.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgb(251 250 248 / 0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgb(45 52 61 / 0.1);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 64px;
  width: min(1200px, calc(100% - 32px));
  margin-inline: auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--paper-0);
  font-weight: 700;
  text-decoration: none;
}

.brand:hover {
  color: var(--paper-0);
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-control);
  background: var(--bench-3);
  border: 1px solid rgb(45 52 61 / 0.14);
  box-shadow: var(--shadow-key);
  color: var(--accent);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--steel-0);
  padding: 0.5rem 0.7rem;
  border-radius: var(--radius-control);
  text-decoration: none;
  font-size: 0.95rem;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--paper-0);
  background: var(--bench-3);
}

.site-footer {
  border-top: 1px solid rgb(45 52 61 / 0.08);
  background: var(--bench-0);
  padding-block: 2.6rem 2rem;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(4, 1fr);
  gap: 2rem;
}

.site-footer h2 {
  font-size: 1rem;
  margin-bottom: 0.8rem;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer li {
  margin-bottom: 0.5rem;
}

.site-footer a {
  color: var(--steel-1);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--paper-0);
}

.site-footer__bottom {
  margin-top: 2.4rem;
  padding-top: 1.4rem;
  border-top: 1px solid rgb(45 52 61 / 0.08);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--steel-2);
  font-size: 0.85rem;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  margin-bottom: 1.4rem;
  font-size: 0.85rem;
  color: var(--steel-2);
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.breadcrumbs li + li::before {
  content: "/";
  margin-right: 0.4rem;
  color: var(--steel-2);
}

.breadcrumbs a {
  color: var(--steel-1);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--paper-0);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.55rem 1.1rem;
  border: 0;
  border-radius: var(--radius-control);
  background: var(--bench-3);
  color: var(--paper-0);
  font: inherit;
  font-weight: 650;
  text-decoration: none;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.1);
  transition: transform 120ms ease-out, background 120ms ease-out;
}

.btn:hover {
  background: #2c323c;
  color: var(--paper-0);
}

.btn:active {
  transform: translateY(1px) scale(0.99);
}

.btn--primary {
  background: var(--accent);
  color: var(--ink-0);
  box-shadow: 0 4px 0 #b63e0f, inset 0 1px 0 rgb(255 255 255 / 0.3);
}

.btn--primary:hover {
  background: var(--accent-bright);
  color: var(--ink-0);
}

.btn--ghost {
  background: transparent;
  border: 1px solid var(--steel-2);
  box-shadow: none;
}

.btn--ghost:hover {
  background: var(--bench-2);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  border: 1px solid rgb(45 52 61 / 0.14);
  background: var(--bench-2);
  color: var(--steel-0);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  line-height: 1.3;
  white-space: nowrap;
}

.badge--active {
  background: rgb(255 92 31 / 0.16);
  border-color: rgb(255 92 31 / 0.55);
  color: var(--accent-bright);
}

.badge--warn {
  background: rgb(255 178 36 / 0.14);
  border-color: rgb(255 178 36 / 0.55);
  color: var(--amber);
}

.badge--ok {
  background: rgb(79 209 139 / 0.12);
  border-color: rgb(79 209 139 / 0.5);
  color: var(--green);
}

.badge--error {
  background: rgb(255 93 93 / 0.12);
  border-color: rgb(255 93 93 / 0.55);
  color: var(--red);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(0.9rem, 2vw, 1.4rem);
  align-items: start;
  padding-block: clamp(0.6rem, 1.8vw, 1.2rem) clamp(1.4rem, 3vw, 2.4rem);
}

.hero h1 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.05;
  max-width: 24ch;
  margin-bottom: 0.35em;
}

.hero__copy {
  max-width: 820px;
}

.hero .workspace {
  min-width: 0;
}

.hero__intro {
  color: var(--steel-1);
  font-size: clamp(0.95rem, 1.3vw, 1.08rem);
  max-width: 62ch;
  margin-bottom: 0;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.2rem;
}

