/* ===== CMS THEME VARIABLES ===== */
:root {
  --primary: #1EB6DE;
  --primary-dark: #1892B2;
  --light-bg: #F8FCFF;
  --border: #E1E5F1;
  --text: #1E293B;
  --text-light: #475569;
  --card-bg: #FFFFFF;
  --toast-bg: #2C3E50;
  --switch-bg: #CBD5E1;
  --switch-active: #1BA4C8;
  --danger: #E53E3E;
  --success: #2C7A4D;
  --warning: #ED8936;
  --info: #4299E1;
  --disabled-bg: #E2E8F0;
  --disabled-text: #94A3B8;
  --highlight-bg: #1EB6DE;
  --picker-shadow: rgba(0, 0, 0, 0.15);
  --magnifier-bg: rgba(255, 255, 255, 0.95);
  --drop-area-bg: rgba(248, 252, 255, 0.95);
}

[data-theme="dark"] {
  --primary: #1EB6DE;
  --primary-dark: #1892B2;
  --light-bg: #292B32;
  --border: #4A4A5A;
  --text: #F1F5F9;
  --text-light: #CBD5E1;
  --card-bg: #1E1F28;
  --toast-bg: #111827;
  --switch-bg: #4B5563;
  --switch-active: #1BA4C8;
  --danger: #F56565;
  --success: #48BB78;
  --warning: #F6AD55;
  --info: #63B3ED;
  --disabled-bg: #374151;
  --disabled-text: #64748B;
  --highlight-bg: #1EB6DE;
  --picker-shadow: rgba(0, 0, 0, 0.4);
  --magnifier-bg: rgba(30, 31, 40, 0.95);
  --drop-area-bg: rgba(30, 31, 40, 0.95);
}

/* ===== BASE RESET & SELECTION ===== */
*, *::before, *::after { box-sizing: border-box; }
::selection { background: rgba(30, 182, 222, 0.25); }

.fa-sm { font-size: 0.875em; vertical-align: -0.1em; }
button i { display: inline-flex; align-items: center; justify-content: center; width: 1em; }
input[type="file"] { display: none; }

/* ===== BUTTONS ===== */
button {
  font-family: inherit; font-size: 13px; font-weight: 600; border-radius: 3px; cursor: pointer;
  transition: all 0.2s; display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; background: var(--light-bg); color: var(--text); border: 1px solid var(--border);
  min-height: 38px; padding: 0 14px; white-space: nowrap; text-shadow: none;
  box-sizing: border-box;
}

button:hover { filter: brightness(0.98); border-color: var(--primary) !important; color: var(--text); background: var(--light-bg); }
button:active { transform: none; }
button:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

button.primary { background: var(--primary); border-color: var(--primary); color: white; }
button.primary:hover { background: var(--primary-dark); }

button.secondary { background: var(--light-bg); border: 1px solid var(--border); }
button.secondary:hover { border-color: var(--primary); background: rgba(30, 182, 222, 0.1); }

.load-btn {
    background: rgba(44, 122, 77, 0.2);
    border-color: var(--success);
    color: var(--success);
}
.btn-group { display: flex; gap: 8px; flex-wrap: wrap; }

/* Icon-only buttons */
.icon-btn {
  min-width: 36px;
  padding: 0 10px;
  justify-content: center;
}

/* ===== CONTAINER & LAYOUT ===== */
.container-custom {
  width: 100%; max-width: none; margin: 0 auto; border-radius: 0;
  background: var(--card-bg); box-shadow: 0 20px 35px -12px rgba(0, 0, 0, 0.1); 
  transition: background 0.2s; overflow: hidden; padding: 0;
}

.tool-header { padding: 12px 16px 0 16px; border-bottom: 1px solid var(--border); }
.tool-header-content { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.tool-title { margin: 0; color: var(--primary); font-size: 1.4rem; display: flex; align-items: center; gap: 10px; }
.tool-subtitle { margin: 4px 0 0 0; color: var(--text-light); font-size: 0.9rem; }

