/* ===== COLOR PALETTE DESIGN STUDIO CSS ===== */

/* ===== TOOL HEADER ===== */
.tool-header {
  text-align: center;
  padding: 56px 24px 32px;
  position: relative;
  z-index: 1;
}
.tool-header .badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(139,92,246,.13);
  border: 1px solid rgba(139,92,246,.25);
  color: var(--p);
  font-size: .78rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.tool-header h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  margin-bottom: 12px;
  line-height: 1.15;
}
.tool-header h1 .highlight {
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.tool-header p { color: var(--t2); font-size: 1.05rem; max-width: 520px; margin: 0 auto; }

/* ===== MAIN WORKSPACE ===== */
.workspace-layout {
  max-width: 1150px;
  margin: 0 auto;
  padding: 0 24px 60px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 24px;
}
@media (max-width: 900px) {
  .workspace-layout {
    grid-template-columns: 1fr;
  }
}

/* ===== TAB CONTROL ROW ===== */
.tab-row {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}
.tab-btn {
  flex: 1;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  color: var(--t2);
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
}
.tab-btn:hover { border-color: var(--p); color: var(--t); }
.tab-btn.active {
  background: var(--grad);
  border-color: transparent;
  color: #fff;
}

/* ===== WORKSPACE CONTROLS ===== */
.control-panel {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.sub-section-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--t);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ===== OUTPUT PANELS ===== */
.output-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Base Input & Select Field Styling */
.input-field {
  width: 100%;
  background: rgba(0, 0, 0, 0.25) !important;
  border: 1px solid var(--border) !important;
  border-radius: 10px !important;
  padding: 11px 14px !important;
  color: var(--t) !important;
  font-family: inherit !important;
  font-size: 0.9rem !important;
  outline: none !important;
  transition: all 0.3s !important;
  box-sizing: border-box !important;
}
.input-field:focus {
  border-color: var(--p) !important;
  background: rgba(0, 0, 0, 0.35) !important;
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.15) !important;
}

/* Custom styled select fields & options */
select.input-field {
  appearance: none !important;
  -webkit-appearance: none !important;
  -moz-appearance: none !important;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238b5cf6' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: right 14px center !important;
  background-size: 12px !important;
  padding-right: 36px !important;
  cursor: pointer !important;
}
select.input-field option {
  background-color: #0c0c1e !important;
  color: #fff !important;
  padding: 10px !important;
}

/* Palette Grid & Color Cards */
.palette-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
@media (max-width: 480px) {
  .palette-grid {
    grid-template-columns: 1fr 1fr;
  }
}
.color-input-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: all 0.2s ease;
  cursor: pointer;
}
.color-input-box:hover {
  border-color: rgba(255,255,255,0.08);
}
.color-input-box.selected-card {
  border-color: var(--p) !important;
  background: rgba(139, 92, 246, 0.04);
  box-shadow: 0 0 12px rgba(139, 92, 246, 0.15);
}
.color-input-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.color-picker-wrapper {
  position: relative;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  overflow: hidden;
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  flex-shrink: 0;
}
.color-picker-input {
  position: absolute;
  top: -5px;
  left: -5px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  padding: 0;
  border: 0;
  background: transparent;
}
.hex-text-input {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border);
  color: var(--t);
  font-family: monospace;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 8px;
  border-radius: 6px;
  width: 100%;
  text-align: center;
  outline: none;
}
.btn-lock {
  background: none;
  border: none;
  color: var(--t3);
  cursor: pointer;
  font-size: 0.82rem;
  transition: color 0.2s;
}
.btn-lock.locked {
  color: var(--p2);
}

/* Generator Action Row */
.action-row {
  display: flex;
  gap: 12px;
  margin-top: 10px;
}
.btn-action {
  flex: 1;
  padding: 12px;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--t);
}
.btn-action.primary {
  background: var(--grad);
  border: none;
  color: #fff;
}
.btn-action.primary:hover {
  box-shadow: 0 0 16px rgba(139, 92, 246, 0.3);
  transform: translateY(-1px);
}
.btn-action:hover {
  border-color: var(--p);
  background: rgba(255, 255, 255, 0.05);
}

/* Image Drop Zone Uploader */
.drop-zone {
  border: 2px dashed rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  padding: 36px 20px;
  text-align: center;
  background: rgba(255, 255, 255, 0.01);
  cursor: pointer;
  transition: all 0.25s;
}
.drop-zone:hover,
.drop-zone.dragover {
  border-color: var(--p);
  background: rgba(139, 92, 246, 0.03);
}
.drop-zone i {
  font-size: 2.2rem;
  color: var(--p);
  margin-bottom: 12px;
}
.drop-zone p {
  font-size: 0.88rem;
  color: var(--t2);
}
.drop-zone input[type="file"] {
  display: none;
}

/* Visual color bars */
.preview-bars-container {
  display: flex;
  flex-direction: column;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.preview-bar {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  color: #fff;
  font-weight: 700;
  font-family: monospace;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
  transition: background-color 0.3s;
  position: relative;
}
.bar-actions {
  display: flex;
  gap: 12px;
  opacity: 0;
  transition: opacity 0.2s;
}
.preview-bar:hover .bar-actions {
  opacity: 1;
}
.btn-bar-action {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  color: #fff;
  font-size: 0.8rem;
  padding: 4px 8px;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-bar-action:hover {
  background: rgba(0, 0, 0, 0.6);
  border-color: #fff;
}

