/* ===========================================
   主题变量（跟随系统深浅）
   =========================================== */
:root {
  --bg-base: #15171c;
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.78);
  --text-tertiary: rgba(255, 255, 255, 0.5);
  --card-bg: rgba(22, 24, 32, 0.42);
  --card-border: rgba(255, 255, 255, 0.14);
  --card-hover: rgba(255, 255, 255, 0.16);
  --input-bg: rgba(255, 255, 255, 0.14);
  --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.25);
  --shadow-strong: 0 12px 48px rgba(0, 0, 0, 0.4);
  --accent: #4f8cff;
  --accent-soft: rgba(79, 140, 255, 0.22);
  --overlay: rgba(8, 10, 18, 0.42);
  --radius-card: 18px;
  --radius-input: 999px;
  --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg-base: #eef0f4;
    --text-primary: #1f2330;
    --text-secondary: rgba(31, 35, 48, 0.72);
    --text-tertiary: rgba(31, 35, 48, 0.5);
    --card-bg: rgba(255, 255, 255, 0.55);
    --card-border: rgba(255, 255, 255, 0.7);
    --card-hover: rgba(255, 255, 255, 0.8);
    --input-bg: rgba(255, 255, 255, 0.75);
    --shadow-soft: 0 8px 32px rgba(31, 35, 48, 0.1);
    --shadow-strong: 0 12px 48px rgba(31, 35, 48, 0.16);
    --accent: #2563eb;
    --accent-soft: rgba(37, 99, 235, 0.16);
    --overlay: rgba(255, 255, 255, 0.34);
  }
}

/* ===========================================
   基础重置
   =========================================== */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { background: var(--bg-base); }

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
    "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  color: var(--text-primary);
  overflow-x: hidden;
  transition: color var(--transition);
  -webkit-font-smoothing: antialiased;
}

body { min-height: 100vh; background: transparent; }

a { color: inherit; text-decoration: none; }
button { background: none; border: none; color: inherit; font: inherit; cursor: pointer; }
input, textarea { font: inherit; color: inherit; outline: none; border: none; background: transparent; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: var(--text-tertiary); border-radius: 4px; }
::-webkit-scrollbar-track { background: transparent; }

/* ===========================================
   必应每日壁纸背景 + 遮罩
   =========================================== */
.bg-wallpaper {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-color: var(--bg-base);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: background-image var(--transition);
}
.bg-overlay {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: var(--overlay);
  pointer-events: none;
}

/* ===========================================
   主布局
   =========================================== */
.app {
  display: block;
  min-height: 100vh;
}

/* ===========================================
   主体
   =========================================== */
.main {
  padding: 56px 56px 32px;
  min-width: 0;
}

/* ===========================================
   顶部 Hero
   =========================================== */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  margin-bottom: 40px;
}

.time {
  font-size: 120px;
  font-weight: 200;
  line-height: 1;
  letter-spacing: -2px;
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  user-select: none;
  transition: transform var(--transition), letter-spacing var(--transition);
}
.time:hover {
  transform: scale(1.02);
  letter-spacing: 0;
}
.time:active { transform: scale(0.98); }
.date {
  margin-top: 10px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 16px;
}
.date-main {
  display: flex;
  gap: 8px;
  justify-content: center;
  align-items: center;
}
.date-sub {
  margin-top: 5px;
  font-size: 13px;
  color: var(--text-tertiary);
  display: flex;
  gap: 8px;
  justify-content: center;
  align-items: center;
}
.holiday { color: var(--accent); font-weight: 600; }
.hero-quote {
  margin: 14px auto 0;
  max-width: 520px;
  font-size: 14px;
  font-style: italic;
  line-height: 1.6;
  color: var(--text-secondary);
  opacity: 0.92;
  transition: opacity var(--transition), max-height var(--transition);
}
.dot { color: var(--text-tertiary); }

/* 搜索 */
.search-wrap {
  position: relative;
  width: min(640px, 90%);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-input);
  padding: 6px 8px 6px 18px;
  box-shadow: var(--shadow-soft);
  transition: opacity var(--transition), transform var(--transition), max-height var(--transition),
    border-color var(--transition), box-shadow var(--transition);
}
.search-wrap:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft), var(--shadow-soft);
}
.search-engine {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--transition);
}
.search-engine:hover { background: var(--card-hover); }
.engine-icon {
  width: 22px; height: 22px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #2932e1, #4f8cff);
  color: #fff;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
}
.engine-name { font-size: 13px; color: var(--text-secondary); }

.search-input {
  flex: 1;
  padding: 8px 10px;
  font-size: 15px;
  min-width: 0;
}

.search-btn {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  transition: transform var(--transition), background var(--transition);
}
.search-btn:hover { transform: scale(1.05); background: var(--accent); opacity: 0.9; }

.engine-list {
  position: absolute;
  top: calc(100% + 6px);
  left: 18px;
  background: var(--card-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 6px;
  list-style: none;
  box-shadow: var(--shadow-strong);
  min-width: 120px;
  z-index: 10;
}
.engine-list li {
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  transition: background var(--transition);
}
.engine-list li:hover { background: var(--accent-soft); color: var(--accent); }

