/* kx-feedback widget 樣式（獨立無依賴）
 * 主題：各站可在自己的 CSS 設 --kxfb-primary 等變數覆寫（見檔內 fallback 處），
 * 未設定時退回原站同名變數（--pine 等），再退回內建預設。
 */
.kxfb-launcher {
  position: fixed; right: 20px; bottom: 20px; z-index: 60;
  display: inline-flex; align-items: center; gap: 9px;
  height: 48px; padding: 0 20px;
  border-radius: 999px;
  /* --pine 配白字僅 4.46:1 未達 AA，優先退回 --pine-btn（4.64）；
     兩者視覺幾乎無差別，且不動品牌色本身。 */
  background: var(--kxfb-primary, var(--pine-btn, var(--pine, oklch(0.45 0.062 170)))); color: #fff;
  border: none; cursor: pointer;
  font-family: var(--kxfb-font, var(--font-sans, 'Noto Sans TC', -apple-system, 'Segoe UI', 'Microsoft JhengHei', sans-serif)); font-size: 14px; font-weight: 700;
  box-shadow: 0 6px 20px oklch(0.25 0.05 170 / 0.35);
  transition: background 0.15s ease, transform 0.15s ease;
}
.kxfb-launcher:hover { background: var(--kxfb-primary-deep, var(--pine-deep, oklch(0.32 0.055 172))); transform: translateY(-2px); }
.kxfb-launcher svg { width: 18px; height: 18px; }
@media (max-width: 480px) { .kxfb-launcher { right: 14px; bottom: 14px; padding: 0 16px; } }

.kxfb-overlay {
  position: fixed; inset: 0; z-index: 70;
  background: oklch(0.2 0.03 170 / 0.45);
  display: none; align-items: center; justify-content: center;
  padding: 20px;
}
.kxfb-overlay.open { display: flex; }
.kxfb-modal {
  width: min(520px, 100%);
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  background: var(--kxfb-paper, var(--paper, #ffffff));
  border-radius: var(--kxfb-radius-lg, var(--radius-lg, 14px));
  border: 1px solid var(--kxfb-line, var(--line, oklch(0.90 0.012 162)));
  box-shadow: var(--kxfb-shadow-lift, var(--shadow-lift, 0 2px 4px oklch(0.25 0.03 170 / 0.08), 0 14px 36px oklch(0.25 0.03 170 / 0.12)));
  padding: 26px 26px 24px;
}
.kxfb-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 6px; }
.kxfb-head h2 { font-family: var(--kxfb-font-serif, var(--font-serif, 'Noto Serif TC', 'Songti TC', serif)); font-size: 19px; font-weight: 900; color: var(--kxfb-ink, var(--ink, oklch(0.24 0.028 172))); margin: 0; }
.kxfb-close {
  width: 34px; height: 34px; flex: none;
  border: 1px solid var(--kxfb-line, var(--line, oklch(0.90 0.012 162))); border-radius: 9px;
  background: var(--kxfb-wash, var(--wash, oklch(0.972 0.006 150))); color: var(--kxfb-muted, var(--muted, oklch(0.52 0.022 165))); cursor: pointer;
  font-size: 16px; line-height: 1;
}
.kxfb-close:hover { color: var(--kxfb-ink, var(--ink, oklch(0.24 0.028 172))); border-color: var(--kxfb-muted, var(--muted, oklch(0.52 0.022 165))); }
.kxfb-modal .kxfb-sub { font-size: 12.5px; color: var(--kxfb-muted, var(--muted, oklch(0.52 0.022 165))); margin: 0 0 16px; }
.kxfb-field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 12px; }
.kxfb-field label { font-size: 13px; font-weight: 700; color: var(--kxfb-ink, var(--ink, oklch(0.24 0.028 172))); }
.kxfb-field label small { font-weight: 400; color: var(--kxfb-muted, var(--muted, oklch(0.52 0.022 165))); }
.kxfb-field input, .kxfb-field select, .kxfb-field textarea {
  font-family: var(--kxfb-font, var(--font-sans, 'Noto Sans TC', -apple-system, 'Segoe UI', 'Microsoft JhengHei', sans-serif)); font-size: 14px; color: var(--kxfb-text, var(--text, oklch(0.30 0.02 168)));
  background: var(--kxfb-wash, var(--wash, oklch(0.972 0.006 150))); border: 1px solid var(--kxfb-line, var(--line, oklch(0.90 0.012 162))); border-radius: 8px;
