/* ---------- VoxUI Konva Canvas Studio ---------- */
/* Clean two-tone editor with light/dark theme and a no-nonsense layout. */

.vk {
  --vk-bg: #ffffff;
  --vk-panel: #ffffff;
  --vk-panel-2: #f5f5f5;
  --vk-text: #0a0a0a;
  --vk-muted: #6b6b6b;
  --vk-line: #d4d4d4;
  --vk-accent: #0a0a0a;
  --vk-accent-on: #ffffff;
  --vk-radius: 6px;
  --vk-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: var(--vk-text);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--vk-bg);
  border: 1px solid var(--vk-line);
  border-radius: 10px;
  padding: 14px;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.02);
}

.vk[data-vk-theme="dark"] {
  --vk-bg: #0a0a0a;
  --vk-panel: #111111;
  --vk-panel-2: #1a1a1a;
  --vk-text: #fafafa;
  --vk-muted: #8a8a8a;
  --vk-line: #262626;
  --vk-accent: #fafafa;
  --vk-accent-on: #0a0a0a;
}

/* ----- Header ----- */
.vk-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.vk-title {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.vk-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
}

.vk-sp {
  width: 1px;
  height: 22px;
  background: var(--vk-line);
  margin: 0 3px;
}

/* ----- Buttons ----- */
.vk-btn {
  background: var(--vk-panel);
  color: var(--vk-text);
  border: 1px solid var(--vk-line);
  border-radius: var(--vk-radius);
  padding: 7px 12px;
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
  line-height: 1.1;
  user-select: none;
  -webkit-user-select: none;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease, transform 120ms ease;
}

.vk-btn:hover {
  background: var(--vk-panel-2);
  border-color: var(--vk-accent);
}

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

.vk-btn.vk-primary {
  background: var(--vk-accent);
  color: var(--vk-accent-on);
  border-color: var(--vk-accent);
}

.vk-btn.vk-primary:hover {
  background: var(--vk-text);
  color: var(--vk-bg);
}

.vk-btn.vk-block { width: 100%; text-align: left; }
.vk-btn.vk-block.vk-primary { text-align: center; }

.vk-btn.active {
  background: var(--vk-accent);
  color: var(--vk-accent-on);
  border-color: var(--vk-accent);
}

.vk-theme-toggle {
  font-size: 1rem;
  padding: 6px 10px;
}

/* ----- Body grid ----- */
.vk-body {
  display: grid;
  grid-template-columns: minmax(240px, 280px) minmax(0, 1fr);
  gap: 12px;
  min-height: clamp(560px, 70vh, 820px);
}

/* ----- Sidebar ----- */
.vk-sidebar {
  border: 1px solid var(--vk-line);
  border-radius: 8px;
  background: var(--vk-panel);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow: auto;
  max-height: calc(100vh - 220px);
}

.vk-section {
  border: 1px solid var(--vk-line);
  border-radius: var(--vk-radius);
  background: var(--vk-panel);
  padding: 0;
}

.vk-section > summary {
  cursor: pointer;
  padding: 8px 10px;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--vk-text);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.vk-section > summary::-webkit-details-marker { display: none; }
.vk-section > summary::after {
  content: '▾';
  font-size: 0.7rem;
  color: var(--vk-muted);
  transition: transform 120ms ease;
}

.vk-section[open] > summary::after { transform: rotate(180deg); }

.vk-section[open] > *:not(summary) {
  padding: 0 10px 10px;
}

.vk-section[open] {
  background: var(--vk-panel-2);
}

.vk-section[open] > summary {
  border-bottom: 1px solid var(--vk-line);
}

.vk-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  margin-top: 8px;
}

.vk-grid-1 { grid-template-columns: 1fr; }

.vk-tile {
  background: var(--vk-panel);
  border: 1px solid var(--vk-line);
  border-radius: var(--vk-radius);
  padding: 10px 8px;
  cursor: pointer;
  font: inherit;
  font-size: 0.78rem;
  color: var(--vk-text);
  text-align: center;
  user-select: none;
  -webkit-user-select: none;
  transition: background 120ms ease, border-color 120ms ease;
}

.vk-tile:hover {
  background: var(--vk-panel-2);
  border-color: var(--vk-accent);
}

.vk-tile.vk-tall {
  padding: 14px 8px;
  font-size: 0.85rem;
  min-height: 54px;
  text-align: left;
}

.vk-prev-heading { font-family: "Playfair Display", serif; font-size: 1.2rem; font-weight: 700; }
.vk-prev-body { font-family: Inter, sans-serif; font-size: 0.95rem; }
.vk-prev-dev { font-family: "Tiro Devanagari Hindi", "Noto Serif Devanagari", serif; font-size: 1rem; }
.vk-prev-guj { font-family: "Noto Serif Gujarati", serif; font-size: 1.2rem; font-weight: 700; }
.vk-prev-script { font-family: "Great Vibes", cursive; font-size: 1.6rem; }

.vk-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--vk-muted);
  letter-spacing: 0.06em;
  margin: 10px 0 4px;
  display: block;
}

.vk-input {
  width: 100%;
  background: var(--vk-bg);
  color: var(--vk-text);
  border: 1px solid var(--vk-line);
  border-radius: var(--vk-radius);
  padding: 7px 10px;
  font: inherit;
  font-size: 0.85rem;
  outline: none;
}

.vk-input:focus { border-color: var(--vk-accent); }

.vk-input.vk-num { width: 64px; padding: 7px 6px; text-align: center; }

.vk-input.vk-flex { flex: 1; min-width: 180px; }

.vk-select {
  width: 100%;
  background: var(--vk-bg);
  color: var(--vk-text);
  border: 1px solid var(--vk-line);
  border-radius: var(--vk-radius);
  padding: 4px;
  font: inherit;
  font-size: 0.85rem;
  margin-top: 4px;
}

