/* styles.css — компоненты, тёмная тема HTML Color Picker PRO */

body {
  font-family: var(--font-base);
  color: var(--text-primary);
  background: var(--bg-page);
  background-image:
    radial-gradient(
      circle at 15% 0%,
      rgba(139, 92, 246, 0.08),
      transparent 40%
    ),
    radial-gradient(
      circle at 85% 10%,
      rgba(99, 102, 241, 0.08),
      transparent 40%
    );
  font-size: var(--font-size-base);
}

.icon {
  display: inline-flex;
  width: 16px;
  height: 16px;
}
.icon svg {
  width: 100%;
  height: 100%;
}

.icon-btn svg {
  width: 16px;
  height: 16px;
}
.icon-btn.sm svg {
  width: 14px;
  height: 14px;
}
.copy-btn svg {
  width: 14px;
  height: 14px;
}
.feature-icon svg {
  width: 18px;
  height: 18px;
}
.shade-row .copy-btn svg {
  width: 13px;
  height: 13px;
}

/* ===== Topbar ===== */
.topbar {
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-7);
  border-bottom: 1px solid var(--border-subtle);
  gap: var(--space-5);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.logo-mark {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-circle);
  background: conic-gradient(
    from 180deg,
    var(--accent-purple),
    var(--accent-blue),
    var(--accent-pink),
    var(--accent-purple)
  );
  position: relative;
}
.logo-mark::after {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  background: var(--bg-page);
}

.logo-text {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-md);
}

.badge-pro {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  background: var(--accent-gradient);
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.03em;
}

.topnav {
  display: flex;
  gap: var(--space-6);
}
.topnav-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  padding-bottom: var(--space-2);
  position: relative;
  transition: color var(--transition-fast);
}
.topnav-link .icon {
  display: inline-flex;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}
.topnav-link .icon svg {
  width: 16px;
  height: 16px;
}
.topnav-link:hover .icon,
.topnav-link.active .icon {
  color: currentColor;
}
.topnav-link:hover {
  color: var(--text-primary);
}
.topnav-link.active {
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
}
.topnav-link.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: var(--radius-pill);
}
.topnav-link .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-pink);
  position: absolute;
  top: -2px;
  right: -10px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* ===== Buttons ===== */
.icon-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}
.icon-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
}
.icon-btn.sm {
  width: 30px;
  height: 30px;
}
.icon-btn[data-icon] .icon,
.icon-btn::before {
  content: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  white-space: nowrap;
  transition: all var(--transition-fast);
}
.btn-ghost {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
}
.btn-ghost:hover {
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
}
.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
}
.btn-primary:hover {
  filter: brightness(1.08);
}
.btn-gradient {
  background: var(--accent-gradient-wide);
  color: #fff;
  justify-content: center;
  padding: var(--space-3) var(--space-4);
}
.btn-gradient:hover {
  filter: brightness(1.08);
}
.btn.full {
  width: 100%;
}

.count-badge {
  background: rgba(255, 255, 255, 0.12);
  padding: 1px 7px;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
}

.chevron {
  width: 12px;
  height: 12px;
  opacity: 0.8;
}

.menu-wrap {
  position: relative;
}
.menu {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  min-width: 200px;
  padding: var(--space-2);
  display: none;
  z-index: 20;
}
.menu.open {
  display: block;
}
.menu button {
  width: 100%;
  text-align: left;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}
.menu button:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

/* Language dropdown: search box + scrollable list */
.lang-menu {
  min-width: 220px;
  padding: var(--space-2);
}
.lang-search-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-2);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
}
.lang-search-row .icon {
  width: 14px;
  height: 14px;
  opacity: 0.6;
  flex-shrink: 0;
}
.lang-search-input {
  flex: 1;
  min-width: 0;
  font-size: var(--font-size-sm);
  background: none;
  border: none;
  color: var(--text-primary);
}
.lang-search-input::placeholder {
  color: var(--text-muted);
}
.lang-list {
  max-height: 260px;
  overflow-y: auto;
}
.lang-list button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}
.lang-list button.active {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}
.lang-list button.active::after {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-purple);
  flex-shrink: 0;
}
.lang-list-empty {
  padding: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  text-align: center;
}