.hero__actions .btn {
  min-height: 40px;
  padding: 0.5rem 0.95rem;
  font-size: 0.92rem;
}

.hero__note {
  margin-top: 0.9rem;
  font-size: 0.88rem;
  color: var(--steel-2);
}

.workspace {
  position: relative;
  min-width: 0;
  border: 1px solid rgb(45 52 61 / 0.1);
  border-radius: var(--radius-panel);
  background:
    linear-gradient(180deg, rgb(255 255 255 / 0.02), transparent 30%),
    var(--bench-1);
  box-shadow: var(--shadow-panel);
}

.workspace::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.8;
  pointer-events: none;
}

.workspace__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid rgb(45 52 61 / 0.08);
}

.workspace__title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 650;
  color: var(--paper-0);
}

.workspace__status {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--steel-1);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--steel-2);
}

.status-dot--live {
  background: var(--green);
  box-shadow: 0 0 0 4px rgb(79 209 139 / 0.16);
}

.workspace__body {
  padding: 1rem;
}

.keyboard-shell {
  min-width: 0;
  background:
    linear-gradient(180deg, var(--bench-2), var(--bench-1));
  border: 1px solid rgb(45 52 61 / 0.08);
  border-radius: var(--radius-panel);
  padding: clamp(0.6rem, 1.4vw, 1.1rem);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.05);
}

.keyboard {
  display: flex;
  flex-direction: column;
  gap: 5px;
  user-select: none;
}

.keyboard__row {
  display: flex;
  gap: 5px;
}

.key {
  position: relative;
  flex: var(--key-width, 1) 1 0;
  min-width: 0;
  height: clamp(30px, 4vw, 46px);
  display: grid;
  place-items: center;
  border-radius: 6px;
  border: 1px solid rgb(45 52 61 / 0.16);
  background: linear-gradient(180deg, #fbfaf8, #e8e6e1);
  color: #2b2f35;
  font-family: var(--font-mono);
  font-size: clamp(7px, 0.85vw, 12px);
  line-height: 1;
  text-transform: lowercase;
  box-shadow: var(--shadow-key);
  transition: background 80ms ease-out, color 80ms ease-out, transform 80ms ease-out, box-shadow 80ms ease-out;
}

.key:hover {
  color: var(--ink-0);
}

.key[data-code="Escape"],
.key[data-code^="F"] {
  background: linear-gradient(180deg, #edf2f7, #dce5ec);
  color: #1f3a5f;
  border-color: rgb(37 99 235 / 0.3);
}

.key[data-code^="Digit"],
.key[data-code^="Numpad"] {
  background: linear-gradient(180deg, #fdf6e3, #f1e3b8);
  color: #6b4f0a;
  border-color: rgb(180 83 9 / 0.3);
}

.key[data-code^="Key"] {
  background: linear-gradient(180deg, #f7f7f5, #e9e8e4);
  color: #22262c;
  border-color: rgb(45 52 61 / 0.12);
}

.key[data-code^="Control"],
.key[data-code^="Alt"],
.key[data-code^="Meta"],
.key[data-code^="Shift"] {
  background: linear-gradient(180deg, #fdeee7, #f4d5c7);
  color: #8a3a1c;
  border-color: rgb(217 72 15 / 0.3);
}

.key[data-code="Tab"],
.key[data-code="CapsLock"] {
  background: linear-gradient(180deg, #edf2f9, #dbe5f0);
  color: #1e3a5f;
  border-color: rgb(37 99 235 / 0.3);
}

.key[data-code="Backspace"],
.key[data-code="Enter"] {
  background: linear-gradient(180deg, #fdeeed, #f3d3d1);
  color: #7c2626;
  border-color: rgb(220 38 38 / 0.3);
}

.key[data-code="Space"] {
  background: linear-gradient(180deg, #fbf3e6, #f0dbb8);
  color: #7a5111;
  border-color: rgb(180 83 9 / 0.3);
}

