/* ===== HEX TO RGB CONVERTER TOOL - PROFESSIONAL EDITION ===== */
/* CMS Compatible • Dreamweaver Safe • UTF-8 Only • Light/Dark Mode Ready */

: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;
  
  /* Slider Geometry */
  --track-height: 12px;
  --track-radius: 4px;
  --thumb-size: 22px;
}
[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;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
input[type="number"]::-webkit-inner-spin-button, input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
input[type="number"] { -moz-appearance: textfield; }
input[type="file"] { display: none; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* Base Button Styles */
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: 34px; white-space: nowrap; text-shadow: none; flex-shrink: 0; max-width: 100%; }
button:hover { transform: translateY(-1px); filter: brightness(0.98); border-color: var(--primary) !important; color: var(--text); }
button:active { transform: translateY(0); }
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); }
button.success-btn { background: rgba(44, 122, 77, 0.12); border-color: var(--success); color: var(--success); }
button.success-btn:hover { background: rgba(44, 122, 77, 0.2); }
.btn-group { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; justify-content: flex-end; }

/* Main Layout */
.container-custom { margin: 0 auto; background: var(--card-bg); border-radius: 5px; box-shadow: 0 20px 35px -12px rgba(0, 0, 0, 0.1); border: 1px solid var(--border); overflow: hidden; transition: background 0.2s; width: 100%; }
.tool-header { padding: 20px 24px 0 24px; 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; }

.hex-tool-grid { display: grid; grid-template-columns: 1fr; gap: 16px; padding: 20px 24px; width: 100%; }
@media (min-width: 1100px) { .hex-tool-grid { grid-template-columns: 1fr 1fr; align-items: start; } }
.hex-input-column, .hex-preview-column { display: flex; flex-direction: column; gap: 2px; min-width: 0; width: 100%; }

/* Hex Input */
.input-group { display: flex; flex-direction: column; gap: 0; width: 100%; }
.label-row { display: flex; justify-content: space-between; align-items: center; font-size: 0.95rem; font-weight: 500; color: var(--text-light); margin-bottom: 4px; flex-wrap: wrap; gap: 4px; }
.label-row > span:first-child { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.label-row .error-msg { font-size: 0.75rem; font-weight: 600; color: var(--danger); white-space: nowrap; }
.format-hint { font-size: 0.75rem; color: var(--text-light); }
.input-row-combined { display: flex; align-items: center; gap: 0.5rem; background: var(--light-bg); border-radius: 8px; padding: 0.2rem 0.8rem; border: 1px solid var(--border); transition: border-color 0.2s, box-shadow 0.2s; width: 100%; max-width: 100%; }
.input-row-combined:focus-within { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(30, 182, 222, 0.15); }
.hash-sign { font-size: 1.4rem; font-weight: 500; color: var(--text-light); padding-left: 0.4rem; user-select: none; flex-shrink: 0; }
#hexInput { background: transparent; border: none; font-size: 1.4rem; font-family: 'SF Mono', monospace; font-weight: 500; padding: 0.7rem 0; width: 100%; min-width: 0; color: var(--text); letter-spacing: 0.5px; outline: none; text-transform: uppercase; }
#hexInput::placeholder { color: var(--text-light); font-size: 1rem; text-transform: none; }
#hexInput.invalid { color: var(--danger); }
.picker-inline { display: flex; align-items: center; margin-left: 0.2rem; flex-shrink: 0; }
#nativeColorPicker { width: 42px; height: 42px; border: 2px solid var(--border); border-radius: 4px; background: transparent; cursor: pointer; padding: 0; overflow: hidden; }
#nativeColorPicker::-webkit-color-swatch { border: none; border-radius: 2px; }
#nativeColorPicker::-moz-color-swatch { border: none; border-radius: 2px; }
#nativeColorPicker::-webkit-color-swatch-wrapper { padding: 0; }










/* RGB Sliders Container */
.rgb-sliders { 
  display: flex; 
  flex-direction: column; 
  gap: 10px; 
  background: var(--light-bg); 
  padding: 12px; 
  border-radius: 8px; 
  border: 1px solid var(--border); 
  width: 100%; 
}

/* FIX: Perfect alignment for RGB slider items ONLY */
.slider-item { 
  display: flex; 
  align-items: center; 
  gap: 10px; 
  flex-wrap: nowrap; 
  width: 100%; 
  padding: 0;
  /* DO NOT set height here - let content define it like opacity slider */
}

