html, body { overflow-x: clip; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: var(--color-paper); color: var(--color-ink); font-family: var(--font-body); font-size: var(--text-md); }
button, textarea, input { font: inherit; }
button { border: 0; color: inherit; cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .52; }
:focus-visible { outline: 2px solid var(--color-accent-deep); outline-offset: 3px; }
.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; }
.is-hidden { display: none !important; }
.app-shell { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1fr); }
.icon-button, .stepper button { width: 36px; height: 36px; display: grid; place-items: center; border-radius: var(--radius-sm); background: transparent; }
.icon-button:hover, .stepper button:hover { background: var(--color-paper-deep); }
.icon-button:active, .stepper button:active { transform: translateY(1px); }
.icon-button svg, .stepper svg { width: 18px; height: 18px; }
.canvas-area { min-width: 0; display: grid; grid-template-rows: auto minmax(0, 1fr) auto; padding: var(--space-6); gap: var(--space-4); }
.canvas-header, .canvas-footer, .drawer-header, .field-heading, .count-row, .reference-preview, .drawer-actions { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
.canvas-header h1, .drawer-header h2, .empty-state h2, .error-state h2 { margin: 0; font-family: var(--font-display); font-style: normal; overflow-wrap: anywhere; }
.canvas-header h1 { font-size: clamp(24px, 4vw, var(--text-xl)); line-height: 1; }
.eyebrow { margin: 0 0 var(--space-1); color: var(--color-muted); font-size: var(--text-xs); letter-spacing: .08em; }
.canvas { min-height: 420px; border: var(--rule-thin) solid var(--color-line); border-radius: var(--radius-md); background: var(--color-panel); box-shadow: 0 18px 50px var(--color-shadow); overflow: hidden; position: relative; display: grid; place-items: center; padding: var(--space-6); }
.empty-state, .loading-state, .error-state { width: min(420px, 100%); text-align: center; display: grid; justify-items: center; gap: var(--space-4); }
.empty-state p, .loading-state p, .error-state p, .muted-copy { margin: 0; color: var(--color-muted); line-height: 1.55; }
.empty-glyph, .error-icon { width: 64px; height: 64px; border: var(--rule-thin) solid var(--color-line); border-radius: var(--radius-md); display: grid; place-items: center; color: var(--color-accent-deep); }
.empty-glyph svg, .error-icon svg { width: 28px; height: 28px; }
.loader-ring { width: 54px; height: 54px; border-radius: 999px; border: 2px solid var(--color-line); border-top-color: var(--color-accent); animation: spin 900ms linear infinite; }
.text-button, .quiet-button, .primary-button { min-height: 40px; border-radius: var(--radius-sm); display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); white-space: nowrap; }
.text-button { background: transparent; color: var(--color-accent-deep); font-weight: 700; }
.text-button:hover, .quiet-button:hover { background: var(--color-paper-deep); }
.quiet-button { background: var(--color-paper); border: var(--rule-thin) solid var(--color-line); padding: 0 var(--space-4); }
.primary-button { width: 100%; background: var(--color-accent); color: var(--color-accent-ink); padding: 0 var(--space-5); font-weight: 800; }
.primary-button:hover { background: var(--color-accent-deep); }
.primary-button:active, .text-button:active, .quiet-button:active { transform: translateY(1px); }
.result-grid { width: 100%; align-self: stretch; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-4); align-items: start; }
.result-tile { min-width: 0; border: var(--rule-thin) solid var(--color-line); border-radius: var(--radius-md); overflow: hidden; background: var(--color-paper); }
.result-tile img { width: 100%; aspect-ratio: 1 / 1; object-fit: contain; display: block; background: var(--color-paper-deep); }
.tile-actions { display: flex; justify-content: space-between; gap: var(--space-2); padding: var(--space-2); }
.canvas-footer { color: var(--color-muted); font-size: var(--text-sm); }
.status-separator { color: var(--color-line-strong); }
.control-drawer { min-width: 0; border-left: var(--rule-thin) solid var(--color-line); background: var(--color-panel); padding: var(--space-5); overflow-y: auto; }
.drawer-header { margin-bottom: var(--space-5); }
form { display: grid; gap: var(--space-5); }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
legend, .field-label { font-weight: 800; }
.field-group { display: grid; gap: var(--space-2); min-width: 0; }
.field-note { color: var(--color-muted); font-size: var(--text-sm); }
.ratio-grid { display: grid; gap: var(--space-2); }
.ratio-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.ratio-grid input { position: absolute; opacity: 0; pointer-events: none; }
.ratio-grid span { min-height: 36px; display: grid; place-items: center; border: var(--rule-thin) solid var(--color-line); border-radius: var(--radius-sm); background: var(--color-paper); font-size: var(--text-sm); white-space: nowrap; }
.ratio-grid input:checked + span { border-color: var(--color-ink); background: var(--color-ink); color: var(--color-panel); }
.model-select { width: 100%; min-height: 44px; border: var(--rule-thin) solid var(--color-line); border-radius: var(--radius-md); background: var(--color-paper); color: var(--color-ink); padding: 0 var(--space-3); }
.model-select:hover { border-color: var(--color-line-strong); }
.model-select:disabled { cursor: not-allowed; opacity: .55; background: var(--color-paper-deep); }
.preset-list { display: grid; gap: var(--space-2); }
.preset-button { text-align: left; background: var(--color-paper); border: var(--rule-thin) solid var(--color-line); border-radius: var(--radius-md); padding: var(--space-3); display: grid; gap: var(--space-1); }
.preset-button:hover, .preset-button.is-active { border-color: var(--color-accent); }
.preset-button strong { font-size: var(--text-sm); }
.preset-button span { color: var(--color-muted); font-size: var(--text-xs); line-height: 1.4; }
textarea { resize: vertical; min-height: 136px; max-height: 280px; width: 100%; border: var(--rule-thin) solid var(--color-line); border-radius: var(--radius-md); padding: var(--space-3); background: var(--color-paper); color: var(--color-ink); line-height: 1.5; }
textarea:focus { border-color: var(--color-accent-deep); }
.upload-box { min-height: 44px; border: var(--rule-thin) dashed var(--color-line-strong); border-radius: var(--radius-md); display: flex; align-items: center; gap: var(--space-2); padding: var(--space-3); cursor: pointer; color: var(--color-muted); }
.upload-box input { display: none; }
.reference-preview { border: var(--rule-thin) solid var(--color-line); border-radius: var(--radius-md); padding: var(--space-2); min-width: 0; }
.reference-preview img { width: 42px; height: 42px; object-fit: cover; border-radius: var(--radius-sm); }
.reference-preview span { min-width: 0; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: var(--text-sm); }
.small { width: 28px; height: 28px; }
.stepper { display: inline-grid; grid-template-columns: 36px 44px 36px; align-items: center; border: var(--rule-thin) solid var(--color-line); border-radius: var(--radius-sm); overflow: hidden; }
.stepper output { text-align: center; font-weight: 800; }
.drawer-actions { position: sticky; bottom: 0; padding-top: var(--space-3); background: var(--color-panel); }
.overlay-panel { position: fixed; inset: 0; z-index: 20; display: grid; place-items: end; background: var(--color-scrim); }
.panel-inner { width: min(420px, calc(100vw - 24px)); max-height: calc(100vh - 24px); overflow: auto; background: var(--color-panel); border: var(--rule-thin) solid var(--color-line); border-radius: var(--radius-md); margin: var(--space-3); padding: var(--space-5); box-shadow: 0 20px 70px var(--color-shadow); }
.history-list { display: grid; gap: var(--space-2); }
.history-item { border: var(--rule-thin) solid var(--color-line); border-radius: var(--radius-md); padding: var(--space-3); background: var(--color-paper); text-align: left; }
.history-item strong { display: block; margin-bottom: var(--space-1); }
.history-item span { display: block; color: var(--color-muted); font-size: var(--text-xs); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.settings-list { display: grid; gap: var(--space-3); }
.settings-list div { display: grid; gap: var(--space-1); padding-bottom: var(--space-3); border-bottom: var(--rule-thin) solid var(--color-line); }
.settings-list span { color: var(--color-muted); font-size: var(--text-sm); }
.settings-list strong { overflow-wrap: anywhere; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 1ms !important; transition-duration: 1ms !important; } }
/* Hallmark · genre: modern-minimal · macrostructure: Parallel Task Canvas · designed-as-app */
html, body { min-height: 100%; background: var(--color-paper-deep); }
body { min-height: 100dvh; background: var(--color-paper-deep); color: var(--color-ink); }
button, textarea, input, select { font: inherit; }
button, select, textarea, label { -webkit-tap-highlight-color: transparent; }
button { transition: background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out); }
button[aria-busy="true"] { cursor: progress; }
button.is-error { color: var(--color-error); }
button.is-success { color: var(--color-success); }