.key[data-code="Backquote"],
.key[data-code="Minus"],
.key[data-code="Equal"],
.key[data-code="BracketLeft"],
.key[data-code="BracketRight"],
.key[data-code="Backslash"],
.key[data-code="Semicolon"],
.key[data-code="Quote"],
.key[data-code="Comma"],
.key[data-code="Period"],
.key[data-code="Slash"],
.key[data-code="IntlBackslash"] {
  background: linear-gradient(180deg, #f1f1ef, #e2e1dc);
  color: #3a3f46;
  border-color: rgb(45 52 61 / 0.16);
}

.key--is-active {
  background: linear-gradient(180deg, var(--accent-bright), var(--accent));
  color: var(--ink-0);
  transform: translateY(2px);
  box-shadow: 0 1px 0 rgb(45 52 61 / 0.35), inset 0 1px 0 rgb(255 255 255 / 0.3);
}

.key--is-repeat {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.key--is-stuck {
  outline: 2px solid var(--red);
  outline-offset: 2px;
  animation: stuck-pulse 900ms ease-out infinite;
}

@keyframes stuck-pulse {
  0%,
  100% {
    box-shadow: var(--shadow-key), 0 0 0 0 rgb(255 93 93 / 0.5);
  }
  50% {
    box-shadow: var(--shadow-key), 0 0 0 6px rgb(255 93 93 / 0);
  }
}

.workspace__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 0.9rem;
  align-items: start;
}

.event-sheet {
  min-width: 0;
  border: 1px solid rgb(45 52 61 / 0.1);
  border-radius: var(--radius-panel);
  background:
    repeating-linear-gradient(0deg, transparent, transparent 27px, rgb(20 22 25 / 0.12) 28px),
    var(--paper-0);
  color: var(--ink-0);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
}

.event-sheet__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid rgb(20 22 25 / 0.12);
}

.event-sheet__head h2 {
  margin: 0;
  color: var(--ink-0);
  font-size: 1rem;
  letter-spacing: 0;
}

.event-sheet__body {
  padding: 1rem;
}

.event-field {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 0.6rem 0.8rem;
  align-items: baseline;
  padding: 0.65rem 0;
  border-bottom: 1px dashed rgb(20 22 25 / 0.18);
}

.event-field__label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-2);
  letter-spacing: 0;
}

.event-field__value {
  min-width: 0;
  overflow-wrap: anywhere;
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 1.4vw, 1.15rem);
  font-weight: 650;
  color: var(--ink-0);
}

.modifier-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.modifier-pill {
  padding: 0.18rem 0.5rem;
  border-radius: 4px;
  background: rgb(20 22 25 / 0.08);
  border: 1px solid rgb(20 22 25 / 0.14);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.event-actions {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.9rem;
}

.event-actions .btn {
  background: var(--ink-0);
  color: var(--bench-0);
  min-height: 40px;
}

.event-actions .btn:hover {
  background: var(--ink-1);
  color: var(--bench-0);
}

.live-region {
  min-height: 1.2rem;
  margin-top: 0.7rem;
  font-size: 0.85rem;
  color: var(--ink-2);
}

.history {
  max-height: 210px;
  overflow: auto;
  border-top: 1px solid rgb(20 22 25 / 0.12);
}

.history-row {
  display: grid;
  grid-template-columns: 64px 1fr 1fr 90px;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid rgb(20 22 25 / 0.08);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.history-row__type {
  color: var(--ink-2);
}

.layout-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
}

.layout-option {
  display: grid;
  gap: 0.35rem;
  padding: 0.9rem 1rem;
  border: 1px solid rgb(45 52 61 / 0.12);
  border-radius: var(--radius-control);
  background: var(--bench-1);
  color: var(--paper-0);
  text-decoration: none;
  transition: border-color 120ms ease-out, background 120ms ease-out;
}

.layout-option:hover {
  border-color: rgb(255 92 31 / 0.6);
  background: var(--bench-2);
}

