/* ==========================================================================
   HUZIKIT — PREMIUM COLOR PICKER & HEX COLOR TOOL
   Brand: Huzikit (https://huzikit.com)
   Palette: Indigo / Purple / Violet
   Typography: Headings: Lexend, Body: Inter
   ========================================================================== */

/* Root Design Tokens */
:root {
  --ink: #15132b;
  --ink-soft: #4d4a6b;
  --ink-faint: #8985a8;

  --bg: #fcfbff;
  --bg-soft: #f4f2ff;

  --line: #e7e4f6;
  --line-soft: #f0eefb;

  --primary: #4f46e5;
  --primary-dark: #3b33c4;
  --primary-light: #eeebff;

  --accent: #7c3aed;
  --accent-light: #f3e8ff;

  --white: #ffffff;
  --success: #10b981;
  --success-bg: #ecfdf5;
  --warning: #f59e0b;
  --danger: #ef4444;

  --font-heading: "Lexend", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(21, 19, 43, 0.05);
  --shadow-md:
    0 4px 16px rgba(79, 70, 229, 0.08), 0 2px 6px rgba(21, 19, 43, 0.04);
  --shadow-lg:
    0 10px 30px rgba(79, 70, 229, 0.12), 0 4px 12px rgba(21, 19, 43, 0.06);
  --shadow-xl:
    0 20px 40px rgba(21, 19, 43, 0.12), 0 8px 16px rgba(79, 70, 229, 0.08);

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --container-max: 1240px;
}

/* CSS Reset & Base Rules */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background-color: var(--bg);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* Typography Hierarchy */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--ink);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 4vw + 1rem, 3.25rem);
}
h2 {
  font-size: clamp(1.5rem, 2.5vw + 0.5rem, 2.25rem);
}
h3 {
  font-size: clamp(1.2rem, 1.5vw + 0.5rem, 1.5rem);
}
h4 {
  font-size: 1.15rem;
}

p {
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.65;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: 1rem;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

@media (max-width: 480px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

/* ==========================================================================
   GLOBAL NAVBAR
   ========================================================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(252, 251, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition:
    background-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.navbar.scrolled {
  box-shadow: var(--shadow-sm);
  background: rgba(255, 255, 255, 0.98);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 16px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.45rem;
  color: var(--ink);
  letter-spacing: -0.03em;
  flex-shrink: 0;
}

.brand-badge-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  box-shadow: 0 4px 10px rgba(79, 70, 229, 0.3);
}

.brand-badge-icon svg {
  width: 20px;
  height: 20px;
}

.brand-logo span.brand-dot {
  color: var(--primary);
}

/* Desktop Navigation */
.nav-links-desktop {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  font-size: 0.935rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.nav-btn:hover,
.nav-item:focus-within > .nav-btn,
.nav-btn.active {
  color: var(--primary);
  background: var(--bg-soft);
}

.nav-btn svg.arrow-icon {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.nav-item:hover .nav-btn svg.arrow-icon,
.nav-item:focus-within .nav-btn svg.arrow-icon,
.nav-item.open .nav-btn svg.arrow-icon {
  transform: rotate(180deg);
}

/* Desktop Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 240px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity var(--transition-fast),
    transform var(--transition-fast),
    visibility var(--transition-fast);
  z-index: 1010;
}

.nav-item:hover > .dropdown-menu,
.nav-item:focus-within > .dropdown-menu,
.nav-item.open > .dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  font-size: 0.885rem;
  font-weight: 500;
  transition:
    background var(--transition-fast),
    color var(--transition-fast);
}

.dropdown-menu a:hover,
.dropdown-menu a.current-tool {
  background: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 600;
}

.dropdown-menu a.current-tool::after {
  content: "Active";
  margin-left: auto;
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--primary);
  color: var(--white);
  font-weight: 700;
}

/* Navbar Actions (Search + Mobile Trigger) */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-icon-btn {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-icon-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--bg-soft);
  transform: translateY(-1px);
}

.search-shortcut-pill {
  display: none;
  font-size: 0.725rem;
  font-weight: 600;
  color: var(--ink-faint);
  background: var(--bg-soft);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--line);
  margin-left: 6px;
}

.search-desktop-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 42px;
  padding: 0 14px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink-faint);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.search-desktop-trigger:hover {
  border-color: var(--primary);
  color: var(--ink-soft);
  background: var(--white);
}

