/* AI 学习空间站 · 主题桥接 */

/* 素白风皮肤变量见 themes-serenity.css */

/* ── GlassMusic 复刻布局与变量桥接 ── */
[data-theme="glass"] {
  --kb-sticky-bg: rgba(238, 242, 248, 0.94);
  color-scheme: light;
  /* 亮色毛玻璃：白边 + 内发光（原项目 glass.css 核心） */
  --glass-border-default: rgba(255, 255, 255, 0.42);
  --glass-border-subtle: rgba(255, 255, 255, 0.16);
  --glass-shadow-inset:
    inset 0 1px 0 rgba(255, 255, 255, 0.82),
    inset 1px 0 0 rgba(255, 255, 255, 0.22),
    inset -1px 0 0 rgba(255, 255, 255, 0.16),
    inset 0 -1px 0 rgba(255, 255, 255, 0.1);
  --glass-edge-outer: 0 0 0 1px rgba(255, 255, 255, 0.24), 0 12px 40px rgba(255, 255, 255, 0.1);

  --text: var(--glass-text-primary);
  --muted: var(--glass-text-secondary);
  --accent: #7c5ce0;
  --accent-2: #ec4899;
  --accent-soft: rgba(124, 92, 224, 0.1);
  --green: #2f9e8a;
  --gold: #c9a227;
  --danger: #e2556a;
  --panel: var(--glass-bg-card);
  --panel2: var(--glass-bg-elevated);
  --sidebar-bg: transparent;
  --line: rgba(255, 255, 255, 0.18);
  --input-bg: var(--glass-interactive-bg);
  --hover-bg: var(--glass-interactive-hover-muted);
  --chip-bg: var(--glass-interactive-bg);
  --chip-fg: var(--glass-text-primary);
  --shadow: var(--glass-shadow-lg);
  --radius: 16px;
  --font: "Noto Sans SC", system-ui, sans-serif;
  --font-display: "Noto Sans SC", sans-serif;
  --glass: blur(var(--glass-blur-md)) saturate(1.35);
  --brand-gradient: linear-gradient(120deg, #667eea, #764ba2, #f093fb);
  --link: #7c5ce0;
  --btn-primary-bg: var(--glass-progress-fill);
  --btn-primary-fg: #ffffff;
  --graph-node: rgba(255, 255, 255, 0.55);
  --graph-stroke: #7c5ce0;
  --graph-edge: rgba(124, 92, 224, 0.22);
  --dock-panel-bg: #e8f3fc;
  --dock-panel-head-bg: #dceaf8;
  --dock-panel-input-bg: #f3f8fd;
  --dock-panel-line: color-mix(in srgb, #5b8def 22%, rgba(148, 163, 184, 0.28));
}

.station-root {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.station-bg {
  display: none;
  position: absolute;
  inset: 0;
  z-index: 0;
}

.custom-theme {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

[data-theme="glass"] .station-bg {
  display: block;
}

[data-theme="glass"] body {
  background-color: var(--calm-body-bg, #eef2f8);
  color: var(--glass-text-primary);
}

/* 光斑开/关共用同一套 palette 叠层，避免切换后整体变暗 */
[data-theme="glass"] .custom-theme::after {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, var(--calm-overlay-top, 0.28)) 0%,
    rgba(255, 255, 255, var(--calm-overlay-bottom, 0.12)) 100%
  );
  -webkit-backdrop-filter: saturate(1.4) brightness(calc(var(--skin-adj-bright, 1) * 1.05));
  backdrop-filter: saturate(1.4) brightness(calc(var(--skin-adj-bright, 1) * 1.05));
}

[data-theme="glass"] .station-frame {
  position: relative;
  z-index: 1;
  height: 100%;
  padding: 24px 48px 28px;
  box-sizing: border-box;
}

:root .station-frame {
  height: 100%;
  padding: 0;
}

[data-theme="glass"] .app {
  height: 100%;
  overflow: hidden;
}

/* 外框：一层 glass-container 白边 + 内发光 */
[data-theme="glass"] .app.glass-container {
  border-radius: 24px;
  box-shadow: var(--glass-shadow-xl), var(--glass-edge-outer), var(--glass-shadow-inset);
}

/* 侧栏/聊天：列内 glass-card，不再叠第二层粗边框 */
[data-theme="glass"] .sidebar,
[data-theme="glass"] .chat-panel {
  margin: 0;
  padding: 12px;
  border: none;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

[data-theme="glass"] .sidebar {
  border-right: 1px solid var(--glass-border-subtle);
}

[data-theme="glass"] .chat-panel {
  border-left: 1px solid var(--glass-border-subtle);
}

[data-theme="glass"] .sidebar-inner,
[data-theme="glass"] .chat-inner {
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  border-radius: 16px;
  overflow: hidden;
}

[data-theme="glass"] .topbar.glass-nav {
  background: var(--glass-bg-subtle);
  border: 1px solid var(--glass-border-default);
  border-bottom: none;
  backdrop-filter: blur(var(--glass-blur-md)) saturate(1.35);
  -webkit-backdrop-filter: blur(var(--glass-blur-md)) saturate(1.35);
  box-shadow: var(--glass-shadow-sm), var(--glass-shadow-inset);
}