.layout-option[aria-current="page"] {
  border-color: var(--accent);
  background: rgb(255 92 31 / 0.12);
}

.layout-option strong {
  font-size: 1rem;
}

.layout-option span {
  color: var(--steel-1);
  font-size: 0.85rem;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.6rem;
  align-items: start;
}

.steps {
  counter-reset: step;
  list-style: none;
  margin: 0;
  padding: 0;
}

.steps li {
  counter-increment: step;
  position: relative;
  padding: 0 0 1.2rem 2.6rem;
  border-left: 1px solid rgb(45 52 61 / 0.12);
  margin-left: 0.8rem;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: -1.05rem;
  top: 0;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--bench-3);
  border: 1px solid rgb(45 52 61 / 0.16);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.limit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

.limit-item {
  padding: 1rem;
  border: 1px solid rgb(45 52 61 / 0.1);
  border-radius: var(--radius-control);
  background: var(--bench-1);
}

.limit-item h3 {
  margin-bottom: 0.35rem;
  font-size: 1rem;
}

.limit-item p {
  margin: 0;
  color: var(--steel-1);
  font-size: 0.92rem;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

.guide-card {
  display: grid;
  gap: 0.7rem;
  padding: 1.1rem;
  border: 1px solid rgb(45 52 61 / 0.1);
  border-radius: var(--radius-control);
  background: var(--bench-1);
  color: var(--paper-0);
  text-decoration: none;
  transition: border-color 120ms ease-out, transform 120ms ease-out;
}

.guide-card:hover {
  border-color: rgb(255 92 31 / 0.55);
  color: var(--paper-0);
  transform: translateY(-2px);
}

.guide-card h3 {
  margin: 0;
}

.guide-card p {
  margin: 0;
  color: var(--steel-1);
  font-size: 0.92rem;
}

.guide-card time {
  color: var(--steel-2);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.faq-list {
  display: grid;
  gap: 0.7rem;
}

.faq-item {
  border: 1px solid rgb(45 52 61 / 0.1);
  border-radius: var(--radius-control);
  background: var(--bench-1);
}

.faq-item summary {
  cursor: pointer;
  padding: 0.9rem 1rem;
  font-weight: 650;
  color: var(--paper-0);
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::before {
  content: "+";
  display: inline-block;
  width: 1.4rem;
  color: var(--accent);
  font-family: var(--font-mono);
}

.faq-item[open] summary::before {
  content: "-";
}

.faq-item p {
  margin: 0;
  padding: 0 1rem 1rem 2.4rem;
  color: var(--steel-1);
}

.field {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.field label {
  color: var(--paper-0);
  font-weight: 600;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  min-height: 44px;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--steel-2);
  border-radius: var(--radius-control);
  background: var(--bench-2);
  color: var(--paper-0);
  font: inherit;
}

.field textarea {
  min-height: 140px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: var(--accent);
}

.field-error {
  color: var(--red);
  font-size: 0.86rem;
}

.notice {
  padding: 0.9rem 1rem;
  border: 1px solid rgb(255 178 36 / 0.42);
  border-radius: var(--radius-control);
  background: rgb(255 178 36 / 0.06);
  color: var(--steel-0);
  font-size: 0.92rem;
}

.notice--privacy {
  border-color: rgb(79 209 139 / 0.45);
  background: rgb(79 209 139 / 0.05);
}

.search-box {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.6rem;
  max-width: 560px;
  margin-bottom: 1.6rem;
}

.search-box input {
  min-height: 44px;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--steel-2);
  border-radius: var(--radius-control);
  background: var(--bench-2);
  color: var(--paper-0);
  font: inherit;
}

.empty-state {
  display: grid;
  place-items: center;
  min-height: 180px;
  border: 1px dashed rgb(45 52 61 / 0.16);
  border-radius: var(--radius-panel);
  color: var(--steel-1);
  text-align: center;
  padding: 1.5rem;
}