.search-desktop-trigger svg {
  color: var(--ink-soft);
}

/* Hamburger Toggle Button */
.hamburger-btn {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  position: relative;
  z-index: 1002;
}

.hamburger-line {
  width: 20px;
  height: 2px;
  background-color: var(--ink);
  border-radius: 2px;
  transition:
    transform var(--transition-normal),
    opacity var(--transition-normal);
}

.hamburger-btn.is-active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger-btn.is-active .hamburger-line:nth-child(2) {
  opacity: 0;
}
.hamburger-btn.is-active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Navigation Drawer */
.mobile-nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(21, 19, 43, 0.45);
  backdrop-filter: blur(4px);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--transition-normal),
    visibility var(--transition-normal);
}

.mobile-nav-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(85vw, 360px);
  background: var(--white);
  border-left: 1px solid var(--line);
  z-index: 1001;
  box-shadow: var(--shadow-xl);
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 80px 20px 30px;
}

.mobile-nav-panel.is-open {
  transform: translateX(0);
}

.mobile-nav-accordion-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  list-style: none;
}

.mobile-acc-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  color: var(--ink);
  font-weight: 600;
  font-size: 0.95rem;
}

.mobile-acc-header svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.mobile-acc-item.is-open .mobile-acc-header svg {
  transform: rotate(180deg);
}

.mobile-acc-content {
  display: none;
  padding: 8px 10px 12px;
  flex-direction: column;
  gap: 6px;
}

.mobile-acc-item.is-open .mobile-acc-content {
  display: flex;
}

.mobile-acc-content a {
  padding: 8px 12px;
  font-size: 0.875rem;
  color: var(--ink-soft);
  border-radius: var(--radius-sm);
  transition:
    background var(--transition-fast),
    color var(--transition-fast);
}

.mobile-acc-content a:hover,
.mobile-acc-content a.current-tool {
  background: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 600;
}

.mobile-direct-link {
  display: block;
  padding: 12px 14px;
  color: var(--ink);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
}

.mobile-direct-link:hover {
  background: var(--bg-soft);
  color: var(--primary);
}

/* ==========================================================================
   GLOBAL SEARCH MODAL
   ========================================================================== */
.search-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(21, 19, 43, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 2000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 60px 16px 20px;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--transition-fast),
    visibility var(--transition-fast);
}

.search-modal-backdrop.is-active {
  opacity: 1;
  visibility: visible;
}

.search-modal-dialog {
  width: 100%;
  max-width: 620px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: translateY(-16px) scale(0.98);
  transition: transform var(--transition-normal);
}

.search-modal-backdrop.is-active .search-modal-dialog {
  transform: translateY(0) scale(1);
}

.search-input-wrapper {
  display: flex;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  gap: 12px;
}

.search-input-wrapper svg {
  color: var(--primary);
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.search-input-field {
  width: 100%;
  border: none;
  outline: none;
  font-size: 1.1rem;
  color: var(--ink);
  background: transparent;
}

.search-input-field::placeholder {
  color: var(--ink-faint);
}

.search-close-btn {
  padding: 6px 10px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  font-size: 0.8rem;
  font-weight: 600;
}

.search-results-container {
  max-height: 380px;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.search-result-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--ink);
  transition:
    background var(--transition-fast),
    transform var(--transition-fast);
  border: 1px solid transparent;
}

.search-result-item:hover,
.search-result-item.is-selected {
  background: var(--bg-soft);
  border-color: var(--line);
  transform: translateX(4px);
}

.search-result-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.search-result-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
}

.search-result-category {
  font-size: 0.75rem;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}

.search-result-arrow {
  color: var(--ink-faint);
  font-size: 0.85rem;
}

.search-result-item:hover .search-result-arrow,
.search-result-item.is-selected .search-result-arrow {
  color: var(--primary);
}

.search-empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--ink-faint);
  font-size: 0.95rem;
}

.search-modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  font-size: 0.775rem;
  color: var(--ink-faint);
}

.search-modal-footer kbd {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 2px 5px;
  font-family: monospace;
  font-size: 0.75rem;
  color: var(--ink-soft);
}

