:root{
  --green:#58cc02; --green-dark:#46a302; --green-light:#d7ffb8;
  --blue:#1cb0f6; --orange:#ff9600; --red:#ff4b4b; --purple:#ce82ff;
  --bg:#f7f7f7; --card:#ffffff; --text:#3c3c3c; --sub:#777;
  --border:#e5e5e5; --hl:#ffd900;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Noto Sans KR","Hiragino Sans","Noto Sans JP",sans-serif;
  background:var(--bg); color:var(--text);
  max-width:480px; margin:0 auto;
  display:flex; flex-direction:column;
  overscroll-behavior:none;
}
/* ---------- header ---------- */
.topbar{
  position:sticky; top:0; z-index:20;
  background:var(--bg);
  box-shadow:0 2px 8px rgba(0,0,0,.08);
}
header{
  background:var(--green);
  padding:14px 16px 12px;
}
header h1{color:#fff;font-size:20px;font-weight:800;display:flex;align-items:center;gap:8px}
header h1 .logo{width:27px;height:27px;border-radius:8px;display:block}
header h1 .total{font-size:12px;font-weight:600;opacity:.85;color:#fff}
header h1 .flag{font-size:22px}
.search-wrap{margin-top:10px;position:relative}
.search-wrap input{
  width:100%; padding:11px 40px 11px 40px;
  border:none; border-radius:14px; font-size:15px;
  background:#fff; color:var(--text); outline:none;
}
.search-wrap .icon{position:absolute;left:13px;top:50%;transform:translateY(-50%);font-size:15px;opacity:.5}
.search-wrap .clear{
  position:absolute;right:8px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border:none;border-radius:50%;
  background:#eee;color:#888;font-size:13px;display:none;
}
/* ---------- category chips ---------- */
.chips-wrap{position:relative;background:var(--bg)}
.chips-wrap::after{
  content:''; position:absolute; top:0; right:0; bottom:0; width:36px;
  background:linear-gradient(to right, rgba(247,247,247,0), var(--bg));
  pointer-events:none;
}
.chips{
  display:flex; gap:8px; overflow-x:auto; padding:10px 32px 10px 16px;
  scrollbar-width:none; -webkit-overflow-scrolling:touch;
}
.chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto; padding:8px 14px; border-radius:20px;
  border:2px solid var(--border); background:#fff;
  font-size:14px; font-weight:700; color:var(--sub);
  white-space:nowrap;
}
.chip.active{background:var(--green);border-color:var(--green);color:#fff}
/* ---------- toolbar ---------- */
.toolbar{
  display:flex; align-items:center; justify-content:space-between;
  padding:8px 16px 4px;
}
.count{font-size:13px;color:var(--sub);font-weight:600}
.tool-right{display:flex;gap:8px;align-items:center}
.speed-btn,.repeat-btn{
  border:2px solid var(--border); background:#fff; color:var(--sub);
  border-radius:14px; padding:7px 12px; font-size:13px; font-weight:800;
  display:flex; align-items:center; gap:5px;
}
.repeat-btn.on{background:var(--orange);border-color:var(--orange);color:#fff;animation:pulse 1.2s infinite}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}
/* ---------- cards ---------- */
main{flex:1;padding:6px 16px 90px}
.card{
  background:var(--card); border-radius:18px;
  border:2px solid var(--border); border-bottom-width:4px;
  padding:16px 14px; margin-bottom:10px;
  display:flex; align-items:center; gap:12px;
  transition:border-color .2s, background .2s;
}
.card:active{transform:translateY(1px);border-bottom-width:2px;margin-bottom:12px}
.card.playing{border-color:var(--green);background:#f3ffe8}
.card .body{flex:1;min-width:0}
.card .ja{font-size:19px;font-weight:800;line-height:1.45;word-break:break-all}
.card .ja span.hl{background:var(--hl);border-radius:4px}
.card .pron{font-size:14px;color:var(--blue);font-weight:700;margin-top:5px}
.card .mean{font-size:14px;color:var(--sub);margin-top:3px}
.card .play{
  flex:0 0 auto; width:44px; height:44px; border-radius:50%;
