* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #0f1117;
  --panel: #191c26;
  --panel2: #21252f;
  --text: #e6e8ee;
  --muted: #8b91a0;
  --accent: #4f8cff;
  --correct: #3ecf8e;
  --wrong: #ff5c6c;
  --pending: #f5c542;
  --border: #2c313d;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Pretendard", "Malgun Gothic", "Segoe UI", sans-serif;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  padding: 16px;
}

.app { width: 100%; max-width: 1460px; }

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}

h1 { font-size: 1.5rem; }

.controls { display: flex; gap: 10px; }

.seg {
  display: flex;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.seg button {
  border: none;
  background: transparent;
  color: var(--muted);
  padding: 9px 18px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.seg button.active {
  background: var(--accent);
  color: #fff;
}

.icon-btn {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 1.2rem;
  padding: 8px 16px;
  cursor: pointer;
  transition: filter 0.15s;
}

.icon-btn:hover { filter: brightness(1.2); }

.icon-btn { color: var(--text); }

.btn-hint {
  font-size: 0.7rem;
  color: var(--muted);
  vertical-align: middle;
}

.stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}

.stat {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
  text-align: center;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
}

.stat .label, .result-item .label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
}

.result-item .label { margin-bottom: 6px; }

.stat .value { font-size: 1.35rem; font-weight: 700; }

.target {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 28px;
  font-size: 2.2rem;
  line-height: 1.6;
  letter-spacing: 0.02em;
  min-height: 100px;
  word-break: keep-all;
  overflow-wrap: break-word;
}

.target .correct { color: var(--correct); }
.target .wrong { color: var(--wrong); text-decoration: underline; }
.target .pending { color: var(--pending); }
.target .current {
  border-bottom: 2px solid var(--accent);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { border-color: transparent; }
}

#input {
  width: 100%;
  margin-top: 12px;
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-size: 1.7rem;
  font-family: inherit;
  padding: 12px 20px;
  outline: none;
}

#input:focus { border-color: var(--accent); }

.hint {
  margin-top: 6px;
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
}

kbd {
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 0.75rem;
}

.hidden { display: none !important; }

#resultArea {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  text-align: center;
}

#resultArea h2 { margin-bottom: 20px; }

.result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

.result-item {
  background: var(--panel2);
  border-radius: 10px;
  padding: 16px;
}

.result-item .value { font-size: 1.6rem; font-weight: 700; }

.new-record {
  color: var(--pending);
  font-weight: 700;
  margin-bottom: 16px;
}

#restartBtn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 12px 32px;
  font-size: 1rem;
  cursor: pointer;
}

#restartBtn:hover { filter: brightness(1.1); }

.keyboard {
  --u: 88px;
  --gap: 7px;
  --kh: 78px;
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  align-items: center;
  -webkit-user-select: none;
  user-select: none;
}

.kb-row { display: flex; gap: var(--gap); }

.key {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  width: var(--u);
  height: var(--kh);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--muted);
  transition: background 0.1s;
  flex-shrink: 0;
}

.key .en { font-size: 1rem; line-height: 1.2; }
.key .ko { font-size: 1.35rem; color: var(--text); line-height: 1.2; }
.key .sub { font-size: 0.9rem; line-height: 1.2; }
.key .base { font-size: 1.2rem; color: var(--text); line-height: 1.2; }

.key.next {
  background: var(--accent);
  border-color: var(--accent);
}
.key.next span, .key.next { color: #fff; }

@media (max-width: 1500px) {
  .keyboard { --u: 72px; --kh: 64px; }
  .key .ko { font-size: 1.15rem; }
}

@media (max-width: 1250px) {
  .keyboard { --u: 56px; --kh: 52px; }
  .key .ko { font-size: 1rem; }
  .key .en { font-size: 0.8rem; }
}

@media (max-width: 980px) {
  .keyboard { --u: 42px; --kh: 42px; }
  .key .ko { font-size: 0.9rem; }
  .key .en { font-size: 0.7rem; }
  .key { font-size: 0.7rem; }
}

@media (max-width: 720px) {
  .stats { grid-template-columns: repeat(3, 1fr); }
  .keyboard { display: none; }
  .target { font-size: 1.4rem; }
  #input { font-size: 1.3rem; }
}