/* ==========================================================================
   BREADCRUMBS
   ========================================================================== */
.breadcrumbs-section {
  padding-top: 20px;
  padding-bottom: 8px;
}

.breadcrumbs-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  font-size: 0.85rem;
  color: var(--ink-faint);
}

.breadcrumbs-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.breadcrumbs-item a {
  color: var(--ink-soft);
  font-weight: 500;
}

.breadcrumbs-item a:hover {
  color: var(--primary);
}

.breadcrumbs-separator {
  color: var(--line);
}

.breadcrumbs-item[aria-current="page"] {
  color: var(--primary);
  font-weight: 600;
}

/* ==========================================================================
   PREMIUM HERO SECTION WITH LIGHTWEIGHT CSS 3D VISUAL
   ========================================================================== */
.hero-section {
  padding: 40px 0 30px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 40px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--primary-light);
  border: 1px solid rgba(79, 70, 229, 0.2);
  border-radius: var(--radius-full);
  color: var(--primary-dark);
  font-size: 0.825rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.hero-badge-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--primary);
  box-shadow: 0 0 0 0 rgba(79, 70, 229, 0.6);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(79, 70, 229, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 8px rgba(79, 70, 229, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(79, 70, 229, 0);
  }
}

.hero-title {
  margin-bottom: 16px;
  color: var(--ink);
}

.hero-title span.highlight {
  color: var(--primary);
  position: relative;
}

.hero-subtitle {
  font-size: 1.1rem;
  max-width: 600px;
  margin-bottom: 24px;
  color: var(--ink-soft);
}

.hero-quick-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.quick-chip-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-soft);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.quick-chip-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--bg-soft);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* 3D Visual Hero Object (Lightweight Pure CSS 3D Transforms) */
.hero-visual-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1000px;
  min-height: 280px;
  position: relative;
}

.prism-scene {
  width: 240px;
  height: 240px;
  position: relative;
  transform-style: preserve-3d;
  transform: rotateX(16deg) rotateY(-24deg);
  transition: transform 0.4s ease;
  animation: floatPrism 8s ease-in-out infinite;
}

@keyframes floatPrism {
  0%,
  100% {
    transform: rotateX(16deg) rotateY(-24deg) translateY(0);
  }
  50% {
    transform: rotateX(20deg) rotateY(-18deg) translateY(-14px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .prism-scene,
  .hero-badge-pulse {
    animation: none;
  }
}

.prism-layer {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 16px;
  transition: transform 0.3s ease;
}

.prism-layer-1 {
  background: linear-gradient(
    135deg,
    rgba(79, 70, 229, 0.85) 0%,
    rgba(124, 58, 237, 0.85) 100%
  );
  transform: translateZ(40px);
  color: var(--white);
}

.prism-layer-2 {
  background: linear-gradient(
    135deg,
    rgba(238, 235, 255, 0.9) 0%,
    rgba(244, 242, 255, 0.9) 100%
  );
  border: 1px solid var(--line);
  transform: translateZ(0px) rotate(6deg);
  color: var(--ink);
}

.prism-layer-3 {
  background: rgba(21, 19, 43, 0.8);
  transform: translateZ(-40px) rotate(-6deg);
  color: var(--white);
  border: 1px solid rgba(231, 228, 246, 0.2);
}

.prism-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.prism-circle {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.8;
}

.prism-value {
  font-family: monospace;
  font-size: 1.15rem;
  font-weight: 700;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
}

.prism-sub {
  font-size: 0.75rem;
  opacity: 0.85;
}

/* ==========================================================================
   CORE COLOR PICKER DASHBOARD SECTION
   ========================================================================== */
.tool-main-section {
  padding: 20px 0 60px;
}

.tool-dashboard-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 28px;
  align-items: flex-start;
}

.card-panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 24px;
  position: relative;
}

@media (max-width: 480px) {
  .card-panel {
    padding: 16px;
    border-radius: var(--radius-md);
  }
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  gap: 12px;
  flex-wrap: wrap;
}

.card-title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-icon svg {
  width: 18px;
  height: 18px;
}

.card-title {
  font-size: 1.25rem;
  color: var(--ink);
  margin: 0;
}

.card-actions-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Visual Canvas & Sliders Area */
.picker-surface-box {
  width: 100%;
  height: 280px;
  border-radius: var(--radius-md);
  position: relative;
  cursor: crosshair;
  touch-action: none;
  user-select: none;
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(21, 19, 43, 0.1);
  margin-bottom: 20px;
  background-color: #ff0000;
}

