:root {
  color-scheme: light dark;
  --bg: #ebe4d8;
  --bg-deep: #ddd4c4;
  --surface: #faf7f2;
  --surface-elevated: #fffdf9;
  --ink: #141210;
  --ink-soft: #3d3830;
  --muted: #7a7267;
  --line: rgba(20, 18, 16, 0.1);
  --accent: #c43d3d;
  --accent-soft: rgba(196, 61, 61, 0.14);
  --dock: #141210;
  --dock-ink: #f6f1e8;
  --dock-muted: #a59d90;
  --radius: 1rem;
  --radius-sm: 0.65rem;
  --shadow: 0 12px 40px rgba(20, 18, 16, 0.08);
  --sans: "SF Pro Text", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --serif: "Iowan Old Style", "New York", Palatino, Georgia, serif;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --dock-pad: calc(0.75rem + var(--safe-bottom));
  --dock-height: calc(11.5rem + var(--safe-bottom));
}

* { box-sizing: border-box; }

html {
  height: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100%;
  min-height: 100dvh;
  background:
    radial-gradient(ellipse 120% 80% at 50% -20%, rgba(255, 255, 255, 0.55), transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-tap-highlight-color: transparent;
}

.app {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  max-width: 32rem;
  margin: 0 auto;
  padding-top: var(--safe-top);
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 1rem 0.35rem;
}

.brand { min-width: 0; }

.mark {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 650;
  letter-spacing: 0.02em;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.45rem;
}

.badge {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.22rem 0.5rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.45);
  color: var(--muted);
  border: 1px solid var(--line);
}

.badge[data-ready="true"] {
  color: #1a5c38;
  background: rgba(26, 92, 56, 0.1);
  border-color: rgba(26, 92, 56, 0.2);
}

.badge[data-online="false"] {
  color: #8a4b12;
  background: rgba(138, 75, 18, 0.1);
}

.icon-btn {
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-elevated);
  color: var(--ink-soft);
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: var(--shadow);
}

.status {
  margin: 0;
  padding: 0 1rem 0.65rem;
  font-size: 0.88rem;
  line-height: 1.35;
  color: var(--muted);
  min-height: 1.35rem;
}

.status[data-error="true"] { color: var(--accent); }

.stage {
  flex: 1;
  min-height: 0;
  padding: 0 0.75rem;
  padding-bottom: var(--dock-height);
}

.sheet {
  height: 100%;
  min-height: 12rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 0.15rem);
  box-shadow: var(--shadow);
  padding: clamp(1.1rem, 4vw, 1.75rem);
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

.placeholder {
  margin: 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: clamp(1.15rem, 4.5vw, 1.45rem);
  line-height: 1.55;
}

.text {
  font-family: var(--serif);
  font-size: clamp(1.2rem, 4.2vw, 1.5rem);
  line-height: 1.62;
  white-space: pre-wrap;
  outline: none;
  min-height: 4rem;
}

.pending {
  color: var(--muted);
  font-style: italic;
}

.timestamps {
  margin: 1rem 0 0;
  padding: 0.85rem 0 0;
  list-style: none;
  font-size: 0.8rem;
  color: var(--muted);
  border-top: 1px dashed var(--line);
}

.timestamps li + li { margin-top: 0.3rem; }

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

.dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  max-width: 32rem;
  margin: 0 auto;
  padding: 0.55rem 0.75rem var(--dock-pad);
  background: linear-gradient(180deg, rgba(20, 18, 16, 0) 0%, rgba(20, 18, 16, 0.06) 12%, var(--dock) 28%);
  border-radius: 1.35rem 1.35rem 0 0;
  color: var(--dock-ink);
}

.dock-lang {
  display: block;
  margin-bottom: 0.55rem;
}

.dock-lang select {
  width: 100%;
  min-height: 2.75rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  color: var(--dock-ink);
  font: inherit;
  font-size: 0.95rem;
  padding: 0.5rem 0.75rem;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath stroke='%23a59d90' stroke-width='1.5' d='m1 1 5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  padding-right: 2rem;
}

.dock-main {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: end;
  gap: 0.25rem;
}

.dock-btn {
  border: 0;
  background: transparent;
  color: var(--dock-muted);
  font: inherit;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.35rem 0.15rem 0.15rem;
  min-height: 3.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 0.25rem;
  cursor: pointer;
}