.slider-label { width: 32px; font-weight: 700; font-size: 1rem; text-align: center; flex-shrink: 0; }
.slider-label.r { color: #ef4444; } .slider-label.g { color: #22c55e; } .slider-label.b { color: #3b82f6; }
.slider-label { text-shadow: 0 1px 2px rgba(0,0,0,0.1); }

/* Base Range Input Styles - RGB ONLY (do not affect alpha slider) */
#rSlider, #gSlider, #bSlider {
  flex: 1; min-width: 0; height: var(--track-height); -webkit-appearance: none; background: transparent;
  border-radius: var(--track-radius); outline: none; cursor: pointer; margin: 0; padding: 0;
  vertical-align: middle; display: block;
  border-radius: 6px;   /* Apply radius to the whole input (optional safety) */
}

input[type="number"] { margin: 0; }

/* FIX: Number inputs aligned perfectly with slider bar */
.rgb-number {
  width: 60px; 
  /*background: var(--card-bg); border: 1px solid var(--border); border-radius: 6px;*/
  padding: 5px 0; text-align: center; font-family: monospace; font-weight: 600;
  color: var(--text); font-size: 0.9rem; flex-shrink: 0; line-height: 1; align-self: center; margin: 0;
}
.rgb-number:focus { border-color: var(--primary); outline: none; }




/* ===== RGB SLIDER WRAPPER (matches .alpha-slider-wrap) ===== */
.rgb-slider-wrap {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0;
  flex: 1;
  min-width: 0;
  height: var(--thumb-size); /* 22px - matches opacity slider */
}

/* ===== RGB GRADIENT TRACK (matches .alpha-gradient-track) ===== */
.rgb-gradient-track {
  position: absolute;
  left: 0;
  right: 0;
  height: var(--track-height); /* 12px */
  top: 50%;
  transform: translateY(-50%);
  border-radius: var(--track-radius); /* 4px */
  pointer-events: none;
  z-index: 0;
  border: 2px solid rgba(0, 0, 0, 0.15);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
  background-color: var(--switch-bg);
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100% 100%;
  background-clip: padding-box; /* Prevents corner bleed */
}

/* Channel-specific gradient fills */
#rGradientTrack { background-image: var(--r-track, none); }
#gGradientTrack { background-image: var(--g-track, none); }
#bGradientTrack { background-image: var(--b-track, none); }



/* ===== NATIVE RANGE INPUT - TRANSPARENT TRACK (matches opacity) ===== */
.rgb-slider-wrap input[type="range"] {
  flex: 1;
  min-width: 0;
  height: var(--track-height);
  -webkit-appearance: none;
  background: transparent;
  border-radius: var(--track-radius);
  outline: none;
  cursor: pointer;
  position: relative;
  z-index: 1; /* Sits above the gradient track */
  margin: 0;
  padding: 0;
  vertical-align: middle;
}

/* Remove all native track styling - Webkit */
.rgb-slider-wrap input[type="range"]::-webkit-slider-runnable-track {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  height: var(--track-height);
  border-radius: var(--track-radius);
}

/* Remove all native track styling - Firefox */
.rgb-slider-wrap input[type="range"]::-moz-range-track {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  height: var(--track-height);
  border-radius: var(--track-radius);
}

/* ===== THUMB STYLES - EXACT MATCH TO OPACITY SLIDER ===== */
.rgb-slider-wrap input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: var(--thumb-size);
  height: var(--thumb-size);
  border-radius: 50%;
  border: 2px solid #ffffff;
  cursor: pointer;
  transition: transform 0.1s;
  margin-top: -5px; /* Perfect centering: (22-12)/2 = 5 */
  position: relative;
  z-index: 2;
}

/* Channel-specific thumb colors */
#rSlider::-webkit-slider-thumb {
  background: #ef4444;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25), 0 0 0 1px rgba(239,68,68,0.3);
}
#gSlider::-webkit-slider-thumb {
  background: #22c55e;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25), 0 0 0 1px rgba(34,197,94,0.3);
}
#bSlider::-webkit-slider-thumb {
  background: #3b82f6;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25), 0 0 0 1px rgba(59,130,246,0.3);
}

