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

:root {
  --bg: #f7f7f5;
  --accent: #6c47ff;
  --accent-hover: #5535e0;
  --white: #ffffff;
  --border: #e8e8e4;
  --text: #1a1a1a;
  --muted: #888;
  --danger: #ef4444;
  --card-shadow: 0 8px 40px rgba(0,0,0,0.08);
  --radius-card: 20px;
  --radius-btn: 100px;
  --radius-input: 12px;
}

html, body {
  height: 100%;
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  overflow: hidden;
}

/* ─── TOOLBAR ─── */
.toolbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px;
  height: 60px;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.toolbar-left { flex: 0 0 auto; }
.toolbar-center { flex: 1; display: flex; align-items: center; gap: 6px; justify-content: center; }
.toolbar-right { flex: 0 0 auto; display: flex; align-items: center; gap: 6px; }

.logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.5px;
  color: var(--accent);
}

.toolbar-sep {
  width: 1px;
  height: 24px;
  background: var(--border);
  margin: 0 4px;
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: none;
  border-radius: var(--radius-btn);
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.15s ease;
  white-space: nowrap;
  outline: none;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  background: var(--white);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transform: translateY(-1px);
}

.btn-tool {
  background: transparent;
  color: var(--muted);
  border: 1px solid transparent;
}
.btn-tool:hover {
  background: var(--white);
  color: var(--text);
  border-color: var(--border);
}
.btn-tool.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
}
.btn-accent:hover {
  background: var(--accent-hover);
  box-shadow: 0 4px 16px rgba(108,71,255,0.35);
  transform: translateY(-1px);
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid #fecaca;
}
.btn-danger:hover {
  background: #fef2f2;
  box-shadow: 0 2px 8px rgba(239,68,68,0.12);
  transform: translateY(-1px);
}

/* ─── ZOOM LABEL ─── */
.zoom-label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
  user-select: none;
}
#zoom-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 80px;
  height: 4px;
  border-radius: 4px;
  background: var(--border);
  outline: none;
  cursor: pointer;
}
#zoom-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  transition: box-shadow 0.15s;
}
#zoom-slider::-webkit-slider-thumb:hover {
  box-shadow: 0 0 0 4px rgba(108,71,255,0.2);
}
#zoom-value {
  color: var(--text);
  font-weight: 500;
  min-width: 28px;
}

/* ─── LOADING OVERLAY ─── */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(4px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.2s;
}
.loading-overlay.hidden { display: none; }
.loading-card {
  background: var(--white);
  border-radius: var(--radius-card);
  padding: 40px 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  box-shadow: var(--card-shadow);
}
.loading-card p { font-weight: 500; color: var(--muted); }
.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── MAIN LAYOUT ─── */
.layout {
  display: grid;
  grid-template-columns: 200px 1fr 280px;
  height: calc(100vh - 60px);
  overflow: hidden;
}

/* ─── SIDEBAR SHARED ─── */
.char-sidebar, .preview-sidebar {
  background: var(--white);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.preview-sidebar {
  border-right: none;
  border-left: 1px solid var(--border);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 16px 12px;
  position: sticky;
  top: 0;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  z-index: 1;
}
.sidebar-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--muted);
}
.glyph-count {
  font-size: 11px;
  background: #f3f0ff;
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 100px;
  font-weight: 600;
}

/* ─── CHARACTER GRID ─── */
.char-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  padding: 12px;
}

.char-card {
  aspect-ratio: 1;
  border-radius: 10px;
  border: 1.5px solid transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
  position: relative;
  font-size: 16px;
  font-weight: 600;
  user-select: none;
  background: #f5f5f3;
  color: #bbb;
}
.char-card:hover {
  background: #ede9ff;
  color: var(--accent);
  border-color: #c4b5fd;
  transform: scale(1.05);
}
.char-card.drawn {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.char-card.drawn:hover {
  background: var(--accent-hover);
}
.char-card.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(108,71,255,0.25);
}
.char-card.drawn.active {
  box-shadow: 0 0 0 3px rgba(108,71,255,0.4);
}
.char-badge {
  position: absolute;
  top: 3px;
  right: 3px;
  width: 10px;
  height: 10px;
  background: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.char-badge svg { width: 7px; height: 7px; stroke: var(--accent); stroke-width: 3; }

/* ─── CANVAS SECTION ─── */
.canvas-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 20px;
  overflow: auto;
  gap: 16px;
}

.canvas-info {
  display: flex;
  align-items: baseline;
  gap: 12px;
  align-self: flex-start;
}
.current-char-label {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 40px;
  color: var(--accent);
  line-height: 1;
}
.canvas-hint {
  color: var(--muted);
  font-size: 13px;
}