.dock-btn:disabled {
  opacity: 0.35;
  cursor: default;
}

.dock-icon {
  font-size: 1.15rem;
  line-height: 1;
  color: var(--dock-ink);
}

.dock-label { line-height: 1.1; }

.record {
  justify-self: center;
  width: 4.35rem;
  height: 4.35rem;
  margin-bottom: 0.15rem;
  border: 0;
  border-radius: 999px;
  background: var(--dock-ink);
  color: var(--dock);
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  transform: translateY(-0.35rem);
}

.record:disabled {
  opacity: 0.45;
  cursor: default;
  box-shadow: none;
}

.record-mark {
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 999px;
  background: var(--accent);
}

body.is-recording .record {
  background: var(--accent);
  box-shadow: 0 0 0 0.5rem var(--accent-soft), 0 10px 28px rgba(196, 61, 61, 0.45);
}

body.is-recording .record-mark {
  width: 1rem;
  height: 1rem;
  border-radius: 0.2rem;
  background: #fff;
}

.install-note {
  margin: 0.45rem 0 0;
  text-align: center;
  font-size: 0.72rem;
  color: var(--dock-muted);
  line-height: 1.35;
}

.upload-input { display: none; }

.sheet-dialog {
  border: 0;
  margin: 0;
  padding: 0;
  width: min(100%, 32rem);
  max-width: 100%;
  max-height: min(92dvh, 720px);
  background: transparent;
  color: var(--ink);
}

.sheet-dialog::backdrop {
  background: rgba(20, 18, 16, 0.45);
  backdrop-filter: blur(4px);
}

.sheet-dialog-wide { width: min(100%, 40rem); }

.dialog-body {
  margin: auto 0 0;
  padding: 1rem 1rem calc(1rem + var(--safe-bottom));
  background: var(--surface-elevated);
  border-radius: 1.25rem 1.25rem 0 0;
  box-shadow: 0 -8px 40px rgba(20, 18, 16, 0.15);
  max-height: inherit;
  overflow: auto;
}

@media (min-width: 640px) {
  .sheet-dialog {
    margin: auto;
    width: min(92vw, 28rem);
  }
  .dialog-body {
    margin: 0;
    border-radius: var(--radius);
    padding: 1.1rem 1.15rem 1.2rem;
  }
}

.dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.dialog-head h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 650;
}

.dialog-hint {
  margin: -0.35rem 0 0.75rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.pill-btn {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  cursor: pointer;
  min-height: 2.5rem;
}

.options-grid {
  display: grid;
  gap: 0.85rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.field textarea,
.field select,
.dock-lang select:focus-visible,
.icon-btn:focus-visible,
.dock-btn:focus-visible,
.record:focus-visible,
.pill-btn:focus-visible,
.action-row:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.field textarea,
.field select {
  font: inherit;
  letter-spacing: 0;
  text-transform: none;
  font-weight: 400;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  padding: 0.65rem 0.75rem;
  min-height: 2.75rem;
  resize: vertical;
}

.check {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  font-size: 0.95rem;
  line-height: 1.4;
  color: var(--ink-soft);
}

.check input {
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 0.15rem;
  flex-shrink: 0;
  accent-color: var(--accent);
}

.action-list {
  display: grid;
  gap: 0.45rem;
}

.action-row {
  width: 100%;
  min-height: 3rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
  text-align: left;
  padding: 0.75rem 0.9rem;
  cursor: pointer;
}

.action-row:disabled {
  opacity: 0.4;
  cursor: default;
}

.action-danger { color: var(--accent); }

.history-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 50dvh;
  overflow: auto;
}

.history-item {
  border-top: 1px solid var(--line);
  padding: 0.85rem 0;
}

.history-item:first-child { border-top: 0; padding-top: 0; }

.history-meta {
  margin: 0;
  font-size: 0.75rem;
  color: var(--muted);
}

.history-preview {
  margin: 0.35rem 0 0.55rem;
  font-family: var(--serif);
  line-height: 1.45;
}

.history-actions {
  display: flex;
  gap: 0.5rem;
}

.history-actions .pill-btn {
  min-height: 2.25rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
}

.history-empty {
  color: var(--muted);
  font-size: 0.92rem;
}

.compare-grid {
  display: grid;
  gap: 0.75rem;
}

.compare-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  background: var(--surface);
}

.compare-card h3 {
  margin: 0 0 0.45rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.compare-text {
  margin: 0;
  font-family: var(--serif);
  line-height: 1.5;
  white-space: pre-wrap;
  font-size: 0.95rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (min-width: 640px) {
  .app { max-width: 36rem; }
  .dock { max-width: 36rem; }
  .compare-grid { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .caret { animation: none; }
}

@keyframes blink {
  50% { opacity: 0; }
}