:root {
  --paper: #f4f0e7;
  --paper-deep: #e9e2d4;
  --ink: #232321;
  --muted: #746f66;
  --line: rgba(35, 35, 33, 0.15);
  --clay: #e65f3f;
  --sage: #66785e;
  --butter: #e6b94f;
  --night: #243146;
  --theme: var(--clay);
  --theme-ink: #fffaf2;
  --display: "Bodoni 72", Didot, "Iowan Old Style", Georgia, serif;
  --sans: "Avenir Next", Avenir, "Gill Sans", sans-serif;
  --caption-serif: "Iowan Old Style", "AppleMyungjo", "Noto Serif KR", Georgia, serif;
  --page-side-inset: 12%;
  --page-ratio: 1 / 1;
  --page-ratio-value: 1;
  color-scheme: light;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body { min-height: 100%; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 82% 8%, rgba(230, 185, 79, 0.18), transparent 28rem),
    linear-gradient(135deg, #f8f5ee 0%, var(--paper) 56%, #eee6d8 100%);
  font-family: var(--sans);
}

body.editing { height: 100dvh; overflow: hidden; }

body[data-theme="sage"] { --theme: var(--sage); }
body[data-theme="butter"] { --theme: var(--butter); --theme-ink: #2e2b21; }
body[data-theme="ink"] { --theme: var(--night); }
body[data-book-style="journal"] { --page-surface: #f4ead5; }
body[data-book-style="gallery"] { --page-surface: #ffffff; }
body[data-book-style="editorial"] { --page-surface: #fffdf8; }

button, input, textarea { font: inherit; }
button { color: inherit; }

.app-header {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4vw;
  border-bottom: 1px solid var(--line);
  background: rgba(248, 245, 238, 0.78);
  backdrop-filter: blur(16px);
  position: relative;
  z-index: 20;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border: 0;
  background: transparent;
  cursor: pointer;
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 700;
}

.brand-mark { display: flex; align-items: flex-end; gap: 2px; transform: rotate(-4deg); }
.brand-mark i { display: block; width: 7px; border-radius: 1px; background: var(--theme); }
.brand-mark i:nth-child(1) { height: 22px; }
.brand-mark i:nth-child(2) { height: 19px; opacity: 0.75; }
.brand-mark i:nth-child(3) { height: 16px; opacity: 0.5; }

.header-actions { display: flex; align-items: center; gap: 10px; }
.save-status { color: var(--muted); font-size: 0.75rem; margin-right: 8px; }

.button, .icon-button, .round-button, .tool-button, .text-button, .template-options button, .ratio-options button, .cover-design-options button, .cover-photo-picker button, .book-style-options button, .paper-format-options button, .theme-options button {
  border: 0;
  cursor: pointer;
}

.button {
  min-height: 46px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 650;
  letter-spacing: 0.01em;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover:not(:disabled) { transform: translateY(-2px); }
.button:disabled { opacity: 0.4; cursor: not-allowed; }
.button.primary { color: var(--theme-ink); background: var(--theme); box-shadow: 0 10px 24px color-mix(in srgb, var(--theme) 24%, transparent); }
.button.ink { color: #fff; background: var(--ink); }
.button.ghost { background: transparent; border: 1px solid var(--line); }
.button.compact { min-height: 38px; padding: 0 16px; font-size: 0.8rem; }
.button.wide { width: 100%; }

.welcome {
  min-height: calc(100vh - 72px);
  padding: clamp(54px, 7vw, 108px) 7vw 36px;
  display: grid;
  grid-template-columns: minmax(310px, 0.92fr) minmax(420px, 1.08fr);
  grid-template-rows: 1fr auto;
  gap: 48px 6vw;
  overflow: hidden;
}

.welcome-copy { align-self: center; position: relative; z-index: 3; animation: rise-in 700ms both; }
.eyebrow { margin: 0 0 18px; text-transform: uppercase; letter-spacing: 0.18em; font-weight: 750; font-size: 0.68rem; color: var(--theme); }
.welcome h1 { margin: 0; max-width: 680px; font-family: var(--display); font-size: clamp(3.8rem, 6.6vw, 7.3rem); line-height: 0.83; letter-spacing: -0.055em; font-weight: 500; }
.welcome h1 em { color: var(--theme); font-weight: 400; }
.welcome-description { max-width: 510px; margin: 30px 0; color: #565149; font-size: clamp(1rem, 1.3vw, 1.18rem); line-height: 1.65; }
.welcome-actions { width: fit-content; display: flex; align-items: center; gap: 22px; padding: 12px 16px 12px 12px; border: 1px dashed color-mix(in srgb, var(--theme) 38%, var(--line)); border-radius: 26px; background: rgba(255,255,255,.34); transition: border-color 180ms ease, background 180ms ease, box-shadow 180ms ease; }
.welcome-actions.drop-ready { border-color: var(--theme); background: color-mix(in srgb, var(--theme) 9%, #fff); box-shadow: 0 12px 30px color-mix(in srgb, var(--theme) 16%, transparent); }
.drop-instructions { display: flex; flex-direction: column; gap: 2px; }
.drop-instructions strong { font-family: var(--display); font-size: .86rem; }
.drop-instructions span { color: var(--muted); font-size: 0.63rem; line-height: 1.5; }