.canvas-outer {
  overflow: hidden;
  border-radius: 16px;
  box-shadow: var(--card-shadow);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.canvas-wrapper {
  transform-origin: top left;
  transition: transform 0.2s ease;
  line-height: 0;
}

#main-canvas {
  display: block;
  cursor: crosshair;
}

.canvas-legend {
  display: flex;
  gap: 20px;
  align-self: flex-start;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}
.legend-dot {
  width: 10px;
  height: 3px;
  border-radius: 2px;
}

/* ─── PREVIEW SIDEBAR ─── */
.preview-input-wrap {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}
.preview-input {
  width: 100%;
  padding: 8px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-input);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  outline: none;
  background: var(--bg);
  color: var(--text);
  transition: border-color 0.15s;
}
.preview-input:focus {
  border-color: var(--accent);
}

.preview-block {
  padding: 14px;
  border-bottom: 1px solid var(--border);
}
.preview-size-label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  display: block;
  margin-bottom: 8px;
}
.preview-canvas {
  border-radius: 8px;
  background: var(--bg);
  display: block;
  max-width: 100%;
}

.preview-stats {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.stat-label { font-size: 12px; color: var(--muted); }
.stat-value { font-weight: 600; font-size: 13px; color: var(--text); }

/* ─── SCROLLBARS ─── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #ddd; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #bbb; }

/* ─── HOME BUTTON ─── */
.toolbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
}
.btn-home {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  text-decoration: none;
  transition: all 0.15s ease;
  flex-shrink: 0;
}
.btn-home:hover {
  background: var(--white);
  color: var(--accent);
  border-color: #c4b5fd;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

/* ─── POPULAR FONTS MODAL ─── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 10, 40, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.18s ease;
}
.modal-overlay.hidden { display: none; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }

.modal-card {
  background: var(--white);
  border-radius: 24px;
  width: min(700px, 100%);
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 32px 100px rgba(0,0,0,0.22);
  animation: slideUp 0.2s ease;
  overflow: hidden;
}

.modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 24px 24px 0;
  gap: 16px;
}
.modal-title {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 20px;
  color: var(--text);
}
.modal-subtitle {
  font-size: 13px;
  color: var(--muted);
  margin-top: 4px;
}
.modal-close-btn {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  transition: all 0.15s;
}
.modal-close-btn:hover {
  background: #fef2f2;
  border-color: #fecaca;
  color: var(--danger);
}

.modal-search-row {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px 24px 0;
}
.modal-search-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-input);
  padding: 0 14px;
  transition: border-color 0.15s;
}
.modal-search-wrap:focus-within { border-color: var(--accent); }
.modal-search {
  border: none;
  background: transparent;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  color: var(--text);
  padding: 9px 0;
  outline: none;
  width: 100%;
}

.modal-tabs {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.modal-tab {
  padding: 5px 14px;
  border-radius: 100px;
  border: 1.5px solid var(--border);
  background: transparent;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s;
}
.modal-tab:hover {
  border-color: #c4b5fd;
  color: var(--accent);
  background: #f5f0ff;
}
.modal-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* Font grid inside modal */
.font-modal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: 10px;
  padding: 16px 24px;
  overflow-y: auto;
  flex: 1;
}

.font-modal-card {
  border: 2px solid var(--border);
  border-radius: 16px;
  padding: 18px 12px 14px;
  cursor: pointer;
  text-align: center;
  transition: all 0.15s ease;
  background: var(--bg);
  position: relative;
  user-select: none;
}
.font-modal-card:hover {
  border-color: var(--accent);
  background: #f8f5ff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(108,71,255,0.12);
}
.font-modal-card.selected {
  border-color: var(--accent);
  background: #f0ebff;
  box-shadow: 0 0 0 3px rgba(108,71,255,0.2);
}
.font-modal-card .fmc-preview {
  font-size: 30px;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 8px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.font-modal-card .fmc-name {
  font-size: 11px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-family: 'Inter', sans-serif;
}
.font-modal-card .fmc-tag {
  display: inline-block;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 100px;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
}
.fmc-tag-system { background: #f0f9ff; color: #0369a1; }
.fmc-tag-google { background: #f0fdf4; color: #15803d; }
.font-modal-card.selected .fmc-tag {
  background: var(--accent);
  color: #fff;
}
.fmc-check {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 18px;
  height: 18px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.6);
  transition: all 0.15s;
}
.font-modal-card.selected .fmc-check {
  opacity: 1;
  transform: scale(1);
}
.fmc-check svg { width: 10px; height: 10px; stroke: #fff; stroke-width: 3; }

.font-modal-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--muted);
  padding: 40px 0;
  font-size: 14px;
}

.modal-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.modal-selected-label {
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
}
.modal-selected-label.has-selection {
  color: var(--accent);
  font-weight: 600;
}