@import url("https://fonts.googleapis.com/css2?family=Abril+Fatface&family=Bagel+Fat+One&family=Bowlby+One&family=Bungee&family=Inter:wght@900&family=Lilita+One&family=Modak&family=Playfair+Display:wght@900&family=Rubik+Bubbles&display=swap");

:root {
  color-scheme: dark;
  --bg: #10131a;
  --panel: #171c25;
  --panel-strong: #1f2632;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.2);
  --text: #f5f7fb;
  --muted: #aab4c3;
  --accent: #3fbf9f;
  --accent-strong: #68e5c5;
  --danger: #ff8a8a;
  --success: #98f0b7;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100%;
  margin: 0;
  font-family: Outfit, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    linear-gradient(180deg, rgba(63, 191, 159, 0.08), transparent 340px),
    var(--bg);
  color: var(--text);
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled,
input:disabled,
select:disabled {
  cursor: not-allowed;
  opacity: 0.56;
}

.admin-shell {
  width: min(1220px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}

.admin-kicker {
  margin: 0 0 5px;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.admin-header h1 {
  margin: 0;
  font-size: clamp(1.65rem, 4vw, 2.55rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.admin-badge {
  flex: 0 0 auto;
  border: 1px solid rgba(104, 229, 197, 0.46);
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(63, 191, 159, 0.12);
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 900;
}

.access-panel,
.config-panel,
.preview-panel,
.pattern-editor-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(23, 28, 37, 0.94);
  box-shadow: var(--shadow);
}

.access-panel {
  padding: 26px;
}

.access-panel h2 {
  margin: 0 0 8px;
  font-size: 1.35rem;
}

.access-panel p {
  margin: 0;
  color: var(--muted);
}

.admin-grid {
  display: grid;
  grid-template-columns: minmax(310px, 390px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.config-panel,
.preview-panel,
.pattern-editor-panel {
  padding: 18px;
}

.pattern-editor-panel {
  grid-column: 1 / -1;
}

.panel-head {
  margin-bottom: 16px;
}

.panel-head h2 {
  margin: 0 0 6px;
  font-size: 1.2rem;
}

.panel-head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.45;
}

.control-field {
  display: grid;
  gap: 8px;
  margin-bottom: 15px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

.control-field input,
.control-field select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 10px 12px;
  background: #0d1118;
  color: var(--text);
  outline: none;
}

.control-field input:focus,
.control-field select:focus {
  border-color: rgba(104, 229, 197, 0.72);
  box-shadow: 0 0 0 3px rgba(63, 191, 159, 0.15);
}

.control-field small {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.35;
}

.control-field input[type="file"] {
  min-height: auto;
  padding: 9px;
}

.font-select {
  font-weight: 900;
}

.font-select option {
  background: #0d1118;
  color: var(--text);
  font-size: 1.02rem;
  font-weight: 900;
}

.size-control-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 58px;
  gap: 10px;
  align-items: center;
}

.size-control-row input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.size-control-row output {
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 900;
  text-align: right;
}

.theme-preview-wrap {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  margin: 0 0 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.035);
}

.theme-preview {
  width: 86px;
  height: 112px;
  border-radius: 6px;
  object-fit: cover;
  background: #080b10;
}

.theme-preview-wrap strong,
.theme-preview-wrap span {
  display: block;
  min-width: 0;
  overflow-wrap: anywhere;
}

.theme-preview-wrap strong {
  margin-bottom: 5px;
  color: var(--text);
  font-size: 0.95rem;
}

.theme-preview-wrap span {
  color: var(--muted);
  font-size: 0.84rem;
}

.mode-fieldset {
  margin: 0 0 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.mode-fieldset legend {
  padding: 0 6px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

.mode-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mode-toggle {
  min-height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 8px 12px;
  background: #0d1118;
  color: var(--text);
  font-weight: 900;
}

.mode-toggle[hidden] {
  display: none;
}

.mode-toggle:hover:not(:disabled),
.mode-toggle:focus-visible {
  border-color: rgba(104, 229, 197, 0.72);
}

.mode-toggle.is-active {
  border-color: rgba(104, 229, 197, 0.9);
  background: rgba(63, 191, 159, 0.2);
  color: var(--accent-strong);
}

.style-fieldset {
  margin: 0 0 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.style-fieldset legend {
  padding: 0 6px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

.nudge-fieldset {
  margin: 0 0 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.nudge-fieldset legend {
  padding: 0 6px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

.number-nudge {
  display: grid;
  grid-template-columns: 42px 86px 42px;
  grid-template-rows: 38px 38px 38px;
  justify-content: start;
  gap: 6px;
  margin-bottom: 10px;
}

.nudge-button,
.nudge-reset-button {
  min-height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #0d1118;
  color: var(--text);
  font-weight: 900;
}

.nudge-button {
  width: 42px;
  height: 38px;
  padding: 0;
  font-size: 1.15rem;
  justify-self: center;
  line-height: 1;
}

