/* Hallmark · pre-emit critique: P5 H4 E5 S4 R5 V4 */
/* Hallmark · genre: modern-minimal · macrostructure: Workbench · design-system: design.md · designed-as-app
 * theme: custom · vibe: "lean dark well, quiet steel" · paper: oklch(13.5% 0.010 258) · accent: oklch(74% 0.12 248)
 * display: Geist · body: Geist · axes: dark / geometric-sans / cool
 * nav: N9 · footer: Ft2 · enrichment: none · studied: no · context: explicit
 * contrast: pass (40–41) · slop: pass (42–45) · honest: pass (46) · chrome: pass (47)
 * tokens: pass (48) · responsive: pass (49) · icons: pass (30) · mobile: pass (34, 49, 50–57)
 */

@import "tokens.css";

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  overflow-x: clip;
}

html {
  background: var(--color-paper);
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-ink);
  background: var(--color-paper);
}

img,
svg,
canvas {
  max-width: 100%;
}

.shell {
  min-height: 100dvh;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
}

/* N9 · Edge-aligned */
.nav-edge {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--page-gutter);
  border-bottom: var(--rule-hair) solid var(--color-rule);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-display);
  font-style: normal;
  font-weight: var(--display-weight);
  font-size: var(--text-md);
  letter-spacing: var(--display-tracking);
  line-height: 1;
  color: var(--color-ink);
  text-decoration: none;
  white-space: nowrap;
  min-width: 0;
}

.wordmark-mark {
  display: block;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 0.4rem;
  object-fit: cover;
  flex-shrink: 0;
}

.wordmark-title {
  display: block;
  line-height: 1;
}

.nav-source,
.foot-line a {
  color: var(--color-ink-2);
  text-decoration: underline;
  text-decoration-color: var(--color-rule-2);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  text-decoration-skip-ink: auto;
  white-space: nowrap;
}

.nav-source {
  font-size: var(--text-sm);
}

@media (hover: hover) and (pointer: fine) {
  .nav-source:hover,
  .foot-line a:hover {
    color: var(--color-ink);
    text-decoration-color: var(--color-accent);
  }
}

.wordmark:focus-visible,
.nav-source:focus-visible,
.foot-line a:focus-visible,
.btn:focus-visible,
.direction-btn:focus-visible,
.zoom-btn:focus-visible,
.remove-image-btn:focus-visible,
select:focus-visible,
input[type="number"]:focus-visible,
input[type="range"]:focus-visible,
input[type="color"]:focus-visible,
.overlay-cell:focus-visible {
  outline: var(--rule-fine) solid var(--color-focus);
  outline-offset: 2px;
}

.bench {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: var(--space-md);
  padding: var(--space-md) var(--page-gutter);
}

@media (min-width: 60rem) {
  .bench {
    grid-template-columns: minmax(0, 1fr) var(--rail-width);
    gap: var(--space-lg);
    padding-block: var(--space-lg);
  }
}

.workspace {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-width: 0;
}

.editor-stage {
  position: relative;
  display: inline-block;
  max-width: 100%;
  min-width: 0;
  line-height: 0;
}

#previewCanvas {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 58dvh;
  border-radius: var(--radius-input);
  border: var(--rule-hair) solid var(--color-rule);
}

@media (min-width: 60rem) {
  #previewCanvas {
    max-height: calc(100dvh - 9.5rem);
  }
}

.cell-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  box-sizing: border-box;
}

.overlay-cell {
  position: relative;
  min-width: 0;
  min-height: 0;
  border: var(--rule-fine) dashed var(--color-rule);
  border-radius: var(--radius-input);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xs);
  cursor: pointer;
  overflow: hidden;
  transition: border-color var(--dur-micro) var(--ease-out),
    background-color var(--dur-micro) var(--ease-out);
}

.overlay-cell.frame-left {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  border-right-color: transparent;
}

.overlay-cell.frame-right {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  border-left-color: transparent;
}

.overlay-cell.frame-left:hover,
.overlay-cell.frame-left.drag-over {
  border-right-color: transparent;
}

.overlay-cell.frame-right:hover,
.overlay-cell.frame-right.drag-over {
  border-left-color: transparent;
}

@media (hover: hover) and (pointer: fine) {
  .overlay-cell:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-soft);
  }
}