.error-message {
  padding: 0.8rem 1rem;
  border: 1px solid rgb(255 93 93 / 0.5);
  border-radius: var(--radius-control);
  background: rgb(255 93 93 / 0.1);
  color: var(--red);
}

.related-links {
  display: grid;
  gap: 0.6rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.related-links a {
  display: block;
  padding: 0.7rem 0.9rem;
  border: 1px solid rgb(45 52 61 / 0.1);
  border-radius: var(--radius-control);
  background: var(--bench-1);
  color: var(--paper-0);
  text-decoration: none;
}

.related-links a:hover {
  border-color: rgb(255 92 31 / 0.5);
}

.recovery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  margin-top: 1.6rem;
}

.recovery-grid a {
  padding: 1rem;
  border: 1px solid rgb(45 52 61 / 0.12);
  border-radius: var(--radius-control);
  background: var(--bench-1);
  color: var(--paper-0);
  text-decoration: none;
}

.recovery-grid a:hover {
  border-color: var(--accent);
}

.source-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.source-list li {
  padding: 0.55rem 0;
  border-bottom: 1px solid rgb(45 52 61 / 0.08);
}

.source-list a {
  overflow-wrap: anywhere;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
  }

  .workspace__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .site-header__inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.5rem;
    padding-block: 0.7rem;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.2rem;
  }

  .split,
  .limit-grid,
  .guide-grid,
  .recovery-grid {
    grid-template-columns: 1fr;
  }

  .layout-selector {
    grid-template-columns: 1fr;
  }

  .event-sheet__head {
    padding: 0.5rem 0.7rem;
  }

  .event-sheet__body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 0.9rem;
    padding: 0.6rem;
  }

  .event-field {
    grid-template-columns: 1fr;
    gap: 0.1rem 0.6rem;
    padding: 0.25rem 0;
    align-items: start;
  }

  .event-field__label {
    font-size: 0.68rem;
  }

  .event-field__value {
    font-size: 0.78rem;
    line-height: 1.15;
  }

  .event-actions,
  .live-region,
  .history {
    grid-column: 1 / -1;
  }

  .event-actions {
    margin-top: 0.6rem;
  }

  .event-actions .btn {
    min-height: 32px;
    padding: 0.3rem 0.7rem;
  }

  .live-region {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .keyboard {
    gap: 4px;
  }

  .keyboard__row {
    gap: 4px;
  }

  .key {
    height: clamp(22px, 6vw, 30px);
    font-size: clamp(6px, 1.4vw, 10px);
  }

  .workspace__bar {
    padding: 0.6rem 0.75rem;
  }

  .workspace__body {
    padding: 0.75rem;
  }

  .history-row {
    grid-template-columns: 48px 1fr 1fr;
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.home-hero {
  padding-block: clamp(1.4rem, 3vw, 2.4rem) clamp(2.4rem, 5vw, 4rem);
  border-bottom: 1px solid rgb(45 52 61 / 0.08);
}

.home-hero__top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 440px);
  gap: clamp(1.2rem, 3vw, 2.2rem);
  align-items: end;
}

.home-hero h1 {
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  max-width: 20ch;
  margin-bottom: 0.35em;
}

.home-hero__copy > p {
  color: var(--steel-1);
  max-width: 56ch;
  font-size: clamp(0.92rem, 1.2vw, 1.02rem);
  margin: 0;
}

.quick-test {
  margin-top: 0;
  display: grid;
  gap: 0.7rem;
  min-width: 0;
}

.quick-test label {
  color: var(--paper-0);
  font-weight: 650;
  font-size: 1.05rem;
}

.quick-test__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.6rem;
}

.quick-test select {
  min-height: 52px;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--steel-2);
  border-radius: var(--radius-control);
  background: var(--bench-2);
  color: var(--paper-0);
  font: inherit;
  font-size: 1rem;
}

