.practice-weak-key-detail {
  display: grid;
  gap: 18px;
}

.practice-weak-key-target-field {
  display: grid;
  gap: 7px;
  width: min(320px, 100%);
  margin: 14px 0;
}

.practice-weak-key-target-field > span {
  color: var(--muted-strong);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.practice-weak-key-target-field input {
  width: 100%;
  min-height: 54px;
  padding: 10px 13px;
  border: 1px solid var(--border);
  outline: none;
  background: var(--bg);
  color: var(--text);
  font-size: 28px;
  letter-spacing: 0.16em;
}

.practice-weak-key-target-field input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgb(0 255 242 / 10%);
}

.practice-weak-key-target-field small,
.practice-weak-key-recommendations small {
  color: var(--muted);
  line-height: 1.5;
}

.practice-weak-key-recommendations {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.practice-weak-key-recommendations button {
  display: grid;
  gap: 5px;
  min-width: 0;
  min-height: 94px;
  padding: 12px;
  border: 1px solid var(--border);
  outline: none;
  background: var(--panel);
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.practice-weak-key-recommendations button:hover,
.practice-weak-key-recommendations button:focus-visible {
  border-color: var(--primary);
  background: rgb(0 255 242 / 7%);
}

.practice-weak-key-recommendations strong {
  color: var(--primary);
  font-size: 25px;
  line-height: 1;
}

.practice-weak-key-recommendations span {
  color: var(--muted-strong);
  font-size: 10px;
  overflow-wrap: anywhere;
}

.practice-weak-key-recommendations small {
  font-size: 9px;
}

.practice-weak-key-plan,
.practice-weak-key-phase-strip {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.practice-weak-key-plan {
  display: grid;
  gap: 1px;
  border: 1px solid var(--border);
  background: var(--border);
}

.practice-weak-key-plan li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--panel);
}

.practice-weak-key-plan p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
}

.practice-weak-key-plan li > span:last-child {
  color: var(--muted);
  font-size: 10px;
}

.practice-weak-key-plan-index {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--primary);
  color: var(--primary);
}

.practice-weak-key-session .practice-lab-shell,
.practice-weak-key-results .practice-lab-shell {
  width: min(1040px, 100%);
  margin-inline: auto;
}

.practice-weak-key-session-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.practice-weak-key-session-header h1 {
  margin: 5px 0 0;
  color: var(--primary);
  font-size: clamp(28px, 5vw, 48px);
  letter-spacing: 0.08em;
}

.practice-weak-key-session-actions,
.practice-weak-key-result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.practice-weak-key-session-actions button,
.practice-weak-key-result-actions button,
.practice-weak-key-detail .practice-lab-primary-action {
  min-height: 42px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  letter-spacing: 0.08em;
}

.practice-weak-key-session-actions button:hover,
.practice-weak-key-session-actions button:focus-visible,
.practice-weak-key-result-actions button:hover,
.practice-weak-key-result-actions button:focus-visible,
.practice-weak-key-detail .practice-lab-primary-action:hover:not(:disabled) {
  border-color: var(--primary);
  outline: none;
  color: var(--primary);
  background: rgb(0 255 242 / 7%);
}

.practice-weak-key-detail .practice-lab-primary-action:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.practice-weak-key-phase-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
  margin-bottom: 12px;
}

.practice-weak-key-phase-strip li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 7px;
  min-width: 0;
  padding: 9px 10px;
  border: 1px solid var(--border);
  background: rgb(16 23 32 / 72%);
  color: var(--muted);
  font-size: 10px;
}

.practice-weak-key-phase-strip li[data-phase-state="active"] {
  border-color: var(--primary);
  color: var(--text);
  background: rgb(0 255 242 / 8%);
}

.practice-weak-key-phase-strip li[data-phase-state="active"] > span {
  color: var(--primary);
}

.practice-weak-key-phase-strip li[data-phase-state="complete"] {
  border-color: rgb(76 255 142 / 40%);
  color: var(--muted-strong);
}

.practice-weak-key-phase-strip li[data-phase-state="complete"] > span {
  color: var(--success);
}

.practice-weak-key-phase-card {
  min-height: 82px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  background: var(--panel);
}

.practice-weak-key-phase-card p {
  margin: 9px 0 0;
  color: var(--muted-strong);
  line-height: 1.55;
}

.practice-weak-key-progress {
  height: 5px;
  margin-top: 14px;
  overflow: hidden;
  background: var(--locked);
}

.practice-weak-key-progress > span {
  display: block;
  height: 100%;
  background: var(--primary);
  transition: width 120ms linear;
}

.practice-weak-key-progress-label {
  margin-top: 6px;
  color: var(--muted);
  font-size: 10px;
  text-align: right;
  letter-spacing: 0.08em;
}

.practice-weak-key-typing {
  min-height: 220px;
  margin: 16px 0;
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid rgb(0 255 242 / 28%);
  background: rgb(10 14 20 / 92%);
  color: var(--text);
  font-size: clamp(20px, 2.4vw, 30px);
  line-height: 1.8;
  letter-spacing: 0.025em;
  overflow-wrap: anywhere;
  user-select: none;
}

.practice-weak-key-typing[data-session-paused="true"] {
  opacity: 0.45;
}

.practice-weak-key-char {
  border-radius: 2px;
}

.practice-weak-key-char.is-typed {
  color: var(--muted);
}

.practice-weak-key-char.is-error {
  color: var(--danger);
  background: rgb(255 71 87 / 13%);
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.practice-weak-key-char.is-current {
  color: var(--bg);
  background: var(--primary);
  box-shadow: 0 0 0 2px rgb(0 255 242 / 18%);
}

.practice-weak-key-char.is-target-strong:not(.is-current) {
  color: var(--primary);
  background: rgb(0 255 242 / 10%);
  text-decoration-line: underline;
  text-decoration-style: double;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.practice-weak-key-char.is-target-subtle:not(.is-current) {
  text-decoration-line: underline;
  text-decoration-style: dashed;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.practice-weak-key-result-grid,
.practice-weak-key-results .practice-lab-empty-state dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 14px 0;
  background: var(--border);
}

.practice-weak-key-result-grid > div,
.practice-weak-key-results .practice-lab-empty-state dl > div {
  padding: 12px;
  background: var(--panel);
}

.practice-weak-key-result-grid dt,
.practice-weak-key-results dt {
  color: var(--muted);
  font-size: 10px;
}

.practice-weak-key-result-grid dd,
.practice-weak-key-results dd {
  margin: 6px 0 0;
  color: var(--primary);
  font-size: 18px;
}

@media (max-width: 760px) {
  .practice-weak-key-recommendations {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .practice-weak-key-session-header {
    flex-direction: column;
  }

  .practice-weak-key-phase-strip {
    grid-template-columns: 1fr;
  }

  .practice-weak-key-plan li {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .practice-weak-key-plan li > span:last-child {
    grid-column: 2;
  }

  .practice-weak-key-typing {
    min-height: 180px;
    font-size: clamp(18px, 5.5vw, 24px);
  }

  .practice-weak-key-result-grid,
  .practice-weak-key-results .practice-lab-empty-state dl {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 420px) {
  .practice-weak-key-recommendations {
    grid-template-columns: 1fr;
  }

  .practice-weak-key-session-actions,
  .practice-weak-key-session-actions button,
  .practice-weak-key-result-actions,
  .practice-weak-key-result-actions button,
  .practice-weak-key-detail .practice-lab-primary-action {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .practice-weak-key-progress > span {
    transition: none;
  }
}