#dkTypingApp {
    --type-bg: #f4f6fb;
    --type-card: #ffffff;
    --type-text: #1e293b;
    --type-muted: #64748b;
    --type-line: #dce3ef;
    --type-accent: #4f46e5;
    --type-accent-soft: #eef2ff;
    --type-green: #16a34a;
    --type-green-soft: #ecfdf3;
    --type-red: #dc2626;
    --type-shadow: 0 20px 50px rgba(30, 41, 59, .08);
    width: 100%;
    color: var(--type-text);
    font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
#dkTypingApp * { box-sizing: border-box; }
#dkTypingApp button, #dkTypingApp select, #dkTypingApp input { font: inherit; }
#dkTypingApp button:focus-visible, #dkTypingApp select:focus-visible, #dkTypingApp .prompt-card:focus-visible { outline: 3px solid rgba(79,70,229,.35); outline-offset: 3px; }
.typing-ad { margin: 24px auto; }
#dkTypingApp .typing-hero { display:flex; justify-content:space-between; gap:24px; align-items:flex-end; padding:32px; margin:12px 0 24px; border-radius:28px; background:linear-gradient(135deg,#111827,#312e81); color:#fff; box-shadow:var(--type-shadow); }
#dkTypingApp .typing-hero h1 { margin:4px 0 10px; font-size:clamp(34px,5vw,58px); }
#dkTypingApp .typing-hero p { margin:0; color:#dbe2ff; line-height:1.8; }
#dkTypingApp .typing-kicker { margin:0 0 5px; font-size:12px; font-weight:900; letter-spacing:.15em; color:#818cf8; }
#dkTypingApp .typing-hero .typing-kicker { color:#a5b4fc; }
#dkTypingApp .typing-summary { display:flex; gap:10px; flex:0 0 auto; }
#dkTypingApp .typing-summary span { min-width:100px; padding:14px 18px; background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.14); border-radius:18px; text-align:center; }
#dkTypingApp .typing-summary b, #dkTypingApp .typing-summary small { display:block; }
#dkTypingApp .typing-summary b { font-size:24px; }
#dkTypingApp .typing-summary small { margin-top:4px; color:#c7d2fe; }
#dkTypingApp .typing-panel { padding:clamp(20px,3vw,32px); margin:0 0 24px; border:1px solid var(--type-line); border-radius:26px; background:var(--type-card); box-shadow:var(--type-shadow); }
#dkTypingApp .typing-panel[hidden] { display:none !important; }
#dkTypingApp .typing-panel-head, #dkTypingApp .practice-topbar, #dkTypingApp .keyboard-head { display:flex; justify-content:space-between; align-items:center; gap:18px; }
#dkTypingApp h2, #dkTypingApp h3 { color:var(--type-text); }
#dkTypingApp .typing-panel h2 { margin:0; }
#dkTypingApp .level-select-wrap { display:flex; align-items:center; gap:10px; font-weight:800; }
#dkTypingApp .level-select-wrap select { min-width:220px; padding:12px 14px; border:1px solid var(--type-line); border-radius:14px; background:#fff; }
#dkTypingApp .selected-level-card { display:grid; grid-template-columns:auto minmax(0,1fr) auto; gap:20px; align-items:center; margin:24px 0; padding:22px; border-radius:22px; background:var(--type-bg); }
#dkTypingApp .level-number { width:70px; height:70px; border-radius:20px; display:grid; place-items:center; background:var(--type-accent); color:#fff; font-size:30px; font-weight:900; }
#dkTypingApp .selected-level-card h3 { margin:0 0 8px; font-size:22px; }
#dkTypingApp .selected-level-card p { margin:4px 0; color:var(--type-muted); line-height:1.65; }
#dkTypingApp .finger-note { font-weight:800; color:#4338ca !important; }
#dkTypingApp .focus-keys-wrap { min-width:210px; }
#dkTypingApp .focus-keys-wrap small { display:block; margin-bottom:8px; color:var(--type-muted); font-weight:700; }
#dkTypingApp .focus-keys { display:flex; flex-wrap:wrap; gap:6px; }
#dkTypingApp .focus-key { min-width:34px; height:34px; display:grid; place-items:center; padding:0 8px; border-radius:9px; border:1px solid #c7d2fe; background:#fff; color:#3730a3; font-weight:900; font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; }