.overlay-cell.has-image {
  border-color: transparent;
  background: transparent;
  cursor: grab;
}

.overlay-cell.has-image:active {
  cursor: grabbing;
}

.overlay-cell.drag-over {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
}

.overlay-cell input {
  display: none;
}

.overlay-cell .upload-icon {
  width: 1.75rem;
  height: 1.75rem;
  color: var(--color-muted);
  margin-bottom: var(--space-xs);
}

.overlay-cell p {
  color: var(--color-ink-2);
  font-size: var(--text-xs);
  line-height: 1.35;
}

.overlay-cell .label {
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: var(--space-3xs);
  font-size: var(--text-sm);
}

.overlay-cell.has-image .upload-content {
  display: none;
}

.cell-overlay.dense .upload-icon {
  width: 1.25rem;
  height: 1.25rem;
  margin-bottom: var(--space-3xs);
}

.cell-overlay.dense .label,
.cell-overlay.dense p {
  font-size: 0.625rem;
}

.remove-image-btn {
  position: absolute;
  top: var(--space-xs);
  right: var(--space-xs);
  width: 1.75rem;
  height: 1.75rem;
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-pill);
  background: var(--color-paper);
  color: var(--color-ink);
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: var(--z-overlay);
  transition: background-color var(--dur-micro) var(--ease-out),
    color var(--dur-micro) var(--ease-out),
    border-color var(--dur-micro) var(--ease-out);
}

.remove-image-btn svg {
  width: 0.85rem;
  height: 0.85rem;
}

.overlay-cell.has-image .remove-image-btn {
  display: flex;
}

.remove-image-btn::before {
  content: "";
  position: absolute;
  inset: -0.5rem;
}

@media (hover: hover) and (pointer: fine) {
  .remove-image-btn:hover {
    background: var(--color-danger);
    border-color: var(--color-danger);
    color: var(--color-danger-ink);
  }
}

.remove-image-btn:active {
  transform: translateY(1px);
}

.zoom-controls {
  position: absolute;
  bottom: var(--space-xs);
  right: var(--space-xs);
  display: none;
  gap: var(--space-3xs);
  z-index: var(--z-overlay);
  flex-wrap: wrap;
  justify-content: flex-end;
  max-width: calc(100% - var(--space-md));
}

.overlay-cell.has-image .zoom-controls {
  display: flex;
}

.zoom-btn {
  position: relative;
  width: 1.75rem;
  height: 1.75rem;
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-pill);
  background: var(--color-paper);
  color: var(--color-ink);
  font-size: var(--text-sm);
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--dur-micro) var(--ease-out),
    border-color var(--dur-micro) var(--ease-out);
}

.zoom-btn::before {
  content: "";
  position: absolute;
  inset: -0.4rem;
}

@media (hover: hover) and (pointer: fine) {
  .zoom-btn:hover {
    border-color: var(--color-accent);
    background: var(--color-paper-2);
  }
}

.zoom-btn:active {
  transform: translateY(1px);
}

.zoom-btn svg {
  width: 0.85rem;
  height: 0.85rem;
}

.zoom-sep {
  width: var(--rule-hair);
  height: 1.1rem;
  background: var(--color-rule);
  margin-inline: var(--space-3xs);
  align-self: center;
}

.zoom-btn.copied,
.zoom-btn[data-state="success"] {
  background: var(--color-success);
  border-color: var(--color-success);
  color: var(--color-success-ink);
}

.zoom-btn.active {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: var(--color-paper);
}

.zoom-btn:disabled,
.zoom-btn[data-state="disabled"] {
  opacity: 0.5;
  cursor: not-allowed;
}

.zoom-btn[data-state="loading"] {
  opacity: 0.7;
}

.zoom-btn[data-state="error"] {
  border-color: var(--color-danger);
  color: var(--color-danger);
}

@media (pointer: coarse) {
  .zoom-btn,
  .remove-image-btn {
    width: 2.25rem;
    height: 2.25rem;
  }
}

/* Rail */
.controls-panel {
  background: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-card);
  padding: var(--space-md);
  height: fit-content;
  min-width: 0;
}

.controls-panel h2 {
  font-family: var(--font-display);
  font-style: normal;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-ink-2);
  margin-bottom: var(--space-sm);
}