  padding: 10px 12px;
}
.kxfb-field input:focus, .kxfb-field select:focus, .kxfb-field textarea:focus { outline: none; border-color: var(--kxfb-primary, var(--pine, oklch(0.45 0.062 170))); background: #fff; }
.kxfb-field textarea { min-height: 110px; resize: vertical; }
.kxfb-page-note {
  font-size: 12px; color: var(--kxfb-muted, var(--muted, oklch(0.52 0.022 165)));
  background: var(--kxfb-primary-soft, var(--pine-soft, oklch(0.945 0.018 165))); border-radius: 7px; padding: 7px 11px;
  word-break: break-all;
}
.kxfb-hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.kxfb-actions { display: flex; gap: 10px; margin-top: 4px; }
.kxfb-msg { font-size: 13px; margin: 10px 0 0; display: none; }
.kxfb-msg.ok { display: block; color: var(--kxfb-primary-deep, var(--pine-deep, oklch(0.32 0.055 172))); background: var(--kxfb-primary-soft, var(--pine-soft, oklch(0.945 0.018 165))); border-radius: 7px; padding: 9px 12px; }
.kxfb-msg.err { display: block; color: oklch(0.45 0.13 40); background: oklch(0.95 0.03 40); border-radius: 7px; padding: 9px 12px; }

/* ---- AI 留言反映：對話介面 ---- */
.kxfb-ai-badge {
  display: inline-block; vertical-align: 4px; margin-left: 6px;
  padding: 2px 9px; border-radius: 999px;
  background: var(--kxfb-accent-soft, var(--gold-soft, oklch(0.965 0.03 92))); color: var(--kxfb-accent, var(--gold-deep, oklch(0.50 0.09 80)));
  font-family: var(--kxfb-font, var(--font-sans, 'Noto Sans TC', -apple-system, 'Segoe UI', 'Microsoft JhengHei', sans-serif)); font-size: 10.5px; font-weight: 700; letter-spacing: 0.08em;
}
.kxfb-chat-modal { width: min(560px, 100%); display: flex; flex-direction: column; padding: 24px 22px 18px; }
.kxfb-chat {
  flex: 1; min-height: 240px; max-height: 46vh;
  overflow-y: auto; padding: 4px 2px 10px;
  display: flex; flex-direction: column; gap: 10px;
  background: var(--kxfb-wash, var(--wash, oklch(0.972 0.006 150)));
  border: 1px solid var(--kxfb-line-soft, var(--line-soft, oklch(0.935 0.01 160)));
  border-radius: 10px;
  padding: 14px 12px;
}
.kxfb-bubble { max-width: 86%; display: flex; flex-direction: column; gap: 3px; }
.kxfb-bubble.kxfb-ai { align-self: flex-start; }
.kxfb-bubble.kxfb-me { align-self: flex-end; }
.kxfb-bubble-text {
  padding: 10px 13px; border-radius: 13px;
  font-size: 13.5px; line-height: 1.65; white-space: pre-wrap; word-break: break-word;
}
.kxfb-ai .kxfb-bubble-text { background: #fff; border: 1px solid var(--kxfb-line, var(--line, oklch(0.90 0.012 162))); border-top-left-radius: 4px; color: var(--kxfb-text, var(--text, oklch(0.30 0.02 168))); }
.kxfb-me .kxfb-bubble-text { background: var(--kxfb-primary, var(--pine, oklch(0.45 0.062 170))); color: #fff; border-top-right-radius: 4px; }
.kxfb-bubble-time { font-size: 10.5px; color: var(--kxfb-muted, var(--muted, oklch(0.52 0.022 165))); padding: 0 4px; }
.kxfb-typing { color: var(--kxfb-muted, var(--muted, oklch(0.52 0.022 165))); font-size: 12.5px; padding: 8px 12px; }
.kxfb-inputbar { display: flex; gap: 8px; margin-top: 12px; align-items: flex-end; }
.kxfb-inputbar textarea {
  flex: 1; resize: none;
  font-family: var(--kxfb-font, var(--font-sans, 'Noto Sans TC', -apple-system, 'Segoe UI', 'Microsoft JhengHei', sans-serif)); font-size: 13.5px; color: var(--kxfb-text, var(--text, oklch(0.30 0.02 168)));