.sample-scene { min-height: 570px; position: relative; animation: rise-in 800ms 100ms both; }
.sun-shape { position: absolute; width: min(40vw, 550px); aspect-ratio: 1; border-radius: 50%; background: #efc561; top: -9%; right: -7%; opacity: 0.72; }
.sample-book { width: min(25vw, 340px); aspect-ratio: 0.76; position: absolute; box-shadow: 0 34px 60px rgba(64, 51, 36, 0.23); }
.sample-back { left: 5%; top: 3%; padding: 36px; transform: rotate(-9deg); background: var(--theme); color: var(--theme-ink); }
.sample-back p { margin: 0; font-family: var(--display); font-size: clamp(2.1rem, 3.5vw, 4.4rem); line-height: 0.82; }
.sample-back span, .sample-front > span { position: absolute; bottom: 28px; left: 32px; letter-spacing: 0.15em; font-size: 0.57rem; }
.sample-front { right: 6%; top: 18%; padding: 16px 16px 70px; transform: rotate(7deg); background: #fffaf1; }
.sample-front > p { margin: 18px 10px 0; font-family: var(--display); font-size: clamp(1.65rem, 2.3vw, 3rem); line-height: 0.85; }
.sample-photo { height: 62%; overflow: hidden; position: relative; background: #b7d0d3; }
.sample-sky { position: absolute; inset: 0; background: linear-gradient(#8db9c6, #e4c78e); }
.sample-hill { position: absolute; width: 130%; height: 52%; border-radius: 50% 50% 0 0; bottom: -14%; left: -18%; background: #66785e; transform: rotate(-8deg); }
.sample-hill.two { background: #394b3d; bottom: -29%; left: 18%; transform: rotate(8deg); }
.sample-sun { position: absolute; width: 38px; height: 38px; border-radius: 50%; background: #f4da86; top: 20%; right: 18%; }
.scribble { position: absolute; right: 1%; bottom: 12%; color: var(--theme); font-family: "Bradley Hand", cursive; font-size: 1.25rem; transform: rotate(-8deg); }

.welcome-foot { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, auto) 1fr; gap: clamp(24px, 5vw, 80px); align-items: end; padding-top: 24px; border-top: 1px solid var(--line); }
.welcome-foot div { display: flex; align-items: flex-start; gap: 12px; }
.welcome-foot strong { color: var(--theme); font-family: var(--display); font-size: 1.4rem; font-style: italic; }
.welcome-foot span { color: #5f5b53; font-size: 0.72rem; line-height: 1.4; }
.welcome-foot > p { justify-self: end; color: var(--muted); font-size: 0.7rem; }

.workspace { height: calc(100dvh - 72px); min-height: 0; display: grid; grid-template-columns: 220px minmax(480px, 1fr) 300px; overflow: hidden; }
.page-rail, .inspector { background: rgba(250, 247, 240, 0.72); }
.page-rail { min-height: 0; border-right: 1px solid var(--line); padding: 24px 16px; overflow: hidden; display: flex; flex-direction: column; }
.rail-heading { display: flex; align-items: center; justify-content: space-between; padding: 0 6px 20px; }
.rail-heading div { display: flex; flex-direction: column; gap: 4px; }
.rail-heading span, .panel-label { font-size: 0.62rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted); }
.rail-heading strong { font-family: var(--display); font-size: 1.05rem; }
.icon-button { width: 34px; height: 34px; border-radius: 50%; background: #fff; border: 1px solid var(--line); font-size: 1.15rem; }
.page-list { flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior: contain; scrollbar-gutter: stable; display: flex; flex-direction: column; gap: 14px; padding: 2px 4px 40px; }
.page-thumb { display: grid; grid-template-columns: 26px 1fr; align-items: center; gap: 8px; width: 100%; padding: 0; border: 0; background: none; text-align: left; cursor: pointer; }
.page-thumb:focus-visible { outline: 2px solid var(--theme); outline-offset: 3px; }
.page-thumb > span { color: var(--muted); font-family: var(--display); font-size: 0.72rem; text-align: center; }
.thumb-sheet { aspect-ratio: var(--page-ratio); padding: 0; background: #fff; box-shadow: 0 4px 12px rgba(50, 43, 32, 0.08); border: 2px solid transparent; transition: border 160ms ease, transform 160ms ease; overflow: hidden; position: relative; }
.page-thumb:hover .thumb-sheet { transform: translateY(-2px); }
.page-thumb.active .thumb-sheet { border-color: var(--theme); }
.thumb-page-preview { position: absolute; left: 0; top: 0; display: block; overflow: visible; background: var(--page-surface); pointer-events: none; transform: scale(var(--thumb-scale, 0.25)); transform-origin: left top; }
.thumb-page-preview .book-page { width: 100%; height: 100%; max-width: none; box-shadow: none; }