.nudge-button:hover:not(:disabled),
.nudge-button:focus-visible,
.nudge-reset-button:hover:not(:disabled),
.nudge-reset-button:focus-visible {
  border-color: rgba(104, 229, 197, 0.72);
  color: var(--accent-strong);
}

.number-offset-value {
  display: grid;
  place-items: center;
  min-width: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  text-align: center;
}

.nudge-reset-button {
  width: 132px;
  padding: 8px 11px;
  font-size: 0.88rem;
}

.overlay-debug-panel {
  margin: 0 0 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.overlay-debug-panel legend {
  padding: 0 6px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

.overlay-debug-grid {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 10px;
  margin-bottom: 10px;
}

.overlay-debug-grid span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
}

.overlay-debug-grid output {
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 900;
  text-align: right;
}

.overlay-copy-button {
  width: 100%;
}

.grid-size-nudges {
  display: inline-flex;
  gap: 6px;
}

.grid-size-nudge-button {
  width: 34px;
  min-height: 32px;
  height: 32px;
  font-size: 1rem;
}

.color-swatches {
  display: grid;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  gap: 7px;
  margin-bottom: 12px;
}

.color-swatch {
  width: 100%;
  aspect-ratio: 1;
  min-height: 32px;
  border: 2px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.28), transparent 42%),
    var(--swatch);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.18);
}

.color-swatch[data-color="#FFFFFF"] {
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.5);
}

.rainbow-swatch {
  --swatch: #ff1493;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.28), transparent 42%),
    linear-gradient(90deg, #ff1744, #ff9100, #ffea00, #00c853, #00b0ff, #7c4dff, #ff1493);
}

.color-swatch.is-selected {
  border-color: var(--accent-strong);
  box-shadow:
    0 0 0 3px rgba(104, 229, 197, 0.22),
    inset 0 0 0 2px rgba(0, 0, 0, 0.46);
}

.custom-color-row {
  display: grid;
  grid-template-columns: auto 44px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  margin-bottom: 12px;
}

.custom-color-button {
  min-height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 8px 12px;
  background: #0d1118;
  color: var(--text);
  font-weight: 900;
}

.custom-color-button:hover:not(:disabled),
.custom-color-button:focus-visible {
  border-color: rgba(104, 229, 197, 0.72);
}

.custom-color-picker {
  width: 44px;
  height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 3px;
  background: #0d1118;
}

.selected-color-text {
  min-width: 0;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 900;
  overflow-wrap: anywhere;
}

#sequenceBoardStyleFieldset .custom-color-row > span:first-child {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

#sequenceBoardStyleFieldset .sequence-board-opacity {
  margin-bottom: 0;
}

.effect-toggles {
  display: grid;
  gap: 8px;
}

.effect-toggle {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 800;
}

.effect-toggle input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.primary-action,
.secondary-action {
  width: 100%;
  min-height: 46px;
  border: 0;
  border-radius: 8px;
  padding: 11px 14px;
  font-weight: 900;
}

.primary-action {
  background: linear-gradient(180deg, #68e5c5, #32aa8b);
  color: #07130f;
}

.secondary-action {
  margin-top: 14px;
  border: 1px solid rgba(104, 229, 197, 0.5);
  background: rgba(63, 191, 159, 0.12);
  color: var(--accent-strong);
}

.compact-action {
  margin-top: 10px;
  min-height: 40px;
  padding: 9px 12px;
}

.paste-master-fieldset {
  margin: 14px 0 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.paste-master-fieldset legend {
  padding: 0 6px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

.paste-master-fieldset textarea {
  width: 100%;
  min-height: 112px;
  resize: vertical;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 10px;
  background: #0d1118;
  color: var(--text);
  font: 800 0.9rem/1.35 Outfit, system-ui, sans-serif;
}

.paste-master-fieldset textarea::placeholder {
  color: rgba(232, 238, 247, 0.42);
}

.status-text {
  min-height: 22px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.4;
}

.status-text[data-tone="error"] {
  color: var(--danger);
}

.status-text[data-tone="success"] {
  color: var(--success);
}

.pattern-mask-fieldset {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
}

.pattern-mask-fieldset legend {
  padding: 0 6px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

.pattern-mask-workspace {
  display: grid;
  grid-template-columns: minmax(250px, 320px) minmax(300px, 1fr);
  gap: 24px;
  align-items: start;
}

.pattern-name-field {
  margin-bottom: 12px;
}

.pattern-art-field {
  margin-bottom: 12px;
}

.pattern-underlay-controls {
  display: grid;
  gap: 10px;
  margin-bottom: 12px;
}

.pattern-opacity-field {
  margin-bottom: 0;
}

.pattern-underlay-controls .pattern-mask-small-button {
  width: fit-content;
}

.pattern-mask-stage {
  position: relative;
  width: min(100%, 300px);
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 8px;
  background: #090d13;
}

.pattern-mask-underlay {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.pattern-mask-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 7px;
  width: 100%;
  height: 100%;
  padding: 7px;
}

.pattern-mask-cell {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  min-height: 0;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: rgba(13, 17, 24, 0.76);
  color: var(--text);
  transition: border-color 120ms ease, background 120ms ease, box-shadow 120ms ease;
}