.picker-gradient-white {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, #fff 0%, rgba(255, 255, 255, 0) 100%);
}

.picker-gradient-black {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 0%, #000 100%);
}

.picker-pointer {
  position: absolute;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 3px solid #ffffff;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.5),
    0 2px 6px rgba(0, 0, 0, 0.4);
  transform: translate(-50%, -50%);
  pointer-events: none;
  background-color: transparent;
  transition: transform 0.05s ease;
}

/* Slider Controls (Hue & Alpha) */
.slider-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.slider-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.slider-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink-soft);
  width: 44px;
  flex-shrink: 0;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.slider-track {
  position: relative;
  flex: 1;
  height: 24px;
  border-radius: var(--radius-full);
  cursor: pointer;
  touch-action: none;
  user-select: none;
  box-shadow: inset 0 0 0 1px rgba(21, 19, 43, 0.1);
}

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

.alpha-slider-track {
  background-image:
    linear-gradient(45deg, #ccc 25%, transparent 25%),
    linear-gradient(-45deg, #ccc 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #ccc 75%),
    linear-gradient(-45deg, transparent 75%, #ccc 75%);
  background-size: 12px 12px;
  background-position:
    0 0,
    0 6px,
    6px -6px,
    -6px 0px;
  background-color: #fff;
}

.alpha-slider-gradient {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-full);
  background: linear-gradient(to right, transparent, var(--primary));
}

.slider-thumb {
  position: absolute;
  top: 50%;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid var(--line);
  box-shadow: 0 2px 6px rgba(21, 19, 43, 0.25);
  transform: translate(-50%, -50%);
  pointer-events: none;
  transition:
    transform 0.05s ease,
    box-shadow 0.15s ease;
}

.slider-track:hover .slider-thumb {
  box-shadow: 0 3px 8px rgba(79, 70, 229, 0.35);
}

.slider-val-readout {
  font-family: monospace;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
  width: 48px;
  text-align: right;
  flex-shrink: 0;
}

/* Action Buttons Toolbar */
.picker-btn-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--line-soft);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.925rem;
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.35);
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.45);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--ink-soft);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.925rem;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--bg-soft);
}

.btn-icon-only {
  width: 42px;
  height: 42px;
  padding: 0;
}

/* ==========================================================================
   ACTIVE COLOR PREVIEW DASHBOARD (RIGHT PANEL)
   ========================================================================== */
.active-color-hero-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.active-swatch-display {
  width: 100%;
  height: 140px;
  border-radius: var(--radius-md);
  position: relative;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 16px;
  transition: background-color 0.1s ease;
}

.active-swatch-checker-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(45deg, #e5e5e5 25%, transparent 25%),
    linear-gradient(-45deg, #e5e5e5 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #e5e5e5 75%),
    linear-gradient(-45deg, transparent 75%, #e5e5e5 75%);
  background-size: 16px 16px;
  background-position:
    0 0,
    0 8px,
    8px -8px,
    -8px 0px;
  background-color: #fff;
}

.active-swatch-solid-layer {
  position: absolute;
  inset: 0;
  z-index: 2;
  transition: background-color 0.1s ease;
}

.active-swatch-content {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.active-color-hex-tag {
  font-family: monospace;
  font-size: 1.5rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.9);
  color: #15132b;
  box-shadow: var(--shadow-sm);
  letter-spacing: 0.04em;
}

.active-color-name-badge {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(21, 19, 43, 0.8);
  color: #ffffff;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

/* Approximate Color Name Row */
.approx-name-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.approx-name-label {
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.approx-name-value {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
}

.approx-badge-indicator {
  font-size: 0.7rem;
  background: var(--primary-light);
  color: var(--primary-dark);
  padding: 2px 6px;
  border-radius: 4px;
}

/* Formats Input & Copy List */
.formats-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.format-row {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast);
}

.format-row:focus-within {
  border-color: var(--primary);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}

.format-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.format-input {
  border: none;
  background: transparent;
  outline: none;
  font-family: monospace;
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--ink);
  width: 100%;
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.8rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.copy-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--bg-soft);
}

.copy-btn.copied {
  background: var(--success);
  border-color: var(--success);
  color: var(--white);
}