.stage { height: 100%; min-height: 0; padding: 26px 3vw 24px; display: flex; flex-direction: column; align-items: center; min-width: 0; overflow: hidden; }
.stage-topline { width: min(100%, 620px); display: flex; justify-content: space-between; color: var(--muted); font-size: 0.68rem; margin-bottom: 20px; }
.stage-topline span:first-child { color: var(--ink); font-weight: 700; }
.page-stage { width: min(100%, 620px); flex: 1; display: grid; place-items: center; min-height: 0; perspective: 1200px; }
.book-page { width: min(100%, 540px, calc((100dvh - 214px) * var(--page-ratio-value))); max-width: 540px; aspect-ratio: var(--page-ratio); container-type: inline-size; background: var(--page-surface); box-shadow: 0 25px 70px rgba(55, 45, 32, 0.16); position: relative; overflow: hidden; }
.book-cover { background: var(--theme); color: var(--theme-ink); display: flex; flex-direction: column; }
.cover-copy { padding: clamp(30px, 5vw, 62px); display: flex; flex: 1; flex-direction: column; position: relative; z-index: 2; }
.cover-kicker { text-transform: uppercase; letter-spacing: 0.2em; font-size: 0.6rem; opacity: 0.75; }
.cover-title { margin: auto 0 12px; font-family: var(--display); font-size: clamp(3rem, 6vw, 5.4rem); line-height: 0.82; letter-spacing: -0.045em; overflow-wrap: anywhere; }
.cover-subtitle { margin: 0 0 auto; font-family: var(--display); font-style: italic; font-size: 1.2rem; opacity: 0.82; }
.cover-footer { display: flex; justify-content: space-between; align-items: end; text-transform: uppercase; letter-spacing: 0.13em; font-size: 0.56rem; }
.cover-rule { width: 38px; height: 2px; background: currentColor; opacity: 0.65; }
.cover-window, .cover-frame, .cover-collage { display: grid; grid-template-rows: minmax(0, 58fr) minmax(0, 42fr); }
.cover-window .cover-copy, .cover-frame .cover-copy, .cover-collage .cover-copy { grid-row: 2; min-height: 0; padding: clamp(16px, 4.8cqw, 34px) clamp(24px, 8cqw, 54px) clamp(18px, 5cqw, 36px); }
.cover-window .cover-title, .cover-frame .cover-title, .cover-collage .cover-title { margin: auto 0 7px; font-size: clamp(1.7rem, 9cqw, 4rem); line-height: 0.9; }
.cover-window .cover-subtitle, .cover-frame .cover-subtitle, .cover-collage .cover-subtitle { margin: 0; font-size: clamp(0.8rem, 3.2cqw, 1.2rem); }
.cover-window .cover-footer, .cover-frame .cover-footer, .cover-collage .cover-footer { margin-top: auto; }
.cover-photo-frame { min-width: 0; min-height: 0; overflow: hidden; position: relative; border: 0; padding: 0; background: color-mix(in srgb, var(--theme) 25%, #ddd); cursor: grab; touch-action: none; }
.cover-photo-frame:active { cursor: grabbing; }
.cover-photo-frame img { width: 100%; height: 100%; object-fit: cover; object-position: var(--crop-x) var(--crop-y); display: block; transform: translate(var(--pan-x), var(--pan-y)) scale(var(--zoom)); transition: transform 160ms ease, object-position 160ms ease; pointer-events: none; }
.cover-photo-frame.selected { outline: 3px solid var(--theme-ink); outline-offset: -5px; }
.cover-photo-frame.selected::after { content: "Drag to reposition"; position: absolute; left: 50%; bottom: 10px; transform: translateX(-50%); padding: 6px 10px; border-radius: 999px; background: rgba(28, 27, 24, 0.78); color: #fff; font: 700 0.58rem var(--sans); white-space: nowrap; pointer-events: none; }
.cover-photo-frame.dragging img { transition: none; }
.cover-photo-frame.dragging::after { opacity: 0; }
.cover-window-photo { grid-row: 1; margin: var(--page-side-inset) var(--page-side-inset) clamp(8px, 2cqw, 16px); border: clamp(4px, 1.4cqw, 8px) solid color-mix(in srgb, var(--theme-ink) 88%, transparent); }
.cover-frame { background: color-mix(in srgb, var(--theme) 82%, #fff); }
.cover-frame-photo { grid-row: 1; margin: var(--page-side-inset) var(--page-side-inset) clamp(8px, 2cqw, 14px); padding: clamp(7px, 1.8cqw, 11px) clamp(7px, 1.8cqw, 11px) clamp(20px, 5cqw, 34px); background: #fffdf8; box-shadow: 0 13px 30px rgba(20, 18, 15, 0.24); transform: rotate(-1.5deg); }
.cover-collage-media { grid-row: 1; min-height: 0; display: grid; gap: 0; background: var(--theme); }
.cover-collage-media.layout-duo-columns { grid-template: 1fr / repeat(2, minmax(0, 1fr)); }
.cover-collage-media.layout-duo-rows { grid-template: repeat(2, minmax(0, 1fr)) / 1fr; }
.cover-collage-media.layout-trio-top, .cover-collage-media.layout-trio-bottom { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cover-collage-media.layout-trio-top { grid-template-rows: 45fr 55fr; }
.cover-collage-media.layout-trio-top .slot-1 { grid-column: 1 / -1; }
.cover-collage-media.layout-trio-bottom { grid-template-rows: 55fr 45fr; }
.cover-collage-media.layout-trio-bottom .slot-3 { grid-column: 1 / -1; }
.cover-collage-media.layout-trio-left, .cover-collage-media.layout-trio-right { grid-template-rows: repeat(2, minmax(0, 1fr)); }
.cover-collage-media.layout-trio-left { grid-template-columns: 48fr 52fr; }
.cover-collage-media.layout-trio-left .slot-1 { grid-row: 1 / -1; }
.cover-collage-media.layout-trio-right { grid-template-columns: 52fr 48fr; }
.cover-collage-media.layout-trio-right .slot-3 { grid-column: 2; grid-row: 1 / -1; }
.cover-collage-media.count-1 { grid-template: 1fr / 1fr; }
.cover-collage-photo { width: 100%; height: 100%; }
.cover-collage .cover-kicker { display: none; }