  background: var(--kxfb-wash, var(--wash, oklch(0.972 0.006 150))); border: 1px solid var(--kxfb-line, var(--line, oklch(0.90 0.012 162))); border-radius: 9px;
  padding: 10px 12px; min-height: 42px; max-height: 120px; line-height: 1.5;
}
.kxfb-inputbar textarea:focus { outline: none; border-color: var(--kxfb-primary, var(--pine, oklch(0.45 0.062 170))); background: #fff; }
.kxfb-inputbar .btn { min-height: 42px; padding: 0 18px; font-size: 13.5px; flex: none; }
.kxfb-footbar { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 10px; flex-wrap: wrap; }
.kxfb-footbar-left { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.kxfb-footbar-right { display: flex; align-items: center; gap: 8px; }
.kxfb-turns { font-size: 11.5px; color: var(--kxfb-muted, var(--muted, oklch(0.52 0.022 165))); }
.kxfb-enter-mode {
  border: 1px solid var(--kxfb-line, var(--line, oklch(0.90 0.012 162))); border-radius: 999px;
  background: var(--kxfb-wash, var(--wash, oklch(0.972 0.006 150))); color: var(--kxfb-muted, var(--muted, oklch(0.52 0.022 165)));
  font-family: var(--kxfb-font, var(--font-sans, 'Noto Sans TC', -apple-system, 'Segoe UI', 'Microsoft JhengHei', sans-serif));
  font-size: 11.5px; padding: 4px 11px; cursor: pointer; line-height: 1.4;
}
.kxfb-enter-mode:hover { color: var(--kxfb-primary-deep, var(--pine-deep, oklch(0.32 0.055 172))); border-color: var(--kxfb-primary, var(--pine, oklch(0.45 0.062 170))); }
@media (max-width: 480px) {
  .kxfb-chat-modal { padding: 18px 14px 14px; }
  .kxfb-bubble { max-width: 92%; }
  .kxfb-footbar-right { flex-wrap: wrap; }
}

/* ---- AI 留言反映：圖片附加 ---- */
.kxfb-attach {
  flex: none; width: 42px; height: 42px;
  border: 1px solid var(--kxfb-line, var(--line, oklch(0.90 0.012 162))); border-radius: 9px;
  background: var(--kxfb-wash, var(--wash, oklch(0.972 0.006 150))); color: var(--kxfb-muted, var(--muted, oklch(0.52 0.022 165))); cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
}
.kxfb-attach:hover { color: var(--kxfb-primary-deep, var(--pine-deep, oklch(0.32 0.055 172))); border-color: var(--kxfb-primary, var(--pine, oklch(0.45 0.062 170))); }
.kxfb-attach svg { width: 18px; height: 18px; }
.kxfb-attach-preview {
  display: flex; flex-direction: column; align-items: stretch; gap: 6px;
  margin-top: 10px; padding: 8px 10px;
  background: var(--kxfb-primary-soft, var(--pine-soft, oklch(0.945 0.018 165))); border: 1px solid oklch(0.88 0.025 168);
  border-radius: 9px; font-size: 12.5px; color: var(--kxfb-primary-deep, var(--pine-deep, oklch(0.32 0.055 172)));
}
.kxfb-attach-row { display: flex; align-items: center; gap: 10px; min-width: 0; }
.kxfb-attach-row img {
  flex: none; width: 44px; height: 44px; object-fit: cover;
  border-radius: 7px; border: 1px solid var(--kxfb-line, var(--line, oklch(0.90 0.012 162)));
}
.kxfb-attach-ico {
  flex: none; width: 44px; height: 44px;
  display: inline-flex; align-items: center; justify-content: center; font-size: 20px;
  background: #fff; border: 1px solid var(--kxfb-line, var(--line, oklch(0.90 0.012 162))); border-radius: 7px;
}
.kxfb-attach-name { flex: 1; word-break: break-all; }
.kxfb-attach-row button {
  flex: none; width: 26px; height: 26px; border-radius: 7px;
  border: 1px solid var(--kxfb-line, var(--line, oklch(0.90 0.012 162))); background: #fff; color: var(--kxfb-muted, var(--muted, oklch(0.52 0.022 165))); cursor: pointer;
}
