:root {
  --radius: 14px;
  --card-bg: rgba(255, 255, 255, 0.82);
  --card-bg-strong: rgba(255, 255, 255, 0.95);
  --text: #1f2430;
  --text-sub: #6b7280;
  --accent: #4f7cff;
  --danger: #e5484d;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
  --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: #fff;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* 背景 */
.bg {
  position: fixed;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: background-image 0.5s ease;
  z-index: -2;
}
.bg-overlay {
  position: fixed;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.25) 0%, rgba(0,0,0,0.15) 60%, rgba(0,0,0,0.35) 100%);
  z-index: -1;
}

.app {
  max-width: 1080px;
  margin: 0 auto;
  padding: 48px 24px 90px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 26px;
}

/* 时钟 */
.clock-area { text-align: center; text-shadow: 0 2px 12px rgba(0,0,0,0.4); }
.time { font-size: 64px; font-weight: 700; letter-spacing: 2px; font-variant-numeric: tabular-nums; }
.date { font-size: 17px; margin-top: 4px; opacity: 0.92; }

/* 搜索框 */
.search-area { width: 100%; max-width: 620px; }
.search-box {
  position: relative;
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.92);
  border-radius: 50px;
  padding: 6px 8px 6px 6px;
  box-shadow: var(--shadow);
  color: var(--text);
}
.engine-select {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 40px;
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  font-size: 14px;
  background: rgba(0,0,0,0.04);
  transition: background 0.15s;
}
.engine-select:hover { background: rgba(0,0,0,0.08); }
.engine-icon { font-size: 16px; }
.engine-arrow { font-size: 11px; opacity: 0.6; }
#searchInput {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 16px;
  padding: 10px 14px;
  color: var(--text);
}
.engine-menu {
  position: absolute;
  top: 56px;
  left: 0;
  background: var(--card-bg-strong);
  color: var(--text);
  border-radius: 12px;
  box-shadow: var(--shadow);
  min-width: 180px;
  overflow: hidden;
  z-index: 20;
}
.engine-menu .em-item {
  padding: 11px 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
}
.engine-menu .em-item:hover { background: rgba(79,124,255,0.1); }
.engine-menu .em-item.active { background: rgba(79,124,255,0.14); color: var(--accent); font-weight: 600; }

/* 导航分组 */
.nav-container {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.nav-group {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border-radius: var(--radius);
  padding: 16px 18px 18px;
  box-shadow: var(--shadow-sm);
  color: var(--text);
}
.group-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.group-title { font-size: 15px; font-weight: 600; flex: 1; }
.group-actions { display: flex; gap: 4px; opacity: 0; transition: opacity 0.15s; }
.nav-group:hover .group-actions { opacity: 1; }
.gh-btn {
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 14px;
  padding: 4px 7px;
  border-radius: 8px;
  color: var(--text-sub);
  transition: background 0.15s;
}
.gh-btn:hover { background: rgba(0,0,0,0.07); color: var(--text); }
.gh-btn.del:hover { color: var(--danger); }

.group-items {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(92px, 1fr));
  gap: 10px;
}
.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 12px 6px;
  border-radius: 12px;
  cursor: pointer;
  text-decoration: none;
  color: var(--text);
  transition: transform 0.12s, background 0.12s;
  position: relative;
}
.nav-item:hover { background: rgba(255,255,255,0.55); transform: translateY(-2px); }
.nav-item .icon-wrap {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  overflow: hidden;
  font-size: 22px;
}
.nav-item .icon-wrap img { width: 28px; height: 28px; object-fit: contain; }
.nav-item .ni-name {
  font-size: 12px;
  text-align: center;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.nav-item .item-edit {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(0,0,0,0.5);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 11px;
  display: none;
  align-items: center;
  justify-content: center;
}
.nav-item:hover .item-edit { display: flex; }