.app-shell { min-height: 100dvh; display: grid; grid-template-columns: minmax(0, 1fr); background: var(--color-paper-deep); }
.icon-button, .stepper button { width: 34px; height: 34px; border: var(--rule-thin) solid transparent; border-radius: var(--radius-md); color: var(--color-muted); }
.icon-button:hover, .stepper button:hover { background: var(--color-panel-raised); color: var(--color-ink-strong); border-color: var(--color-line); }
.icon-button svg, .stepper svg { width: 17px; height: 17px; stroke-width: 1.7; }

.canvas-area { min-height: 100dvh; min-width: 0; padding: 0; gap: 0; grid-template-rows: 52px minmax(0, 1fr) 34px; background: var(--color-stage); }
.canvas-header { min-width: 0; padding: 0 var(--space-3); border-bottom: var(--rule-thin) solid var(--color-line); background: var(--color-paper); }
.workspace-title { min-width: 0; display: flex; align-items: center; gap: var(--space-2); }
.workspace-title strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: var(--text-sm); }
.workspace-kicker, .section-label { color: var(--color-muted-deep); font-family: var(--font-mono); font-size: var(--text-xs); text-transform: uppercase; }
.workspace-kicker::after { content: "/"; margin-inline-start: var(--space-2); color: var(--color-line-strong); }
.header-actions { display: flex; align-items: center; gap: var(--space-1); }
.header-button { min-width: 40px; min-height: 40px; display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); padding: 0 var(--space-3); border: var(--rule-thin) solid var(--color-line); border-radius: var(--radius-md); background: var(--color-panel); color: var(--color-ink); font-size: var(--text-sm); font-weight: 650; line-height: 1; white-space: nowrap; transition: background-color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out); }
.header-button:hover { border-color: var(--color-line-strong); background: var(--color-panel-raised); }
.header-button:active { transform: translateY(1px); }
.header-button svg { width: 17px; height: 17px; stroke-width: 1.7; }
.primary-header-action { border-color: var(--color-ink-strong); background: var(--color-ink-strong); color: var(--color-paper-deep); }
.primary-header-action:hover { border-color: var(--color-accent); background: var(--color-accent); color: var(--color-accent-ink); }
.status-chip { min-height: 28px; display: inline-flex; align-items: center; gap: var(--space-2); padding: 0 var(--space-2); border: var(--rule-thin) solid var(--color-line); border-radius: var(--radius-md); color: var(--color-muted); font-size: var(--text-xs); white-space: nowrap; }
.status-chip-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-success); }