.vk-select option { padding: 5px 7px; }

.vk-select optgroup {
  font-family: var(--vk-mono);
  font-size: 0.7rem;
  color: var(--vk-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 700;
}

.vk-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}

.vk-row-label {
  font-size: 0.78rem;
  color: var(--vk-muted);
  flex: 1;
}

.vk-photos {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px;
  margin-top: 8px;
}

.vk-photo {
  aspect-ratio: 1;
  border: 1px solid var(--vk-line);
  border-radius: var(--vk-radius);
  overflow: hidden;
  cursor: pointer;
  background: var(--vk-panel-2);
  padding: 0;
}

.vk-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
}

.vk-photo:hover { border-color: var(--vk-accent); }

.vk-bg-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 4px;
  margin-top: 8px;
}

.vk-bg-swatch {
  aspect-ratio: 1;
  border: 1px solid var(--vk-line);
  border-radius: 4px;
  cursor: pointer;
  padding: 0;
}

.vk-bg-swatch:hover { border-color: var(--vk-accent); }

.vk-layers {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 260px;
  overflow: auto;
}

.vk-layer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 6px 8px;
  border: 1px solid var(--vk-line);
  border-radius: var(--vk-radius);
  background: var(--vk-panel);
  cursor: pointer;
  font-size: 0.78rem;
}

.vk-layer.active { border-color: var(--vk-accent); background: var(--vk-panel-2); }

.vk-layer-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.vk-layer-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--vk-muted);
  padding: 2px 6px;
  cursor: pointer;
  font-size: 0.8rem;
  border-radius: 4px;
}

.vk-layer-btn:hover { color: var(--vk-text); border-color: var(--vk-line); }

/* ----- Main canvas area ----- */
.vk-main {
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  gap: 8px;
  min-height: 0;
}

.vk-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  border: 1px solid var(--vk-line);
  border-radius: 8px;
  background: var(--vk-panel);
}

.vk-color-lbl {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.72rem;
  color: var(--vk-muted);
  padding: 3px 8px;
  border: 1px solid var(--vk-line);
  border-radius: var(--vk-radius);
  background: var(--vk-panel);
  height: 32px;
}

.vk-color-lbl input[type="color"] {
  width: 26px;
  height: 22px;
  border: 1px solid var(--vk-line);
  border-radius: 4px;
  padding: 0;
  background: transparent;
  cursor: pointer;
}

.vk-color-lbl input[type="range"] { width: 80px; }

.vk-stage-wrap {
  border: 1px solid var(--vk-line);
  border-radius: 8px;
  background: var(--vk-panel-2);
  background-image:
    linear-gradient(45deg, rgba(0,0,0,0.04) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(0,0,0,0.04) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(0,0,0,0.04) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(0,0,0,0.04) 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  padding: 16px;
  min-height: 420px;
  position: relative;
}

.vk[data-vk-theme="dark"] .vk-stage-wrap {
  background-image:
    linear-gradient(45deg, rgba(255,255,255,0.04) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255,255,255,0.04) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255,255,255,0.04) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255,255,255,0.04) 75%);
}

.vk-stage {
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15), 0 0 0 1px var(--vk-line);
  border-radius: 4px;
  background: #ffffff;
}

.vk[data-vk-theme="dark"] .vk-stage {
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255,255,255,0.06);
}

/* Pages bar */
.vk-pages-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border: 1px solid var(--vk-line);
  border-radius: 8px;
  background: var(--vk-panel);
  flex-wrap: wrap;
}

.vk-pages-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--vk-muted);
}

.vk-pages {
  display: flex;
  gap: 4px;
  flex: 1;
  overflow-x: auto;
  min-width: 0;
}

.vk-page {
  min-width: 64px;
  height: 42px;
  border: 1px solid var(--vk-line);
  border-radius: var(--vk-radius);
  background: var(--vk-panel-2);
  background-size: cover;
  background-position: center;
  color: var(--vk-text);
  cursor: pointer;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.vk-page::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.0) 0%, rgba(0,0,0,0.45) 100%);
  z-index: 0;
}

.vk-page > span {
  position: relative;
  z-index: 1;
  color: #ffffff;
  text-shadow: 0 0 4px rgba(0,0,0,0.7);
}

.vk-page.active {
  border-color: var(--vk-accent);
  box-shadow: 0 0 0 2px var(--vk-bg), 0 0 0 3px var(--vk-accent);
}

.vk-pages-actions, .vk-zoom {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.vk-zoom input[type="range"] { width: 100px; }

.vk-status {
  font-family: var(--vk-mono);
  font-size: 0.72rem;
  color: var(--vk-muted);
  padding: 0 4px;
  min-height: 18px;
}

/* ----- Footer ----- */
.vk-footer {
  text-align: center;
  font-size: 0.74rem;
  color: var(--vk-muted);
  font-family: var(--vk-mono);
  padding-top: 8px;
  border-top: 1px solid var(--vk-line);
}

.vk-footer a {
  color: var(--vk-text);
  text-decoration: underline;
}

/* ----- Responsive ----- */
@media (max-width: 1100px) {
  .vk-body {
    grid-template-columns: 240px minmax(0, 1fr);
  }
  .vk-photos { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .vk-body {
    grid-template-columns: 1fr;
  }
  .vk-sidebar {
    max-height: 280px;
  }
  .vk-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .vk-photos { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .vk-actions { width: 100%; }
  .vk-toolbar { padding: 6px; }
  .vk-grid { grid-template-columns: 1fr; }
}