/* ===== 2-PANEL LAYOUT ===== */
.two-panel-layout {
  display: flex;
  gap: 0;
  padding: 0;
  background: var(--light-bg);
  border-bottom: 1px solid var(--border);
}

.panel-left, .panel-right {
  flex: 1;
  padding: 10px 16px;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.panel-left {
  border-right: 1px solid var(--border);
  background: var(--card-bg);
}

.panel-right {
  background: var(--card-bg);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  flex-wrap: wrap;
  gap: 10px;
}

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

.panel-actions button.secondary {
  padding: 0 10px;
  min-width: 38px;
  justify-content: center;
  border-radius: 0;
}

/* ===== SINGLE-LINE CONTROLS (Right Panel) ===== */
.controls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 10px 12px;
  background: var(--light-bg);
  border: 1px solid var(--border);
  border-radius: 0;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.control-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.control-group .editor-label {
  font-size: 12px;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  margin: 0;
}

/* Harmony Slider */
.harmony-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 140px;
  height: 5px;
  background: var(--switch-bg);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.harmony-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 2px solid white;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
  transition: transform 0.15s, background 0.15s;
}

.harmony-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  background: var(--primary-dark);
}

.harmony-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 2px solid white;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
  border: none;
}

.slider-value {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  min-width: 20px;
  text-align: center;
  display: none;
}

/* Picker Controls */
.picker-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.picker-count-display { 
  min-width: 24px; text-align: center; font-weight: 600; font-size: 15px; 
  padding: 4px 6px;
}

/* ===== PREVIEW CONTAINER - CENTERED ===== */
.preview-container {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 0;
  overflow: hidden;
  min-height: 300px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
}

.preview-image {
  max-width: 100%;
  max-height: 500px;
  display: block;
  image-rendering: auto;
  margin: 0 auto;
  position: relative;
  width: auto !important;
  height: auto !important;
  align-self: center;
  opacity: 1 !important;
  visibility: visible !important;
}

.preview-image[src=""], 
.preview-image:not([src]) {
  visibility: hidden;
}

/* ===== DROP AREA ===== */
.drop-area {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--drop-area-bg);
  color: var(--text-light);
  border: 2px dashed var(--border);
  border-radius: 0;
  cursor: pointer;
  transition: all 0.2s;
  z-index: 5;
  text-align: center;
  padding: 20px;
}

.drop-area:hover, .drop-area.hover { 
  border-color: var(--primary);
  background: rgba(30, 182, 222, 0.08);
  color: var(--primary); 
}

.drop-area i { 
  font-size: 3rem; 
  margin-bottom: 12px; 
  opacity: 0.8;
}

.drop-area:hover i {
  opacity: 1;
}

.drop-area p { 
  margin: 0; 
  font-size: 0.95rem;
  line-height: 1.4;
}

/* ===== COLOR PICKERS - SMOOTH ANIMATIONS ===== */
.color-picker {
  position: absolute;
  border-radius: 50%;
  border: 2px solid white;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
  cursor: pointer;
  transform: translate(-50%, -50%);
  transition: left 0.3s ease-out, top 0.3s ease-out, background-color 0.3s ease-out, width 0.15s, height 0.15s;
  z-index: 10;
  will-change: left, top, background-color;
}

.color-picker.dragging {
  transition: none !important;
}

.color-picker.dominant {
  border-width: 2px;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.7);
}

.color-picker.dominant.active {
  z-index: 1000 !important;
}

.color-picker.active {
  width: 36px !important;
  height: 36px !important;
  border: 2px solid #fff;
  z-index: 1000 !important;
}

/* Magnifier Styles */
.color-picker.magnifier {
  position: absolute;
  width: 50px !important;
  height: 50px !important;
  cursor: none !important;
  overflow: hidden;
  border: 5px solid currentColor;
  background: white !important;
  box-shadow: 0 0 0 3px white, 0 0 10px rgba(0, 0, 0, 0.6);
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
  image-rendering: pixelated;
  transform: translate(-50%, -50%);
  backface-visibility: hidden;
  perspective: 1000px;
  will-change: transform;
  z-index: 1010;
  transition: none !important;
}