.controls-panel h2 svg {
  display: none;
}

.control-group {
  margin-bottom: var(--space-sm);
}

.control-group:last-of-type {
  margin-bottom: var(--space-md);
}

.control-group > label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 500;
  margin-bottom: var(--space-2xs);
  color: var(--color-ink-2);
}

.direction-toggle {
  display: flex;
  background: var(--color-paper);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-input);
  padding: var(--space-3xs);
}

.direction-btn {
  flex: 1;
  padding: var(--space-xs) var(--space-2xs);
  border: var(--rule-hair) solid transparent;
  background: transparent;
  color: var(--color-ink-2);
  cursor: pointer;
  border-radius: calc(var(--radius-input) - 2px);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  white-space: nowrap;
  transition: background-color var(--dur-micro) var(--ease-out),
    color var(--dur-micro) var(--ease-out);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
}

.direction-btn svg {
  width: 0.85rem;
  height: 0.85rem;
}

.direction-btn.active {
  background: var(--color-ink);
  color: var(--color-paper);
}

@media (hover: hover) and (pointer: fine) {
  .direction-btn:hover:not(:disabled):not(.active) {
    color: var(--color-ink);
  }
}

.direction-btn:active:not(:disabled) {
  transform: translateY(1px);
}

.direction-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.direction-toggle.disabled {
  opacity: 0.55;
}

select,
.custom-grid input[type="number"] {
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-input);
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  outline: var(--rule-fine) solid transparent;
  outline-offset: 2px;
}

select {
  width: 100%;
  padding: var(--space-xs) var(--space-sm);
  cursor: pointer;
}

select:hover {
  border-color: var(--color-rule-2);
}

select:disabled,
.custom-grid input[type="number"]:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

select[data-state="error"],
.custom-grid input[type="number"][aria-invalid="true"] {
  border-color: var(--color-danger);
}

select[data-state="success"] {
  border-color: var(--color-success);
}

select[data-state="loading"] {
  opacity: 0.7;
}

.custom-grid {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-xs);
}

.custom-grid input[type="number"] {
  width: 2.75rem;
  padding: var(--space-2xs) var(--space-xs);
  text-align: center;
}

.custom-grid span {
  color: var(--color-ink-2);
  font-size: var(--text-xs);
}

label.checkbox-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  cursor: pointer;
}

.checkbox-wrapper input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
}

.checkbox-custom {
  width: 0.95rem;
  height: 0.95rem;
  border: var(--rule-hair) solid var(--color-rule-2);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-paper);
  transition: background-color var(--dur-micro) var(--ease-out),
    border-color var(--dur-micro) var(--ease-out);
  flex-shrink: 0;
}

.checkbox-wrapper input:checked + .checkbox-custom {
  background: var(--color-ink);
  border-color: var(--color-ink);
}

.checkbox-custom svg {
  width: 0.65rem;
  height: 0.65rem;
  color: var(--color-paper);
  opacity: 0;
}

.checkbox-wrapper input:checked + .checkbox-custom svg {
  opacity: 1;
}

.checkbox-wrapper input:focus-visible + .checkbox-custom {
  outline: var(--rule-fine) solid var(--color-focus);
  outline-offset: 2px;
}

.checkbox-wrapper input:disabled + .checkbox-custom {
  opacity: 0.5;
}

.checkbox-label {
  font-size: var(--text-xs);
  color: var(--color-ink);
}

.export-hint {
  margin: var(--space-3xs) 0 0 var(--space-lg);
  font-size: var(--text-xs);
  color: var(--color-muted);
  line-height: 1.35;
}

.border-options {
  margin-top: var(--space-xs);
  padding: var(--space-sm);
  background: var(--color-paper);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-input);
  display: none;
}

.border-options.visible {
  display: block;
}

.border-row {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
}

.border-row:last-child {
  margin-bottom: 0;
}

.border-field {
  flex: 1;
  min-width: 0;
}

.border-field label {
  font-size: 0.6875rem;
  margin-bottom: var(--space-2xs);
  display: block;
  color: var(--color-ink-2);
}