.link-btn {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}
.link-btn:hover {
  color: var(--text-primary);
}

/* ===== Page head ===== */
.page-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: var(--space-5);
  padding: var(--space-7);
}
.page-head h1 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.01em;
}
.grad-text {
  background: var(--accent-gradient-wide);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.subtitle {
  color: var(--text-secondary);
  margin-top: var(--space-2);
}
.page-head-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* ===== Grid & Cards ===== */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  padding: 0 var(--space-7) var(--space-7);
}
.grid > * {
  min-width: 0;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-card);
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-4);
}
.card-head h2 {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
}
.card-sub {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-top: 2px;
}
.card-head-actions {
  display: flex;
  gap: var(--space-2);
}

/* ===== Tabs ===== */
.tabs {
  display: flex;
  gap: var(--space-1);
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 3px;
  margin-bottom: var(--space-5);
}
.tab {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  text-align: center;
}
.tab.active {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
}

/* ===== Wheel ===== */
.wheel-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-4);
}
#wheelBox {
  position: relative;
  width: var(--wheel-size);
  height: var(--wheel-size);
}
#wheel {
  cursor: crosshair;
  border-radius: 50%;
  touch-action: none;
}
.wheel-marker {
  position: absolute;
  width: var(--marker-size);
  height: var(--marker-size);
  border: 3px solid #fff;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.5),
    0 2px 6px rgba(0, 0, 0, 0.5);
}

.slider-row {
  margin-bottom: var(--space-5);
}
.hue-track {
  position: relative;
  height: 14px;
  border-radius: var(--radius-pill);
  background: linear-gradient(
    90deg,
    #ff0000,
    #ffff00,
    #00ff00,
    #00ffff,
    #0000ff,
    #ff00ff,
    #ff0000
  );
  cursor: pointer;
  touch-action: none;
}
.hue-thumb {
  position: absolute;
  top: 50%;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid rgba(0, 0, 0, 0.3);
  transform: translate(-50%, -50%);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
  pointer-events: none;
}

/* ===== Range controls (Saturation / Lightness / Alpha) ===== */
.control {
  margin-bottom: var(--space-4);
}
.control-label {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-2);
  color: var(--text-secondary);
}
.control-value {
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
}
.control-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.control-row .hue-track,
.control-row .range-track {
  flex: 1;
  min-width: 0;
}
.value-box {
  display: flex;
  align-items: stretch;
  flex-shrink: 0;
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.value-input {
  width: 46px;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-align: center;
  padding: var(--space-2) 0;
  -moz-appearance: textfield;
}
.value-input:focus {
  outline: none;
  background: var(--bg-elevated);
}
.value-input::-webkit-outer-spin-button,
.value-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.value-unit {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-2);
  border-left: 1px solid var(--border-default);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  background: var(--bg-elevated);
}
.range-track {
  position: relative;
  height: 8px;
  border-radius: var(--radius-pill);
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  touch-action: none;
}
.range-track.checkerboard {
  background-image:
    linear-gradient(45deg, #33384c 25%, transparent 25%),
    linear-gradient(-45deg, #33384c 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #33384c 75%),
    linear-gradient(-45deg, transparent 75%, #33384c 75%);
  background-size: 8px 8px;
  background-position:
    0 0,
    0 4px,
    4px -4px,
    -4px 0;
}
.range-fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  border-radius: var(--radius-pill);
  background: var(--accent-gradient);
}
.range-thumb {
  position: absolute;
  top: 50%;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--accent-purple);
  transform: translate(-50%, -50%);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