.canvas { min-height: 0; width: 100%; border: 0; border-radius: 0; background: var(--color-stage); box-shadow: none; padding: var(--space-4); place-items: stretch; overflow: auto; }
.canvas::before { content: ""; position: absolute; inset: var(--space-4); pointer-events: none; border: var(--rule-thin) solid var(--color-line); border-radius: var(--radius-md); }
.canvas-meta { position: absolute; z-index: 2; inset-block-start: var(--space-5); inset-inline: var(--space-5); min-width: 0; display: flex; justify-content: space-between; gap: var(--space-3); color: var(--color-muted-deep); font-family: var(--font-mono); font-size: var(--text-xs); pointer-events: none; }
.canvas-meta span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.empty-state, .loading-state, .error-state { place-self: center; width: min(420px, calc(100% - 32px)); gap: var(--space-4); }
.empty-state h1 { margin: 0; font-family: var(--font-display); font-size: var(--text-2xl); font-style: normal; font-weight: 650; letter-spacing: 0; }
.empty-glyph, .error-icon { width: 52px; height: 52px; border-color: var(--color-line-strong); background: var(--color-panel); color: var(--color-ink); }
.empty-glyph svg, .error-icon svg { width: 22px; height: 22px; stroke-width: 1.5; }
.empty-presets { width: 100%; display: flex; justify-content: center; flex-wrap: wrap; gap: var(--space-2); }
.empty-preset { min-height: 32px; padding: 0 var(--space-3); border: var(--rule-thin) solid var(--color-line); border-radius: var(--radius-md); background: var(--color-panel); color: var(--color-muted); font-size: var(--text-xs); white-space: nowrap; }
.empty-preset:hover { border-color: var(--color-line-strong); color: var(--color-ink); background: var(--color-panel-raised); }
.primary-button { min-height: 44px; border-radius: var(--radius-md); background: var(--color-ink-strong); color: var(--color-paper-deep); font-weight: 750; }
.primary-button:hover { background: var(--color-accent); color: var(--color-accent-ink); }
.primary-button:focus-visible { outline-color: var(--color-accent); }
.primary-button.compact { width: auto; min-height: 38px; padding: 0 var(--space-4); }
.quiet-button, .text-button { min-height: 36px; padding: 0 var(--space-3); border: var(--rule-thin) solid var(--color-line); background: var(--color-panel); color: var(--color-ink); border-radius: var(--radius-md); font-size: var(--text-sm); }
.quiet-button:hover, .text-button:hover { background: var(--color-panel-raised); border-color: var(--color-line-strong); }
.quiet-button svg, .text-button svg, .primary-button svg { width: 16px; height: 16px; }

.loading-state { color: var(--color-muted); }
.loading-state strong { color: var(--color-ink-strong); font-size: var(--text-lg); }
.loading-state > span { font-size: var(--text-sm); }
.generation-frame { position: relative; width: 112px; height: 112px; display: grid; place-items: center; overflow: hidden; border: var(--rule-thin) solid var(--color-line-strong); border-radius: var(--radius-md); background: var(--color-panel); color: var(--color-accent); }
.generation-frame svg { width: 24px; height: 24px; }
.scan-line { position: absolute; inset-inline: 8px; height: 1px; background: var(--color-accent); animation: scan 1.8s var(--ease-in-out) infinite alternate; }
@keyframes scan { from { transform: translateY(-42px); opacity: .3; } to { transform: translateY(42px); opacity: 1; } }

.result-grid { position: relative; z-index: 1; width: 100%; min-height: 100%; padding: var(--space-9) 0 0; grid-template-columns: minmax(0, 1fr); gap: var(--space-4); align-content: center; align-items: center; }
.result-tile { position: relative; min-width: 0; border: var(--rule-thin) solid var(--color-line); border-radius: var(--radius-md); background: var(--color-paper); box-shadow: 0 20px 60px var(--color-shadow); overflow: hidden; }
.result-tile img { width: 100%; max-height: calc(100dvh - 190px); object-fit: contain; background: var(--color-paper-deep); cursor: zoom-in; }
.result-tile:focus-within { border-color: var(--color-accent); }
.result-index { position: absolute; inset-block-start: var(--space-2); inset-inline-start: var(--space-2); z-index: 2; min-width: 26px; height: 26px; display: grid; place-items: center; padding: 0 var(--space-2); border: var(--rule-thin) solid var(--color-line); border-radius: var(--radius-md); background: var(--color-overlay); color: var(--color-ink); font-family: var(--font-mono); font-size: var(--text-xs); }
.result-actions { position: absolute; z-index: 3; inset-block-end: var(--space-2); inset-inline: var(--space-2); display: flex; justify-content: center; gap: var(--space-1); padding: var(--space-1); border: var(--rule-thin) solid var(--color-line); border-radius: var(--radius-md); background: var(--color-overlay); box-shadow: 0 8px 28px var(--color-shadow); }
.result-action { width: 34px; height: 34px; display: grid; place-items: center; border-radius: var(--radius-sm); background: transparent; color: var(--color-muted); }
.result-action:hover { background: var(--color-panel-raised); color: var(--color-ink-strong); }
.result-action.danger:hover { color: var(--color-error); }
.result-action svg { width: 16px; height: 16px; }
.tile-actions { display: none; }