.copy-btn svg {
  width: 14px;
  height: 14px;
}

/* ==========================================================================
   COLOR SHADES & TINTS SCALE SECTION (Tailwind 50 - 950)
   ========================================================================== */
.scale-section {
  padding: 30px 0;
}

.scale-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(88px, 1fr));
  gap: 10px;
  margin-top: 16px;
}

@media (max-width: 576px) {
  .scale-grid {
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: 8px;
  }
}

.scale-item {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.scale-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.scale-item.active-base {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.scale-swatch {
  height: 52px;
  width: 100%;
  position: relative;
}

.scale-meta {
  padding: 6px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: center;
}

.scale-step {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--ink);
}

.scale-hex {
  font-family: monospace;
  font-size: 0.7rem;
  color: var(--ink-faint);
}

/* ==========================================================================
   COLOR HARMONIES & PALETTES SECTION
   ========================================================================== */
.palettes-section {
  padding: 30px 0;
}

.harmonies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

@media (max-width: 768px) {
  .harmonies-grid {
    grid-template-columns: 1fr;
  }
}

.harmony-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.harmony-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.harmony-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}

.harmony-subtitle {
  font-size: 0.8rem;
  color: var(--ink-faint);
}

.harmony-swatches-strip {
  display: flex;
  height: 64px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(21, 19, 43, 0.08);
}

.harmony-swatch-slot {
  flex: 1;
  height: 100%;
  position: relative;
  cursor: pointer;
  transition: flex var(--transition-fast);
}

.harmony-swatch-slot:hover {
  flex: 1.5;
}

.harmony-swatch-hex {
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(21, 19, 43, 0.75);
  color: #ffffff;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.65rem;
  opacity: 0;
  transition: opacity var(--transition-fast);
  pointer-events: none;
  white-space: nowrap;
}

.harmony-swatch-slot:hover .harmony-swatch-hex {
  opacity: 1;
}

.harmony-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

/* ==========================================================================
   WCAG ACCESSIBILITY CONTRAST CHECKER & TEXT PREVIEW
   ========================================================================== */
.contrast-section {
  padding: 30px 0;
}

.contrast-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px;
}

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

.contrast-controls {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.color-pair-pickers {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 12px;
}

@media (max-width: 480px) {
  .color-pair-pickers {
    grid-template-columns: 1fr;
  }
}

.color-picker-input-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px;
}

.pair-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--ink-soft);
  text-transform: uppercase;
}

.pair-input-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.color-thumb-input {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  cursor: pointer;
  padding: 0;
  background: transparent;
}

.color-thumb-input::-webkit-color-swatch-wrapper {
  padding: 0;
}
.color-thumb-input::-webkit-color-swatch {
  border: none;
  border-radius: 6px;
}

.pair-hex-input {
  flex: 1;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-family: monospace;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
}

.swap-colors-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.swap-colors-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: rotate(180deg);
}

/* Contrast Score Readout */
.contrast-score-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  gap: 16px;
  flex-wrap: wrap;
}

.contrast-ratio-number {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--ink);
  line-height: 1;
}

.contrast-ratio-label {
  font-size: 0.85rem;
  color: var(--ink-faint);
  margin-top: 4px;
}

.wcag-badges-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.wcag-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.775rem;
  font-weight: 700;
}

.wcag-badge.pass {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.wcag-badge.fail {
  background: #fef2f2;
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Dynamic Live Preview Box */
.live-preview-box {
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: inset 0 0 0 1px rgba(21, 19, 43, 0.1);
  transition: all 0.1s ease;
  min-height: 260px;
  justify-content: center;
}

.preview-heading {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0;
}

.preview-body {
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}

.preview-button-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.preview-demo-btn {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
  border: 1px solid currentColor;
  background: transparent;
}

.preview-demo-tag {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  border: 1px dashed currentColor;
}

/* ==========================================================================
   GRADIENT GENERATOR SECTION
   ========================================================================== */
.gradient-section {
  padding: 30px 0;
}

.gradient-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px;
}

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

.gradient-preview-canvas {
  height: 220px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
  transition: background 0.1s ease;
}

.gradient-preset-angles {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.angle-btn {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink-soft);
  transition: all var(--transition-fast);
}

