/* ==========================================================================
   PIKKA.APP — TOOLS & INTERACTIVE COMPONENT STYLES
   Specialized styles for EyeDropper, Palette Studio, RGBA-Hex, WCAG, & Calc
   ========================================================================== */

/* Checkerboard Pattern for Alpha Transparency */
.checkerboard-bg {
  background-color: #ffffff;
  background-image: 
    linear-gradient(45deg, #e2e8f0 25%, transparent 25%),
    linear-gradient(-45deg, #e2e8f0 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #e2e8f0 75%),
    linear-gradient(-45deg, transparent 75%, #e2e8f0 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
}

[data-theme="dark"] .checkerboard-bg {
  background-color: #1e222d;
  background-image: 
    linear-gradient(45deg, #151820 25%, transparent 25%),
    linear-gradient(-45deg, #151820 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #151820 75%),
    linear-gradient(-45deg, transparent 75%, #151820 75%);
}

/* Studio Workspace Container */
.studio-layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
}

@media (max-width: 1024px) {
  .studio-layout {
    grid-template-columns: 1fr;
  }
}

/* Active Color Card */
.active-color-card {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 90px;
}

.color-preview-box {
  width: 100%;
  height: 180px;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.15), 0 8px 24px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 1.25rem;
  transition: background-color var(--transition-fast);
}

.color-preview-overlay {
  position: absolute;
  inset: 0;
  transition: background-color var(--transition-fast);
}

.color-preview-info {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.color-preview-hex {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.color-preview-name {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.9;
}

/* EyeDropper Trigger Button */
.btn-eyedropper {
  width: 100%;
  padding: 1rem 1.25rem;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(59, 130, 246, 0.4);
  transition: all var(--transition-fast);
}

.btn-eyedropper:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(59, 130, 246, 0.55);
}

.btn-eyedropper svg {
  width: 22px;
  height: 22px;
}

/* Color Sliders & Inputs */
.color-controls {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.control-row {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.control-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.control-value {
  font-family: var(--font-mono);
  color: var(--text-primary);
}

/* Custom Range Inputs */
.range-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  outline: none;
  transition: opacity var(--transition-fast);
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #ffffff;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
  border: 2px solid var(--accent-primary);
  transition: transform var(--transition-fast);
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.range-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #ffffff;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
  border: 2px solid var(--accent-primary);
  transition: transform var(--transition-fast);
}

.hue-slider {
  background: linear-gradient(to right, 
    #ff0000 0%, #ffff00 17%, #00ff00 33%, 
    #00ffff 50%, #0000ff 67%, #ff00ff 83%, #ff0000 100%);
}

.alpha-slider {
  background: linear-gradient(to right, transparent 0%, var(--active-solid-color, #3b82f6) 100%);
}

/* Quick Value Pills */
.value-pills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem;
  margin-top: 0.5rem;
}

.value-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.85rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.value-pill:hover {
  border-color: var(--accent-primary);
  background: var(--bg-surface);
}

.value-pill-format {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.value-pill-code {
  color: var(--text-primary);
}

/* Harmonic Palette Studio */
.palette-section {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.palette-rule-nav {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
  scrollbar-width: thin;
}

.palette-tab-btn {
  padding: 0.6rem 1.15rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.palette-tab-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.palette-tab-btn.active {
  background: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
  box-shadow: 0 2px 10px var(--accent-glow);
}

.palette-swatches-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1rem;
}

.swatch-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.swatch-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-medium);
  box-shadow: var(--shadow-md);
}

.swatch-color-box {
  height: 140px;
  width: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 0.75rem;
  position: relative;
}

.swatch-copy-hint {
  opacity: 0;
  transform: translateY(4px);
  background: rgba(0, 0, 0, 0.6);
  color: #ffffff;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  backdrop-filter: blur(4px);
  transition: all var(--transition-fast);
}

.swatch-card:hover .swatch-copy-hint {
  opacity: 1;
  transform: translateY(0);
}

.swatch-info {
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  background: var(--bg-secondary);
}

.swatch-hex {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-primary);
}

.swatch-subtext {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* WCAG Contrast Checker */
.wcag-studio-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2rem;
  margin-top: 2rem;
}

.contrast-inputs-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (max-width: 640px) {
  .contrast-inputs-row {
    grid-template-columns: 1fr;
  }
}

.contrast-picker-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.color-input-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.75rem;
}

.color-input-wrapper input[type="color"] {
  -webkit-appearance: none;
  appearance: none;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: none;
  padding: 0;
}

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

.color-input-wrapper input[type="color"]::-webkit-color-swatch {
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
}

.color-text-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text-primary);
  text-transform: uppercase;
}