.quick-test__row .btn {
  min-height: 52px;
  padding: 0.75rem 1.3rem;
}

.quick-test select:focus {
  border-color: var(--accent);
}

.home-key-preview {
  min-width: 0;
  margin-top: 1.4rem;
  border: 1px solid rgb(45 52 61 / 0.1);
  border-radius: var(--radius-panel);
  background: var(--bench-1);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
}

.home-key-preview__bar {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid rgb(45 52 61 / 0.08);
  color: var(--steel-0);
  font-size: 0.88rem;
}

.home-key-preview__bar .mono {
  margin-left: auto;
  color: var(--accent-bright);
}

.home-keyboard {
  margin: 0.9rem;
}

.home-key-preview > p {
  margin: 0;
  padding: 0 1rem 1rem;
  color: var(--steel-2);
  font-size: 0.86rem;
}

.popular-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.7rem;
}

.popular-link {
  display: grid;
  gap: 0.55rem;
  min-height: 132px;
  padding: 1rem;
  align-content: start;
  border: 1px solid rgb(45 52 61 / 0.12);
  border-radius: var(--radius-control);
  background:
    linear-gradient(145deg, rgb(255 92 31 / 0.08), transparent 52%),
    var(--bench-1);
  color: var(--paper-0);
  text-decoration: none;
  transition: border-color 140ms ease-out, transform 140ms ease-out;
}

.popular-link:hover {
  border-color: rgb(255 92 31 / 0.55);
  color: var(--paper-0);
  transform: translateY(-2px);
}

.popular-link span {
  color: var(--steel-1);
  font-size: 0.86rem;
}

.tool-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-control);
  border: 1px solid rgb(255 92 31 / 0.28);
  background:
    linear-gradient(145deg, rgb(255 92 31 / 0.18), transparent 62%),
    var(--bench-2);
  color: var(--accent-bright);
  flex-shrink: 0;
}

.tool-icon img {
  display: block;
  width: 24px;
  height: 24px;
  color: currentColor;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
  margin-top: 1.4rem;
}

.category-link {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 0.9rem;
  align-items: start;
  padding: 0.95rem 1rem;
  border: 1px solid rgb(45 52 61 / 0.1);
  border-radius: var(--radius-control);
  background: var(--bench-1);
  color: var(--paper-0);
  text-decoration: none;
  transition: border-color 140ms ease-out, background 140ms ease-out;
}

.category-link:hover {
  border-color: rgb(255 92 31 / 0.5);
  background: var(--bench-2);
}

.category-link strong {
  font-size: 0.98rem;
}

.category-link__text {
  display: grid;
  gap: 0.35rem;
  min-width: 0;
}

.category-link__text span {
  color: var(--steel-1);
  font-size: 0.88rem;
}

.principle-list {
  display: grid;
  gap: 0;
  margin-top: 1.2rem;
  border-top: 1px solid rgb(45 52 61 / 0.1);
}

.principle-row {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 1rem;
  padding: 1rem 0.2rem;
  border-bottom: 1px solid rgb(45 52 61 / 0.08);
}

.principle-row strong {
  color: var(--paper-0);
}

.principle-row span {
  color: var(--steel-1);
}

.tool-intro {
  max-width: 68ch;
}

.tool-content-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 1.2rem;
}

.tool-content-block {
  padding: 1rem;
  border: 1px solid rgb(45 52 61 / 0.1);
  border-radius: var(--radius-control);
  background: var(--bench-1);
}

.tool-content-block h3 {
  font-size: 1rem;
  margin-bottom: 0.4rem;
}

.tool-content-block p {
  margin: 0;
  color: var(--steel-1);
  font-size: 0.92rem;
}

.typing-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.typing-controls .workspace-timer {
  color: var(--paper-0);
  font-family: var(--font-mono);
  font-size: 1.1rem;
}

.typing-controls .workspace-keys {
  color: var(--steel-2);
  font-size: 0.82rem;
}

.typing-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.7rem;
  margin-top: 1rem;
}

