/* ========================================
   Fooontipo — Style
   Monochrome · Lightweight · Max 1200px
   ======================================== */

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

:root {
  /* Monochrome palette */
  --white: #ffffff;
  --gray-50: #fafafa;
  --gray-100: #f5f5f5;
  --gray-200: #eeeeee;
  --gray-300: #e0e0e0;
  --gray-400: #bdbdbd;
  --gray-500: #9e9e9e;
  --gray-600: #757575;
  --gray-700: #616161;
  --gray-800: #424242;
  --gray-900: #212121;
  --black: #000000;

  /* Semantic */
  --bg: var(--white);
  --bg-surface: var(--gray-50);
  --bg-elevated: var(--white);
  --border: var(--gray-200);
  --border-hover: var(--gray-400);
  --text-primary: var(--gray-900);
  --text-secondary: var(--gray-600);
  --text-tertiary: var(--gray-400);

  /* Sizes */
  --radius: 4px;
  --max-width: 1200px;

  /* Font */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
}

/* ---- Container ---- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ---- Header ---- */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.3px;
  color: var(--text-primary);
}

.badge {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-tertiary);
  background: var(--gray-100);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: var(--radius);
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn:hover {
  border-color: var(--border-hover);
  background: var(--gray-50);
}

.btn .material-icons-outlined {
  font-size: 16px;
}

.btn-ghost {
  border-color: transparent;
  background: transparent;
}

.btn-ghost:hover {
  background: var(--gray-100);
  border-color: transparent;
}

.btn-icon {
  padding: 6px;
  border: 1px solid transparent;
}

.btn-icon:hover {
  background: var(--gray-100);
}

.btn-preset {
  padding: 6px 12px;
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--bg);
}

.btn-preset.active {
  background: var(--gray-900);
  color: var(--white);
  border-color: var(--gray-900);
}

.link {
  background: none;
  border: none;
  color: var(--gray-900);
  font-family: var(--font);
  font-size: inherit;
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
}

.link:hover {
  color: var(--gray-600);
}

/* ---- Upload Zone ---- */
.upload-zone {
  border: 1.5px dashed var(--gray-300);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s ease;
  background: var(--bg);
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--gray-500);
  background: var(--gray-50);
}

.upload-zone.dragover {
  border-style: solid;
}

.upload-icon {
  font-size: 36px;
  color: var(--text-tertiary);
  margin-bottom: 12px;
}

.upload-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.upload-sub {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.upload-formats {
  font-size: 11px;
  color: var(--text-tertiary);
  letter-spacing: 0.5px;
}

/* ---- Section Header ---- */
.section-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.section-header .material-icons-outlined {
  font-size: 18px;
  color: var(--text-tertiary);
}

.section-title {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-secondary);
}

.font-count {
  font-size: 11px;
  font-weight: 500;
  background: var(--gray-900);
  color: var(--white);
  padding: 1px 7px;
  border-radius: var(--radius);
  margin-left: 4px;
}

.preview-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ---- Font Tags ---- */
.font-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.font-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
  background: var(--gray-100);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.font-tag .material-icons-outlined {
  font-size: 14px;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: color 0.15s ease;
}

.font-tag .material-icons-outlined:hover {
  color: var(--gray-900);
}

.font-tag-format {
  font-size: 10px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

/* ---- Controls ---- */
.controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  padding: 16px;
  background: var(--gray-50);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.control-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.control-label .material-icons-outlined {
  font-size: 16px;
}

.control-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.control-value {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  min-width: 40px;
  text-align: right;
}

/* Slider */
.slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--gray-200);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  background: var(--gray-900);
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.1s ease;
}

.slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--gray-900);
  border: none;
  border-radius: 50%;
  cursor: pointer;
}

/* Select */
.select {
  padding: 8px 10px;
  font-family: var(--font);
  font-size: 13px;
  color: var(--text-primary);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  outline: none;
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.select:hover,
.select:focus {
  border-color: var(--border-hover);
}

/* Color Picker */
.color-row {
  display: flex;
  gap: 16px;
}

.color-input {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
}

.color-input input[type="color"] {
  -webkit-appearance: none;
  appearance: none;
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2px;
  cursor: pointer;
  background: none;
}

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

.color-input input[type="color"]::-webkit-color-swatch {
  border: none;
  border-radius: 2px;
}

/* ---- Presets ---- */
.preset-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* ---- Text Input ---- */
.text-input {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font);
  font-size: 14px;
  color: var(--text-primary);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  outline: none;
  resize: vertical;
  line-height: 1.6;
  transition: border-color 0.15s ease;
}

.text-input:focus {
  border-color: var(--border-hover);
}

.text-input::placeholder {
  color: var(--text-tertiary);
}

/* ---- Viewport Switcher ---- */
.viewport-switcher {
  display: flex;
  align-items: center;
  gap: 2px;
}

.viewport-btn.active {
  background: var(--gray-100);
}

.actions-divider {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 4px;
}

/* ---- Preview Cards ---- */
.preview-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: max-width 0.3s ease;
}

.preview-cards.viewport-constrained {
  margin: 0 auto;
  border-left: 1px dashed var(--gray-300);
  border-right: 1px dashed var(--gray-300);
  padding: 0 1px;
}

.preview-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.15s ease;
}

.preview-card:hover {
  border-color: var(--border-hover);
}

.preview-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  background: var(--gray-50);
  border-bottom: 1px solid var(--border);
}

.preview-card-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
}

.preview-card-actions {
  display: flex;
  gap: 2px;
}

.preview-card-actions .btn-icon {
  padding: 4px;
}

.preview-card-actions .btn-icon .material-icons-outlined {
  font-size: 15px;
  color: var(--text-tertiary);
}

.preview-card-actions .btn-icon:hover .material-icons-outlined {
  color: var(--text-primary);
}

.preview-card-meta-bar {
  display: flex;
  gap: 12px;
  padding: 6px 16px;
  background: var(--gray-50);
  border-bottom: 1px solid var(--border);
  font-size: 10px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.preview-card-body {
  padding: 24px;
  min-height: 60px;
  word-break: break-word;
  white-space: pre-wrap;
  transition: background 0.2s ease, color 0.2s ease;
}

/* Dark preview mode */
.preview-dark .preview-card-body {
  background: var(--gray-900);
  color: var(--white);
}

/* ---- CSS Modal ---- */
.css-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 24px;
}

.css-modal {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  width: 100%;
  max-width: 560px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.css-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.css-modal-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.css-modal-title .material-icons-outlined {
  font-size: 16px;
  color: var(--text-tertiary);
}

.css-modal-close {
  padding: 4px;
}

.css-modal-code {
  padding: 16px;
  font-family: 'Courier New', Courier, monospace;
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--gray-50);
  overflow-y: auto;
  white-space: pre;
  flex: 1;
}

.css-modal-footer {
  display: flex;
  justify-content: flex-end;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
}

.css-modal-copy {
  font-size: 12px;
  padding: 6px 12px;
}

/* ---- Footer ---- */
.footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-tertiary);
}

.footer .material-icons-outlined {
  font-size: 14px;
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .container {
    padding: 20px 16px;
  }

  .upload-zone {
    padding: 32px 16px;
  }

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

  .header-left .badge {
    display: none;
  }

  .viewport-switcher {
    display: none;
  }
}