.contrast-meter-display {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.contrast-ratio-number {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  font-family: var(--font-mono);
  line-height: 1;
}

.contrast-scores-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

@media (max-width: 768px) {
  .contrast-scores-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.score-badge-card {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  text-align: center;
}

.score-badge-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.score-badge-status {
  font-size: 0.92rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.score-badge-status.pass {
  color: var(--success);
}

.score-badge-status.fail {
  color: var(--danger);
}

/* Live WCAG Preview Banner */
.wcag-preview-box {
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: all var(--transition-fast);
  margin-top: 1.5rem;
}

/* Code & Token Exporter */
.token-exporter-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2rem;
  margin-top: 2rem;
}

.token-nav-tabs {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  overflow-x: auto;
}

.token-tab-btn {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

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

.token-tab-btn.active {
  color: var(--text-primary);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-medium);
}

.code-snippet-box {
  position: relative;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.code-snippet-box pre {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-primary);
  overflow-x: auto;
  white-space: pre;
}

.btn-copy-code {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border-medium);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition-fast);
}

.btn-copy-code:hover {
  background: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
}

/* ==========================================================================
   RGBA TO HEX SPECIALIZED CONVERTER STYLES
   ========================================================================== */

.converter-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin: 2rem 0;
}

@media (max-width: 900px) {
  .converter-container {
    grid-template-columns: 1fr;
  }
}

.converter-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.rgba-input-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

@media (max-width: 600px) {
  .rgba-input-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.channel-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.channel-field label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.channel-field input {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.65rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
  outline: none;
}

.channel-field input:focus {
  border-color: var(--accent-primary);
}

.split-preview-container {
  width: 100%;
  height: 200px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-medium);
}

.split-preview-item {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding: 1rem;
  position: relative;
}

.split-label {
  position: relative;
  z-index: 2;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.65);
  color: #ffffff;
  backdrop-filter: blur(4px);
}

.split-preview-item.over-white {
  background-color: #ffffff;
}

.split-preview-item.over-dark {
  background-color: #0f172a;
}

.split-swatch-layer {
  position: absolute;
  inset: 0;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  margin: 1.5rem 0;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

.data-table th {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-weight: 700;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-medium);
}

.data-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.data-table tr:hover td {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.data-table code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: var(--accent-primary);
}

/* ==========================================================================
   PALETTE EXTRACTOR STYLES
   ========================================================================== */

.dropzone-box {
  border: 2px dashed var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 3.5rem 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: var(--bg-tertiary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.dropzone-box:hover,
.dropzone-box.drag-over {
  border-color: var(--accent-primary);
  background: var(--bg-surface);
}

.dropzone-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.dropzone-icon svg {
  width: 32px;
  height: 32px;
}

/* ==========================================================================
   CREATOR HUB & FREELANCE CALCULATOR STYLES
   ========================================================================== */

.calc-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
  margin: 2.5rem 0;
}

@media (max-width: 960px) {
  .calc-grid {
    grid-template-columns: 1fr;
  }
}

.calc-input-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.calc-results-card {
  background: linear-gradient(135deg, rgba(30, 34, 45, 0.9) 0%, rgba(18, 20, 26, 0.95) 100%);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 90px;
}

.calc-input-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.calc-input-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.calc-input-group .hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 400;
}

.input-with-adornment {
  display: flex;
  align-items: center;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.65rem 1rem;
  transition: border-color var(--transition-fast);
}

.input-with-adornment:focus-within {
  border-color: var(--accent-primary);
}

.adornment-prefix {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-right: 0.5rem;
}

.adornment-suffix {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-left: 0.5rem;
}

.input-with-adornment input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.rate-hero-display {
  text-align: center;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
}

.rate-hero-number {
  font-size: 3.5rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--accent-primary);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.rate-breakdown-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  list-style: none;
}

.rate-breakdown-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
}

.rate-breakdown-item .label {
  color: var(--text-secondary);
}

.rate-breakdown-item .val {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-primary);
}

/* Strategic TaxCalcHub Partner Card */
.partner-bridge-card {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.12) 0%, rgba(139, 92, 246, 0.08) 100%);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-xl);
  padding: 2rem;
  margin: 3rem 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.1);
}

.partner-bridge-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.partner-bridge-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
}

.partner-links-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 0.5rem;
}

@media (max-width: 850px) {
  .partner-links-grid {
    grid-template-columns: 1fr;
  }
}

.partner-link-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.partner-link-item:hover {
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.partner-link-item h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.partner-link-item h4 svg {
  width: 16px;
  height: 16px;
  color: var(--accent-primary);
}

.partner-link-item p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}