/* Theme contract: colours, type, geometry, shadows and surface treatments.
   :root is Mochi light, also the fallback when scripts/storage are unavailable. */
:root {
  color-scheme: light;
  --bg: #faf7f0;
  --paper: #fffdf9;
  --text: #424d40;
  --muted: #73786a;
  --border: #e6e6da;
  --accent: #4f6745;
  --accent-soft: #edf1e5;
  --highlight: #fbefef;
  --highlight-line: #edd0d6;
  --ornament: #a36676;
  --button-bg: var(--accent);
  --button-text: var(--paper);
  --toolbar: var(--accent-soft);
  --input-bg: var(--bg);
  --texture: none;
  --ui-font: 'Zen Maru Gothic', ui-rounded, 'Hiragino Maru Gothic ProN', sans-serif;
  --reading-font: var(--ui-font);
  --heading-font: var(--ui-font);
  --card-radius: 18px;
  --control-radius: 9px;
  --popup-radius: 15px;
  --word-radius: 5px;
  --shadow: 0 6px 24px #55533b06;
  --popup-shadow: 0 12px 40px #222a2530;
  --popup-width: 335px;
  --popup-top: 1px solid var(--border);
  --reading-size: 25px;
  --reading-leading: 2.8;
  --reading-tracking: .07em;
  --error: #aa304d;
}
:root[data-mode=dark] {
  color-scheme: dark;
  --bg: #222720;
  --paper: #2c3229;
  --text: #e5e7d9;
  --muted: #afb4a4;
  --border: #434b3d;
  --accent: #bfceaa;
  --accent-soft: #3e4b34;
  --highlight: #46363a;
  --highlight-line: #b98492;
  --ornament: #dda6b5;
  --shadow: 0 6px 24px #00000012;
  --popup-shadow: 0 12px 40px #0006;
  --error: #ffa9b5;
}
:root[data-theme=paper] {
  --bg: #f5f1e8;
  --paper: #fbf8f1;
  --text: #343b33;
  --muted: #74776b;
  --border: #d9d7c9;
  --accent: #ad4b37;
  --accent-soft: #f1e1d6;
  --highlight: #e7e8da;
  --highlight-line: var(--accent);
  --button-bg: var(--text);
  --toolbar: transparent;
  --input-bg: transparent;
  --texture: radial-gradient(#8985700a .7px, transparent .7px);
  --ui-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --reading-font: 'Shippori Mincho', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  --heading-font: Georgia, 'Times New Roman', serif;
  --card-radius: 4px;
  --control-radius: 3px;
  --popup-radius: 4px;
  --word-radius: 3px;
  --shadow: 0 3px 0 #73735c06;
  --popup-shadow: 0 14px 42px #32382c20;
  --popup-width: 360px;
  --popup-top: 3px solid var(--accent);
  --reading-leading: 2.9;
  --reading-tracking: .055em;
}
:root[data-theme=paper][data-mode=dark] {
  --bg: #222720;
  --paper: #2b3028;
  --text: #e3e3d4;
  --muted: #acaf9e;
  --border: #464c40;
  --accent: #e29479;
  --accent-soft: #49382f;
  --highlight: #3e4939;
  --popup-shadow: 0 14px 42px #0005;
}
:root[data-theme=sumi] {
  --bg: #f9f9f7;
  --paper: #ffffff;
  --text: #181b1b;
  --muted: #505958;
  --border: #c7ccca;
  --accent: #486663;
  --accent-soft: #e7eeec;
  --highlight: #e7eeec;
  --highlight-line: var(--accent);
  --button-bg: var(--text);
  --toolbar: transparent;
  --input-bg: transparent;
  --ui-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --reading-font: 'Zen Antique', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  --heading-font: var(--reading-font);
  --card-radius: 0px;
  --control-radius: 2px;
  --popup-radius: 2px;
  --word-radius: 1px;
  --shadow: none;
  --popup-shadow: 0 8px 28px #181b1b18;
  --popup-top: 2px solid var(--text);
  --popup-width: 360px;
  --reading-leading: 3;
  --reading-tracking: .04em;
}
:root[data-theme=sumi][data-mode=dark] {
  --bg: #111414;
  --paper: #191d1d;
  --text: #f6f8f7;
  --muted: #c0c9c6;
  --border: #505a57;
  --accent: #b0cec6;
  --accent-soft: #2d3b36;
  --highlight: #2d3b36;
  --popup-shadow: 0 8px 28px #0008;
}
:root[data-theme=kissaten] {
  --bg: #eee1cb;
  --paper: #fff6e6;
  --text: #493427;
  --muted: #7b604d;
  --border: #cfb79b;