.kxfb-attach-row button:hover { color: oklch(0.45 0.13 40); border-color: oklch(0.7 0.1 40); }
.kxfb-attach-hint { font-size: 11.5px; opacity: .85; line-height: 1.5; }
.kxfb-bubble-img {
  max-width: 230px; max-height: 180px; border-radius: 10px;
  border: 1px solid oklch(0.85 0.02 165); display: block; margin-bottom: 4px;
  background: #fff;
}
.kxfb-doc-chip {
  align-self: flex-start; max-width: 100%;
  font-size: 12px; line-height: 1.5; padding: 6px 11px; border-radius: 9px;
  background: rgba(255, 255, 255, 0.95); border: 1px solid var(--kxfb-line, var(--line, oklch(0.90 0.012 162)));
  color: var(--kxfb-text, var(--text, oklch(0.30 0.02 168))); word-break: break-all;
}

/* ---- 元件鎖定（pick 模式） ---- */
html.kxfb-picking, html.kxfb-picking * { cursor: crosshair !important; }
.kxfb-pick-hint {
  position: fixed; top: 18px; left: 50%; transform: translateX(-50%);
  z-index: 2147483647; background: var(--kxfb-ink, var(--ink, #21302a)); color: #fff;
  padding: 10px 18px; border-radius: 999px; font-size: 13.5px; font-family: var(--kxfb-font, var(--font-sans, sans-serif));
  box-shadow: var(--kxfb-shadow-lift, 0 14px 36px rgb(0 0 0 / .18)); pointer-events: none;
}
.kxfb-picking .kxfb-hover-target { outline: 3px solid var(--kxfb-primary, var(--pine, #2f5f53)) !important; outline-offset: 2px; background-color: var(--kxfb-primary-soft, var(--pine-soft, #e3ede7)) !important; }
.kxfb-el-chip {
  display: inline-flex; align-items: center; gap: 6px; margin: 2px 0 8px;
  padding: 5px 12px; border-radius: 999px; font-size: 12.5px;
  background: var(--kxfb-primary-soft, var(--pine-soft, #e3ede7)); color: var(--kxfb-primary-deep, var(--pine-deep, #24544a));
  border: 1px dashed var(--kxfb-primary, var(--pine, #2f5f53));
}
.kxfb-el-chip code { font-size: 11.5px; opacity: .8; }

/* ---- 檔案拖曳提示層（v1.2.1） ---- */
.kxfb-dropzone {
  position: fixed; inset: 0; z-index: 80;   /* 蓋過 overlay(70)；pointer-events:none 不攔 drop 事件 */
  display: flex; align-items: center; justify-content: center;
  background: oklch(0.2 0.03 170 / 0.55);
  pointer-events: none;
}
.kxfb-dropzone[hidden] { display: none; }
.kxfb-dropzone-inner {
  border: 3px dashed var(--kxfb-primary, var(--pine, oklch(0.45 0.062 170)));
  border-radius: 18px; background: var(--kxfb-paper, var(--paper, #ffffff));
  padding: 36px 56px; text-align: center;
  font-family: var(--kxfb-font, var(--font-sans, 'Noto Sans TC', -apple-system, 'Segoe UI', 'Microsoft JhengHei', sans-serif));
  font-size: 17px; font-weight: 700; color: var(--kxfb-primary-deep, var(--pine-deep, oklch(0.32 0.055 172)));
  box-shadow: 0 14px 36px oklch(0.25 0.03 170 / 0.25);
}

/* ---- 修改紀錄視圖（issue #61，v1.3.0） ---- */
.kxfb-records { flex-direction: column; gap: 8px; min-height: 280px; }
.kxfb-records[hidden] { display: none; }
.kxfb-rec-bar { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.kxfb-rec-title { font-family: var(--kxfb-font-serif, var(--font-serif, 'Noto Serif TC', serif)); font-size: 15px; font-weight: 900; color: var(--kxfb-ink, var(--ink, oklch(0.24 0.028 172))); }
.kxfb-rec-back {
  border: 1px solid var(--kxfb-line, var(--line, oklch(0.90 0.012 162))); border-radius: 999px;
  background: var(--kxfb-wash, var(--wash, oklch(0.972 0.006 150))); color: var(--kxfb-muted, var(--muted, oklch(0.52 0.022 165)));
  font-family: var(--kxfb-font, var(--font-sans, 'Noto Sans TC', sans-serif));