/* ===== Quick input ===== */
.field-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}
.field-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
}
.quick-input {
  margin-bottom: var(--space-5);
}
.quick-row {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}
.select-sm,
.text-input {
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--text-primary);
}
.select-sm {
  width: 78px;
}
.text-input {
  flex: 1;
  min-width: 0;
}
.text-input:focus {
  border-color: var(--accent-purple);
  box-shadow: var(--shadow-glow);
  outline: none;
}
.swatch-preview {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-default);
  flex-shrink: 0;
}

/* ===== Recent colors ===== */
.swatch-list {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.swatch-item {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-default);
  cursor: pointer;
  transition: transform var(--transition-fast);
}
.swatch-item:hover {
  transform: scale(1.1);
}

/* ===== Saved colors panel ===== */
.saved-colors-menu {
  min-width: 260px;
  max-width: 300px;
}
.saved-colors-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
  padding: 0 var(--space-1);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
}
.link-btn {
  background: none;
  border: none;
  color: var(--accent-blue);
  font-size: var(--font-size-xs);
  cursor: pointer;
  padding: 2px 4px;
}
.link-btn:hover {
  text-decoration: underline;
}
.saved-colors-menu .swatch-list {
  padding: 0 var(--space-1);
}
.saved-swatch-item {
  position: relative;
  width: 32px;
  height: 32px;
}
.saved-swatch-item .swatch-item {
  width: 100%;
  height: 100%;
}
.saved-swatch-remove {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  font-size: 10px;
  line-height: 1;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
}
.saved-swatch-item:hover .saved-swatch-remove {
  display: flex;
}
.saved-swatch-remove:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}
.empty-hint {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin: 0;
  padding: 0 var(--space-1);
  line-height: 1.5;
}

/* ===== Selected color preview ===== */
.preview-box {
  height: 220px;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  border: 1px solid var(--border-subtle);
  color: #fff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
}
.preview-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
}
.preview-hex {
  font-size: var(--font-size-md);
  opacity: 0.92;
}
.contrast-badge {
  margin-top: var(--space-2);
  background: rgba(0, 0, 0, 0.28);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  display: flex;
  align-items: center;
  gap: 6px;
}
.contrast-badge b {
  background: rgba(255, 255, 255, 0.25);
  padding: 0 6px;
  border-radius: 4px;
}

.field {
  margin-bottom: var(--space-4);
}
.field label {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-bottom: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.field-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.field-row input {
  flex: 1;
  min-width: 0;
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
}
.field-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}
.field-pair > * {
  min-width: 0;
}

.copy-btn {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-secondary);
}
.copy-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}
.copy-btn .icon {
  width: 14px;
  height: 14px;
}

/* ===== Harmony ===== */
.harmony {
  margin-bottom: var(--space-5);
}
.badge-new {
  font-size: 10px;
  font-weight: var(--font-weight-bold);
  background: rgba(139, 92, 246, 0.18);
  color: var(--accent-purple);
  padding: 2px 7px;
  border-radius: var(--radius-sm);
}
.harmony-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
}
.harmony-card {
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  padding: var(--space-2);
  cursor: pointer;
  transition: border-color var(--transition-fast);
}
.harmony-card:hover,
.harmony-card.active {
  border-color: var(--accent-purple);
}
.harmony-swatches {
  display: flex;
  height: 20px;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: var(--space-2);
}
.harmony-swatches span {
  flex: 1;
}
.harmony-card small {
  font-size: 10px;
  color: var(--text-secondary);
}

/* ===== Shades list ===== */
.shades-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-bottom: var(--space-4);
  max-height: 460px;
  overflow-y: auto;
}
.shade-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}
.shade-row.current {
  border-color: rgba(255, 255, 255, 0.6);
}
.shade-row .shade-pct {
  opacity: 0.85;
}
.shade-row .shade-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.shade-row .copy-btn {
  background: rgba(0, 0, 0, 0.2);
  border-color: transparent;
}