/* Firefox thumbs */
.rgb-slider-wrap input[type="range"]::-moz-range-thumb {
  width: var(--thumb-size);
  height: var(--thumb-size);
  border-radius: 50%;
  border: 2px solid #ffffff;
  cursor: pointer;
  transition: transform 0.1s;
  position: relative;
  z-index: 2;
}
#rSlider::-moz-range-thumb {
  background: #ef4444;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25), 0 0 0 1px rgba(239,68,68,0.3);
}
#gSlider::-moz-range-thumb {
  background: #22c55e;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25), 0 0 0 1px rgba(34,197,94,0.3);
}
#bSlider::-moz-range-thumb {
  background: #3b82f6;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25), 0 0 0 1px rgba(59,130,246,0.3);
}

/* Hover effect - matches opacity slider */
.slider-item:hover .rgb-slider-wrap input[type="range"]::-webkit-slider-thumb {
  transform: scale(1.1);
}
.slider-item:hover .rgb-slider-wrap input[type="range"]::-moz-range-thumb {
  transform: scale(1.1);
}

/* ===== DARK MODE SUPPORT (matches opacity slider) ===== */
[data-theme="dark"] .rgb-gradient-track {
  border-color: rgba(255, 255, 255, 0.1);
}
[data-theme="dark"] .rgb-gradient-track::after {
  mix-blend-mode: screen;
}
[data-theme="dark"] .rgb-slider-wrap input[type="range"]::-webkit-slider-thumb,
[data-theme="dark"] .rgb-slider-wrap input[type="range"]::-moz-range-thumb {
  border-color: var(--card-bg);
}

/* ===== RESPONSIVE FIXES ===== */
@media (max-width: 600px) {
  .rgb-sliders { padding: 10px; }
  .slider-item { gap: 8px; }
  .rgb-number { width: 52px; font-size: 0.85rem; }
}





/* Export Dropdown - EXACT MATCH to copy-dropdown-menu */
.export-dropdown { position: relative; display: inline-block; }

.export-menu { 
  position: fixed; 
  background: var(--card-bg); 
  border: 1px solid var(--border); 
  border-radius: 6px; 
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15); 
  min-width: 220px; 
  max-width: 95vw; 
  max-height: 70vh; 
  overflow-y: auto; 
  z-index: 1000000 !important; 
  display: none; 
  flex-direction: column; 
  padding: 4px 8px; 
  gap: 2px; 
}
.export-menu.show { display: flex !important; }

/* Scrollbar styling - matches copy-dropdown */
.export-menu::-webkit-scrollbar { width: 6px; }
.export-menu::-webkit-scrollbar-track { background: var(--light-bg); border-radius: 3px; }
.export-menu::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
.export-menu::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* Menu items - simple, no hover effects (CMS handles styling) */
.export-item { 
  width: 100%; 
  justify-content: flex-start; 
  padding: 4px 6px; 
  font-size: 0.85rem; 
  text-align: left; 
  border-radius: 4px; 
  gap: 8px; 
}
.export-item i { width: 16px; text-align: center; flex-shrink: 0; }
.export-item.copied { background: var(--success); border-color: var(--success); color: white; }

/* Mobile fix - matches copy-dropdown */
@media (max-width: 600px) {
  .export-menu { min-width: 100%; }
  .export-item { padding: 4px 6px; font-size: 0.8rem; }
}






/* ===== ALPHA CONTROL - EXACT MATCH TO RGB SLIDERS ===== */
.alpha-control {
  background: var(--light-bg); padding: 12px; border-radius: 8px; border: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px; flex-wrap: nowrap; width: 100%;
}
.alpha-label.slider-label {
  width: 32px; font-weight: 700; font-size: 1rem; text-align: center; flex-shrink: 0; color: var(--primary);
  display: flex; align-items: center; justify-content: center; height: var(--thumb-size);
}
.alpha-label.slider-label i { pointer-events: none; font-size: 1rem; line-height: 1; }

.alpha-slider-wrap { position: relative; display: flex; align-items: center; gap: 0; flex: 2; min-width: 0; height: var(--thumb-size); }
.alpha-gradient-track {
  position: absolute; left: 0; right: 0; height: var(--track-height); top: 50%; transform: translateY(-50%);
  border-radius: var(--track-radius); pointer-events: none; z-index: 0;
  background-image: linear-gradient(45deg, rgba(0,0,0,0.08) 25%, transparent 25%), linear-gradient(-45deg, rgba(0,0,0,0.08) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(0,0,0,0.08) 75%), linear-gradient(-45deg, transparent 75%, rgba(0,0,0,0.08) 75%);
  background-size: 8px 8px; background-position: 0 0, 0 4px, 4px -4px, -4px 0px;
  border: 2px solid rgba(0, 0, 0, 0.15); box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}
.alpha-gradient-track::after { content: ''; position: absolute; inset: -2px; border-radius: var(--track-radius); background: linear-gradient(to right, rgba(0,0,0,0), rgba(0,0,0,1)); mix-blend-mode: multiply; pointer-events: none; }