  --accent: #a54032;
  --accent-soft: #f2ded0;
  --highlight: #f2ded0;
  --highlight-line: var(--accent);
  --button-bg: var(--accent);
  --button-text: #fff6e6;
  --toolbar: #ead9bd;
  --input-bg: #faf0de;
  --ui-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --reading-font: 'Kaisei Decol', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  --heading-font: 'Kaisei Decol', 'Hiragino Mincho ProN', Georgia, serif;
  --card-radius: 8px;
  --control-radius: 5px;
  --popup-radius: 6px;
  --word-radius: 3px;
  --shadow: 0 3px 0 #49342712;
  --popup-shadow: 0 12px 32px #49342730;
  --popup-top: 4px double var(--accent);
  --reading-leading: 2.9;
  --reading-tracking: .045em;
}
:root[data-theme=kissaten][data-mode=dark] {
  --bg: #241c17;
  --paper: #30251e;
  --text: #f5e6cf;
  --muted: #cbb59a;
  --border: #69513e;
  --accent: #edaa91;
  --accent-soft: #53372b;
  --highlight: #53372b;
  --button-text: #30251e;
  --toolbar: #3c2e22;
  --input-bg: #281f19;
  --shadow: 0 3px 0 #0003;
  --popup-shadow: 0 12px 32px #0006;
}

:root[data-theme=garden] {
  --bg: #f4ead8;
  --paper: #fff7e8;
  --text: #30473e;
  --muted: #5e6150;
  --border: #d5c7ac;
  --accent: #365e50;
  --accent-soft: #e2ead7;
  --highlight: #f2dfbf;
  --highlight-line: #8a6537;
  --ornament: #a8763c;
  --button-bg: var(--accent);
  --button-text: #fff7e8;
  --toolbar: #e7ebd8;
  --input-bg: #faf0dc;
  --garden-control-border: #8d7c5f;
  --garden-peach: #fae0c9;
  --garden-haze: #e6eddd;
  --garden-sky-top: #91bdb4;
  --garden-sky-bottom: #f8d6a4;
  --garden-frame: #85765c;
  --garden-wall: #e5cfab;
  --garden-desk: #a98158;
  --garden-leaf: #48725a;
  --garden-leaf-light: #769768;
  --garden-pot: #b86f52;
  --garden-ceramic: #e8b975;
  --garden-lamp: #44685d;
  --garden-glow: #ffe0a0;
  --ui-font: 'Zen Maru Gothic', ui-rounded, 'Hiragino Maru Gothic ProN', sans-serif;
  --reading-font: 'Klee One', 'Hiragino Maru Gothic ProN', 'Zen Maru Gothic', sans-serif;
  --heading-font: var(--ui-font);
  --card-radius: 20px;
  --control-radius: 10px;
  --popup-radius: 16px;
  --word-radius: 5px;
  --shadow: 0 8px 28px #916b3612;
  --popup-shadow: 0 12px 36px #684b3933;
  --popup-top: 3px solid var(--ornament);
  --reading-leading: 2.9;
  --reading-tracking: .045em;
}
:root[data-theme=garden][data-mode=dark] {
  --bg: #24213e;
  --paper: #393032;
  --text: #f8e8ce;
  --muted: #dac3a4;
  --border: #69574e;
  --accent: #bdd1a8;
  --accent-soft: #394739;
  --highlight: #554333;
  --highlight-line: #dcb376;
  --ornament: #e7b574;
  --button-text: #28362e;
  --toolbar: #343b35;
  --input-bg: #302a31;
  --garden-control-border: #a18a6c;
  --garden-peach: #513b43;
  --garden-haze: #373257;
  --garden-sky-top: #272c53;
  --garden-sky-bottom: #6b6480;
  --garden-frame: #998475;
  --garden-wall: #51424d;
  --garden-desk: #af8058;
  --garden-leaf: #66876a;
  --garden-leaf-light: #9aa374;
  --garden-pot: #bb7c60;
  --garden-ceramic: #e3b175;
  --garden-lamp: #94a58b;
  --garden-glow: #ffd28b;
  --shadow: 0 8px 28px #11102133, 0 1px 0 #e7b57418 inset;
  --popup-shadow: 0 12px 36px #11102180, 0 1px 16px #e7b57412 inset;
}
:root[data-theme=breeze] {
  --bg: #edf6fa;
  --paper: #fcfeff;
  --text: #2d4859;
  --muted: #536b7a;
  --border: #c6dce7;
  --accent: #286b8a;
  --accent-soft: #deeff7;
  --highlight: #f3ead9;
  --highlight-line: #8e7550;
  --ornament: #56829b;
  --button-bg: var(--accent);
  --button-text: #fcfeff;
  --toolbar: #eaf5fb;
  --input-bg: #f3f9fc;
  --ui-font: 'Zen Kaku Gothic New', -apple-system, BlinkMacSystemFont, 'Hiragino Kaku Gothic ProN', sans-serif;
  --reading-font: var(--ui-font);
  --heading-font: var(--ui-font);