.shades-actions {
  display: flex;
  gap: var(--space-2);
}
.shades-actions .btn {
  flex: 1;
  justify-content: center;
  font-size: var(--font-size-sm);
}

/* ===== Footer features ===== */
.features {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-5);
  padding: var(--space-6) var(--space-7);
  border-top: 1px solid var(--border-subtle);
}
.feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.feature-icon {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-purple);
}
.feature b {
  font-size: var(--font-size-sm);
  display: block;
}
.feature p {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: 2px;
}

/* ===== Toast ===== */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  box-shadow: var(--shadow-card);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-base);
  z-index: 100;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ===== Переключение страниц (Picker / Palette) ===== */
.app-page {
  display: none;
}
.app-page.active {
  display: block;
}

/* ===== Palette page ===== */
.palette-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0 var(--space-7) var(--space-5);
  flex-wrap: wrap;
}
.palette-search {
  flex: 1;
  min-width: 220px;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--bg-input);
}
.palette-search .icon {
  width: 15px;
  height: 15px;
  color: var(--text-muted);
  flex-shrink: 0;
}
.palette-search input {
  flex: 1;
  min-width: 0;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}
.palette-search input::placeholder {
  color: var(--text-muted);
}
.palette-toolbar .csel.text-input {
  padding: 0;
  border-radius: var(--radius-md);
}
.palette-toolbar .csel.text-input .csel-btn {
  border-radius: var(--radius-md);
}

.palette-grid {
  display: grid;
  grid-template-columns: 280px 1fr 320px;
  gap: var(--space-5);
  padding: 0 var(--space-7) var(--space-7);
  align-items: start;
}

/* Sidebar: My Palettes */
.palette-sidebar-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}
.palette-sidebar-head h3 {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
}
.palette-count {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}
.palette-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-height: 560px;
  overflow-y: auto;
  margin-bottom: var(--space-4);
}
.palette-list-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-2);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
  width: 100%;
}
.palette-list-item:hover {
  background: var(--bg-card-hover);
}
.palette-list-item.active {
  background: var(--bg-card-hover);
  border-color: var(--accent-purple);
}
.palette-list-swatch {
  display: flex;
  width: 52px;
  height: 36px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid var(--border-default);
}
.palette-list-swatch span {
  flex: 1;
}
.palette-list-item-info {
  flex: 1;
  min-width: 0;
}
.palette-list-item-info b {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}
.palette-list-item-info small {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}
.palette-list-item-menu {
  color: var(--text-muted);
  flex-shrink: 0;
  padding: 4px;
}
.palette-list-item-menu:hover {
  color: var(--text-primary);
}
.palette-list-empty {
  padding: var(--space-5) var(--space-2);
  text-align: center;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

/* Main palette panel */
.palette-main-head {
  margin-bottom: var(--space-4);
  position: relative;
}
.palette-main-title-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.palette-main-title-row h2 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
}
.palette-main-actions {
  position: absolute;
  top: 0;
  right: 0;
  display: flex;
  gap: var(--space-2);
}
.btn.sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-sm);
}
.btn-ghost.danger {
  color: #f87171;
  border-color: rgba(248, 113, 113, 0.35);
}
.btn-ghost.danger:hover {
  background: rgba(248, 113, 113, 0.1);
  border-color: rgba(248, 113, 113, 0.6);
}

.palette-strip {
  display: flex;
  height: 96px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-4);
  border: 1px solid var(--border-subtle);
}
.palette-strip span {
  flex: 1;
  cursor: pointer;
  transition: flex var(--transition-fast);
}
.palette-strip span:hover {
  flex: 1.3;
}