  border:none; background:var(--green-light); color:var(--green-dark);
  font-size:17px; display:flex; align-items:center; justify-content:center;
  box-shadow:0 2px 0 rgba(70,163,2,.35);
}
.card.playing .play{background:var(--green);color:#fff}
.cat-tag{
  display:inline-block; font-size:11px; font-weight:800;
  padding:2px 8px; border-radius:10px; margin-bottom:6px;
  background:#f0f0f0; color:#999;
}
.empty{text-align:center;color:#aaa;padding:60px 20px;font-size:15px}
.empty .big{font-size:44px;margin-bottom:12px}
/* ---------- repeat bar ---------- */
.repeat-bar{
  position:fixed; bottom:0; left:50%; transform:translate(-50%,110%);
  width:100%; max-width:480px; z-index:30;
  background:#fff; border-top:2px solid var(--border);
  padding:12px 16px calc(12px + env(safe-area-inset-bottom));
  display:flex; align-items:center; gap:12px;
  transition:transform .25s ease;
  box-shadow:0 -4px 16px rgba(0,0,0,.08);
}
.repeat-bar.show{transform:translate(-50%,0)}
.repeat-bar .info{flex:1;min-width:0}
.repeat-bar .info .rj{font-size:15px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.repeat-bar .info .rp{font-size:12px;color:var(--sub);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.repeat-bar button{
  width:42px;height:42px;border-radius:50%;border:none;font-size:16px;
  background:#f0f0f0;color:var(--text);flex:0 0 auto;
}
.repeat-bar .stop{background:var(--red);color:#fff}
.no-tts{background:#fff3cd;color:#856404;font-size:13px;padding:10px 14px;border-radius:12px;margin:8px 16px 0;display:none}
/* ---------- AI search ---------- */
.ai-cta{text-align:center;padding:14px 0 6px}
.ai-cta button{
  background:var(--purple); color:#fff; border:none;
  border-radius:16px; padding:12px 20px; font-size:14px; font-weight:800;
  box-shadow:0 3px 0 #a855d8;
}
.ai-cta button:disabled{opacity:.6}
.ai-card{
  background:#faf5ff; border:2px dashed var(--purple);
  border-radius:18px; padding:14px; margin:10px 0;
  display:flex; align-items:center; gap:12px;
}
.ai-card .body{flex:1;min-width:0}
.ai-card .ja{font-size:18px;font-weight:800;line-height:1.4}
.ai-card .pron{font-size:14px;color:var(--blue);font-weight:700;margin-top:4px}
.ai-card .mean{font-size:14px;color:var(--sub);margin-top:2px}
.ai-card .acts{display:flex;flex-direction:column;gap:6px;flex:0 0 auto}
.ai-card .listen{width:40px;height:40px;border-radius:50%;border:none;background:#eee;font-size:14px}
.ai-card .reg-btn{
  border:none;background:var(--green);color:#fff;font-weight:800;
  border-radius:12px;padding:9px 14px;font-size:13px;box-shadow:0 2px 0 var(--green-dark);
}
.ai-card .reg-btn:disabled{background:#ccc;box-shadow:none}
.ai-tag{background:#f3e8ff!important;color:var(--purple)!important}
.ai-msg{text-align:center;color:var(--purple);font-size:13px;font-weight:700;padding:10px}
.ai-err{text-align:center;color:var(--red);font-size:13px;padding:10px}
.del-btn{
  flex:0 0 auto;width:26px;height:26px;border:none;border-radius:50%;
  background:#f0f0f0;color:#aaa;font-size:12px;align-self:flex-start;
}
@keyframes spin{to{transform:rotate(360deg)}}
.spinner{display:inline-block;width:14px;height:14px;border:2px solid #fff;border-top-color:transparent;border-radius:50%;animation:spin .7s linear infinite;vertical-align:-2px;margin-right:6px}
/* ---------- used button ---------- */
.used-btn{
  margin-top:9px; padding:6px 11px;
  border:2px solid var(--border); border-radius:12px;
  background:#fff; color:var(--sub);
  font-size:12px; font-weight:800;
}
.used-btn.done{
  background:var(--green-light); border-color:transparent; color:var(--green-dark);
}
.cat-tag.rank{background:#fff3e0;color:var(--orange)}