.practice-layout {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  background: var(--panel);
  overflow: hidden;
}

.practice-inner {
  width: min(100%, 960px);
  flex: 1 1 auto;
  min-height: 0;
  margin: 0 auto;
  padding: 24px 24px 16px;
  display: flex;
  flex-direction: column;
}

.progress-row {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--zinc-400);
  font-size: 12px;
}

.progress-track {
  height: 6px;
  flex: 1;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(63, 63, 70, 0.5);
}

.progress-bar {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #3b82f6, #34d399);
  transition: width 180ms ease;
}

.progress-row strong {
  min-width: 38px;
  text-align: right;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-weight: 650;
}

.practice-card {
  border: 1px solid var(--card-line);
  border-radius: 8px;
  background: var(--card);
}

.text-card {
  flex: 1 1 auto;
  min-height: 0;
  margin-top: 22px;
  padding: clamp(20px, 3vw, 40px);
  overflow-y: auto;
  outline: none;
}

.keyboard-card {
  flex: 0 0 auto;
  margin-top: 16px;
  padding: 18px clamp(16px, 3vw, 32px);
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.card-head h2 {
  margin: 0;
  color: var(--zinc-400);
  font-size: 14px;
  font-weight: 650;
}

.card-head span {
  color: var(--zinc-500);
  font-size: 12px;
}

.typing-text {
  display: flex;
  flex-flow: row wrap;
  justify-content: center;
  align-content: flex-start;
  gap: 0;
  font-family: ui-serif, "Songti SC", "Noto Serif CJK SC", Georgia, serif;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.72;
  letter-spacing: 0;
  white-space: pre-wrap;
}

.char {
  min-width: 0.35em;
  border-radius: 4px;
  color: var(--zinc-500);
  transition: color 80ms ease, background 80ms ease;
}

.char.correct {
  color: #4ade80;
}

.char.wrong {
  color: var(--red);
}

.char.current {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.char.newline {
  flex-basis: 100%;
  height: 16px;
}

.annotated-char,
.word-block {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  border-radius: 6px;
}

.annotated-char {
  min-width: 1.15em;
  margin: 0 2px 8px;
  padding: 2px 3px;
}

.annotation-top {
  min-height: 18px;
  color: var(--zinc-400);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 13px;
  font-weight: 650;
  line-height: 18px;
}

.annotation-main {
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1.18;
}

.annotated-char.correct .annotation-top,
.annotated-char.correct .annotation-main,
.word-block .char.correct {
  color: #4ade80;
}

.annotated-char.wrong .annotation-top,
.annotated-char.wrong .annotation-main,
.word-block .char.wrong {
  color: var(--red);
}

.annotated-char.current,
.word-block.current {
  background: rgba(255, 255, 255, 0.08);
}

.chinese-space {
  width: 0.5em;
}

.word-block {
  margin: 0 4px 12px;
  padding: 4px 6px;
  font-family: ui-sans-serif, system-ui, sans-serif;
}

.word-main {
  display: inline-flex;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 750;
  line-height: 1.18;
}

.annotation-bottom {
  min-height: 18px;
  margin-top: 4px;
  color: var(--zinc-500);
  font-size: 12px;
  line-height: 18px;
}

.word-space {
  width: 0.45em;
}

.hidden-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  opacity: 0;
  resize: none;
  cursor: default;
  pointer-events: none;
}

.stat-bar {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  overflow: hidden;
  margin-top: 16px;
  border: 1px solid var(--card-line);
  border-radius: 8px;
  background: var(--card);
}

.stat-bar > div {
  display: grid;
  gap: 4px;
  padding: 16px 20px;
}

.stat-bar > div + div {
  border-left: 1px solid var(--card-line);
}

.stat-bar small {
  color: var(--zinc-500);
  font-size: 12px;
}

.stat-bar span {
  color: var(--zinc-200);
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 800;
}

.stat-bar div:nth-child(2) span {
  color: var(--green);
}

.stat-bar strong {
  font: inherit;
}

.virtual-keyboard {
  display: grid;
  gap: 6px;
  width: min(100%, 760px);
  margin: 0 auto;
  user-select: none;
}

.key-row {
  display: flex;
  justify-content: center;
  gap: 6px;
}

.key {
  position: relative;
  min-width: 38px;
  height: 42px;
  padding: 0 10px;
  border: 1px solid rgba(82, 82, 91, 0.55);
  border-radius: 7px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(63, 63, 70, 0.58);
  color: var(--zinc-400);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  font-weight: 750;
}

.key.home {
  border-color: rgba(59, 130, 246, 0.34);
  background: rgba(59, 130, 246, 0.12);
  color: #93c5fd;
}

.key.expected {
  border-color: #3b82f6;
  background: #3b82f6;
  color: #fff;
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.26);
  transform: translateY(-2px);
}

.key.space {
  width: min(34vw, 240px);
}

.key.wide {
  min-width: 56px;
}

.key.extra-wide {
  min-width: 78px;
}

.key.dot::after {
  content: "";
  position: absolute;
  bottom: 5px;
  left: 50%;
  width: 4px;
  height: 4px;
  border-radius: 999px;
  background: currentColor;
  transform: translateX(-50%);
  opacity: 0.7;
}