.canvas-footer { min-width: 0; min-height: 34px; padding: 0 var(--space-3); border-top: var(--rule-thin) solid var(--color-line); background: var(--color-paper); color: var(--color-muted-deep); font-size: var(--text-xs); }
.canvas-footer > span { min-width: 0; display: inline-flex; align-items: center; gap: var(--space-1); white-space: nowrap; }
.canvas-footer svg { width: 13px; height: 13px; }
.canvas-footer-spacer { flex: 1; }

.control-drawer { position: fixed; z-index: 25; inset-inline: 0; inset-block-end: 0; min-width: 0; max-height: 82dvh; padding: var(--space-4); border: 0; border-top: var(--rule-thin) solid var(--color-line); background: var(--color-panel); box-shadow: 0 -24px 70px var(--color-shadow); transform: translateY(calc(100% - 64px)); transition: transform var(--dur-slow) var(--ease-out), box-shadow var(--dur-med) var(--ease-out); }
.control-drawer.is-open { transform: translateY(0); }
.drawer-grabber { width: 36px; height: 3px; margin: 0 auto var(--space-4); border-radius: 2px; background: var(--color-line-strong); }
.drawer-header { margin-bottom: var(--space-5); }
.drawer-header h2 { margin: var(--space-1) 0 0; color: var(--color-ink-strong); font-size: var(--text-lg); font-weight: 650; }
.control-drawer form { gap: var(--space-5); }
.field-label, legend { color: var(--color-ink); font-size: var(--text-sm); font-weight: 650; }
.field-note, .character-count { color: var(--color-muted-deep); font-family: var(--font-mono); font-size: var(--text-xs); }
.character-count { justify-self: end; margin-top: calc(var(--space-1) * -1); }
.model-select, textarea { border-color: var(--color-line); background: var(--color-paper-deep); color: var(--color-ink); border-radius: var(--radius-md); }
.model-select { min-height: 42px; padding: 0 var(--space-3); font-size: var(--text-sm); }
.model-select:hover, textarea:hover { border-color: var(--color-line-strong); }
textarea { min-height: 124px; max-height: 240px; padding: var(--space-3); font-size: var(--text-sm); }
textarea::placeholder { color: var(--color-muted-deep); }
.preset-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-2); }
.preset-button { min-width: 0; min-height: 54px; padding: var(--space-2); border-color: var(--color-line); background: var(--color-paper-deep); }
.preset-button:hover { border-color: var(--color-line-strong); background: var(--color-panel-raised); }
.preset-button.is-active { border-color: var(--color-accent); background: var(--color-accent-soft); }
.preset-button strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--color-ink); }
.preset-button span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--color-muted-deep); }
.upload-box { min-height: 42px; border-style: solid; border-color: var(--color-line); background: var(--color-paper-deep); color: var(--color-muted); }
.upload-box:hover { border-color: var(--color-line-strong); background: var(--color-panel-raised); }
.upload-box svg { width: 16px; height: 16px; }
.reference-preview { border-color: var(--color-line); background: var(--color-paper-deep); }
.ratio-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--space-1); }
.ratio-grid span { min-height: 34px; padding: 0 var(--space-1); border-color: var(--color-line); background: var(--color-paper-deep); color: var(--color-muted); }
.ratio-grid input:checked + span { border-color: var(--color-ink); background: var(--color-ink); color: var(--color-paper-deep); }
.stepper { border-color: var(--color-line); border-radius: var(--radius-md); background: var(--color-paper-deep); }
.stepper output { color: var(--color-ink-strong); font-family: var(--font-mono); }
.drawer-actions { bottom: 0; margin-inline: calc(var(--space-4) * -1); padding: var(--space-3) var(--space-4) max(var(--space-4), env(safe-area-inset-bottom)); border-top: var(--rule-thin) solid var(--color-line); background: var(--color-panel); }

