:root{
  --red:#ff3b30; --red-d:#e0271d; --bg:#f5f6f8; --card:#fff; --ink:#1c1d21; --sub:#6b6f76;
  --line:#e7e9ee; --ok:#1a9e5f; --radius:14px; --shadow:0 1px 3px rgba(20,22,30,.06),0 6px 18px rgba(20,22,30,.05);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Noto Sans JP","PingFang SC","Segoe UI",Roboto,sans-serif;
  background:var(--bg);color:var(--ink);font-size:15px;line-height:1.5}
.boot{padding:40px;text-align:center;color:var(--sub)}

.screen{max-width:680px;margin:0 auto;padding:0 14px calc(28px + env(safe-area-inset-bottom))}
.hero{padding:20px 4px 8px}
.hero-row{display:flex;align-items:center;justify-content:space-between;gap:10px}
.hero-title{font-size:21px;font-weight:800}
.hero-sub{color:var(--sub);font-size:13px;margin-top:3px}

/* language toggle */
.langtoggle{display:inline-flex;background:#eef0f4;border-radius:20px;padding:2px;flex:0 0 auto}
.langtoggle button{border:none;background:none;color:var(--sub);font-size:12px;font-weight:600;padding:5px 11px;border-radius:18px;cursor:pointer;line-height:1;white-space:nowrap}
.langtoggle button.on{background:#fff;color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.08)}

/* card / form */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line);padding:16px;margin:12px 0}
.field{display:block;margin-bottom:14px}
.field>span{display:block;font-size:13px;color:var(--sub);margin-bottom:5px}
.field .req{color:var(--red);margin-left:3px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 12px;font-size:16px;background:#fff;color:var(--ink);font-family:inherit}
.field textarea{resize:vertical;min-height:96px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--red);background:#fff}
/* 下拉框:强制深色文字 + 自定义箭头,清晰可读 */
.field select{-webkit-appearance:none;appearance:none;color:#1c1d21;font-weight:600;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='%236b6f76' d='M1 1l5 5 5-5'/></svg>");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}
.field select option{color:#1c1d21;background:#fff}

/* 标签行:文字在左,麦克风图标在右(参照图2:圆角浅底方块+线条话筒) */
.field>span.lbl{display:flex;align-items:center;gap:5px}
.mic-icon{margin-left:auto;width:34px;height:34px;border-radius:9px;border:none;background:#f1f2f6;color:#6b6f76;
  cursor:pointer;display:inline-flex;align-items:center;justify-content:center;padding:0}
.mic-icon:active{background:#e7e9ee}
.mic-icon.rec{background:var(--red);color:#fff;animation:pulse 1s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}

/* AI 整理按钮(参照图2:虚线边框 + 浅红底 + 红字) */
.ai-btn{width:100%;border:1px dashed var(--red);background:#fff5f4;color:var(--red);border-radius:12px;padding:13px;
  font-size:15px;font-weight:600;cursor:pointer;margin-bottom:14px;display:inline-flex;align-items:center;justify-content:center;gap:6px}
.ai-btn:active{background:#ffe9e7}
.ai-btn:disabled{opacity:.6}

/* AI 整理预览框 */
.preview{background:#fafbfc;border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:14px}
.preview-title{font-size:13px;font-weight:700;color:var(--red);margin-bottom:10px}

.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid var(--line);background:#fbfbfc;color:var(--ink);border-radius:20px;padding:7px 14px;font-size:13px;cursor:pointer;user-select:none}
.chip.on{background:var(--red);color:#fff;border-color:var(--red)}

.btn{display:block;width:100%;background:var(--red);color:#fff;border:none;border-radius:12px;padding:15px;font-size:16px;font-weight:700;cursor:pointer}
.btn:active{background:var(--red-d)}
.btn:disabled{opacity:.55}
.btn-ghost{background:#eef0f4;color:var(--ink)}

.section-title{font-size:13px;font-weight:700;color:var(--sub);margin:18px 4px 2px}
.rec{background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:12px 14px;margin:10px 0}
.rec-top{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:4px}
.rec-scene{font-size:12px;font-weight:700;background:#f1f2f6;color:#4a4e57;border-radius:20px;padding:2px 9px}
.rec-time{font-size:12px;color:var(--sub)}
.rec-note{font-size:14px;color:var(--ink);white-space:pre-wrap;word-break:break-word}
.rec-topic{font-size:13px;color:var(--ink);margin-top:6px}
.rec-topic b{color:var(--red);font-weight:600}
.rec-tags{margin-top:6px;display:flex;flex-wrap:wrap;gap:6px}
.rec-tag{font-size:11px;background:#eef0f4;color:#4a4e57;border-radius:12px;padding:2px 8px}
.rec-by{font-size:11px;color:var(--sub)}
.empty-sm{color:var(--sub);font-size:13px;padding:10px 2px}
.rec{cursor:pointer}
.rec:active{background:#fafbfc}
.rec-note-clamp{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-foot{display:flex;align-items:center;justify-content:space-between;margin-top:8px}
.rec-more{font-size:12px;color:var(--red);font-weight:600;white-space:nowrap}

/* 详情底部面板 */
.sheet-ov{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:1000;display:flex;align-items:flex-end}
.sheet{background:#fff;width:100%;max-width:680px;margin:0 auto;max-height:84vh;overflow:auto;border-radius:18px 18px 0 0;padding:16px 16px calc(22px + env(safe-area-inset-bottom))}
.sheet-head{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.sheet-x{margin-left:auto;width:30px;height:30px;border:none;background:#f1f2f6;border-radius:50%;font-size:18px;line-height:1;cursor:pointer;color:#6b6f76}
.d-sec{margin-bottom:14px}
.d-label{font-size:12px;font-weight:700;color:var(--sub);margin-bottom:4px}
.d-text{font-size:15px;color:var(--ink);white-space:pre-wrap;word-break:break-word;line-height:1.65}
.d-topic{color:var(--red);font-weight:600}
.d-by{font-size:12px;color:var(--sub);margin-top:4px}

.toast{position:fixed;left:50%;bottom:calc(28px + env(safe-area-inset-bottom));transform:translateX(-50%);background:rgba(28,29,33,.92);color:#fff;padding:11px 20px;border-radius:22px;font-size:14px;z-index:9999;opacity:0;transition:opacity .2s;max-width:82%;text-align:center}
.toast.show{opacity:1}
.spinner{width:15px;height:15px;border:2px solid #d7d9df;border-top-color:var(--red);border-radius:50%;display:inline-block;animation:spin .8s linear infinite;vertical-align:-2px}
@keyframes spin{to{transform:rotate(360deg)}}
.loading-line{color:var(--sub);padding:14px 2px}
.foot{height:24px}