.color-picker.magnifier::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 3px;
  height: 3px;
  background: transparent;
  border: 1px solid rgba(0, 0, 0, 0.9);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.9);
  transform: translate(-50%, -50%);
  z-index: 1002;
}

.color-picker.magnifier-opening {
  transition: all 0.15s ease-out !important;
}

.color-picker.magnifier-closing {
  transition: all 0.15s ease-out !important;
}

.magnifier-content {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  transform: translateZ(0);
  background-size: cover;
  background-position: center;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
  image-rendering: pixelated;
  border-radius: 50%;
  overflow: hidden;
  z-index: 0;
}

.magnifier-inner-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  width: calc(100% - 2px);
  height: calc(100% - 2px);
  transform: translate(-50%, -50%);
  border: 3px solid rgba(131, 131, 131, 0.5);
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
}

/* ===== PROFESSIONAL PALETTE DISPLAY WITH BULLETS ===== */
.palette-display {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 0;
  overflow: hidden;
  margin-bottom: 15px;
}

.palette-bar {
  display: flex;
  width: 100%;
  height: 80px;
  min-height: 80px;
}

.palette-bar .palette-color {
  flex: 1;
  height: 100%;
  cursor: pointer;
  position: relative;
  transition: filter 0.15s;
  border-radius: 0 !important;
}

.palette-bar .palette-color:hover {
  z-index: 2;
}

.palette-bar .palette-color::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: white;
  border: 2px solid #fff;
  box-shadow: 0 0 0 1px rgba(179, 179, 179, 0.5);
  opacity: 0;
  transition: opacity 0.15s ease;
  z-index: 3;
  pointer-events: none;
}

.palette-bar .palette-color.active::before,
.palette-bar .palette-color:hover::before {
  opacity: 1;
}

.palette-bar .palette-color::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: rgba(255,255,255,0.3);
  opacity: 0;
  transition: opacity 0.15s;
}

.palette-bar .palette-color:hover::after {
  opacity: 1;
}

/* ===== STATS ===== */
.stats-inline { 
  display: flex; 
  gap: 16px; 
  font-size: 12px; 
  color: var(--text-light); 
  flex-wrap: wrap; 
  align-items: center; 
  margin-top: 8px;
  padding: 8px 0;
  border-top: 1px solid var(--border);
}
.stats-inline strong { color: var(--text); font-weight: 600; }

/* ===== TOAST NOTIFICATIONS ===== */
#toastContainer { position: fixed; bottom: 24px; right: 24px; z-index: 1000; max-width: calc(100% - 48px); }
.toast {
  background: var(--toast-bg); color: white; padding: 12px 20px; border-radius: 3px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15); display: flex; align-items: center; gap: 10px;
  font-size: 14px; margin-top: 8px; animation: slideUp 0.3s ease, fadeOut 0.3s ease 2.7s forwards;
  max-width: 350px; border-left: 4px solid var(--primary); box-sizing: border-box;
  border-radius: 0;
}

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.info { border-left-color: var(--info); }
.toast.warning { border-left-color: var(--warning); }

@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeOut { to { opacity: 0; transform: translateY(10px); } }

/* ===== IMAGE LOADER ===== */
.image-loader {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--drop-area-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 20;
  gap: 12px;
  pointer-events: none;
}

.loader-spinner {
  width: 80px;
  height: 80px;
  border: 4px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: loaderSpin 1s linear infinite;
}

.image-loader p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-light);
  font-weight: 600;
}

@keyframes loaderSpin {
  to { transform: rotate(360deg); }
}

/* ===== PRESET LOADER ===== */
.preset-loader {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(248, 252, 255, 0.95);
  border: 1px solid var(--border);
  border-radius: 3px;
  font-size: 12px;
  color: var(--text-light);
  margin-left: 10px;
  vertical-align: middle;
}

[data-theme="dark"] .preset-loader {
  background: rgba(30, 31, 40, 0.95);
}

.loader-spinner-small {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: loaderSpin 0.8s linear infinite;
  flex-shrink: 0;
}