.photo-page { padding: 0 !important; background: var(--page-surface); }
.photo-grid { position: absolute; left: 50%; transform: translateX(-50%); display: grid; align-items: stretch; justify-items: stretch; gap: clamp(7px, 1.4vw, 13px); min-height: 0; }
.template-single .photo-grid { grid-template: 1fr / 1fr; }
.template-single .photo-frame, .template-duo .photo-frame, .template-trio .photo-frame { width: 100%; height: 100%; max-width: none; max-height: none; aspect-ratio: auto; }
.layout-duo-columns .photo-grid { grid-template: 1fr / repeat(2, minmax(0, 1fr)); }
.layout-duo-rows .photo-grid { grid-template: repeat(2, minmax(0, 1fr)) / 1fr; }
.layout-trio-top .photo-grid, .layout-trio-bottom .photo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.layout-trio-top .photo-grid { grid-template-rows: 45fr 55fr; }
.layout-trio-top .slot-1 { grid-column: 1 / -1; grid-row: 1; }
.layout-trio-top .slot-2 { grid-column: 1; grid-row: 2; }
.layout-trio-top .slot-3 { grid-column: 2; grid-row: 2; }
.layout-trio-bottom .photo-grid { grid-template-rows: 55fr 45fr; }
.layout-trio-bottom .slot-1 { grid-column: 1; grid-row: 1; }
.layout-trio-bottom .slot-2 { grid-column: 2; grid-row: 1; }
.layout-trio-bottom .slot-3 { grid-column: 1 / -1; grid-row: 2; }
.layout-trio-left .photo-grid, .layout-trio-right .photo-grid { grid-template-rows: repeat(2, minmax(0, 1fr)); }
.layout-trio-left .photo-grid { grid-template-columns: 48fr 52fr; }
.layout-trio-left .slot-1 { grid-column: 1; grid-row: 1 / -1; }
.layout-trio-left .slot-2 { grid-column: 2; grid-row: 1; }
.layout-trio-left .slot-3 { grid-column: 2; grid-row: 2; }
.layout-trio-right .photo-grid { grid-template-columns: 52fr 48fr; }
.layout-trio-right .slot-1 { grid-column: 1; grid-row: 1; }
.layout-trio-right .slot-2 { grid-column: 1; grid-row: 2; }
.layout-trio-right .slot-3 { grid-column: 2; grid-row: 1 / -1; }
.photo-frame { overflow: hidden; min-width: 0; min-height: 0; max-width: 100%; max-height: 100%; aspect-ratio: var(--frame-ratio); position: relative; background: #ede8de; border: 0; padding: 0; }
.photo-frame.fit-width { width: 100%; height: auto; }
.photo-frame.fit-height { width: auto; height: 100%; }
.photo-frame img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: var(--crop-x) var(--crop-y); transform: translate(var(--pan-x), var(--pan-y)) scale(var(--zoom)); transition: transform 160ms ease, object-position 160ms ease; pointer-events: none; }
.photo-frame.selected { outline: 3px solid var(--theme); outline-offset: 4px; }
.photo-frame.selected::after { content: "Drag to reposition"; position: absolute; left: 50%; bottom: 10px; transform: translateX(-50%); padding: 6px 10px; border-radius: 999px; background: rgba(28, 27, 24, 0.78); color: #fff; font: 700 0.58rem var(--sans); letter-spacing: 0.02em; white-space: nowrap; pointer-events: none; }
.photo-frame:not(.empty) { cursor: grab; touch-action: none; }
.photo-frame:not(.empty):active { cursor: grabbing; }
.photo-frame.dragging img { transition: none; }
.photo-frame.dragging::after { opacity: 0; }
.photo-frame.empty { display: grid; place-items: center; border: 1px dashed color-mix(in srgb, var(--theme) 45%, transparent); background: color-mix(in srgb, var(--theme) 7%, #fff); color: var(--muted); font-size: 0.7rem; }
.photo-frame.empty:hover { color: var(--theme); background: color-mix(in srgb, var(--theme) 12%, #fff); }
.photo-caption { position: absolute; left: var(--page-side-inset); right: var(--page-side-inset); top: var(--caption-top); bottom: var(--caption-bottom); min-height: 0; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: start; gap: 22px; padding: 0; }
.photo-caption p { min-width: 0; margin: 0; font-family: var(--caption-serif); font-size: clamp(0.68rem, 3.25cqw, 1rem); font-weight: 400; line-height: 1.48; letter-spacing: 0.005em; white-space: pre-wrap; overflow-wrap: anywhere; word-break: keep-all; }
.photo-caption span { align-self: end; color: var(--muted); font-family: var(--display); font-size: 0.68rem; font-style: italic; white-space: nowrap; }
body[data-book-style="journal"] .photo-frame:not(.empty) { padding: 8px 8px 28px; background: #fff; box-shadow: 0 5px 16px rgba(60, 48, 31, 0.13); transform: rotate(-0.7deg); }
body[data-book-style="journal"] .photo-frame:nth-child(even) { transform: rotate(1deg); }
body[data-book-style="journal"] .photo-page .photo-frame { transform: none; }
body[data-book-style="journal"] .photo-caption p { font-family: "Bradley Hand", "AppleMyungjo", "Noto Serif KR", cursive; color: #3d4b58; font-size: clamp(0.72rem, 3.35cqw, 1.04rem); line-height: 1.45; }
body[data-book-style="journal"] .cover-subtitle { font-family: "Bradley Hand", var(--display); letter-spacing: -0.02em; }
body[data-book-style="gallery"] .photo-page { padding: 4%; }
body[data-book-style="gallery"] .photo-grid { gap: 4px; }
body[data-book-style="gallery"] .photo-caption { padding: 0 4px; }
body[data-book-style="gallery"] .photo-caption p { font-family: var(--sans); font-size: clamp(0.66rem, 2.9cqw, 0.88rem); font-weight: 700; line-height: 1.45; letter-spacing: 0.07em; text-transform: uppercase; }
body[data-book-style="gallery"] .cover-title { font-family: var(--sans); font-weight: 750; letter-spacing: -0.06em; }
.page-navigation { display: flex; align-items: center; gap: 20px; padding-top: 18px; color: var(--muted); font-family: var(--display); font-style: italic; font-size: 0.8rem; }
.round-button { width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,0.7); border: 1px solid var(--line); }
.round-button:disabled { opacity: 0.25; cursor: not-allowed; }