.angle-btn:hover,
.angle-btn.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.code-output-block {
  background: #0f0d1f;
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  color: #a5b4fc;
  font-family: monospace;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  overflow-x: auto;
}

.code-output-text {
  word-break: break-all;
  white-space: pre-wrap;
}

/* ==========================================================================
   CSS CODE & VARIABLE GENERATOR
   ========================================================================== */
.css-tools-section {
  padding: 30px 0;
}

.css-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.css-snippet-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.css-snippet-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink-faint);
  text-transform: uppercase;
}

.css-snippet-box {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: monospace;
  font-size: 0.875rem;
  color: var(--primary-dark);
  gap: 10px;
}

.var-name-input {
  border: 1px dashed var(--line);
  background: var(--white);
  border-radius: 4px;
  padding: 2px 6px;
  font-family: monospace;
  font-size: 0.85rem;
  color: var(--accent);
  outline: none;
  max-width: 140px;
}

/* ==========================================================================
   IMAGE COLOR PICKER & PALETTE EXTRACTOR
   ========================================================================== */
.image-picker-section {
  padding: 30px 0;
}

.image-dropzone {
  border: 2px dashed var(--primary);
  background: var(--bg-soft);
  border-radius: var(--radius-md);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.image-dropzone:hover,
.image-dropzone.drag-over {
  background: var(--primary-light);
  border-color: var(--primary-dark);
}

.dropzone-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--white);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.dropzone-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
}

.dropzone-desc {
  font-size: 0.85rem;
  color: var(--ink-faint);
}

.image-canvas-wrapper {
  display: none;
  flex-direction: column;
  gap: 16px;
  margin-top: 20px;
}

.image-canvas-wrapper.has-image {
  display: flex;
}

.canvas-container {
  position: relative;
  width: 100%;
  max-height: 420px;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: #15132b;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: crosshair;
}

#imageCanvas {
  max-width: 100%;
  max-height: 420px;
  object-fit: contain;
  display: block;
}

.loupe-magnifier {
  position: absolute;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  border: 3px solid #ffffff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  pointer-events: none;
  transform: translate(-50%, -50%);
  display: none;
  overflow: hidden;
  z-index: 10;
  background-color: #000;
}

.loupe-canvas {
  width: 100%;
  height: 100%;
}

.loupe-crosshair {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  transform: translate(-50%, -50%);
  border: 1px solid #fff;
  pointer-events: none;
}

.picked-pixel-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  flex-wrap: wrap;
  gap: 12px;
}

.picked-pixel-preview {
  display: flex;
  align-items: center;
  gap: 12px;
}

.pixel-swatch-disc {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.pixel-code-readout {
  font-family: monospace;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
}

.extracted-palette-area {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.extracted-palette-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink);
}

.extracted-swatches-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 10px;
}

.extracted-swatch-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.extracted-swatch-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
}

.extracted-swatch-block {
  height: 48px;
  width: 100%;
}

.extracted-swatch-label {
  padding: 6px;
  text-align: center;
  font-family: monospace;
  font-size: 0.75rem;
  color: var(--ink-soft);
  font-weight: 600;
}

/* ==========================================================================
   COLOR HISTORY & FAVORITES
   ========================================================================== */
.history-favs-section {
  padding: 30px 0;
}

.history-favs-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px;
}

@media (max-width: 768px) {
  .history-favs-grid {
    grid-template-columns: 1fr;
  }
}

.swatches-wrap-box {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  min-height: 80px;
  align-content: flex-start;
}

.history-swatch-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px 6px 8px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.history-swatch-pill:hover {
  background: var(--white);
  border-color: var(--primary);
  transform: translateY(-1px);
}

.history-disc {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.15);
}

.history-hex-label {
  font-family: monospace;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink);
}

.history-delete-btn {
  color: var(--ink-faint);
  font-size: 0.85rem;
  padding: 0 2px;
  line-height: 1;
}

.history-delete-btn:hover {
  color: var(--danger);
}

.empty-history-note {
  font-size: 0.875rem;
  color: var(--ink-faint);
  padding: 20px 0;
}

/* ==========================================================================
   EXPORT PALETTE MODAL
   ========================================================================== */
.export-modal-dialog {
  max-width: 540px;
}

.export-tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--line);
  padding: 0 20px;
}