.overlay-panel { z-index: 50; background: var(--color-scrim); place-items: center; }
.panel-inner { width: min(480px, calc(100% - 24px)); max-height: calc(100dvh - 24px); margin: var(--space-3); border-color: var(--color-line); background: var(--color-panel); box-shadow: 0 24px 90px var(--color-shadow); transition: transform var(--dur-med) var(--ease-out), opacity var(--dur-med) var(--ease-out); }
#historyPanel { opacity: 1; visibility: visible; pointer-events: auto; transition: opacity var(--dur-fast) var(--ease-out), visibility 0s linear 0s; }
#historyPanel.is-hidden { display: grid !important; opacity: 0; visibility: hidden; pointer-events: none; transition: opacity var(--dur-fast) var(--ease-out), visibility 0s linear var(--dur-fast); }
#historyPanel.is-hidden .panel-inner { opacity: 0; transform: translateY(8px); }
.history-list { gap: var(--space-2); }
.history-item { border-color: var(--color-line); background: var(--color-paper-deep); color: var(--color-ink); transition: background-color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out); }
.history-item:hover { border-color: var(--color-line-strong); background: var(--color-panel-raised); }
.settings-list div { border-color: var(--color-line); }
.settings-list span { color: var(--color-muted); }
.settings-list strong { color: var(--color-ink); }

.image-viewer { position: fixed; z-index: 100; inset: 0; display: grid; grid-template-rows: 56px minmax(0, 1fr); background: var(--color-overlay); }
.viewer-header { min-width: 0; display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); padding: 0 var(--space-3); border-bottom: var(--rule-thin) solid var(--color-line); background: var(--color-paper); }
.viewer-title { min-width: 0; display: grid; }
.viewer-title strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: var(--text-sm); }
.viewer-title span { color: var(--color-muted); font-family: var(--font-mono); font-size: var(--text-xs); }
.viewer-toolbar { display: flex; align-items: center; gap: var(--space-1); }
.viewer-toolbar output { width: 48px; text-align: center; color: var(--color-muted); font-family: var(--font-mono); font-size: var(--text-xs); }
.toolbar-divider { width: 1px; height: 20px; margin: 0 var(--space-1); background: var(--color-line); }
.viewer-stage { position: relative; min-width: 0; min-height: 0; display: grid; place-items: center; overflow: hidden; cursor: grab; touch-action: none; }
.viewer-stage.is-dragging { cursor: grabbing; }
.viewer-stage img { max-width: calc(100% - 96px); max-height: calc(100% - 48px); object-fit: contain; transform-origin: center; user-select: none; will-change: transform; }
.viewer-nav { position: absolute; z-index: 2; inset-block-start: 50%; width: 40px; height: 48px; display: grid; place-items: center; border: var(--rule-thin) solid var(--color-line); border-radius: var(--radius-md); background: var(--color-overlay); color: var(--color-muted); transform: translateY(-50%); }
.viewer-nav:hover { background: var(--color-panel-raised); color: var(--color-ink-strong); }
.viewer-nav.previous { inset-inline-start: var(--space-3); }
.viewer-nav.next { inset-inline-end: var(--space-3); }
.viewer-nav svg { width: 20px; height: 20px; }

.toast { position: fixed; z-index: 120; inset-inline-start: 50%; inset-block-end: var(--space-6); max-width: calc(100% - 32px); min-height: 38px; display: grid; place-items: center; padding: 0 var(--space-4); border: var(--rule-thin) solid var(--color-line-strong); border-radius: var(--radius-md); background: var(--color-panel-raised); color: var(--color-ink); box-shadow: 0 16px 50px var(--color-shadow); transform: translateX(-50%); font-size: var(--text-sm); white-space: nowrap; }

@media (hover: hover) and (pointer: fine) {
  .result-actions { opacity: 0; transform: translateY(6px); transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out); }
  .result-tile:hover .result-actions, .result-tile:focus-within .result-actions { opacity: 1; transform: translateY(0); }
}

@media (min-width: 40rem) {
  .canvas { padding: var(--space-6); }
  .canvas::before { inset: var(--space-6); }
  .canvas-meta { inset-block-start: calc(var(--space-6) + var(--space-1)); inset-inline: calc(var(--space-6) + var(--space-1)); }
  .result-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: var(--space-10) 0 0; }
  .result-grid:has(.result-tile:only-child) { grid-template-columns: minmax(0, min(760px, 100%)); justify-content: center; }
}

@media (max-width: 59.99rem) {
  .control-drawer { inset-inline: 0; inset-block-end: 0; max-height: min(88dvh, calc(100dvh - env(safe-area-inset-top) - var(--space-2))); }
  .control-drawer.is-open { transform: translateY(0); }
  .canvas-area { padding: 0; }
}

@media (min-width: 60rem) {
  .app-shell { grid-template-columns: minmax(0, 1fr) 356px; }
  body.drawer-collapsed .app-shell { grid-template-columns: minmax(0, 1fr); }
  .canvas-area { grid-column: 1; }
  .control-drawer { position: relative; z-index: 10; grid-column: 2; grid-row: 1; inset: auto; max-height: 100dvh; padding: 0; border-top: 0; border-inline-start: var(--rule-thin) solid var(--color-line); box-shadow: none; transform: none; }
  body.drawer-collapsed .control-drawer { display: none; }
  .drawer-grabber { display: none; }
  .canvas-header { padding: 0 var(--space-4); }
  .canvas-footer { padding: 0 var(--space-4); }
  .result-grid { gap: var(--space-5); }
}

@media (min-width: 90rem) {
  .result-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 1360px; margin: auto; }
}