  --card-radius: 12px;
  --control-radius: 6px;
  --popup-radius: 10px;
  --word-radius: 4px;
  --shadow: 0 8px 30px #396b8708;
  --popup-shadow: 0 12px 36px #20465e26;
  --popup-top: 2px solid var(--accent);
  --reading-leading: 2.9;
  --reading-tracking: .055em;
}
:root[data-theme=breeze][data-mode=dark] {
  --bg: #122b40;
  --paper: #19374c;
  --text: #e1f0f6;
  --muted: #aec7d5;
  --border: #3d6076;
  --accent: #9ed7ee;
  --accent-soft: #254d65;
  --highlight: #354d59;
  --highlight-line: #c5b38e;
  --ornament: #9bc6dc;
  --button-text: #163247;
  --toolbar: #1e4056;
  --input-bg: #153146;
  --shadow: 0 8px 30px #091c2a26;
  --popup-shadow: 0 12px 36px #081b2b66;
}

/* Shared layout and controls. */
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  background-image: var(--texture);
  background-size: 5px 5px;
  color: var(--text);
  font: 14px var(--ui-font);
  -webkit-font-smoothing: antialiased;
}
button, textarea, select { font: inherit; color: inherit; }
button, a, input, textarea, select { -webkit-tap-highlight-color: transparent; }
button, select { cursor: pointer; }
a { color: inherit; text-underline-offset: 3px; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
button:disabled { cursor: wait; opacity: .6; }
.app-shell { max-width: 1040px; margin: auto; padding: 0 44px; }
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap; padding: 29px 0 23px; border-bottom: 1px solid var(--border);
}
.brand {
  display: flex; gap: 10px; align-items: center; text-decoration: none;
  font: 700 25px/1.2 var(--heading-font); letter-spacing: -1px;
}
.brand-jp { display: block; font: 500 10px var(--reading-font); letter-spacing: 4px; margin: 5px 0 0 3px; }
.header-right { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.theme-picker { display: flex; gap: 8px; align-items: center; font-size: 12px; }
.theme-picker select, .theme-button {
  min-height: 36px; border: 1px solid var(--border); border-radius: var(--control-radius);
  background: var(--paper); padding: 6px 9px;
}
.theme-button { font-size: 12px; }
.theme-button > span[aria-hidden] { vertical-align: middle; font-size: 20px; margin-right: 4px; }
.intro { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 27px 0; }
.intro p { color: var(--muted); line-height: 1.8; margin: 0; max-width: 540px; }
.ornament-mochi, .ornament-paper, .ornament-garden, .ornament-breeze,
.ornament-sumi, .ornament-kissaten, .ornament-garden-mark { display: none; }
.brand-mark { width: 44px; height: 42px; flex-shrink: 0; }
[data-theme=sumi] .ornament-sumi, [data-theme=kissaten] .ornament-kissaten,
[data-theme=garden] .ornament-garden-mark { display: block; }
.sumi-enso { fill: var(--text); }
.kissaten-cup { fill: var(--highlight); stroke: var(--text); stroke-width: 1.8; stroke-linejoin: round; }
.kissaten-line { fill: none; stroke: var(--text); stroke-width: 1.8; stroke-linecap: round; }
.kissaten-steam { fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-linecap: round; }
:root:not([data-theme]) .ornament-mochi, [data-theme=mochi] .ornament-mochi { display: flex; }
.mascot { width: 63px; height: 57px; }
.intro-stamp {
  flex-shrink: 0; width: 96px; height: 96px; margin: 0 20px;
  background: var(--highlight); border: 1px dashed var(--highlight-line);
  border-radius: 47% 53% 48% 52%; transform: rotate(10deg);
  align-items: center; justify-content: center; color: var(--ornament);
}
.intro-stamp span { font-size: 15px; line-height: 1.4; letter-spacing: 1px; padding-left: 1px; }
[data-theme=paper] .ornament-paper { display: grid; }
.seal {
  place-items: center; background: var(--accent); color: var(--bg);