#dkTypingApp .setup-actions, #dkTypingApp .result-actions { display:flex; gap:12px; align-items:center; flex-wrap:wrap; }
#dkTypingApp .typing-btn { border:0; border-radius:14px; padding:12px 20px; cursor:pointer; font-weight:900; transition:transform .12s ease, opacity .12s ease; }
#dkTypingApp .typing-btn:hover { transform:translateY(-1px); }
#dkTypingApp .typing-btn:disabled { opacity:.45; cursor:not-allowed; transform:none; }
#dkTypingApp .typing-btn-primary { background:var(--type-accent); color:#fff; }
#dkTypingApp .typing-btn-secondary { background:#e0e7ff; color:#312e81; }
#dkTypingApp .typing-btn-ghost { background:#f1f5f9; color:#334155; }
#dkTypingApp .sound-toggle { display:flex; align-items:center; gap:7px; color:var(--type-muted); font-weight:700; }
#dkTypingApp .ime-note { margin:16px 0 0; color:var(--type-muted); font-size:13px; }
#dkTypingApp .stats-row { display:grid; grid-template-columns:repeat(5,1fr); gap:10px; margin:22px 0 12px; }
#dkTypingApp .stats-row div, #dkTypingApp .result-grid div { padding:14px; border-radius:16px; background:var(--type-bg); text-align:center; }
#dkTypingApp .stats-row small, #dkTypingApp .stats-row strong, #dkTypingApp .result-grid small, #dkTypingApp .result-grid strong { display:block; }
#dkTypingApp .stats-row small, #dkTypingApp .result-grid small { color:var(--type-muted); font-size:12px; font-weight:700; }
#dkTypingApp .stats-row strong { margin-top:3px; font-size:20px; }
#dkTypingApp .progress-track { height:10px; overflow:hidden; border-radius:999px; background:#e8edf5; }
#dkTypingApp .progress-track span { display:block; height:100%; width:0; background:linear-gradient(90deg,#4f46e5,#7c3aed); border-radius:inherit; transition:width .15s ease; }
#dkTypingApp .prompt-card { position:relative; margin:20px 0; padding:28px 22px 24px; border:2px solid #c7d2fe; border-radius:24px; background:linear-gradient(180deg,#fbfcff,#f4f6ff); text-align:center; cursor:text; }
#dkTypingApp .prompt-card.error-flash { animation:typeError .16s ease 1; }
@keyframes typeError { 50% { border-color:#ef4444; background:#fff1f2; transform:translateX(3px); } }
#dkTypingApp .prompt-caption { margin:0 0 18px; color:var(--type-muted); font-size:13px; font-weight:800; }
#dkTypingApp .prompt-sequence { min-height:62px; display:flex; justify-content:center; align-items:center; gap:5px; flex-wrap:wrap; font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; }
#dkTypingApp .prompt-token { min-width:34px; height:44px; display:grid; place-items:center; border-radius:9px; font-size:23px; font-weight:800; color:#94a3b8; background:#fff; border:1px solid #e2e8f0; }
#dkTypingApp .prompt-token.done { color:#16a34a; background:#f0fdf4; border-color:#bbf7d0; }
#dkTypingApp .prompt-token.current { color:#fff; background:var(--type-accent); border-color:var(--type-accent); transform:translateY(-3px); box-shadow:0 8px 18px rgba(79,70,229,.23); }
#dkTypingApp .current-key-info { margin-top:20px; display:flex; justify-content:center; align-items:center; gap:12px; }
#dkTypingApp .current-key-info span, #dkTypingApp .current-key-info small { color:var(--type-muted); font-weight:700; }
#dkTypingApp .current-key-info strong { min-width:56px; padding:8px 12px; border-radius:12px; background:#111827; color:#fff; font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; font-size:26px; }
#dkTypingApp .keyboard-wrap { margin-top:24px; padding:20px; border-radius:22px; background:#f8fafc; border:1px solid var(--type-line); overflow-x:auto; }
#dkTypingApp .keyboard-head h3 { margin:0 0 4px; }