.pattern-mask-cell:hover:not(:disabled),
.pattern-mask-cell:focus-visible {
  border-color: rgba(104, 229, 197, 0.72);
}

.pattern-mask-cell.is-on {
  border-color: rgba(104, 229, 197, 0.9);
  background: rgba(37, 188, 148, 0.84);
  box-shadow: inset 0 0 0 2px rgba(104, 229, 197, 0.54);
}

.pattern-mask-cell.is-free {
  background: rgba(36, 94, 81, 0.86);
  color: var(--accent-strong);
  opacity: 1;
}

.pattern-mask-cell__index {
  position: absolute;
  top: 5px;
  left: 6px;
  color: rgba(232, 238, 247, 0.4);
  font-size: 0.64rem;
  font-weight: 800;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.78);
}

.pattern-mask-cell__label {
  color: inherit;
  font-size: 0.75rem;
  font-weight: 900;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.86);
}

.pattern-mask-actions {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.pattern-mask-actions .secondary-action {
  margin-top: 0;
}

.pattern-mask-library h3 {
  margin: 0 0 12px;
  color: var(--text);
  font-size: 1rem;
}

.saved-pattern-masks {
  display: grid;
  gap: 10px;
}

.saved-pattern-empty {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.saved-pattern-card {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.025);
}

.saved-pattern-meta strong,
.saved-pattern-meta span {
  display: block;
}

.saved-pattern-meta strong {
  margin-bottom: 4px;
  color: var(--text);
}

.saved-pattern-meta span {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.pattern-mask-preview {
  display: grid;
  grid-template-columns: repeat(5, 12px);
  gap: 3px;
}

.pattern-mask-preview span {
  width: 12px;
  height: 12px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 3px;
  background: #0d1118;
}

.pattern-mask-preview span.is-on {
  border-color: rgba(104, 229, 197, 0.7);
  background: rgba(63, 191, 159, 0.8);
}

.pattern-mask-preview span.is-free {
  box-shadow: inset 0 0 0 2px rgba(16, 19, 26, 0.58);
}

.saved-pattern-buttons {
  display: flex;
  gap: 7px;
}

.pattern-mask-small-button {
  min-height: 36px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 7px 11px;
  background: #0d1118;
  color: var(--text);
  font-weight: 900;
}

.pattern-mask-small-button:hover:not(:disabled),
.pattern-mask-small-button:focus-visible {
  border-color: rgba(104, 229, 197, 0.72);
  color: var(--accent-strong);
}

.pattern-mask-small-button.is-delete:hover:not(:disabled),
.pattern-mask-small-button.is-delete:focus-visible {
  border-color: rgba(255, 138, 138, 0.65);
  color: var(--danger);
}

.preview-gallery-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 0 0 12px;
}

.preview-nav-button {
  width: 40px;
  height: 36px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #0d1118;
  color: var(--text);
  font-size: 1.2rem;
  font-weight: 900;
  line-height: 1;
}

.preview-nav-button:hover:not(:disabled),
.preview-nav-button:focus-visible {
  border-color: rgba(104, 229, 197, 0.72);
  color: var(--accent-strong);
}

.preview-sheet-label {
  min-width: 110px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 900;
  text-align: center;
}

.sheet-preview-frame {
  display: grid;
  place-items: center;
  min-height: 560px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background:
    linear-gradient(45deg, rgba(255, 255, 255, 0.035) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255, 255, 255, 0.035) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255, 255, 255, 0.035) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255, 255, 255, 0.035) 75%),
    #0c1017;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
  background-size: 16px 16px;
  overflow: auto;
}

.sheet-preview {
  display: block;
  width: min(100%, 520px);
  height: auto;
  background: #ffffff;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.42);
}

.empty-preview {
  display: grid;
  place-items: center;
  width: min(100%, 520px);
  aspect-ratio: 8.5 / 11;
  border: 1px dashed rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  color: var(--muted);
  text-align: center;
  padding: 20px;
}

[hidden] {
  display: none !important;
}

@media (max-width: 860px) {
  .admin-grid {
    grid-template-columns: 1fr;
  }

  .pattern-mask-workspace {
    grid-template-columns: 1fr;
  }

  .sheet-preview-frame {
    min-height: 420px;
  }
}

@media (max-width: 560px) {
  .admin-shell {
    width: min(100% - 20px, 1220px);
    padding-top: 18px;
  }

  .admin-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .config-panel,
  .preview-panel,
  .pattern-editor-panel,
  .access-panel {
    padding: 14px;
  }

  .pattern-mask-fieldset {
    padding: 11px;
  }

  .saved-pattern-card {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .saved-pattern-buttons {
    grid-column: 1 / -1;
  }

  .theme-preview-wrap {
    grid-template-columns: 72px minmax(0, 1fr);
  }

  .theme-preview {
    width: 72px;
    height: 96px;
  }

  .sheet-preview-frame {
    min-height: 320px;
    padding: 8px;
  }
}