@media (max-width: 32rem) {
  .workspace-kicker, .canvas-footer > span:last-child, #clearResults { display: none; }
  .status-chip { max-width: 92px; }
  .status-chip span:last-child { overflow: hidden; text-overflow: ellipsis; }
  .preset-list { grid-template-columns: minmax(0, 1fr); }
  .ratio-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .viewer-header { padding: 0 var(--space-2); }
  .viewer-title { display: none; }
  .viewer-toolbar { width: 100%; justify-content: center; }
  #viewerActual, .toolbar-divider { display: none; }
  .viewer-stage img { max-width: calc(100% - 40px); max-height: calc(100% - 64px); }
  .viewer-nav { inset-block-start: auto; inset-block-end: var(--space-3); width: 42px; height: 42px; transform: none; }
}

@media (max-width: 24rem) {
  .status-chip { display: none; }
}

@media (pointer: coarse) {
  .icon-button, .header-button, .result-action, .stepper button { min-width: 40px; min-height: 40px; }
  .result-actions { inset-inline: var(--space-1); justify-content: space-around; }
}

@media (prefers-reduced-motion: reduce) {
  .loader-ring { animation: none; }
  .scan-line { animation: none; opacity: 1; }
}

/* Multi-task generation workbench */
.mode-switch { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-1); padding: var(--space-1); border: var(--rule-thin) solid var(--color-line); border-radius: var(--radius-md); background: var(--color-paper-deep); }
.model-resolution-grid { min-width: 0; display: grid; grid-template-columns: minmax(0, 2fr) minmax(84px, 1fr); gap: var(--space-2); }
.model-resolution-grid .field-group { align-content: start; }
.mode-option { min-height: 38px; display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); border-radius: var(--radius-sm); background: transparent; color: var(--color-muted); font-size: var(--text-sm); white-space: nowrap; }
.mode-option:hover { color: var(--color-ink); background: var(--color-panel-raised); }
.mode-option.is-active { background: var(--color-ink-strong); color: var(--color-paper-deep); }
.mode-option svg { width: 16px; height: 16px; }
.preset-clear { padding: 0; background: transparent; color: var(--color-muted); font-size: var(--text-xs); white-space: nowrap; }
.preset-clear:hover, .preset-clear.is-active { color: var(--color-ink-strong); }

.reference-list { min-width: 0; display: grid; gap: var(--space-2); }
.reference-item { min-width: 0; display: grid; grid-template-columns: 42px minmax(0, 1fr) auto; align-items: center; gap: var(--space-2); padding: var(--space-2); border: var(--rule-thin) solid var(--color-line); border-radius: var(--radius-md); background: var(--color-paper-deep); }
.reference-item[draggable="true"] { cursor: grab; }
.reference-item.is-dragging { opacity: .5; }
.reference-thumb { position: relative; width: 42px; height: 42px; overflow: hidden; border-radius: var(--radius-sm); background: var(--color-stage); }
.reference-thumb img { width: 100%; height: 100%; object-fit: cover; }
.reference-number { position: absolute; inset-block-start: var(--space-1); inset-inline-start: var(--space-1); min-width: 16px; height: 16px; display: grid; place-items: center; border-radius: var(--radius-sm); background: var(--color-overlay); color: var(--color-ink); font-family: var(--font-mono); font-size: var(--text-2xs); }
.reference-info { min-width: 0; display: grid; gap: var(--space-1); }
.reference-info strong, .reference-info span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.reference-info strong { font-size: var(--text-xs); font-weight: 650; }
.reference-info span { color: var(--color-muted-deep); font-size: var(--text-xs); }
.reference-actions { display: flex; gap: var(--space-1); }

.task-list { position: relative; z-index: 1; width: 100%; min-height: 100%; padding: var(--space-9) 0 var(--space-4); display: grid; align-content: start; gap: var(--space-6); }
.task-section { min-width: 0; padding: 0 0 var(--space-6); border-bottom: var(--rule-thin) solid var(--color-line); transition: border-color var(--dur-med) var(--ease-out), opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out); }
.task-section:last-child { border-bottom: 0; }
.task-head { min-width: 0; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-3); align-items: start; margin-bottom: var(--space-4); }
.task-identity { min-width: 0; display: grid; gap: var(--space-2); }
.task-title-row { min-width: 0; display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-2); }
.task-title { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--color-ink-strong); font-size: var(--text-sm); }
.task-status { min-height: 22px; display: inline-flex; align-items: center; gap: var(--space-1); padding: 0 var(--space-2); border: var(--rule-thin) solid var(--color-line); border-radius: var(--radius-md); color: var(--color-muted); font-size: var(--text-xs); white-space: nowrap; }
.task-status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--color-muted-deep); }
.task-section[data-status="running"] .task-status::before { background: var(--color-accent); }
.task-section[data-status="completed"] .task-status::before { background: var(--color-success); }
.task-section[data-status="failed"] .task-status::before { background: var(--color-error); }
.task-meta, .task-prompt { margin: 0; color: var(--color-muted-deep); font-size: var(--text-xs); }
.task-meta { font-family: var(--font-mono); }
.task-prompt { max-width: 72ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.task-toolbar { display: flex; align-items: center; justify-content: flex-end; gap: var(--space-1); }
.task-state { min-height: 180px; display: grid; place-items: center; border: var(--rule-thin) solid var(--color-line); border-radius: var(--radius-md); background: var(--color-paper); color: var(--color-muted); text-align: center; }
.task-state-inner { display: grid; justify-items: center; gap: var(--space-3); padding: var(--space-4); }
.task-state-inner svg { width: 22px; height: 22px; }
.task-state-inner strong { color: var(--color-ink); font-size: var(--text-sm); }
.task-state-inner span { max-width: 52ch; font-size: var(--text-xs); line-height: 1.5; }
.task-section .result-grid { min-height: auto; padding: 0; align-content: start; }
.task-section .result-tile img { max-height: 620px; }
.task-progress { width: 120px; height: 2px; overflow: hidden; background: var(--color-line); }
.task-progress::after { content: ""; display: block; width: 45%; height: 100%; background: var(--color-accent); animation: task-progress 1.4s var(--ease-in-out) infinite alternate; }
@keyframes task-progress { from { transform: translateX(-100%); } to { transform: translateX(220%); } }