  font: 500 18px var(--reading-font); width: 44px; height: 46px;
  border-radius: 3px 5px 3px 6px; transform: rotate(-4deg); letter-spacing: -4px; padding-right: 4px;
}
.editor-card, .reader-card {
  background: var(--paper); border: 1px solid var(--border);
  border-radius: var(--card-radius); box-shadow: var(--shadow);
}
.card-heading, .reader-toolbar {
  display: flex; align-items: center; justify-content: space-between; padding: 20px 25px; gap: 12px;
}
h2 { font: 700 14px var(--heading-font); margin: 0; }
.text-button {
  border: 0; background: var(--highlight); color: var(--text); padding: 7px 12px;
  border-radius: var(--control-radius); font-size: 11px; white-space: nowrap;
}
textarea {
  display: block; width: calc(100% - 50px); margin: 0 25px; resize: vertical;
  min-height: 113px; max-height: 400px; border: 1px solid var(--border);
  border-radius: var(--control-radius); background: var(--input-bg); padding: 16px 18px;
  font: 14px/2.1 var(--reading-font);
}
textarea::placeholder { color: var(--muted); }
.editor-bottom { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 15px 25px 20px; }
.editor-bottom > span { font-size: 10px; color: var(--muted); }
.primary-button {
  border: 1px solid transparent; border-radius: var(--control-radius); background: var(--button-bg);
  color: var(--button-text); padding: 11px 22px; font-size: 13px; font-weight: 700;
}
.primary-button span { margin-left: 23px; }
.primary-button:hover { filter: brightness(1.12); }
.reader-card { margin-top: 24px; }
.reader-toolbar {
  border-bottom: 1px solid var(--border); border-radius: var(--card-radius) var(--card-radius) 0 0;
  background: var(--toolbar); padding-top: 17px; padding-bottom: 17px;
}
.reader-options { display: flex; gap: 12px; align-items: center; }
.size-button { font-family: Georgia, serif; border: 0; background: transparent; padding: 4px 0; font-size: 14px; }
.toolbar-divider { width: 1px; height: 18px; background: var(--border); margin: 0 2px; }
.toggle { display: flex; gap: 7px; align-items: center; font-size: 11px; cursor: pointer; position: relative; }
.toggle input { position: absolute; opacity: 0; width: 30px; height: 18px; }
.switch { width: 29px; height: 17px; border-radius: 20px; background: var(--muted); padding: 3px; transition: background .15s; }
.switch::after { content: ''; display: block; width: 11px; height: 11px; border-radius: 50%; background: var(--paper); transition: transform .15s; }
.toggle input:checked + .switch { background: var(--accent); }
.toggle input:checked + .switch::after { transform: translateX(12px); }
.toggle input:focus-visible + .switch { outline: 2px solid var(--accent); outline-offset: 4px; }
.passage {
  padding: 25px 32px 32px; font: 400 var(--reading-size)/var(--reading-leading) var(--reading-font);
  letter-spacing: var(--reading-tracking); white-space: pre-wrap; overflow-wrap: anywhere;
  line-break: strict; min-height: 200px;
}
.passage:empty { display: none; }
.paragraph { margin: 0; }
.paragraph + .paragraph { margin-top: .8em; }
.word { border-radius: var(--word-radius); cursor: pointer; padding: 5px 0; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.word:hover, .word.active, .word:focus-visible { background: var(--highlight); box-shadow: 0 2px 0 var(--highlight-line); outline: none; }
.word.particle { color: var(--muted); }
ruby { ruby-align: center; }
rt { font-size: .42em; letter-spacing: .04em; color: var(--muted); font-weight: 400; user-select: none; }
.no-ruby rt { visibility: hidden; }
.reader-bottom {
  border-top: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 15px 25px; color: var(--muted); font-size: 10px;
}