.palette-colors-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: var(--space-4) 0;
  max-height: 380px;
  overflow-y: auto;
}
.palette-color-row {
  display: grid;
  grid-template-columns: 28px 1fr 92px 44px 56px auto;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
}
.palette-color-row:hover {
  background: var(--bg-card-hover);
}
.palette-color-swatch {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-default);
}
.palette-color-name {
  font-weight: var(--font-weight-medium);
}
.palette-color-hex {
  color: var(--text-secondary);
  font-family: "SFMono-Regular", Consolas, monospace;
}
.palette-color-rating {
  font-size: 10px;
  font-weight: var(--font-weight-bold);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  text-align: center;
  color: var(--text-muted);
}
.palette-color-rating.aaa {
  color: var(--success);
  background: rgba(34, 197, 94, 0.14);
}
.palette-color-rating.aa {
  color: var(--warning);
  background: rgba(245, 158, 11, 0.14);
}
.palette-color-ratio {
  color: var(--text-muted);
  font-size: var(--font-size-xs);
}
.palette-color-row-actions {
  display: flex;
  gap: var(--space-1);
  justify-content: flex-end;
}
.palette-color-row-actions button {
  width: 26px;
  height: 26px;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
}
.palette-color-row-actions button:hover {
  color: var(--text-primary);
  background: var(--bg-card-hover);
}
.palette-color-row-actions .icon,
.palette-color-row-actions svg {
  width: 14px;
  height: 14px;
}

.palette-info {
  padding: var(--space-4) 0;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

.palette-add-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-subtle);
}
.palette-drop-hint {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

/* Shades & Tints side panel */
.palette-shades-card select.full {
  width: 100%;
  margin-bottom: var(--space-3);
}
.palette-shades-list {
  max-height: 620px;
}
.palette-shades-list .shade-row.current {
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.5) inset;
}

@media (max-width: 1300px) {
  .palette-grid {
    grid-template-columns: 240px 1fr;
  }
  .palette-shades-card {
    grid-column: 1 / -1;
  }
}
@media (max-width: 900px) {
  .palette-grid {
    grid-template-columns: 1fr;
  }
  .palette-color-row {
    grid-template-columns: 24px 1fr auto;
  }
  .palette-color-hex,
  .palette-color-rating,
  .palette-color-ratio {
    display: none;
  }
}

/* ===== Нижняя навигация (мобильная замена верхнего меню) ===== */
.bottomnav {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  align-items: stretch;
  background: var(--bg-card);
  border-top: 1px solid var(--border-subtle);
  padding-bottom: env(safe-area-inset-bottom, 0);
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.25);
}
.bottomnav-link {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 9px 4px 8px;
  background: none;
  border: none;
  font-family: inherit;
  font-size: 11px;
  color: var(--text-muted);
  cursor: pointer;
  position: relative;
}
.bottomnav-link .icon svg {
  width: 21px;
  height: 21px;
}
.bottomnav-link.active {
  color: var(--accent-purple);
}
.bottomnav-dot {
  position: absolute;
  top: 6px;
  right: calc(50% - 16px);
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-pink);
}

/* ===== Шторка «Ещё» ===== */
.bottomnav-sheet {
  position: fixed;
  inset: 0;
  z-index: 60;
}
.bottomnav-sheet[hidden] {
  display: none;
}
.bottomnav-sheet-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 6, 12, 0.6);
}
.bottomnav-sheet-panel {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-bottom: none;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: var(--space-3) var(--space-4)
    calc(var(--space-4) + env(safe-area-inset-bottom, 0));
  box-shadow: var(--shadow-card);
}
.bottomnav-sheet-handle {
  display: block;
  width: 36px;
  height: 4px;
  border-radius: var(--radius-pill);
  background: var(--border-strong);
  margin: var(--space-2) auto var(--space-4);
}
.bottomnav-sheet-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  border-bottom: 1px solid var(--border-subtle);
}
.bottomnav-sheet-item:last-child {
  border-bottom: none;
}
.bottomnav-sheet-item.active {
  color: var(--accent-purple);
}
.bottomnav-sheet-item .icon svg {
  width: 20px;
  height: 20px;
}
.bottomnav-sheet-item .dot {
  margin-inline-start: auto;
}