/* ===========================================
   卡片网格（三板块居中分布）
   =========================================== */
.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 1080px;
  margin: 0 auto;
  transition: opacity var(--transition), transform var(--transition), max-height var(--transition);
}

/* ===========================================
   极简模式（点击时间进入：只留时间 + 日期 + 农历）
   =========================================== */
body.minimal .search-wrap,
body.minimal .grid,
body.minimal .page-footer {
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  max-height: 0;
  overflow: hidden;
  margin: 0;
}
body.minimal .hero { margin-bottom: 0; gap: 18px; }
body.minimal .time { font-size: 160px; }
body.minimal .hero-quote { opacity: 0; max-height: 0; overflow: hidden; margin: 0; }

.card {
  position: relative;
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-card);
  padding: 18px;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}
.card:hover {
  transform: translateY(-4px);
  background: var(--card-hover);
  box-shadow: var(--shadow-strong);
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}
.card-footer {
  margin-top: auto;
  padding-top: 10px;
  font-size: 11px;
  color: var(--text-tertiary);
  border-top: 1px dashed var(--card-border);
}

/* --- 天气 --- */
.card-weather { background: linear-gradient(135deg, rgba(79, 140, 255, 0.18), rgba(255, 126, 95, 0.12)); }
.weather-body {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 1;
}
.weather-temp {
  font-size: 56px;
  font-weight: 200;
  line-height: 1;
  letter-spacing: -1px;
}
.deg { font-size: 28px; vertical-align: top; }
.weather-info { display: flex; flex-direction: column; gap: 8px; font-size: 13px; color: var(--text-secondary); }
.weather-meta { display: flex; flex-direction: column; gap: 4px; font-size: 12px; }
.weather-meta em {
  font-style: normal;
  color: #4caf50;
  font-weight: 600;
}
.weather-icon { font-size: 56px; line-height: 1; opacity: 0.92; filter: drop-shadow(0 4px 10px rgba(0,0,0,0.18)); }

/* --- 快捷方式 --- */
.shortcuts-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  flex: 1;
  align-content: start;
}
.shortcut {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 4px;
  border-radius: 12px;
  transition: background var(--transition), transform var(--transition);
  cursor: pointer;
}
.shortcut:hover { background: var(--card-hover); transform: translateY(-2px); }
.shortcut-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #fff;
  font-weight: 600;
}
.shortcut-name { font-size: 11px; color: var(--text-secondary); }
.add-btn {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--card-hover);
  color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  line-height: 1;
  transition: background var(--transition), color var(--transition);
}
.add-btn:hover { background: var(--accent); color: #fff; }

/* --- 工具集 --- */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  flex: 1;
}
.tool {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 4px;
  border-radius: 10px;
  transition: background var(--transition), transform var(--transition);
  cursor: pointer;
}
.tool:hover { background: var(--card-hover); transform: translateY(-2px); }
.tool-icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  color: #fff;
}
.tool-name { font-size: 11px; color: var(--text-secondary); }

/* ===========================================
   页脚
   =========================================== */
.page-footer {
  margin-top: 32px;
  text-align: center;
  font-size: 12px;
  color: var(--text-tertiary);
  transition: opacity var(--transition), transform var(--transition), max-height var(--transition);
}
.page-footer a { color: var(--text-secondary); transition: color var(--transition); }
.page-footer a:hover { color: var(--accent); }

/* ===========================================
   模态框
   =========================================== */
.modal[hidden] { display: none; }
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-mask {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
}
.modal-body {
  position: relative;
  background: var(--card-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 24px;
  width: min(420px, 90vw);
  box-shadow: var(--shadow-strong);
  animation: modalIn 200ms ease;
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.modal-header h3 { font-size: 16px; font-weight: 600; }
.modal-close {
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}
.modal-close:hover { background: var(--card-hover); }
.modal-content { display: flex; flex-direction: column; gap: 12px; }
.modal-content label { font-size: 13px; color: var(--text-secondary); }
.modal-content input {
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--input-bg);
  border: 1px solid var(--card-border);
  font-size: 14px;
}
.modal-content input:focus { border-color: var(--accent); }
.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 8px;
}
.modal-actions button {
  padding: 8px 18px;
  border-radius: 10px;
  font-size: 13px;
  transition: background var(--transition);
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { opacity: 0.9; }
.btn-secondary { background: var(--card-hover); }
.btn-secondary:hover { background: var(--card-bg); }

/* ===========================================
   管理后台隐蔽入口（页面不可见，悬停微亮）
   =========================================== */
.admin-entry {
  position: fixed;
  right: 10px;
  bottom: 10px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text-tertiary);
  opacity: 0.06;
  cursor: pointer;
  z-index: 50;
  transition: opacity var(--transition), transform var(--transition);
}
.admin-entry:hover { opacity: 0.5; transform: scale(1.3); }

/* ===========================================
   响应式
   =========================================== */
@media (max-width: 1100px) {
  .time { font-size: 90px; }
  .main { padding: 28px 32px 24px; }
  .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .time { font-size: 64px; }
  .grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .main { padding: 24px 16px; }
}

@media (max-width: 560px) {
  .time { font-size: 48px; }
  .grid { grid-template-columns: 1fr; }
  .search-wrap { width: 92%; }
  body.minimal .time { font-size: 96px; }
}