@media (max-width: 40rem) {
  .task-list { gap: var(--space-5); }
  .task-head { grid-template-columns: minmax(0, 1fr); }
  .task-toolbar { justify-content: flex-start; }
  .task-section .result-grid { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 22rem) {
  .model-resolution-grid { grid-template-columns: minmax(0, 1fr); }
}

@media (pointer: coarse) {
  .mode-option { min-height: 44px; }
  .reference-actions .icon-button, .task-toolbar .icon-button { min-width: 40px; min-height: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  .task-progress::after { animation: none; transform: none; width: 100%; }
}

/* Inspector refinement · desktop continuous / mobile stepped */
.control-drawer { display: flex; flex-direction: column; padding: 0; overflow: hidden; }
.control-drawer .drawer-header { flex: 0 0 auto; min-height: 64px; margin: 0; padding: var(--space-3) var(--space-4); border-bottom: var(--rule-thin) solid var(--color-line); background: var(--color-panel); }
.control-drawer .drawer-header h2 { margin-top: 0; font-size: var(--text-lg); line-height: 1.1; }
.control-drawer .section-label { display: none; }
.control-drawer form { flex: 1 1 auto; min-height: 0; margin: 0; gap: 0; overflow-y: auto; scrollbar-width: thin; scrollbar-color: var(--color-line-strong) transparent; }
.inspector-tabs { display: none; }
.inspector-panel { min-width: 0; display: grid; gap: var(--space-4); padding: var(--space-4); border-bottom: var(--rule-thin) solid var(--color-line); transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out); }
.inspector-section-head { min-width: 0; display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-3); }
.inspector-section-head > div { min-width: 0; display: grid; gap: var(--space-1); }
.section-kicker { color: var(--color-muted-deep); font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0; }
.inspector-section-head h3 { min-width: 0; margin: 0; overflow-wrap: anywhere; color: var(--color-ink-strong); font-family: var(--font-display); font-size: var(--text-sm); font-style: normal; font-weight: 650; letter-spacing: 0; }
.inspector-hint { flex: 0 0 auto; color: var(--color-muted-deep); font-family: var(--font-mono); font-size: var(--text-xs); white-space: nowrap; }

.control-drawer .mode-switch { padding: 3px; border-color: var(--color-line-strong); background: var(--color-paper-deep); }
.control-drawer .mode-option { min-height: 36px; }
.control-drawer .mode-option.is-active { background: var(--color-panel-raised); color: var(--color-ink-strong); box-shadow: inset 0 0 0 var(--rule-thin) var(--color-line-strong); }
.control-drawer .model-select { min-width: 0; min-height: 40px; border-color: var(--color-line); background: var(--color-paper-deep); }
.control-drawer .model-select:hover { border-color: var(--color-line-strong); background: var(--color-panel-raised); }
.control-drawer .model-select:focus-visible { border-color: var(--color-accent); }
.control-drawer .model-select:disabled { color: var(--color-muted-deep); background: var(--color-paper); }
.model-resolution-grid { grid-template-columns: minmax(0, 1.7fr) minmax(88px, .7fr); gap: var(--space-2); }

.preset-field { gap: var(--space-3); }
.preset-clear { min-height: 28px; padding: 0 var(--space-2); border: var(--rule-thin) solid transparent; border-radius: var(--radius-sm); }
.preset-clear:hover { border-color: var(--color-line); background: var(--color-panel-raised); }
.preset-clear.is-active { border-color: var(--color-line-strong); color: var(--color-ink-strong); background: var(--color-paper-deep); }
.preset-list { display: flex; grid-template-columns: none; gap: var(--space-2); padding-bottom: var(--space-1); overflow-x: auto; overscroll-behavior-inline: contain; scrollbar-width: thin; scrollbar-color: var(--color-line-strong) transparent; scroll-snap-type: inline proximity; }
.preset-button { flex: 0 0 156px; min-height: 64px; align-content: center; gap: var(--space-1); padding: var(--space-2) var(--space-3); border-color: var(--color-line); background: var(--color-paper-deep); scroll-snap-align: start; }
.preset-button:hover { border-color: var(--color-line-strong); background: var(--color-panel-raised); }
.preset-button.is-active { border-color: var(--color-accent); background: var(--color-accent-soft); box-shadow: inset 3px 0 0 var(--color-accent); }
.preset-button:active { transform: translateY(1px); }