#dkTypingApp .keyboard-head p { margin:0; color:var(--type-muted); font-size:13px; }
#dkTypingApp .legend { display:flex; gap:8px; font-size:12px; font-weight:800; }
#dkTypingApp .legend span { padding:5px 9px; border-radius:999px; }
#dkTypingApp .legend-current { background:#111827; color:#fff; }
#dkTypingApp .legend-enabled { background:#e0e7ff; color:#3730a3; }
#dkTypingApp .keyboard { width:max-content; min-width:880px; margin:18px auto 0; }
#dkTypingApp .keyboard-row { display:flex; gap:6px; margin-bottom:6px; }
#dkTypingApp .key { position:relative; width:52px; height:52px; flex:0 0 auto; border:1px solid #cbd5e1; border-bottom-width:3px; border-radius:10px; background:#fff; color:#94a3b8; font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; }
#dkTypingApp .key.wide-15 { width:78px; }
#dkTypingApp .key.wide-18 { width:94px; }
#dkTypingApp .key.wide-22 { width:116px; }
#dkTypingApp .key.wide-space { width:330px; }
#dkTypingApp .key .base { position:absolute; left:9px; bottom:7px; font-size:17px; font-weight:900; }
#dkTypingApp .key .shift { position:absolute; right:7px; top:5px; font-size:11px; font-weight:800; }
#dkTypingApp .key .special { display:grid; place-items:center; height:100%; font-family:inherit; font-size:11px; font-weight:800; }
#dkTypingApp .key.enabled { color:#3730a3; border-color:#a5b4fc; background:#eef2ff; }
#dkTypingApp .key.current { color:#fff; border-color:#111827; background:#111827; box-shadow:0 7px 14px rgba(15,23,42,.2); transform:translateY(-2px); }
#dkTypingApp .key.current .shift { color:#c7d2fe; }
#dkTypingApp .finger-lp.enabled { box-shadow:inset 0 3px 0 #e879f9; }
#dkTypingApp .finger-lr.enabled { box-shadow:inset 0 3px 0 #fb7185; }
#dkTypingApp .finger-lm.enabled { box-shadow:inset 0 3px 0 #fb923c; }
#dkTypingApp .finger-li.enabled { box-shadow:inset 0 3px 0 #facc15; }
#dkTypingApp .finger-ri.enabled { box-shadow:inset 0 3px 0 #4ade80; }
#dkTypingApp .finger-rm.enabled { box-shadow:inset 0 3px 0 #2dd4bf; }
#dkTypingApp .finger-rr.enabled { box-shadow:inset 0 3px 0 #38bdf8; }
#dkTypingApp .finger-rp.enabled { box-shadow:inset 0 3px 0 #818cf8; }
#dkTypingApp .result-judgement { display:inline-block; margin:18px 0; padding:8px 14px; border-radius:999px; background:var(--type-green-soft); color:var(--type-green); font-weight:900; }
#dkTypingApp .result-judgement.fail { background:#fff1f2; color:var(--type-red); }
#dkTypingApp .result-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:12px; margin:10px 0 18px; }
#dkTypingApp .result-grid strong { margin-top:5px; font-size:28px; }
#dkTypingApp .clear-rule { color:var(--type-muted); line-height:1.7; }
.typing-about { margin-top:28px; }
@media (max-width: 760px) {
    #dkTypingApp .typing-hero { align-items:flex-start; flex-direction:column; padding:24px; }
    #dkTypingApp .typing-summary { width:100%; }
    #dkTypingApp .typing-summary span { flex:1; min-width:0; }
    #dkTypingApp .typing-panel-head, #dkTypingApp .practice-topbar, #dkTypingApp .keyboard-head { align-items:flex-start; flex-direction:column; }
    #dkTypingApp .level-select-wrap { width:100%; justify-content:space-between; }
    #dkTypingApp .level-select-wrap select { min-width:0; width:70%; }
    #dkTypingApp .selected-level-card { grid-template-columns:auto 1fr; }
    #dkTypingApp .focus-keys-wrap { grid-column:1 / -1; min-width:0; }
    #dkTypingApp .stats-row { grid-template-columns:repeat(2,1fr); }
    #dkTypingApp .stats-row div:last-child { grid-column:1 / -1; }
    #dkTypingApp .result-grid { grid-template-columns:repeat(2,1fr); }
    #dkTypingApp .current-key-info { flex-wrap:wrap; }
}