.typing-stat {
  display: grid;
  gap: 0.2rem;
  padding: 0.8rem;
  border: 1px solid rgb(45 52 61 / 0.1);
  border-radius: var(--radius-control);
  background: var(--bench-1);
}

.typing-stat__value {
  color: var(--paper-0);
  font-family: var(--font-mono);
  font-size: 1.4rem;
  line-height: 1;
}

.typing-stat__label {
  color: var(--steel-2);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.result-panel {
  margin-top: 1rem;
  border: 1px solid rgb(255 92 31 / 0.45);
  border-radius: var(--radius-panel);
  background:
    linear-gradient(180deg, rgb(255 92 31 / 0.1), transparent 40%),
    var(--bench-1);
  padding: 1.1rem;
}

.result-panel[hidden] {
  display: none;
}

.result-panel h2 {
  margin-bottom: 0.8rem;
  font-size: 1.15rem;
}

.result-panel__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.7rem;
}

.result-panel__main,
.result-panel__cell {
  display: grid;
  gap: 0.25rem;
  padding: 0.8rem;
  border: 1px solid rgb(45 52 61 / 0.1);
  border-radius: var(--radius-control);
  background: var(--bench-2);
}

.result-panel__main {
  grid-column: 1 / -1;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 0.6rem;
}

.result-panel__value {
  color: var(--accent-bright);
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
}

.result-panel__unit {
  color: var(--steel-1);
  font-size: 0.9rem;
}

.result-panel__cell span:first-child {
  color: var(--paper-0);
  font-family: var(--font-mono);
  font-size: 1.15rem;
}

.result-panel__cell span:last-child {
  color: var(--steel-2);
  font-size: 0.76rem;
}

.result-panel__summary {
  margin: 0.8rem 0 0;
  color: var(--steel-1);
}

.result-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.result-panel__note {
  margin: 0.8rem 0 0;
  color: var(--amber);
  font-size: 0.86rem;
}

.sample-text {
  min-height: 7rem;
  max-height: 16rem;
  overflow: auto;
  padding: 1rem;
  border: 1px solid rgb(45 52 61 / 0.12);
  border-radius: var(--radius-control);
  background: var(--bench-2);
  color: var(--steel-1);
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 1.3vw, 1.05rem);
  line-height: 1.9;
  user-select: none;
}

.typed-correct {
  color: var(--green);
}

.typed-incorrect {
  color: var(--red);
  text-decoration: underline;
  text-decoration-color: var(--red);
  text-underline-offset: 3px;
}

.caret {
  display: inline-block;
  width: 2px;
  height: 1.15em;
  margin-left: 1px;
  vertical-align: text-bottom;
  background: var(--accent);
}

.workspace-input {
  width: 100%;
  min-height: 64px;
  margin-top: 0.8rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--steel-2);
  border-radius: var(--radius-control);
  background: var(--bench-2);
  color: var(--paper-0);
  font: inherit;
  resize: vertical;
}

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

.custom-test-controls {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr)) auto;
  gap: 0.7rem;
  align-items: end;
  margin-bottom: 1rem;
}

.custom-test-controls .field {
  margin: 0;
}

.duration-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.7rem;
  margin-top: 1.2rem;
}

.duration-link {
  display: grid;
  gap: 0.35rem;
  padding: 1rem;
  border: 1px solid rgb(45 52 61 / 0.12);
  border-radius: var(--radius-control);
  background: var(--bench-1);
  color: var(--paper-0);
  text-decoration: none;
  transition: border-color 140ms ease-out;
}

.duration-link:hover {
  border-color: rgb(255 92 31 / 0.55);
}

.duration-link span {
  color: var(--steel-1);
  font-size: 0.86rem;
}

.practice-meta,
.practice-hub-card {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.practice-meta {
  margin-bottom: 0.8rem;
}