  font-size: 12px; padding: 5px 12px; cursor: pointer; line-height: 1.4;
}
.kxfb-rec-back:hover { color: var(--kxfb-primary-deep, var(--pine-deep, oklch(0.32 0.055 172))); border-color: var(--kxfb-primary, var(--pine, oklch(0.45 0.062 170))); }
.kxfb-rec-note { font-size: 12px; color: var(--kxfb-muted, var(--muted, oklch(0.52 0.022 165))); margin: 0; }
.kxfb-rec-list {
  flex: 1; min-height: 200px; max-height: 52vh; overflow-y: auto;
  display: flex; flex-direction: column; gap: 10px;
  background: var(--kxfb-wash, var(--wash, oklch(0.972 0.006 150)));
  border: 1px solid var(--kxfb-line-soft, var(--line-soft, oklch(0.935 0.01 160)));
  border-radius: 10px; padding: 12px;
}
.kxfb-rec-empty { text-align: center; color: var(--kxfb-muted, var(--muted, oklch(0.52 0.022 165))); font-size: 13px; padding: 26px 0; }
.kxfb-rec-card {
  background: #fff; border: 1px solid var(--kxfb-line, var(--line, oklch(0.90 0.012 162)));
  border-radius: 10px; padding: 10px 13px 12px;
  display: flex; flex-direction: column; gap: 6px;
}
.kxfb-rec-head { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.kxfb-rec-st { flex: none; padding: 2px 10px; border-radius: 999px; font-size: 11px; font-weight: 700; }
.kxfb-rec-st-received { background: var(--kxfb-wash, var(--wash, #f4f6f2)); color: var(--kxfb-muted, var(--muted, #66756d)); border: 1px solid var(--kxfb-line, var(--line, #dce3de)); }
.kxfb-rec-st-progress { background: oklch(0.95 0.05 85); color: oklch(0.45 0.1 70); }
.kxfb-rec-st-confirm { background: oklch(0.93 0.06 155); color: oklch(0.4 0.09 160); }
.kxfb-rec-st-done { background: var(--kxfb-primary-soft, var(--pine-soft, #e3ede7)); color: var(--kxfb-primary-deep, var(--pine-deep, #24544a)); }
.kxfb-rec-meta { font-size: 11.5px; color: var(--kxfb-muted, var(--muted, oklch(0.52 0.022 165))); word-break: break-all; }
.kxfb-rec-summary { font-size: 13px; line-height: 1.7; color: var(--kxfb-text, var(--text, oklch(0.30 0.02 168))); white-space: pre-wrap; word-break: break-word; }
.kxfb-rec-reply {
  border-left: 3px solid var(--kxfb-primary, var(--pine, #2f5f53));
  background: var(--kxfb-primary-soft, var(--pine-soft, #eef4f0));
  border-radius: 0 8px 8px 0; padding: 7px 11px 9px; margin-top: 2px;
  display: flex; flex-direction: column; gap: 4px;
}
.kxfb-rec-reply-head { font-size: 11.5px; font-weight: 700; color: var(--kxfb-primary-deep, var(--pine-deep, #24544a)); }
.kxfb-rec-reply-text { font-size: 13px; line-height: 1.7; white-space: pre-wrap; word-break: break-word; color: var(--kxfb-text, var(--text, oklch(0.30 0.02 168))); }
.kxfb-rec-reply-imgs { display: flex; flex-wrap: wrap; gap: 6px; }
.kxfb-rec-reply-imgs img {
  max-width: 150px; max-height: 110px; display: block;
  border: 1px solid var(--kxfb-line, var(--line, oklch(0.90 0.012 162))); border-radius: 8px; background: #fff;
}

/* 清除並重新開始（↺） */
.kxfb-reset {
  width: 34px; height: 34px; flex: none; margin-right: 6px;
  border: 1px solid var(--kxfb-line, var(--line, oklch(0.90 0.012 162))); border-radius: 9px;
  background: var(--kxfb-wash, var(--wash, oklch(0.972 0.006 150))); color: var(--kxfb-muted, var(--muted, oklch(0.52 0.022 165)));
  cursor: pointer; font-size: 17px; line-height: 1;
}
.kxfb-reset:hover { color: var(--kxfb-primary, var(--pine, oklch(0.45 0.062 170))); border-color: var(--kxfb-primary, var(--pine, oklch(0.45 0.062 170))); }