.inspector { height: 100%; min-height: 0; border-left: 1px solid var(--line); padding: 6px 24px 24px; display: flex; flex-direction: column; overflow-y: auto; overscroll-behavior: contain; scrollbar-gutter: stable; }
.inspector-section { padding: 23px 0; border-bottom: 1px solid var(--line); }
.panel-label { margin: 0 0 16px; font-weight: 750; }
.panel-label.sub-label { margin-top: 24px; }
.inspector label { display: block; color: var(--muted); font-size: 0.65rem; margin-top: 14px; }
.inspector input, .inspector textarea { width: 100%; margin-top: 6px; border: 1px solid var(--line); border-radius: 8px; background: rgba(255,255,255,0.72); color: var(--ink); padding: 10px 11px; outline: none; resize: vertical; }
.field-hint { display: block; margin-top: 6px; color: var(--muted); font-size: 0.56rem; line-height: 1.4; }
.inspector input:focus, .inspector textarea:focus { border-color: var(--theme); box-shadow: 0 0 0 3px color-mix(in srgb, var(--theme) 12%, transparent); }
.template-options, .cover-design-options { display: grid; gap: 7px; }
.template-options { grid-template-columns: repeat(3, 1fr); margin-bottom: 10px; }
.layout-cycle-hint { margin: -2px 0 10px; color: var(--muted); font-size: 0.59rem; line-height: 1.4; text-align: center; }
.cover-design-options { grid-template-columns: repeat(4, 1fr); }
.template-options button, .cover-design-options button { padding: 6px 4px 8px; border-radius: 8px; background: transparent; font-size: 0.59rem; }
.template-options button[aria-pressed="true"], .cover-design-options button[aria-pressed="true"] { background: #fff; box-shadow: 0 3px 12px rgba(50,42,30,0.1); }
.template-swatch, .cover-swatch { display: block; height: 48px; margin-bottom: 6px; border: 1px solid var(--line); background: #fff; position: relative; overflow: hidden; }
.template-swatch::before, .template-swatch::after { content: ""; position: absolute; background: #a8bfc1; }
.template-swatch.single::before { inset: 6px; }
.template-swatch.duo::before { inset: 6px 52% 6px 6px; }
.template-swatch.duo::after { inset: 6px 6px 6px 52%; }
.template-swatch.trio::before { inset: 6px 6px 52%; }
.template-swatch.trio::after { inset: 52% 6px 6px; background: linear-gradient(90deg, #a8bfc1 0 48%, transparent 48% 52%, #a8bfc1 52%); }
.composition-controls { margin-top: 19px; padding-top: 2px; }
.composition-heading { display: flex; align-items: baseline; justify-content: space-between; }
.composition-heading .sub-label { margin-bottom: 12px; }
.composition-heading span { color: var(--theme); font-size: 0.6rem; font-weight: 700; }
.cover-photo-composition { margin-top: 20px; padding-top: 1px; border-top: 1px solid var(--line); }
.cover-photo-picker { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 7px; margin-top: 12px; max-height: 150px; overflow-y: auto; }
.cover-photo-picker button { aspect-ratio: 1; position: relative; padding: 0; border-radius: 7px; overflow: hidden; background: #e7e0d3; border: 2px solid transparent; }
.cover-photo-picker button[aria-pressed="true"] { border-color: var(--theme); box-shadow: 0 0 0 2px #fff inset; }
.cover-photo-picker button.used { opacity: 0.58; }
.cover-photo-picker img { width: 100%; height: 100%; display: block; object-fit: cover; }
.cover-photo-picker span { position: absolute; right: 3px; bottom: 3px; min-width: 15px; height: 15px; display: grid; place-items: center; border-radius: 50%; background: rgba(28,27,24,.78); color: #fff; font-size: 0.5rem; }
.cover-photo-picker span:empty { display: none; }
.drag-guidance { display: flex; flex-direction: column; gap: 3px; margin: 14px 0 2px; padding: 11px 12px; border-radius: 9px; background: color-mix(in srgb, var(--theme) 9%, #fff); color: var(--ink); font-size: 0.65rem; }
.drag-guidance span { color: var(--muted); font-size: 0.58rem; }
.ratio-options { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.ratio-options[hidden] { display: none; }
.fixed-frame-note { margin: 2px 0 0; padding: 10px 11px; border-radius: 8px; background: color-mix(in srgb, var(--theme) 9%, #fff); color: var(--muted); font-size: 0.61rem; line-height: 1.45; }
.ratio-options button { min-height: 58px; padding: 6px 2px; border-radius: 7px; background: transparent; display: grid; place-items: center; align-content: center; gap: 4px; font-size: 0.55rem; }
.ratio-options button[aria-pressed="true"] { background: #fff; box-shadow: 0 3px 10px rgba(50,42,30,0.11); color: var(--theme); }
.ratio-options button:disabled { opacity: 0.35; cursor: not-allowed; }
.ratio-options i { display: block; background: #a8bfc1; border: 1px solid rgba(35,35,33,.18); }
.ratio-options button[data-ratio="1:1"] i { width: 28px; height: 28px; }
.ratio-options button[data-ratio="2:3"] i { width: 20px; height: 30px; }
.ratio-options button[data-ratio="3:4"] i { width: 23px; height: 30px; }
.ratio-options button[data-ratio="9:16"] i { width: 17px; height: 30px; }
.ratio-options button[data-ratio="3:2"] i { width: 32px; height: 21px; }
.ratio-options button[data-ratio="4:3"] i { width: 32px; height: 24px; }
.ratio-options button[data-ratio="16:9"] i { width: 32px; height: 18px; }
.range-control { display: grid !important; grid-template-columns: 1fr auto; align-items: center; gap: 3px 10px; }
.range-control output { color: var(--ink); font-size: 0.58rem; }
.range-control input { grid-column: 1 / -1; margin: 0 !important; padding: 0 !important; border: 0 !important; box-shadow: none !important; accent-color: var(--theme); }
.cover-swatch { background: var(--theme); }
.cover-swatch.classic::after { content: "Aa"; position: absolute; left: 7px; bottom: 6px; color: var(--theme-ink); font: 700 0.72rem var(--display); }
.cover-swatch.window::after { content: ""; position: absolute; inset: 7px 7px 20px; background: #a8bfc1; border: 2px solid #fff; }
.cover-swatch.frame::after { content: ""; position: absolute; inset: 12px 9px 10px; background: #a8bfc1; border: 3px solid #fff; transform: rotate(-3deg); }
.cover-swatch.collage::after { content: ""; position: absolute; inset: 0 0 19px; background: linear-gradient(90deg, #a8bfc1 0 49%, #d9c38d 49%); }
.book-style-options { display: grid; gap: 7px; }
.book-style-options button { min-height: 56px; padding: 7px; border-radius: 9px; background: transparent; display: grid; grid-template-columns: 44px 1fr; align-items: center; gap: 9px; text-align: left; }
.book-style-options button[aria-pressed="true"] { background: #fff; box-shadow: 0 3px 12px rgba(50,42,30,0.1); }
.book-style-options span { display: flex; flex-direction: column; gap: 2px; }
.book-style-options strong { font-size: 0.68rem; }
.book-style-options small { color: var(--muted); font-size: 0.57rem; }
.book-style-swatch { width: 44px; height: 42px; display: grid; place-items: center; border: 1px solid var(--line); background: #fffdf8; font: 700 1rem var(--display); }
.book-style-swatch.journal { background: #f4ead5; font-family: "Bradley Hand", cursive; transform: rotate(-2deg); }
.book-style-swatch.gallery { background: #252a31; color: #fff; font-family: var(--sans); }
.paper-format-summary { margin: -4px 0 12px; color: var(--theme); font-size: 0.65rem; font-weight: 700; }
.paper-format-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; }
.paper-format-options button { min-height: 54px; padding: 8px; border-radius: 9px; background: rgba(255,255,255,0.42); border: 1px solid transparent; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 2px; text-align: left; }
.paper-format-options button[aria-pressed="true"] { background: #fff; border-color: color-mix(in srgb, var(--theme) 45%, transparent); box-shadow: 0 3px 12px rgba(50,42,30,0.1); }
.paper-format-options strong { font-family: var(--display); font-size: 0.85rem; }
.paper-format-options small { color: var(--muted); font-size: 0.52rem; line-height: 1.25; }
.theme-options { display: flex; gap: 11px; }
.theme-options button { width: 31px; height: 31px; border-radius: 50%; border: 3px solid transparent; box-shadow: 0 0 0 1px var(--line); }
.theme-options button[aria-pressed="true"] { border-color: #fff; box-shadow: 0 0 0 2px var(--ink); }
.theme-options button[data-theme-choice="clay"] { background: var(--clay); }
.theme-options button[data-theme-choice="sage"] { background: var(--sage); }
.theme-options button[data-theme-choice="butter"] { background: var(--butter); }
.theme-options button[data-theme-choice="ink"] { background: var(--night); }
.tool-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 14px; }
.tool-row.page-actions { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.tool-button { padding: 9px 5px; border-radius: 7px; border: 1px solid var(--line); background: rgba(255,255,255,0.65); font-size: 0.68rem; }
.tool-button.add-to-page { width: 100%; margin-bottom: 4px; color: var(--theme); border-color: color-mix(in srgb, var(--theme) 35%, transparent); }
.tool-button:disabled { opacity: 0.52; cursor: not-allowed; }
.text-button { padding: 12px 0 0; background: none; font-size: 0.68rem; }
.danger { color: #a43c2b; }
.inspector-footer { margin-top: auto; padding-top: 24px; }
.inspector-footer p { color: var(--muted); font-size: 0.62rem; text-align: center; }