/* Color Space Slider Controls */
.slider-group {
  margin-bottom: 14px;
}
.slider-label-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.76rem;
  color: var(--t2);
  margin-bottom: 6px;
}
.slider-label-row span.val {
  font-family: monospace;
  font-weight: 700;
  color: var(--p2);
}
.range-slider {
  width: 100%;
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 6px;
  outline: none;
  appearance: none;
  cursor: pointer;
}
.range-slider::-webkit-slider-thumb {
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--p);
  border: 2px solid #fff;
  box-shadow: 0 0 6px rgba(139,92,246,0.6);
  transition: transform 0.1s;
}
.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Duplicate Color Warning Badge */
.duplicate-warning-banner {
  background: rgba(245, 158, 11, 0.08);
  border: 1.5px solid rgba(245, 158, 11, 0.25);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--t2);
  font-size: 0.82rem;
  line-height: 1.4;
  margin-top: 15px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.duplicate-warning-banner i {
  color: #f59e0b;
  font-size: 1rem;
  margin-top: 2px;
}

/* Brand Mockup Preview Styles */
.brand-mockup-wrapper {
  background: #070718;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
  font-family: 'Inter', sans-serif;
  margin-top: 15px;
}
.mock-navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  border-bottom: 1.5px solid rgba(255,255,255,0.05);
}
.mock-nav-links {
  display: flex;
  gap: 12px;
  font-size: 0.72rem;
  font-weight: 600;
}
.mock-content-body {
  padding: 16px;
}
.mock-alert-box {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.75rem;
  line-height: 1.35;
  margin-bottom: 12px;
}
.mock-buttons-row {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
}
.mock-btn {
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
}
.mock-form-input {
  width: 100%;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.75rem;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.15);
  outline: none;
}

/* Saved History / Favorites sidebar panels */
.saved-list-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 250px;
  overflow-y: auto;
  margin-top: 10px;
  padding-right: 4px;
}
.saved-list-container::-webkit-scrollbar {
  width: 4px;
}
.saved-list-container::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}
.saved-palette-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255,255,255,0.015);
  border: 1px solid var(--border);
  padding: 8px 12px;
  border-radius: 8px;
  transition: background 0.2s;
}
.saved-palette-row:hover {
  background: rgba(255,255,255,0.03);
}
.saved-circles {
  display: flex;
  gap: 4px;
  cursor: pointer;
}
.mini-circle {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.1);
}
.saved-actions {
  display: flex;
  gap: 8px;
}
.btn-saved-action {
  background: none;
  border: none;
  color: var(--t3);
  cursor: pointer;
  font-size: 0.76rem;
  transition: color 0.15s;
}
.btn-saved-action:hover {
  color: var(--t);
}
.btn-saved-action.starred {
  color: var(--p3) !important;
}

/* Gradient Canvas Preview */
.gradient-preview-box {
  width: 100%;
  height: 120px;
  border-radius: 12px;
  border: 1px solid var(--border);
  position: relative;
  box-shadow: inset 0 0 10px rgba(0,0,0,0.5);
  margin-bottom: 12px;
}

/* Accessibility preview */
.a11y-preview-panel {
  border-radius: 10px;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
}
.a11y-sample-line {
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1.5px dashed rgba(255,255,255,0.05);
}
.a11y-sample-line:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

/* WCAG / APCA Contrast Scoring Panels */
.contrast-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 15px;
}
.rating-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.rating-badge.pass {
  background: rgba(16, 185, 129, 0.15);
  border: 1.5px solid rgba(16, 185, 129, 0.3);
  color: #10b981;
}
.rating-badge.fail {
  background: rgba(239, 68, 68, 0.15);
  border: 1.5px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

/* Copy Codes / Config Export Wrapper */
.export-box {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  font-family: monospace;
  font-size: 0.8rem;
  color: #cbd5e1;
  max-height: 120px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
  cursor: pointer;
}

/* Mobile Floating Action Button */
@media (max-width: 900px) {
  .mobile-fab-randomize {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--grad);
    border: none;
    color: #fff;
    font-size: 1.3rem;
    box-shadow: 0 8px 24px rgba(139, 92, 246, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    cursor: pointer;
    transition: transform 0.2s;
  }
  .mobile-fab-randomize:active {
    transform: scale(0.9);
  }
}
@media (min-width: 901px) {
  .mobile-fab-randomize {
    display: none !important;
  }
}

/* ===== MISSING UTILITY CLASSES ===== */

/* Input Row Grid Layout (used for side-by-side selects and score panels) */
.input-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* Control Label */
.control-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--t2);
}

/* Active Export Format / Gradient Type Toggle Highlighting */
.export-box-active,
.btn-bar-action.export-box-active {
  background: var(--grad) !important;
  border-color: transparent !important;
  color: #fff !important;
}

/* Starred Favorite Button */
.btn-action.starred {
  border-color: var(--p3) !important;
  background: rgba(245, 158, 11, 0.08) !important;
}

/* Export Image Download Buttons Row */
.export-image-row {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}
.export-image-row .btn-action {
  flex: 1;
  padding: 10px 12px;
  font-size: 0.82rem;
}

/* SEO Container inside article panel */
.seo-container {
  max-width: 800px;
  margin: 0 auto;
}

/* Related Tools Grid */


/* ===== COPY SUCCESS POPUP TOAST ===== */
.copy-success-popup {
  position: fixed;
  bottom: -60px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(139, 92, 246, 0.95);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  padding: 12px 24px;
  border-radius: 50px;
  font-size: 0.88rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 10px 25px rgba(139, 92, 246, 0.4);
  z-index: 9999;
  transition: bottom 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s;
  opacity: 0;
  pointer-events: none;
}
.copy-success-popup.show {
  bottom: 30px;
  opacity: 1;
}

/* Remove Image Button */
.btn-remove-image {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(239, 68, 68, 0.9);
  border: none;
  color: #fff;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.btn-remove-image:hover {
  background: #ef4444;
  transform: scale(1.1);
}

/* List Clear Button hover style */
.btn-clear-list:hover {
  color: #ef4444 !important;
}