@media (max-width: 1180px) {
  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .grid > section.card:first-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 1100px) {
  .grid {
    grid-template-columns: 1fr;
  }
  .features {
    grid-template-columns: repeat(2, 1fr);
  }
  .topnav {
    display: none;
  }
  .bottomnav {
    display: flex;
  }
  body {
    padding-bottom: calc(58px + env(safe-area-inset-bottom, 0));
  }
}
@media (max-width: 640px) {
  .topbar,
  .page-head {
    padding: var(--space-4);
  }
  .grid {
    padding: 0 var(--space-4) var(--space-4);
  }
  .features {
    grid-template-columns: 1fr;
    padding: var(--space-5) var(--space-4);
  }
  .palette-toolbar,
  .palette-grid {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }
}
@media (max-width: 400px) {
  .topbar {
    gap: var(--space-2);
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }
  .topbar #exportBtn span:not(.icon) {
    display: none;
  }
  .topbar #exportBtn {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
    gap: 0;
  }
  .logo-text {
    font-size: var(--font-size-sm);
  }
}

/* ===== Converter page ===== */
.sl-square-wrap {
  margin-bottom: var(--space-4);
}
#convSquareBox {
  position: relative;
  width: 100%;
}
#convSquare {
  width: 100%;
  height: 300px;
  display: block;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  cursor: crosshair;
  touch-action: none;
}
.sl-marker {
  position: absolute;
  width: var(--marker-size);
  height: var(--marker-size);
  border: 3px solid #fff;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.5),
    0 2px 6px rgba(0, 0, 0, 0.5);
}

.format-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}
.format-card {
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--bg-input);
  padding: var(--space-3);
}
.format-card.full {
  margin-bottom: var(--space-4);
}
.format-card-head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
}
.format-check {
  width: 16px;
  height: 16px;
  accent-color: var(--accent-purple);
  cursor: pointer;
  flex-shrink: 0;
}
.format-value-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}
.format-value {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  overflow-wrap: anywhere;
}
.format-card.disabled {
  opacity: 0.45;
}
.copy-btn.xs {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}
.copy-btn.xs .icon {
  width: 12px;
  height: 12px;
}

.tip-box {
  display: flex;
  gap: var(--space-3);
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}
.tip-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.tip-icon svg {
  width: 16px;
  height: 16px;
}
.tip-box b {
  display: block;
  margin-bottom: 4px;
  font-size: var(--font-size-sm);
}
.tip-box p {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

.info-rows {
  display: flex;
  flex-direction: column;
  margin: var(--space-4) 0 var(--space-5);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.info-row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
}
.info-row + .info-row {
  border-top: 1px solid var(--border-subtle);
}
.info-row span:first-child {
  color: var(--text-secondary);
}
.info-row span:last-child {
  font-weight: var(--font-weight-medium);
  text-align: right;
}

.harmony-section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-3);
}
.harmony-section-head h3 {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
}
.harmony-view-all {
  font-size: var(--font-size-sm);
  color: var(--accent-blue);
}
.harmony-view-all:hover {
  text-decoration: underline;
}
.harmony-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.harmony-list-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.harmony-list-label {
  width: 108px;
  flex-shrink: 0;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}
.harmony-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  flex: 1;
}
.harmony-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}
.harmony-chip-swatch {
  width: 20px;
  height: 20px;
  border-radius: 5px;
  border: 1px solid var(--border-default);
  flex-shrink: 0;
}
.harmony-chip-hex {
  font-size: 11px;
  color: var(--text-muted);
  font-family: "SFMono-Regular", Consolas, monospace;
}

@media (max-width: 1100px) {
  .format-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .format-grid {
    grid-template-columns: 1fr;
  }
  .harmony-list-row {
    flex-wrap: wrap;
  }
}