.preview-dialog { width: 100vw; max-width: none; height: 100vh; max-height: none; margin: 0; border: 0; background: #eee8dd; padding: 0; }
.preview-dialog::backdrop { background: rgba(20,20,18,.6); }
.preview-header { height: 76px; padding: 0 4vw; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.preview-header .eyebrow { margin: 0 0 3px; }
.preview-header strong { font-family: var(--display); font-size: 1.15rem; }
.preview-actions { display: flex; align-items: center; gap: 12px; }
.print-paper-control { min-width: 152px; display: flex; flex-direction: column; gap: 3px; color: var(--muted); font-size: .54rem; letter-spacing: .08em; text-transform: uppercase; }
.print-paper-control select { min-height: 32px; padding: 4px 28px 4px 9px; border: 1px solid var(--line); border-radius: 7px; background: rgba(255,255,255,.66); color: var(--ink); font-size: .7rem; letter-spacing: 0; text-transform: none; }
.print-layout-hint { max-width: 128px; color: var(--muted); font-size: .56rem; line-height: 1.35; }
.icon-button.close { font-size: 1.35rem; }
.preview-body { height: calc(100vh - 118px); display: grid; grid-template-columns: 50px minmax(280px, 680px) 50px; place-content: center; align-items: center; gap: 24px; padding: 30px; }
.preview-page-wrap { display: grid; place-items: center; min-height: 0; }
.preview-page-wrap .book-page { width: min(100%, calc(70vh * var(--page-ratio-value))); }
.preview-progress { height: 42px; display: flex; justify-content: center; align-items: flex-start; gap: 6px; }
.preview-progress i { width: 18px; height: 3px; background: rgba(35,35,33,.18); border-radius: 2px; }
.preview-progress i.active { background: var(--theme); }

