teal-ink) 25%, transparent);
}

.home-v2 .para-preview {
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  z-index: 30;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 12px;
}
.home-v2 .para-preview[hidden] { display: none !important; }

.home-v2 .para-preview-card {
  background: var(--paper-2);
  border: 1px solid color-mix(in srgb, var(--ink-3) 30%, transparent);
  border-top: 2px solid var(--teal-ink);
  padding: 16px 20px;
  max-width: 360px;
  width: 100%;
}
.home-v2 .para-preview-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.home-v2 .para-preview-num {
  font-family: var(--mono);
  font-size: var(--t--2);
  letter-spacing: 2px;
  color: var(--teal-ink);
}
.home-v2 .para-preview-close {
  font-family: var(--mono);
  font-size: var(--u-0);
  background: transparent;
  border: none;
  color: var(--ink-3);
  cursor: pointer;
  line-height: 1;
  padding: 0 4px;
}
.home-v2 .para-preview-close:hover { color: var(--ink); }
.home-v2 .para-preview-body {
  font-family: var(--sans);
  font-size: var(--u-0);
  line-height: var(--lh-u);
  color: var(--ink-2);
  white-space: pre-wrap;
  margin: 0;
}