/* ========== 颜色主题选择器 - 类似 CTF-WIKI ========== */

/* 主题选择器触发按钮 */
.theme-picker-trigger {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.8rem;
  margin-left: 0.5rem;
  background: transparent;
  border: none;
  border-radius: 0.2rem;
  color: var(--md-default-fg-color--light);
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
  font-size: 0.7rem;
}

.theme-picker-trigger:hover {
  background-color: var(--md-default-fg-color--lightest);
  color: var(--md-default-fg-color);
}

.theme-picker-trigger svg {
  width: 1.1rem;
  height: 1.1rem;
  fill: currentColor;
}

.theme-picker-trigger.active {
  background-color: var(--md-primary-fg-color--light);
  color: var(--md-primary-bg-color);
}

/* 弹出容器 */
.theme-picker-popup {
  position: absolute;
  top: 2.8rem;
  right: 4.5rem;
  background-color: var(--md-default-bg-color);
  border-radius: 0.4rem;
  box-shadow: 0 0.5rem 2rem rgba(0, 0, 0, 0.2),
              0 0 0.5rem rgba(0, 0, 0, 0.1);
  padding: 1rem;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-0.5rem);
  transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
  max-width: 280px;
  max-height: 400px;
  overflow-y: auto;
}

[data-md-color-scheme="slate"] .theme-picker-popup {
  box-shadow: 0 0.5rem 2rem rgba(0, 0, 0, 0.4),
              0 0 0.5rem rgba(0, 0, 0, 0.2);
}

.theme-picker-popup.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* 区块样式 */
.theme-picker-section {
  margin-bottom: 1rem;
}

.theme-picker-section:last-child {
  margin-bottom: 0;
}

.theme-picker-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--md-default-fg-color--light);
  margin-bottom: 0.5rem;
}

/* 配色方案按钮 */
.theme-picker-buttons {
  display: flex;
  gap: 0.5rem;
}

.theme-picker-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  padding: 0.5rem;
  background-color: var(--md-default-fg-color--lightest);
  border: 2px solid transparent;
  border-radius: 0.3rem;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.6rem;
  color: var(--md-default-fg-color);
}

.theme-picker-btn:hover {
  background-color: var(--md-primary-fg-color--light);
}

.theme-picker-btn.active {
  border-color: var(--md-primary-fg-color);
  background-color: var(--md-primary-fg-color--light);
}

.scheme-light,
.scheme-dark {
  display: block;
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 50%;
}

.scheme-light {
  background: linear-gradient(135deg, #ffffff 50%, #e0e0e0 50%);
  border: 1px solid #ccc;
}

.scheme-dark {
  background: linear-gradient(135deg, #2e303e 50%, #1a1c26 50%);
  border: 1px solid #444;
}

/* 颜色网格 */
.theme-color-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.4rem;
}

.theme-color-btn {
  aspect-ratio: 1;
  border: 2px solid transparent;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s;
  padding: 0;
  position: relative;
}

.theme-color-btn:hover {
  transform: scale(1.15);
  box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.2);
}

.theme-color-btn.active {
  border-color: var(--md-default-fg-color);
  box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.3);
}

/* 颜色变量映射 */
:root {
  --md-color-red: #ef5350;
  --md-color-pink: #ec407a;
  --md-color-purple: #ab47bc;
  --md-color-deep-purple: #7e57c2;
  --md-color-indigo: #5c6bc0;
  --md-color-blue: #42a5f5;
  --md-color-light-blue: #29b6f6;
  --md-color-cyan: #26c6da;
  --md-color-teal: #26a69a;
  --md-color-green: #66bb6a;
  --md-color-light-green: #9ccc65;
  --md-color-lime: #d4e157;
  --md-color-yellow: #ffee58;
  --md-color-amber: #ffca28;
  --md-color-orange: #ffa726;
  --md-color-deep-orange: #ff7043;
  --md-color-brown: #8d6e63;
  --md-color-grey: #9e9e9e;
  --md-color-blue-grey: #78909c;
  --md-color-white: #ffffff;
  --md-color-black: #000000;
}

/* 滚动条样式 */
.theme-picker-popup::-webkit-scrollbar {
  width: 0.4rem;
}

.theme-picker-popup::-webkit-scrollbar-track {
  background: var(--md-default-fg-color--lightest);
  border-radius: 0.2rem;
}

.theme-picker-popup::-webkit-scrollbar-thumb {
  background: var(--md-default-fg-color--lighter);
  border-radius: 0.2rem;
}

.theme-picker-popup::-webkit-scrollbar-thumb:hover {
  background: var(--md-default-fg-color--light);
}

/* 响应式设计 */
@media screen and (max-width: 600px) {
  .theme-picker-popup {
    right: -1rem;
    max-width: 260px;
  }
  
  .theme-color-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

/* 深色模式适配 */
[data-md-color-scheme="slate"] .theme-picker-btn {
  background-color: var(--md-default-fg-color--lighter);
}

[data-md-color-scheme="slate"] .theme-color-btn {
  box-shadow: 0 0.1rem 0.3rem rgba(0, 0, 0, 0.3);
}