.toast { position: fixed; left: 50%; bottom: 26px; z-index: 80; transform: translate(-50%, 20px); padding: 11px 18px; border-radius: 999px; background: var(--ink); color: #fff; font-size: 0.75rem; opacity: 0; pointer-events: none; transition: 200ms ease; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.photo-drop-overlay { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 28px; background: rgba(244,240,231,.78); backdrop-filter: blur(13px); opacity: 0; visibility: hidden; pointer-events: none; transition: opacity 160ms ease, visibility 160ms ease; }
.photo-drop-overlay.visible { opacity: 1; visibility: visible; }
.photo-drop-card { width: min(560px, 100%); min-height: 330px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; border: 2px dashed var(--theme); border-radius: 32px; background: color-mix(in srgb, var(--theme) 8%, #fffdf8); box-shadow: 0 28px 80px rgba(48,38,26,.18); color: var(--ink); }
.photo-drop-card > strong { margin-top: 15px; font-family: var(--display); font-size: clamp(1.55rem, 4vw, 2.35rem); font-weight: 600; }
.photo-drop-card > span:last-child { color: var(--muted); font-size: .76rem; }
.photo-drop-icon { width: 112px; height: 82px; position: relative; }
.photo-drop-icon i { position: absolute; width: 64px; height: 72px; border: 4px solid #fff; border-radius: 8px; background: linear-gradient(155deg, #a9c9cf 0 48%, #6f8a70 49% 70%, #364b3d 71%); box-shadow: 0 10px 25px rgba(45,44,38,.17); }
.photo-drop-icon i:nth-child(1) { left: 2px; top: 8px; transform: rotate(-10deg); }
.photo-drop-icon i:nth-child(2) { left: 24px; top: 1px; transform: rotate(2deg); }
.photo-drop-icon i:nth-child(3) { left: 45px; top: 8px; transform: rotate(11deg); }
.print-book { display: none; }
.print-book.preparing { display: block; position: fixed; left: -10000px; top: 0; visibility: hidden; }
.print-book.preparing .print-sheet { width: var(--print-sheet-width); height: var(--print-sheet-height); display: grid; place-items: center; }
.print-book.preparing .book-page { width: var(--print-book-width); height: var(--print-book-height); max-width: none; aspect-ratio: auto; box-shadow: none; }