.practice-hub-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.practice-hub-card {
  display: grid;
  align-content: start;
  padding: 1rem;
  border: 1px solid rgb(45 52 61 / 0.12);
  border-radius: var(--radius-control);
  background: var(--bench-1);
  color: var(--paper-0);
  text-decoration: none;
  transition: border-color 140ms ease-out;
}

.practice-hub-card:hover {
  border-color: rgb(255 92 31 / 0.55);
}

.practice-hub-card strong {
  font-size: 1rem;
}

.practice-hub-card > span:last-child {
  color: var(--steel-1);
  font-size: 0.88rem;
}

.counter-controls {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.duration-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.duration-option {
  min-height: 38px;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--steel-2);
  border-radius: var(--radius-control);
  background: var(--bench-2);
  color: var(--steel-0);
  font: inherit;
  font-size: 0.86rem;
  cursor: pointer;
}

.duration-option.active,
.duration-option[aria-pressed="true"] {
  border-color: var(--accent);
  background: rgb(255 92 31 / 0.14);
  color: var(--accent-bright);
}

.counter-key-select {
  min-width: 200px;
  margin: 0;
}

.counter-readout {
  min-height: 230px;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 1rem;
  border: 1px solid rgb(45 52 61 / 0.1);
  border-radius: var(--radius-panel);
  background:
    radial-gradient(460px 220px at 50% 0%, rgb(255 92 31 / 0.1), transparent 70%),
    var(--bench-1);
  text-align: center;
}

.counter-readout:focus {
  border-color: var(--accent);
}

.counter-readout__total {
  display: grid;
  gap: 0.2rem;
}

.counter-readout__total > span:first-child {
  color: var(--paper-0);
  font-family: var(--font-mono);
  font-size: clamp(3.4rem, 8vw, 6rem);
  line-height: 1;
}

.counter-readout__label {
  color: var(--steel-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
}

.counter-readout__metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.6rem;
}

.counter-readout__metrics div {
  display: grid;
  gap: 0.15rem;
}

.counter-readout__metrics span:first-child {
  color: var(--accent-bright);
  font-family: var(--font-mono);
  font-size: 1.4rem;
}

.counter-readout__metrics span:last-child {
  color: var(--steel-2);
  font-size: 0.78rem;
}

.counter-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.keytest-progress {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin: 0.6rem 0;
}

.keytest-progress div {
  display: grid;
  gap: 0.2rem;
  padding: 0.7rem;
  border: 1px solid rgb(45 52 61 / 0.1);
  border-radius: var(--radius-control);
  background: var(--bench-2);
}

.keytest-progress__value {
  color: var(--paper-0);
  font-family: var(--font-mono);
  font-size: 1.3rem;
}

.keytest-progress span:last-child {
  color: var(--steel-2);
  font-size: 0.76rem;
}

.key--is-tested {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

.key-count-row {
  grid-template-columns: 1fr auto;
}

@media (max-width: 1024px) {
  .home-hero__top {
    grid-template-columns: 1fr;
  }

  .popular-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .tool-content-grid,
  .practice-hub-grid,
  .duration-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .category-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .home-hero {
    padding-top: 1.2rem;
  }

  .quick-test__row {
    grid-template-columns: 1fr;
  }

  .quick-test__row .btn {
    width: 100%;
  }

  .home-key-preview__bar {
    flex-wrap: wrap;
  }

  .popular-grid,
  .tool-content-grid,
  .practice-hub-grid,
  .duration-grid,
  .typing-stats,
  .result-panel__grid,
  .counter-readout__metrics {
    grid-template-columns: 1fr;
  }

  .result-panel__main {
    grid-column: 1 / -1;
  }

  .custom-test-controls {
    grid-template-columns: 1fr 1fr;
  }

  .custom-test-controls .btn {
    grid-column: 1 / -1;
    width: 100%;
  }

  .principle-row {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }

  .category-link {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 0.7rem;
  }

  .counter-controls {
    align-items: stretch;
  }

  .counter-key-select {
    width: 100%;
  }
}