.alpha-slider-wrap input[type="range"] { flex: 1; min-width: 0; height: var(--track-height); -webkit-appearance: none; background: transparent; border-radius: var(--track-radius); outline: none; cursor: pointer; position: relative; z-index: 1; margin: 0; padding: 0; vertical-align: middle; }
.alpha-slider-wrap input[type="range"]::-webkit-slider-runnable-track { background: transparent; height: var(--track-height); border-radius: var(--track-radius); border: none; }
.alpha-slider-wrap input[type="range"]::-moz-range-track { background: transparent; height: var(--track-height); border-radius: var(--track-radius); border: none; }

.alpha-slider-wrap input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: var(--thumb-size); height: var(--thumb-size); border-radius: 50%; background: var(--primary);
  border: 2px solid #ffffff; cursor: pointer; box-shadow: 0 2px 8px rgba(0,0,0,0.25), 0 0 0 1px var(--primary);
  transition: transform 0.1s; margin-top: -5px; position: relative; z-index: 2;
}
.alpha-slider-wrap input[type="range"]::-moz-range-thumb {
  width: var(--thumb-size); height: var(--thumb-size); border-radius: 50%; background: var(--primary);
  border: 2px solid #ffffff; cursor: pointer; box-shadow: 0 2px 8px rgba(0,0,0,0.25), 0 0 0 1px var(--primary);
  border: none; position: relative; z-index: 2;
}
.alpha-value.rgb-number { align-self: center; }

[data-theme="dark"] .alpha-gradient-track {
  background-image: linear-gradient(45deg, rgba(255,255,255,0.12) 25%, transparent 25%), linear-gradient(-45deg, rgba(255,255,255,0.12) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255,255,255,0.12) 75%), linear-gradient(-45deg, transparent 75%, rgba(255,255,255,0.12) 75%);
  border-color: rgba(255, 255, 255, 0.1);
}
[data-theme="dark"] .alpha-gradient-track::after { mix-blend-mode: screen; }
[data-theme="dark"] .alpha-slider-wrap input[type="range"]::-webkit-slider-thumb, [data-theme="dark"] .alpha-slider-wrap input[type="range"]::-moz-range-thumb { border-color: var(--card-bg); }

@media (max-width: 600px) {
  .alpha-control { flex-wrap: wrap; gap: 8px; padding: 10px; }
  .alpha-slider-wrap { order: 2; width: 100%; max-width: none; }
  .alpha-value.rgb-number { order: 3; margin-left: auto; }
  .alpha-label.slider-label { order: 1; }
}

/* Output Grid - DUAL COPY BUTTONS */
.outputs-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px; width: 100%; }
.output-card { background: var(--light-bg); padding: 8px 10px; border-radius: 8px; border: 1px solid var(--border); display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 0px; min-width: 0; }
.output-card label { grid-column: 1 / -1; font-size: 0.80rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-light); margin-bottom: 2px; }
.output-card .copy-actions .decimal-single { width: 68px; margin-left: auto; margin-right: auto; }
.output-value { font-family: monospace; font-size: 0.85rem; color: var(--text); word-break: break-all; line-height: 1.3; min-width: 0; }
.copy-actions { display: flex; gap: 4px; grid-column: 2; justify-content: flex-end; align-items: center; }
.copy-trigger { width: 32px; min-width: 32px; height: 32px; min-height: 32px; padding: 0; justify-content: center; border-radius: 6px; white-space: nowrap; flex-shrink: 0; }
.copy-trigger i { font-size: 13px; flex-shrink: 0; pointer-events: none; }
.copy-trigger.copied { background: var(--success); border-color: var(--success); color: white; }

.icon-copy-trigger { background: transparent; border: none; padding: 0 0.6rem; cursor: pointer; display: flex; align-items: center; justify-content: center; color: var(--text-light); transition: color 0.2s, background 0.2s; min-width: 32px; height: 32px; flex-shrink: 0; }
.icon-copy-trigger:hover { color: var(--primary); background: rgba(30, 182, 222, 0.1); }
.icon-copy-trigger i { font-size: 20px; pointer-events: none; }
.icon-copy-trigger.copied { color: var(--success); }