[data-theme="glass"] .brand,
[data-theme="glass"] .chat-head,
[data-theme="glass"] .chat-modes,
[data-theme="glass"] .phone-panel {
  border-color: var(--glass-border-subtle) !important;
}

[data-theme="glass"] .brand h1 {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

[data-theme="glass"] .nav-item {
  color: var(--glass-text-secondary);
  border-radius: 8px;
  transition: all 0.2s var(--glass-ease, ease);
}

[data-theme="glass"] .nav-item:hover {
  background: var(--glass-interactive-hover-muted);
  color: var(--glass-text-primary);
}

[data-theme="glass"] .nav-item.active {
  background: transparent;
  color: var(--glass-text-primary);
  font-weight: 500;
  box-shadow: none;
}

[data-theme="glass"] .kb-card,
[data-theme="glass"] .practice-box,
[data-theme="glass"] .stat-mini,
[data-theme="glass"] .theme-panel,
[data-theme="glass"] .info-card,
[data-theme="glass"] .note-card,
[data-theme="glass"] .btn,
[data-theme="glass"] .ind-tab,
[data-theme="glass"] .chat-mode-btn,
[data-theme="glass"] .icon-btn,
[data-theme="glass"] .pill {
  border-color: var(--glass-border-default) !important;
  box-shadow: var(--glass-shadow-sm), var(--glass-shadow-inset);
}

[data-theme="glass"] .kb-card,
[data-theme="glass"] .practice-box,
[data-theme="glass"] .stat-mini,
[data-theme="glass"] .theme-panel,
[data-theme="glass"] .info-card,
[data-theme="glass"] .note-card {
  background: var(--glass-bg-card);
  backdrop-filter: blur(var(--glass-blur-md)) saturate(1.35);
  -webkit-backdrop-filter: blur(var(--glass-blur-md)) saturate(1.35);
}

[data-theme="glass"] .kb-peek-card,
[data-theme="glass"] .read-summary-card,
[data-theme="glass"] .read-article-card,
[data-theme="glass"] #search-results,
[data-theme="glass"] .toast {
  background: var(--glass-bg-overlay);
  border: 1px solid var(--glass-border-default) !important;
  box-shadow: var(--glass-shadow-lg), var(--glass-edge-outer), var(--glass-shadow-inset);
  backdrop-filter: blur(var(--glass-blur-md)) saturate(1.35);
  -webkit-backdrop-filter: blur(var(--glass-blur-md)) saturate(1.35);
}

[data-theme="glass"] .search-box input,
[data-theme="glass"] .search-box input:focus {
  border: none !important;
  background: transparent !important;
  box-shadow: none !important;
  outline: none;
}

[data-theme="glass"] .scene-orb {
  display: none;
}

/* 皮肤切换 */
.theme-panel {
  margin-top: 4px;
  padding: 10px;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line);
  font-size: 0.78rem;
}
.theme-panel > summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
  list-style: none;
}
.theme-panel > summary::-webkit-details-marker { display: none; }
.theme-presets {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 10px 0 0;
}
.theme-swatch {
  padding: 0;
  border: 2px solid transparent;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  min-height: 52px;
  transition: transform 0.15s, border-color 0.15s;
}
.theme-swatch:hover { transform: translateY(-1px); }
.theme-swatch.active {
  border-color: var(--accent);
  box-shadow: 0 0 24px rgba(167, 139, 250, 0.25);
}
.theme-swatch-inner {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 52px;
  padding: 8px;
}
.theme-swatch-label {
  font-size: 0.72rem;
  font-weight: 600;
}
.theme-swatch-tag {
  font-size: 0.62rem;
  opacity: 0.75;
}
.theme-swatch[data-preset="serenity"] .theme-swatch-inner {
  background: linear-gradient(145deg, #fafaf9, #f5f5f4);
  color: #1c1917;
}
.theme-swatch[data-preset="glass"] .theme-swatch-inner {
  background: linear-gradient(145deg, #667eea, #764ba2 40%, #f093fb);
  color: #fff;
}
.font-panel {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
}
.skin-font-section {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
}
.skin-section-label {
  margin: 0 0 8px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text);
  opacity: 0.85;
}
.font-panel > summary {
  cursor: pointer;
  padding: 4px 0 8px;
  color: var(--text);
  font-weight: 600;
  list-style: none;
}
.font-panel > summary::-webkit-details-marker { display: none; }
.font-field {
  display: block;
  margin: 8px 0;
}
.font-field span {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
  color: var(--text);
}
.font-field em {
  font-style: normal;
  color: var(--accent);
  font-size: 0.72rem;
}
.font-field select,
.font-field input[type="range"] {
  width: 100%;
}
.font-field select {
  padding: 6px 8px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--input-bg);
  color: var(--text);
}
.font-tip {
  margin: 6px 0 0;
  font-size: 0.68rem;
  line-height: 1.45;
}

[data-theme="glass"] .font-field select {
  border-color: var(--glass-border-default);
  background: var(--glass-interactive-bg);
}

/* 滚动条（来自 GlassMusic base.scss） */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(128, 128, 128, 0.25);
  border-radius: 10px;
}
[data-theme="glass"] ::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.12);
}
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(128, 128, 128, 0.25) transparent;
}