.export-tab-btn {
  padding: 12px 14px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink-faint);
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}

.export-tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.export-body {
  padding: 20px;
}

.export-textarea {
  width: 100%;
  height: 180px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px;
  font-family: monospace;
  font-size: 0.85rem;
  color: var(--ink);
  resize: vertical;
  outline: none;
}

/* ==========================================================================
   EDUCATIONAL CONTENT & ANSWER-FIRST SECTIONS
   ========================================================================== */
.edu-content-section {
  padding: 60px 0;
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.edu-prose-wrapper {
  max-width: 860px;
  margin: 0 auto;
}

.edu-prose-wrapper h2 {
  margin-top: 48px;
  margin-bottom: 16px;
  position: relative;
}

.edu-prose-wrapper h2:first-child {
  margin-top: 0;
}

.edu-prose-wrapper h3 {
  margin-top: 32px;
  margin-bottom: 12px;
}

.edu-prose-wrapper p {
  margin-bottom: 20px;
  font-size: 1.05rem;
  line-height: 1.75;
}

.edu-callout-box {
  background: var(--bg-soft);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 16px 20px;
  margin: 24px 0;
}

.edu-callout-box p {
  margin-bottom: 0;
  font-weight: 500;
  color: var(--ink);
}

.edu-table-wrapper {
  overflow-x: auto;
  margin: 24px 0;
}

.edu-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.edu-table th,
.edu-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.edu-table th {
  background: var(--bg-soft);
  font-weight: 700;
  color: var(--ink);
}

/* ==========================================================================
   FAQ ACCORDION SECTION
   ========================================================================== */
.faq-section {
  padding: 60px 0;
}

.faq-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 40px;
}

.faq-accordion-group {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.is-active {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.faq-question-btn {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
  transition: color var(--transition-fast);
}

.faq-question-btn:hover {
  color: var(--primary);
}

.faq-icon-arrow {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--ink-faint);
  transition: transform var(--transition-fast);
}

.faq-item.is-active .faq-icon-arrow {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer-panel {
  display: none;
  padding: 0 24px 20px;
}

.faq-item.is-active .faq-answer-panel {
  display: block;
}

.faq-answer-panel p {
  color: var(--ink-soft);
  font-size: 0.975rem;
  line-height: 1.7;
}

/* ==========================================================================
   RELATED TOOLS SECTION
   ========================================================================== */
.related-tools-section {
  padding: 40px 0 60px;
}

.related-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.related-tool-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition:
    transform var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

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

.related-tool-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.related-tool-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
}

.related-tool-desc {
  font-size: 0.875rem;
  color: var(--ink-soft);
}

/* ==========================================================================
   DARK HUZIKIT FOOTER
   ========================================================================== */
.site-footer {
  background: #0f0d1f;
  color: #8985a8;
  border-top: 1px solid #1e1b38;
  margin-top: auto;
  padding: 60px 0 30px;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: 40px;
  margin-bottom: 48px;
}

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

@media (max-width: 576px) {
  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-brand-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.footer-brand-bio {
  font-size: 0.9rem;
  line-height: 1.6;
  color: #8985a8;
  max-width: 340px;
}

.footer-social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #eeebff;
  font-size: 0.875rem;
  font-weight: 600;
  transition: color var(--transition-fast);
}

.footer-social-link:hover {
  color: #7c3aed;
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links-list a {
  font-size: 0.885rem;
  color: #8985a8;
  transition: color var(--transition-fast);
}

.footer-links-list a:hover {
  color: #eeebff;
}

.footer-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid #1e1b38;
  font-size: 0.85rem;
  color: #625e85;
  flex-wrap: wrap;
  gap: 12px;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast-msg {
  background: var(--ink);
  color: var(--white);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 8px;
  pointer-events: auto;
  animation: toastIn 0.25s ease-out;
}

@keyframes toastIn {
  from {
    transform: translateY(16px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Accessibility Focus Ring */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Responsive Overrides & Mobile Optimization (No Horizontal Overflow) */
@media (max-width: 1024px) {
  .tool-dashboard-grid {
    grid-template-columns: 1fr;
  }
  .nav-links-desktop,
  .search-desktop-trigger {
    display: none;
  }
  .hamburger-btn {
    display: flex;
  }
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-visual-wrapper {
    margin-top: 20px;
  }
}