/* ===== PRESET BUTTONS - RESPONSIVE WRAPPING ===== */
.extraction-presets { 
  display: flex; 
  gap: 4px; 
  padding: 8px 0; 
  flex-wrap: wrap; 
  width: 100%;
}

.preset-btn {
  flex: 1 1 0;
  min-width: 0;
  justify-content: center;
  white-space: nowrap;
}

.preset-btn.active {
  background: #383b43;
  color: #fff;
  border-color: #383b43;
  font-weight: 500;
}

/* ===== COMPACT UPLOADER SECTION ===== */
.uploader-compact {
  padding: 0;
  margin-bottom: 15px;
}

.uploader-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.url-input {
  flex: 1;
  min-width: 120px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--light-bg);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

.url-input:focus {
  border-color: var(--primary);
}

.url-input::placeholder {
  color: var(--text-light);
  opacity: 0.8;
}

/* ===== SELECTED COLOR PANEL - LEFT COLOR STRIP ===== */
.selected-color-panel {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
  background: var(--light-bg);
  border: 1px solid var(--border);
  border-radius: 0;
  margin-top: 8px;
  overflow: hidden;
}

/* Common row styling */
.color-value-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 44px;
  padding: 0 12px 0 0;
  border: none;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: filter 0.15s, background-color 0.15s;
  position: relative;
  box-sizing: border-box;
  background-color: var(--light-bg);
}

.color-value-row:last-child {
  border-bottom: none;
}

.color-value-row:hover {
  filter: brightness(0.97);
}

/* Left color indicator strip */
.color-indicator {
  width: 20px;
  height: 100%;
  flex-shrink: 0;
  background-color: var(--border);
  transition: background-color 0.2s;
}

/* Value text - left aligned */
.color-value-text {
  font-family: monospace;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  pointer-events: none;
  flex: 1;
  text-align: left;
  padding: 0 8px 0 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Copy button - inherits global button styles */
.copy-value-btn {
  min-width: 36px;
  min-height: 36px;
  padding: 0 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-left: 8px;
}

/* Converter Button Row */
.converter-row {
  width: 100%;
  padding: 10px 12px;
  background: var(--light-bg);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.converter-btn {
  width: 100%;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 3px;
  background: var(--light-bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.15s;
  box-sizing: border-box;
}

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

.converter-btn i {
  font-size: 11px;
}

/* ===== RESPONSIVE ADJUSTMENTS ===== */
@media (max-width: 1024px) {
  .preset-btn {
    flex: 0 0 calc(33.333% - 3px);
    min-width: calc(33.333% - 3px);
  }
}

@media (max-width: 900px) {
  .two-panel-layout {
    flex-direction: column;
  }
  
  .panel-left {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  
  .controls-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  
  .control-group {
    width: 100%;
    justify-content: space-between;
  }
  
  .harmony-slider {
    width: 100%;
  }
  
  .palette-bar {
    height: 60px;
  }
}

@media (max-width: 600px) {
  .preset-btn {
    flex: 0 0 calc(50% - 2px);
    min-width: calc(50% - 2px);
  }
  
  .tool-title { font-size: 1.2rem; }
  .tool-subtitle { font-size: 0.85rem; }
  
  #toastContainer { right: 12px; left: 12px; max-width: calc(100% - 24px); }
  .toast { max-width: 100%; border-radius: 0; }
  
  .color-value-row {
    min-height: 48px;
    padding: 0 10px 0 0;
  }
  
  .color-value-text {
    font-size: 12px;
  }
  
  .copy-value-btn {
    min-width: 34px;
    min-height: 34px;
  }
  
  .converter-btn {
    font-size: 11px;
    min-height: 40px;
  }
  
  .uploader-row {
    gap: 6px;
  }
  
  .url-input {
    min-width: 100px;
    padding: 5px 10px;
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .tool-title { font-size: 1.1rem; }
  .tool-subtitle { font-size: 0.8rem; }
  
  #toastContainer { right: 8px; left: 8px; max-width: calc(100% - 16px); }
}