/* ============================================================
   Yingo · Base / Reset / 全局骨架
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--yingo-font);
  font-size: var(--yingo-fs-md);
  line-height: 1.6;
  color: var(--yingo-on-surface);
  background: var(--yingo-bg);
  -webkit-font-smoothing: antialiased;
  transition: background var(--yingo-dur), color var(--yingo-dur);
}

/* 自定义背景图层（lime-tabs / 管理面板）：独立伪元素，blur 不影响内容 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: var(--yingo-bg-image);
  background-size: cover;
  background-position: center;
  filter: blur(var(--yingo-bg-blur)) saturate(1.15);
  transform: scale(1.06);          /* 防止 blur 边缘露白 */
  pointer-events: none;
}
body::after {                      /* 色调压暗层 */
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: var(--yingo-bg-tint);
  pointer-events: none;
}

img, svg, video { max-width: 100%; height: auto; }

a { color: var(--yingo-primary); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

::selection { background: var(--yingo-primary); color: var(--yingo-on-primary); }

/* ---- 通用控件外观（全局唯一定义处） ---- */
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
input, textarea { background: none; }
input:focus, textarea:focus, select:focus { outline: none; }
:disabled { opacity: .4; cursor: not-allowed; }

button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible,
a:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--yingo-primary);
  outline-offset: 2px;
}

/* 系统滚动条（webkit + firefox） */
* { scrollbar-width: thin; scrollbar-color: var(--yingo-outline-variant) transparent; }
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-thumb { background: var(--yingo-outline-variant); border-radius: 99px; }
*::-webkit-scrollbar-track { background: transparent; }

/* ---- 毛玻璃表面（统一质感） ---- */
.glass {
  background: var(--yingo-glass-bg);
  -webkit-backdrop-filter: blur(var(--yingo-blur)) saturate(1.4);
  backdrop-filter: blur(var(--yingo-blur)) saturate(1.4);
  border: 1px solid var(--yingo-glass-border);
}

/* ============================================================
   页面骨架：顶栏吸顶 / 主列居中 / 音乐坞吸底 / 抽屉右侧
   ============================================================ */
#yingo-root {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.yingo-slot { width: 100%; display: flex; flex-direction: column; align-items: center; }
.yingo-slot > .y-module { width: 100%; }

.yingo-slot--topbar {
  position: sticky;
  top: 0;
  z-index: var(--yingo-z-topbar);
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  height: var(--yingo-topbar-h);
  padding: 0 var(--yingo-sp-5);
  background: var(--yingo-glass-bg);
  -webkit-backdrop-filter: blur(var(--yingo-blur)) saturate(1.4);
  backdrop-filter: blur(var(--yingo-blur)) saturate(1.4);
  border-bottom: 1px solid var(--yingo-outline-variant);
}

.yingo-slot--search { padding: var(--yingo-sp-7) var(--yingo-sp-4) var(--yingo-sp-5); }

.yingo-slot--apps   { padding: 0 var(--yingo-sp-4) var(--yingo-sp-5); }

.yingo-slot--music,
.yingo-slot--theme  { padding: 0 var(--yingo-sp-4); }

/* 底部留出音乐坞固定高度 */
#yingo-root { padding-bottom: calc(var(--yingo-dock-h) + var(--yingo-sp-5)); }

/* ---- 音乐坞：悬浮玻璃卡，吸底居中 ---- */
.yingo-slot--music {
  position: fixed;
  bottom: calc(var(--yingo-sp-4) + env(safe-area-inset-bottom, 0px));
  left: 50%;
  transform: translateX(-50%);
  width: min(var(--yingo-dock-w), calc(100vw - 2 * var(--yingo-sp-4)));
  z-index: var(--yingo-z-dock);
}

/* ---- 抽屉：右侧滑入 ---- */
.yingo-slot--drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(var(--yingo-drawer-w), 92vw);
  z-index: var(--yingo-z-drawer);
  padding: var(--yingo-sp-5);
  overflow-y: auto;
  background: var(--yingo-glass-bg);
  -webkit-backdrop-filter: blur(var(--yingo-blur)) saturate(1.4);
  backdrop-filter: blur(var(--yingo-blur)) saturate(1.4);
  border-left: 1px solid var(--yingo-glass-border);
  box-shadow: var(--yingo-shadow-3);
  transform: translateX(100%);
  visibility: hidden;
  transition: transform var(--yingo-dur) var(--yingo-ease), visibility 0s var(--yingo-dur);
}
.yingo-slot--drawer[data-collapsed="false"] {
  transform: none;
  visibility: visible;
  transition: transform var(--yingo-dur) var(--yingo-ease), visibility 0s;
}
.yingo-slot--drawer > .y-module { height: 100%; }

/* 顶栏内：齿轮靠右、时钟紧邻其左（覆盖 clock 模块的内联样式） */
.yingo-slot--topbar > .y-module-clock {
  margin-left: auto !important;
  margin-right: 0;
  text-align: right !important;
  align-items: flex-end;
}
.yingo-slot--topbar > .yingo-drawer-toggle { margin-left: var(--yingo-sp-3); margin-right: 0; }

@media (prefers-reduced-motion: reduce) {
  .yingo-slot--drawer, body::before { transition: none; }
}

/* ---- 抽屉开关：顶栏内、时钟左侧的小圆钮 ---- */
.yingo-drawer-toggle {
  position: static;
  width: 36px;
  height: 36px;
  flex: none;
  margin-right: var(--yingo-sp-3);
  margin-left: auto;
  border-radius: var(--yingo-radius-pill);
  display: grid;
  place-items: center;
  font-size: var(--yingo-fs-md);
  color: var(--yingo-on-surface);
  opacity: .75;
  transition: opacity var(--yingo-dur-fast), transform var(--yingo-dur-fast);
}
.yingo-drawer-toggle:hover { opacity: 1; transform: scale(1.06); }
.yingo-drawer-toggle[aria-expanded="true"] { opacity: 1; }

/* ---- 遮罩 ---- */
#yingo-overlay {
  position: fixed;
  inset: 0;
  z-index: calc(var(--yingo-z-drawer) - 1);
  background: var(--yingo-scrim);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--yingo-dur), visibility 0s var(--yingo-dur);
}
#yingo-overlay[data-visible="true"] {
  opacity: 1;
  visibility: visible;
  transition: opacity var(--yingo-dur);
}

/* ---- 模块失败占位 ---- */
.y-module-fallback {
  display: grid;
  place-items: center;
  min-height: 72px;
  border: 1px dashed var(--yingo-outline);
  border-radius: var(--yingo-radius-md);
  color: var(--yingo-on-surface-variant);
  font-size: var(--yingo-fs-sm);
  cursor: pointer;
}
.y-module-fallback:hover { color: var(--yingo-on-surface); border-color: var(--yingo-primary); }

/* ---- 窄视口 ---- */
@media (max-width: 640px) {
  :root { --yingo-dock-h: 108px; }
  .yingo-slot--topbar { padding: 0 var(--yingo-sp-4); }
  .yingo-slot--search { padding-top: var(--yingo-sp-6); }
}