/* Contrast Section */
.contrast-section { background: var(--light-bg); padding: 12px; border-radius: 8px; border: 1px solid var(--border); width: 100%; }
.section-title-custom { font-size: 0.9rem; font-weight: 600; color: var(--text); margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.contrast-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.contrast-card { padding: 8px 10px; border-radius: 8px; border: 1px solid var(--border); display: flex; flex-direction: column; gap: 4px; }
.contrast-card.white { background: #ffffff !important; color: #0f172a !important; border-color: #e2e8f0 !important; }
.contrast-card.black { background: #000000 !important; color: #f1f5f9 !important; border-color: #333333 !important; }
.contrast-label { font-size: 0.75rem; font-weight: 500; }
.contrast-ratio { font-family: monospace; font-size: 1.1rem; font-weight: 700; }
.contrast-help { margin-left: 6px; color: var(--text-light); cursor: help; font-size: 0.9rem; transition: color 0.2s; display: inline-flex; align-items: center; }
.contrast-help:hover { color: var(--primary); }
.contrast-help i { pointer-events: none; vertical-align: middle; }
.contrast-preview { margin-top: 2px; padding: 9px 10px; border-radius: 4px; font-weight: 600; font-size: 1.1rem; text-align: center; transition: color 0.15s, text-shadow 0.15s; color: #3498db; }
.contrast-card.white .contrast-preview { background: #ffffff; text-shadow: 0 1px 2px rgba(0,0,0,0.1); }
.contrast-card.black .contrast-preview { background: #000000; text-shadow: 0 1px 3px rgba(255,255,255,0.2); }
@media (max-width: 600px) { .contrast-preview { font-size: 1rem; padding: 5px 8px; } }
.wcag-badges { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 2px; }
.wcag-badge { font-size: 0.65rem; padding: 0.15rem 0.4rem; border-radius: 4px; font-weight: 600; text-transform: uppercase; }
.wcag-badge.pass { background: #dcfce7 !important; color: #166534 !important; }
.wcag-badge.fail { background: #fee2e2 !important; color: #991b1b !important; }

/* Preview Area */
.preview-large { position: relative; border-radius: 12px; overflow: hidden; border: 1px solid var(--border); background: var(--light-bg); cursor: pointer; width: 100%; }
.checkerboard { position: relative; width: 100%; padding-top: 50%; background-image: linear-gradient(45deg, var(--border) 25%, transparent 25%), linear-gradient(-45deg, var(--border) 25%, transparent 25%), linear-gradient(45deg, transparent 75%, var(--border) 75%), linear-gradient(-45deg, transparent 75%, var(--border) 75%); background-size: 20px 20px; background-position: 0 0, 0 10px, 10px -10px, -10px 0px; }
.preview-fill { position: absolute; inset: 0; transition: background-color 0.15s; display: flex; align-items: center; justify-content: center; }
.preview-hex-display { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); font-family: monospace; font-size: 1.8rem; font-weight: 700; text-shadow: 0 2px 8px rgba(0,0,0,0.5); pointer-events: none; user-select: none; letter-spacing: 1px; transition: color 0.15s; }
.preview-hex-display.light-text { color: #0f172a !important; text-shadow: 0 1px 4px rgba(255,255,255,0.9) !important; }
.preview-hex-display.dark-text { color: #ffffff !important; text-shadow: 0 2px 8px rgba(0,0,0,0.6) !important; }
.preview-actions { position: absolute; top: 10px; right: 10px; display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; z-index: 2; pointer-events: auto; }
.preview-actions button { padding: 0.3rem 0.7rem; min-height: 28px; background: rgba(255,255,255,0.5); color: #0f172a; border-color: rgba(0,0,0,0.2); backdrop-filter: blur(4px); pointer-events: auto; }
.preview-actions button:hover { background: rgba(255,255,255,1); border-color: var(--primary); }
.preview-actions button.dark-bg { background: rgba(15,23,42,0.70); color: #f1f5f9; border-color: rgba(255,255,255,0.3); }
.preview-actions button.dark-bg:hover { background: rgba(15,23,42,0.95); border-color: var(--primary); }