.prompt-field { position: relative; gap: var(--space-2); }
.prompt-field .field-label { color: var(--color-muted); font-size: var(--text-xs); }
.control-drawer textarea { min-height: 148px; max-height: 300px; padding: var(--space-3); border-color: var(--color-line); background: var(--color-paper-deep); line-height: 1.55; }
.control-drawer textarea:hover { border-color: var(--color-line-strong); }
.control-drawer textarea:focus { border-color: var(--color-accent); background: var(--color-paper); outline: 2px solid var(--color-accent-soft); outline-offset: 0; }
.control-drawer .upload-box { min-height: 48px; justify-content: center; border-style: dashed; border-color: var(--color-line-strong); background: var(--color-paper-deep); }
.control-drawer .upload-box:hover { border-color: var(--color-accent); color: var(--color-ink); }

.control-drawer .ratio-grid { padding: 3px; gap: 3px; border: var(--rule-thin) solid var(--color-line); border-radius: var(--radius-md); background: var(--color-paper-deep); }
.control-drawer .ratio-grid span { min-height: 34px; border: 0; background: transparent; }
.control-drawer .ratio-grid input:checked + span { background: var(--color-ink-strong); color: var(--color-paper-deep); }
.control-drawer .count-row { padding: var(--space-3); border: var(--rule-thin) solid var(--color-line); border-radius: var(--radius-md); background: var(--color-paper-deep); }
.control-drawer .stepper { border-color: var(--color-line); background: var(--color-panel); }

.control-drawer .drawer-actions { z-index: 4; display: grid; grid-template-columns: minmax(0, 1fr); align-items: stretch; justify-content: stretch; gap: var(--space-2); margin: 0; padding: var(--space-3) var(--space-4) max(var(--space-4), env(safe-area-inset-bottom)); border-top: var(--rule-thin) solid var(--color-line-strong); background: var(--color-panel); box-shadow: 0 -12px 32px var(--color-shadow); }
.drawer-summary { min-width: 0; overflow: hidden; text-overflow: ellipsis; color: var(--color-muted-deep); font-family: var(--font-mono); font-size: var(--text-xs); white-space: nowrap; }
.control-drawer .primary-button { min-height: 46px; background: var(--color-ink-strong); color: var(--color-paper-deep); }
.control-drawer .primary-button:hover { background: var(--color-accent); color: var(--color-accent-ink); }
.control-drawer .primary-button:active { transform: translateY(1px); }
.control-drawer .primary-button[aria-busy="true"] { color: var(--color-muted); background: var(--color-panel-raised); }
.control-drawer .primary-button.is-error { color: var(--color-accent-ink); background: var(--color-error); }
.control-drawer .primary-button.is-success { color: var(--color-paper-deep); background: var(--color-success); }

@media (max-width: 39.99rem) {
  .control-drawer { max-height: 92dvh; }
  .control-drawer .drawer-header { min-height: 56px; padding: var(--space-2) var(--space-3); }
  .control-drawer .drawer-header h2 { font-size: var(--text-md); }
  .inspector-tabs { flex: 0 0 auto; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-1); padding: var(--space-2) var(--space-3); border-bottom: var(--rule-thin) solid var(--color-line); background: var(--color-panel); }
  .inspector-tabs button { min-width: 0; min-height: 38px; display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); border: var(--rule-thin) solid transparent; border-radius: var(--radius-sm); background: transparent; color: var(--color-muted); font-size: var(--text-xs); white-space: nowrap; transition: background-color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out); }
  .inspector-tabs button:hover { color: var(--color-ink); background: var(--color-panel-raised); }
  .inspector-tabs button.is-active { border-color: var(--color-line-strong); color: var(--color-ink-strong); background: var(--color-paper-deep); }
  .inspector-tabs button:active { transform: translateY(1px); }
  .inspector-tabs button:disabled { opacity: .45; }
  .step-number { color: var(--color-muted-deep); font-family: var(--font-mono); font-size: var(--text-2xs); }
  .control-drawer form { display: grid; grid-template-rows: minmax(0, 1fr) auto; overflow: hidden; }
  .inspector-panel { display: none; min-height: 0; padding: var(--space-4) var(--space-3); overflow-y: auto; overscroll-behavior: contain; }
  .inspector-panel.is-active { display: grid; align-content: start; animation: inspector-panel-in var(--dur-fast) var(--ease-out); }
  .control-drawer .drawer-actions { position: relative; bottom: auto; padding: var(--space-2) var(--space-3) max(var(--space-3), env(safe-area-inset-bottom)); box-shadow: 0 -8px 24px var(--color-shadow); }
  .drawer-summary { text-align: center; }
  .control-drawer .primary-button { min-height: 44px; }
  .preset-button { flex-basis: 148px; }
  .control-drawer textarea { min-height: 180px; max-height: none; resize: none; }
}

@media (min-width: 40rem) {
  .inspector-panel { display: grid !important; }
}

@keyframes inspector-panel-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 22rem) {
  .model-resolution-grid { grid-template-columns: minmax(0, 1fr); }
  .inspector-tabs button { gap: var(--space-1); }
}

@media (prefers-reduced-motion: reduce) {
  .control-drawer, .header-button, .primary-header-action, .inspector-panel, .inspector-tabs button, .task-section, .panel-inner, .history-item { transition: none !important; }
  .inspector-panel.is-active { animation: none !important; }
}