@keyframes rise-in { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@media (max-width: 1000px) {
  .workspace { grid-template-columns: 150px 1fr 255px; }
  .page-rail { padding-inline: 10px; }
  .stage { padding-inline: 18px; }
  .sample-scene { min-height: 500px; }
}

@media (max-width: 760px) {
  body.editing { height: auto; overflow: auto; }
  .app-header { height: 62px; padding-inline: 18px; }
  .brand { font-size: 1.05rem; }
  .save-status, .header-actions .ghost { display: none; }
  .welcome { min-height: calc(100vh - 62px); padding: 44px 24px 30px; display: block; }
  .welcome h1 { font-size: clamp(3.6rem, 18vw, 5.8rem); }
  .welcome-description { margin-block: 24px; }
  .welcome-actions { width: 100%; align-items: stretch; border-radius: 20px; }
  .welcome-actions .button { flex: 0 0 auto; }
  .drop-instructions { justify-content: center; }
  .sample-scene { min-height: 450px; margin-top: 40px; }
  .sample-book { width: 52vw; max-width: 260px; }
  .sample-back { left: 1%; }
  .sample-front { right: 1%; }
  .sun-shape { width: 74vw; }
  .welcome-foot { display: none; }
  .workspace { height: auto; min-height: calc(100vh - 62px); display: grid; grid-template-columns: 1fr; padding-bottom: 360px; overflow: visible; }
  .page-rail { border: 0; border-bottom: 1px solid var(--line); padding: 12px 16px; overflow: hidden; }
  .rail-heading { padding-bottom: 10px; }
  .page-list { height: auto; flex-direction: row; overflow-x: auto; padding: 0 0 8px; }
  .page-thumb { grid-template-columns: 1fr; width: 74px; flex: 0 0 74px; }
  .page-thumb > span { display: none; }
  .stage { height: auto; padding: 18px 20px 12px; overflow: visible; }
  .stage-topline { margin-bottom: 10px; }
  .stage-topline span:last-child { display: none; }
  .page-stage { min-height: auto; }
  .book-page { width: 100%; }
  .inspector { position: fixed; z-index: 15; left: 0; right: 0; bottom: 0; max-height: 360px; overflow: auto; border: 0; border-top: 1px solid var(--line); background: rgba(248,245,238,.96); padding: 0 18px 16px; display: block; }
  .inspector-section { padding: 14px 0; }
  .inspector-footer { padding-top: 12px; }
  .inspector-footer p { display: none; }
  .preview-header { padding-inline: 18px; }
  .print-layout-hint { display: none; }
  .print-paper-control { min-width: 126px; }
  .preview-body { grid-template-columns: 36px minmax(220px, 1fr) 36px; gap: 6px; padding: 16px 6px; }
  .preview-body .round-button { width: 34px; height: 34px; }
}

@media (max-width: 440px) {
  .welcome-actions { flex-direction: column; padding: 12px; text-align: center; }
  .photo-drop-card { min-height: 260px; }
  .photo-drop-card > strong { text-align: center; }
  .preview-header { height: 96px; align-items: flex-start; padding-top: 12px; }
  .preview-header .eyebrow { display: none; }
  .preview-actions { gap: 6px; }
  .preview-actions .button { padding-inline: 10px; font-size: .68rem; }
  .print-paper-control { min-width: 112px; }
  .preview-body { height: calc(100vh - 138px); }
}

@media print {
  html, body { margin: 0; padding: 0; background: white; }
  body { print-color-adjust: exact; -webkit-print-color-adjust: exact; }
  body > *:not(.print-book) { display: none !important; }
  .print-book { display: block; margin: 0; padding: 0; }
  .print-sheet { display: grid; place-items: center; margin: 0; padding: 0; break-after: page; break-inside: avoid; overflow: hidden; }
  .print-sheet:last-child { break-after: auto; }
  .print-sheet .book-page { max-width: none; aspect-ratio: auto; box-shadow: none; }
}