/* Copy Dropdown */
.copy-dropdown { position: relative; display: inline-block; }
.copy-dropdown-menu { position: fixed; background: var(--card-bg); border: 1px solid var(--border); border-radius: 6px; box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15); min-width: 320px; max-width: 95vw; max-height: 70vh; overflow-y: auto; z-index: 1000000 !important; display: none; flex-direction: column; padding: 4px 8px; gap: 0px; }
.copy-dropdown-menu.show { display: flex; }
.copy-dropdown-menu::-webkit-scrollbar { width: 6px; }
.copy-dropdown-menu::-webkit-scrollbar-track { background: var(--light-bg); border-radius: 3px; }
.copy-dropdown-menu::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
.copy-dropdown-menu::-webkit-scrollbar-thumb:hover { background: var(--primary); }
.dropdown-row { display: grid; grid-template-columns: 1fr 40px 40px; align-items: center; gap: 8px; padding: 4px 6px; border-radius: 4px; }
.dropdown-row:hover { background: var(--light-bg); }
.dropdown-label { font-size: 0.8rem; font-weight: 500; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dropdown-copy-btn { width: 40px; height: 32px; min-width: 40px; padding: 0; display: flex; align-items: center; justify-content: center; border-radius: 4px; font-size: 12px; }
.dropdown-copy-btn.decimal-single { grid-column: 2 / -1; width: 100%; justify-content: center; margin-left: 0px; }
.dropdown-copy-btn i { font-size: 12px; pointer-events: none; }
.dropdown-copy-btn:hover { background: rgba(30, 182, 222, 0.15); border-color: var(--primary); }
.dropdown-copy-btn.copied { background: var(--success); border-color: var(--success); color: white; }
@media (max-width: 600px) { .copy-dropdown-menu { min-width: 100%; } .dropdown-row { grid-template-columns: 1fr 36px 36px; gap: 6px; } .dropdown-copy-btn { width: 36px; height: 30px; min-width: 36px; } .dropdown-copy-btn.decimal-single { width: 100%; margin-left: 0; } }
.custom-qtip { z-index: 1000001 !important; }

/* Palette Section */
.palette-section { background: var(--light-bg); padding: 12px; border-radius: 8px; border: 1px solid var(--border); width: 100%; }
.palette-bar { display: flex; gap: 0; margin-bottom: 2px; border-radius: 4px; overflow: hidden; height: 44px; flex-wrap: wrap; }
.palette-swatch { flex: 1; min-width: 28px; height: 100%; cursor: pointer; position: relative; transition: flex 0.25s; border: none; padding: 0; background: transparent; border-radius: 0; }
.palette-swatch:hover { flex: 1.5; }
button.palette-swatch:hover { transform: none; border: none; }
.palette-swatch svg { display: none; }
.palette-swatch:first-child { border-radius: 3px 0 0 3px; }
.palette-swatch:last-child { border-radius: 0 3px 3px 0; }
.palette-swatch:hover::after, .palette-swatch.active::after { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 8px; height: 8px; border-radius: 50%; box-shadow: 0 1px 3px rgba(0,0,0,0.3); }
.palette-swatch:hover.light-bullet::after, .palette-swatch.active.light-bullet::after { background: #0f172a; }
.palette-swatch:hover.dark-bullet::after, .palette-swatch.active.dark-bullet::after { background: #ffffff; }
.palette-hex-row { display: flex; gap: 1px; font-size: 0.6rem; color: var(--text-light); font-family: monospace; justify-content: space-between; flex-wrap: wrap; }
.palette-hex { flex: 1; text-align: center; padding: 4px 2px; cursor: pointer; border-radius: 4px; transition: background 0.15s, color 0.15s; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 40px; font-size: 0.6rem; line-height: 1; }
.palette-hex:hover { background: rgba(30, 182, 222, 0.15); color: var(--primary); font-weight: 600; }
.palette-hex.active { background: rgba(30, 182, 222, 0.25); color: var(--primary); font-weight: 700; }

/* History Section */
.history-section { background: var(--light-bg); padding: 12px; border-radius: 8px; border: 1px solid var(--border); width: 100%; }
.history-section .section-title-custom { margin-bottom: 8px; }
.history-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(40px, 1fr)); gap: 0px; width: 100%; row-gap: 0px; }
.history-swatch { width: 100%; aspect-ratio: 1 / 1; min-width: 36px; height: auto; flex: none; border-radius: 0; cursor: pointer; border: none; padding: 0; background: transparent; position: relative; transition: transform 0.15s; }
.history-swatch:hover { transform: scale(1.05); }
button.history-swatch:hover { transform: scale(1.05); border: none; }
.history-swatch svg { display: none; }
.history-swatch:hover::after, .history-swatch.active::after { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 8px; height: 8px; border-radius: 50%; box-shadow: 0 1px 3px rgba(0,0,0,0.3); }
.history-swatch:hover.light-bullet::after, .history-swatch.active.light-bullet::after { background: #0f172a; }
.history-swatch:hover.dark-bullet::after, .history-swatch.active.dark-bullet::after { background: #ffffff; }