kbd { font: inherit; border: 1px solid var(--border); border-radius: var(--control-radius); padding: 1px 4px; background: var(--bg); }
.empty-state { text-align: center; padding: 48px 16px; color: var(--muted); }
.status { min-height: 18px; font-size: 12px; margin: 10px 0; color: var(--accent); }
.status.error { color: var(--error); }
footer { border-top: 1px solid var(--border); padding: 23px 0 30px; color: var(--muted); font-size: 10px; line-height: 1.9; }
footer a { text-decoration-color: var(--muted); }
.word-popup {
  position: fixed; z-index: 10; width: var(--popup-width); max-width: calc(100vw - 24px);
  max-height: 360px; overflow: auto; overscroll-behavior: contain;
  border: 1px solid var(--border); border-top: var(--popup-top); border-radius: var(--popup-radius);
  background: var(--paper); box-shadow: var(--popup-shadow); padding: 21px 23px; letter-spacing: 0;
  overflow-wrap: anywhere;
}
.popup-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.popup-surface { font: 500 24px var(--reading-font); }
.popup-close { align-self: flex-start; padding: 0 3px; background: transparent; border: 0; font-size: 21px; color: var(--muted); }
.popup-reading { color: var(--accent); font: 13px var(--reading-font); margin: 4px 0 10px; }
.popup-base { background: var(--highlight); padding: 7px 10px; border-radius: var(--control-radius); font-size: 12px; margin: 10px 0; }
.popup-entry { border-top: 1px solid var(--border); padding-top: 12px; margin-top: 12px; }
.entry-label { font-size: 10px; color: var(--accent); margin-bottom: 8px; }
.common-tag { display: inline-block; background: var(--accent-soft); padding: 2px 6px; border-radius: var(--control-radius); margin-right: 7px; }
.sense { margin: 10px 0; font-size: 13px; line-height: 1.65; }
.sense small { display: block; font-size: 10px; color: var(--muted); margin-bottom: 2px; }
.popup-note { font-size: 12px; line-height: 1.8; color: var(--muted); }

/* Small structural details that distinguish the themes beyond their tokens. */
[data-theme=paper] .brand { font-weight: 400; font-size: 27px; }
[data-theme=paper] .reader-card { background: transparent; border: 0; box-shadow: none; }
[data-theme=paper] .reader-toolbar { padding-left: 0; padding-right: 0; }
[data-theme=paper] textarea { border: 0; padding-left: 0; padding-right: 0; }
[data-theme=paper] .text-button { background: none; color: var(--accent); }
[data-theme=paper] .word-popup { padding: 16px 20px 12px; }
[data-theme=paper] .popup-surface { font-size: 27px; }
[data-theme=paper] .popup-base { background: none; padding: 0; color: var(--muted); font-size: 11px; line-height: 1.8; }
[data-theme=paper] .primary-button:hover { background: var(--accent); filter: none; }
[data-theme=sumi] .word.particle { color: var(--text); }
[data-theme=sumi] .reader-card { border-left: 0; border-right: 0; }
[data-theme=kissaten] .site-header { border-bottom: 3px double var(--accent); }
[data-theme=kissaten] h2 { font-size: 16px; }
[data-theme=garden] body {
  /* Atmosphere belongs to the page; all reading surfaces remain opaque. */
  background-image:
    radial-gradient(ellipse at 85% 0%, var(--garden-peach), transparent 65%),
    radial-gradient(ellipse at 0% 30%, var(--garden-haze), transparent 70%);
  background-size: 100% 100%;
  background-attachment: fixed;
  min-height: 100vh;
}
[data-theme=garden] .site-header { position: relative; min-height: 144px; }
[data-theme=garden] .ornament-garden {
  display: block; position: absolute; width: 180px; height: 120px;
  left: 44%; top: 12px; transform: translateX(-50%); pointer-events: none;
}
[data-theme=garden] .garden-sky-top { stop-color: var(--garden-sky-top); }
