:root {
  --bg: #14120f;
  --bg-2: #1c1915;
  --ink: #f3ead9;
  --muted: #9a8f7c;
  --line: #3a342b;
  --accent: #e8b86d;
  --left: #7ec8c3;
  --right: #e0a0a8;
  --thumb: #c4b07a;
  --hash: #6e675c;
  --down: #f4e6c3;
  --miss: #c45c4a;
  --ok: #6fbf8a;
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(1200px 500px at 10% -10%, #2a2318 0%, transparent 55%),
    var(--bg);
  color: var(--ink);
  font-family: "Zen Kaku Gothic New", sans-serif;
}

.app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 22px 64px;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
}

.eyebrow {
  margin: 0 0 4px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 11px;
  color: var(--muted);
}

h1 {
  margin: 0;
  font-family: "Shippori Mincho", serif;
  font-weight: 700;
  font-size: 42px;
  letter-spacing: 0.04em;
}

.top-meta { display: flex; gap: 8px; flex-wrap: wrap; }

.pill {
  border: 1px solid var(--line);
  background: var(--bg-2);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  color: var(--muted);
}

.pill.ok { color: var(--ok); border-color: #2e4a38; }
.pill.bad { color: var(--miss); }

.btn-pill {
  cursor: pointer;
  font-family: inherit;
}
.btn-pill.is-on {
  background: var(--accent);
  color: #1a140c;
  border-color: var(--accent);
}

.tutorial {
  margin-top: 20px;
  padding: 16px 18px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #241f18, var(--bg-2));
}
.tutorial.hidden { display: none; }

.tut-nav {
  display: flex;
  gap: 10px;
  align-items: center;
}
.tut-nav select {
  flex: 1;
  min-width: 0;
  background: #211e19;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
  font-family: inherit;
  font-size: 14px;
}

.tut-note {
  margin: 12px 0 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.tut-prompt {
  margin: 0;
  font-family: "Shippori Mincho", serif;
  font-size: 28px;
  line-height: 1.7;
  letter-spacing: 0.04em;
}
.tut-prompt .done { color: var(--ok); }
.tut-prompt .now {
  background: #3a2f1c;
  color: var(--accent);
  border-radius: 6px;
  padding: 0 4px;
  box-shadow: inset 0 -2px 0 var(--accent);
}
.tut-prompt .todo { color: var(--muted); }

.tut-step {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  margin-top: 12px;
}
.tut-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
}
.tut-stroke {
  font-family: "IBM Plex Mono", monospace;
  font-size: 22px;
  letter-spacing: 0.12em;
  color: var(--accent);
}
.tut-qwerty {
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  color: var(--left);
}
.tut-text {
  font-family: "Shippori Mincho", serif;
  font-size: 20px;
}
.tut-progress {
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--muted);
}
.tut-progress.complete { color: var(--ok); }

.key.hint {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
.key.hint .steno { color: var(--accent); }

.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

#rev-input {
  width: 100%;
  min-height: 88px;
  margin-top: 4px;
  font-size: 18px;
}

.rev-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.rev-list li {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px 10px 7px;
  min-width: 72px;
  background: #211e19;
  cursor: pointer;
}
.rev-list li.is-on {
  border-color: var(--accent);
  background: #3a2f1c;
}
.rev-list li.miss {
  border-color: #5a322c;
  cursor: default;
}
.rev-list .kana {
  display: block;
  font-family: "Shippori Mincho", serif;
  font-size: 18px;
}
.rev-list .code {
  display: block;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.08em;
}
.rev-list .qw {
  display: block;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  color: var(--muted);
}
.rev-list .n {
  font-size: 10px;
  color: var(--hash);
}

.stage {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 18px;
  margin-top: 22px;
}

@media (max-width: 840px) {
  .stage { grid-template-columns: 1fr; }
}

.output-wrap label,
.tape-head span {
  display: block;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

textarea {
  width: 100%;
  min-height: 220px;
  resize: vertical;
  background: var(--bg-2);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  font-family: "Shippori Mincho", serif;
  font-size: 22px;
  line-height: 1.7;
}

.output-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  flex-wrap: wrap;
}

button {
  font-family: inherit;
  background: var(--accent);
  color: #1a140c;
  border: 0;
  border-radius: 999px;
  padding: 8px 14px;
  font-weight: 700;
  cursor: pointer;
}

button.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

button.tiny { padding: 4px 10px; font-size: 11px; font-weight: 500; }

.hint { color: var(--muted); font-size: 12px; }

.tape {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  min-height: 220px;
}

.tape-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#tape {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 280px;
  overflow: auto;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
}

#tape li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px dashed #2c2822;
}

#tape .miss { color: var(--miss); }
#tape .undo { color: var(--hash); }

.board-wrap { margin-top: 28px; }

.board-legend {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 10px;
}

.board {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

.row {
  display: flex;
  gap: 8px;
}

.key {
  width: 64px;
  height: 58px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #211e19;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: transform 0.05s ease, background 0.05s ease, border-color 0.05s;
}

.key .steno {
  font-family: "IBM Plex Mono", monospace;
  font-weight: 600;
  font-size: 16px;
}

.key .qwerty {
  font-size: 10px;
  color: var(--muted);
  margin-top: 2px;
}

.key.left .steno { color: var(--left); }
.key.right .steno { color: var(--right); }
.key.thumb .steno { color: var(--thumb); }
.key.hash .steno { color: var(--hash); }
.key.gap {
  visibility: hidden;
}

.key.down {
  background: var(--down);
  border-color: var(--accent);
  transform: translateY(2px);
}

.key.down .steno,
.key.down .qwerty { color: #1a140c; }

.live {
  text-align: center;
  font-family: "IBM Plex Mono", monospace;
  letter-spacing: 0.18em;
  color: var(--accent);
  min-height: 1.4em;
  margin: 14px 0 0;
}

.help {
  margin-top: 28px;
  color: var(--muted);
  font-size: 14px;
}

details {
  border-top: 1px solid var(--line);
  padding: 10px 0;
}

summary { cursor: pointer; color: var(--ink); }

kbd {
  font-family: "IBM Plex Mono", monospace;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 0 5px;
  background: #211e19;
}

pre.map {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 12px;
  overflow: auto;
  color: var(--ink);
}

.disclaimer {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}
.disclaimer p { margin: 0; }