/* Quick Copy Bar */
.quick-copy-bar { display: flex; gap: 8px; flex-wrap: wrap; width: 100%; }
.quick-copy-bar .copy-trigger { flex: 1; min-width: 140px; justify-content: center; padding: 0 10px; height: 34px; }

/* Toast Notifications */
#toastContainer { position: fixed; bottom: 20px; right: 20px; z-index: 1000; display: flex; flex-direction: column; gap: 6px; pointer-events: none; max-width: calc(100% - 40px); }
.toast { background: var(--toast-bg); color: white; padding: 10px 16px; border-radius: 5px; box-shadow: 0 4px 12px rgba(0,0,0,0.15); display: flex; align-items: center; gap: 8px; font-size: 13px; pointer-events: auto; max-width: 300px; border-left: 4px solid var(--primary); animation: toastSlideUp 0.25s ease, toastFadeOut 0.25s ease 2.5s forwards; }
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.info { border-left-color: var(--info); }
@keyframes toastSlideUp { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toastFadeOut { to { opacity: 0; transform: translateY(8px); } }

/* Share Button */
.share-btn { background: linear-gradient(135deg, #df3676, #c0265e) !important; border: 1px solid #AD1C53 !important; color: white !important; font-weight: 600; box-shadow: 0 2px 8px rgba(223, 54, 118, 0.25) !important; transition: all 0.2s ease !important; order: -1; }
.share-btn:hover { transform: translateY(-1px); background: linear-gradient(135deg, #c61a5c, #a81e4f) !important; box-shadow: 0 4px 12px rgba(223, 54, 118, 0.4) !important; filter: brightness(1.05); border: 1px solid #81153E !important; }
.share-btn:active { transform: translateY(0); box-shadow: 0 2px 6px rgba(223, 54, 118, 0.2); }
[data-theme="dark"] .share-btn { background: linear-gradient(135deg, #f04c81, #df3676); border-color: #f04c81; box-shadow: 0 2px 8px rgba(223, 54, 118, 0.4); }
[data-theme="dark"] .share-btn:hover { box-shadow: 0 4px 12px rgba(223, 54, 118, 0.6); }
@media (max-width: 600px) { .share-btn { width: 100%; justify-content: center; } }

/* Responsive Breakpoints */
@media (max-width: 1099px) { .hex-tool-grid { padding: 16px; } .outputs-grid { grid-template-columns: 1fr; } .contrast-grid { grid-template-columns: 1fr; } .preview-actions { position: static; justify-content: center; margin-top: 10px; } .btn-group { width: 100%; justify-content: center; } .btn-group button { flex: 1; } }
@media (max-width: 600px) { .container-custom { border-radius: 0; width: 100%; } .tool-header { padding: 16px 12px 0 12px; } .tool-header-content { flex-direction: column; align-items: stretch; } .hex-tool-grid { padding: 12px; gap: 12px; } .hex-input-column, .hex-preview-column { gap: 2px; } .input-row-combined { padding: 0.2rem 0.6rem; } .rgb-sliders { padding: 10px; } .slider-item { gap: 8px; } .alpha-control { flex-wrap: wrap; gap: 8px; } .alpha-slider-wrap { width: 100%; max-width: none; } .palette-bar { height: 36px; } #toastContainer { left: 12px; right: 12px; bottom: 12px; width: auto; } .toast { max-width: none; width: 100%; } .label-row { flex-wrap: wrap; gap: 6px; } .btn-group { width: 100%; } .btn-group button { flex: 1; justify-content: center; } .quick-copy-bar { flex-direction: column; } .quick-copy-bar .copy-trigger { width: 100%; } .preview-hex-display { font-size: 1.4rem; } .palette-hex { font-size: 0.55rem; } .history-grid { grid-template-columns: repeat(auto-fill, minmax(28px, 1fr)); } .history-swatch { min-width: 28px; } }