.slider-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

input[type="range"] {
  flex: 1;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: linear-gradient(
    to right,
    var(--color-ink) 0%,
    var(--color-ink) var(--progress, 10%),
    var(--color-paper-3) var(--progress, 10%),
    var(--color-paper-3) 100%
  );
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 2px;
}

input[type="range"]::-moz-range-track {
  height: 4px;
  background: var(--color-paper-3);
  border-radius: 2px;
}

input[type="range"]::-moz-range-progress {
  background: var(--color-ink);
  height: 4px;
  border-radius: 2px;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 0.85rem;
  height: 0.85rem;
  margin-top: -5px;
  background: var(--color-ink);
  border-radius: var(--radius-pill);
  cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
  width: 0.85rem;
  height: 0.85rem;
  background: var(--color-ink);
  border-radius: var(--radius-pill);
  cursor: pointer;
  border: none;
}

input[type="range"]:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.slider-value {
  min-width: 2.4rem;
  padding: var(--space-3xs) var(--space-2xs);
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-ink);
  font-family: var(--font-outlier);
  background: var(--color-paper-2);
  border-radius: 4px;
}

.color-input-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-2xs) var(--space-xs);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-input);
  background: var(--color-paper-2);
}

input[type="color"] {
  width: 1.25rem;
  height: 1.25rem;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  background: none;
}

input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}

input[type="color"]::-webkit-color-swatch {
  border: none;
  border-radius: 3px;
}

.color-hex {
  font-size: var(--text-xs);
  color: var(--color-ink-2);
}

.btn {
  width: 100%;
  min-height: 2.5rem;
  padding: var(--space-xs) var(--space-sm);
  border: var(--rule-hair) solid transparent;
  border-radius: var(--radius-input);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--dur-micro) var(--ease-out),
    border-color var(--dur-micro) var(--ease-out),
    color var(--dur-micro) var(--ease-out);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  white-space: nowrap;
}

.btn svg {
  width: 0.9rem;
  height: 0.9rem;
}

.btn-primary,
.btn-success {
  background: var(--color-ink);
  color: var(--color-paper);
}

@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover:not(:disabled),
  .btn-success:hover:not(:disabled) {
    background: var(--color-ink-2);
  }
}

.btn-secondary {
  background: var(--color-paper);
  color: var(--color-ink);
  border-color: var(--color-rule);
}

@media (hover: hover) and (pointer: fine) {
  .btn-secondary:hover:not(:disabled) {
    border-color: var(--color-ink-2);
  }
}

.btn:active:not(:disabled) {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn[data-state="loading"] {
  opacity: 0.7;
}

.btn[data-state="error"] {
  border-color: var(--color-danger);
  color: var(--color-danger);
  background: var(--color-paper);
}

.btn[data-state="success"] {
  background: var(--color-success);
  border-color: var(--color-success);
  color: var(--color-success-ink);
}

.panel-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.shortcut-hint {
  margin-left: var(--space-3xs);
  padding: var(--space-3xs) var(--space-2xs);
  font-size: var(--text-xs);
  font-family: var(--font-outlier);
  background: var(--color-paper-3);
  color: var(--color-paper);
  border-radius: 3px;
}

.btn-primary .shortcut-hint,
.btn-success .shortcut-hint {
  background: var(--color-paper);
  color: var(--color-ink-2);
}

/* Ft2 */
.foot-line {
  padding: var(--space-sm) var(--page-gutter) var(--space-md);
  border-top: var(--rule-hair) solid var(--color-rule);
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.tippy-box[data-theme~="sbs"] {
  background: var(--color-paper-2);
  color: var(--color-ink);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-input);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  line-height: 1.3;
  box-shadow: var(--shadow-card);
}

.tippy-box[data-theme~="sbs"] .tippy-content {
  padding: var(--space-2xs) var(--space-xs);
}

.tippy-box[data-theme~="sbs"][data-placement^="top"] > .tippy-arrow::before {
  border-top-color: var(--color-paper-2);
}

.tippy-box[data-theme~="sbs"][data-placement^="bottom"] > .tippy-arrow::before {
  border-bottom-color: var(--color-paper-2);
}

.tippy-box[data-theme~="sbs"][data-placement^="left"] > .tippy-arrow::before {
  border-left-color: var(--color-paper-2);
}

.tippy-box[data-theme~="sbs"][data-placement^="right"] > .tippy-arrow::before {
  border-right-color: var(--color-paper-2);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 150ms !important;
    animation: none !important;
  }

  .btn:active:not(:disabled),
  .direction-btn:active:not(:disabled),
  .zoom-btn:active,
  .remove-image-btn:active {
    transform: none;
  }
}