[data-theme=garden] .garden-sky-bottom { stop-color: var(--garden-sky-bottom); }
[data-theme=garden] .garden-glow-stop { stop-color: var(--garden-glow); }
[data-theme=garden] .garden-wall { fill: var(--garden-wall); }
[data-theme=garden] .garden-frame { fill: none; stroke: var(--garden-frame); stroke-width: 3; }
[data-theme=garden] .garden-desk { fill: var(--garden-desk); }
[data-theme=garden] .garden-stem { fill: none; stroke: var(--garden-leaf); stroke-width: 1.6; stroke-linecap: round; }
[data-theme=garden] .garden-leaf { fill: var(--garden-leaf); }
[data-theme=garden] .garden-leaf-light { fill: var(--garden-leaf-light); }
[data-theme=garden] .garden-pot { fill: var(--garden-pot); }
[data-theme=garden] .garden-ceramic { fill: var(--garden-ceramic); }
[data-theme=garden] .garden-lamp { fill: var(--garden-lamp); }
[data-theme=garden] .garden-night { display: none; }
[data-theme=garden][data-mode=dark] .garden-night { display: block; }
[data-theme=garden][data-mode=dark] .garden-day { display: none; }
[data-theme=garden] :is(textarea, .theme-picker select, .theme-button) { border-color: var(--garden-control-border); }
@media (max-width: 800px) {
  /* Remove the scene before it could collide with either header control. */
  [data-theme=garden] .ornament-garden { display: none; }
  [data-theme=garden] .site-header { min-height: 0; }
}
[data-theme=breeze] .ornament-breeze {
  display: block; width: 48px; height: 40px; flex-shrink: 0;
  fill: none; stroke: var(--ornament); stroke-width: 1.5; stroke-linecap: round;
}
[data-theme=breeze] .brand { letter-spacing: -.6px; }
.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; }
[hidden] { display: none !important; }
@media (max-width: 650px) {
  .app-shell { padding: 0 19px; }
  .site-header { padding: 18px 0; gap: 12px; }
  .brand { font-size: 22px; }
  .mascot { width: 50px; height: 48px; }
  .header-right { gap: 8px; }
  /* Icon-only controls so the header fits one line; the names stay for screen readers. */
  .theme-label, .mode-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
  .theme-button { min-width: 44px; min-height: 44px; padding: 0; }
  .theme-button > span[aria-hidden] { margin: 0; }
  .intro { padding: 24px 0; gap: 10px; }
  .intro p { font-size: 13px; }
  .intro-stamp { margin: 0 4px; width: 76px; height: 76px; }
  .intro-stamp span { font-size: 12px; white-space: nowrap; }
  .card-heading, .reader-toolbar { padding: 16px; }
  .text-button { font-size: 12px; padding: 8px 12px; }
  textarea { width: calc(100% - 32px); margin: 0 16px; padding: 13px; min-height: 137px; font-size: 16px; }
  .editor-bottom { padding: 13px 16px 16px; }
  .primary-button { padding: 11px 17px; font-size: 13px; }
  .editor-bottom > span { font-size: 11px; }
  .reader-toolbar { flex-wrap: wrap; gap: 14px; }
  .reader-options { margin-left: auto; }
  .passage { padding: 18px 22px 29px; font-size: calc(var(--reading-size) - 2px); }
  .reader-bottom { padding: 13px 16px; flex-wrap: wrap; gap: 7px; font-size: 11px; }
  .empty-state { padding: 37px 10px; }
  .word-popup { padding: 17px 19px; }
}
/* Touch: 44px tap areas without changing the toolbar's look; no keyboard hint. */
@media (pointer: coarse) {
  .reader-options { gap: 6px; }
  .size-button { min-width: 40px; min-height: 44px; margin-block: -10px; font-size: 15px; }
  .toggle { min-height: 44px; margin-block: -13px; padding-left: 6px; }
  .toggle input { inset: 0; width: 100%; height: 100%; margin: 0; }
}
@media (hover: none) { .keyboard-hint { display: none; } }
@media (prefers-reduced-motion: reduce) {
  *, *::after { transition: none !important; scroll-behavior: auto !important; }
}