/* 待办 */
.todo-card {
  width: 100%;
  max-width: 620px;
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 16px 18px;
  color: var(--text);
}
.todo-header { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.todo-title { font-size: 15px; font-weight: 600; flex: 1; }
.todo-count {
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  border-radius: 20px;
  padding: 2px 9px;
}
.todo-list { list-style: none; }
.todo-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 4px;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  font-size: 14px;
}
.todo-list li:last-child { border-bottom: none; }
.todo-list input[type="checkbox"] {
  width: 17px;
  height: 17px;
  cursor: pointer;
  accent-color: var(--accent);
}
.todo-list .t-text { flex: 1; word-break: break-all; }
.todo-list li.done .t-text { text-decoration: line-through; color: var(--text-sub); }
.todo-del {
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--text-sub);
  font-size: 14px;
  padding: 2px 6px;
  border-radius: 6px;
}
.todo-del:hover { color: var(--danger); background: rgba(0,0,0,0.05); }
.todo-add input {
  width: 100%;
  border: 1px dashed rgba(0,0,0,0.18);
  background: rgba(255,255,255,0.5);
  border-radius: 10px;
  padding: 9px 12px;
  font-size: 14px;
  outline: none;
  margin-top: 10px;
  color: var(--text);
}
.todo-add input:focus { border-color: var(--accent); }

/* 底部悬停热区 */
.hover-zone {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 56px;
  z-index: 9;
}

/* 底部工具栏 */
.toolbar {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  display: flex;
  gap: 8px;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(12px);
  border-radius: 40px;
  padding: 8px 12px;
  z-index: 10;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.toolbar.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.tool-btn {
  border: none;
  background: rgba(255,255,255,0.14);
  color: #fff;
  font-size: 13px;
  padding: 8px 14px;
  border-radius: 30px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
}
.tool-btn:hover { background: rgba(255,255,255,0.28); }

/* 弹窗 */
.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal {
  background: var(--card-bg-strong);
  color: var(--text);
  border-radius: 16px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  font-weight: 600;
}
.modal-close {
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 16px;
  color: var(--text-sub);
}
.modal-close:hover { color: var(--text); }
.modal-body { padding: 20px; }
.form-field { margin-bottom: 14px; }
.form-field label { display: block; font-size: 13px; color: var(--text-sub); margin-bottom: 6px; }
.form-field input {
  width: 100%;
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: 9px;
  padding: 10px 12px;
  font-size: 14px;
  outline: none;
  color: var(--text);
  background: #fff;
}
.form-field input:focus { border-color: var(--accent); }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 6px; }
.btn {
  border: none;
  border-radius: 9px;
  padding: 10px 18px;
  font-size: 14px;
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { opacity: 0.9; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-ghost { background: rgba(0,0,0,0.06); color: var(--text); }
.btn-ghost:hover { background: rgba(0,0,0,0.1); }

.hidden { display: none !important; }

/* ===== iTab 风格大弹窗 ===== */
.modal.large { max-width: 780px; }
.modal.large .modal-body { padding: 0; display: flex; }

.dlg-layout { display: flex; width: 100%; }

/* 左侧 tab 侧栏 */
.dlg-side {
  width: 150px;
  flex-shrink: 0;
  background: #f5f6f8;
  border-radius: 0 0 0 16px;
  padding: 20px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.side-item {
  padding: 10px 12px;
  border-radius: 9px;
  font-size: 14px;
  color: #555;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  border-left: 3px solid transparent;
  user-select: none;
}
.side-item:hover { background: rgba(0,0,0,0.05); }
.side-item.active {
  background: #fff;
  color: var(--accent);
  font-weight: 600;
  border-left-color: var(--accent);
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

/* 右侧主区 */
.dlg-main { flex: 1; padding: 20px 24px; overflow-y: auto; max-height: 72vh; }
.dlg-title h3 { font-size: 20px; font-weight: 700; color: #222; }
.dlg-title p { font-size: 12px; color: #999; margin: 4px 0 14px; }

.panel { background: #f7f8fa; border-radius: 12px; padding: 14px 16px; margin-bottom: 12px; }
.f-label { font-size: 13px; color: #666; margin-bottom: 6px; display: block; }
.f-label.mt { margin-top: 12px; }
.ipt {
  width: 100%;
  border: 1px solid #e3e5ea;
  background: #fff;
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 14px;
  outline: none;
  color: var(--text);
}
.ipt:focus { border-color: var(--accent); }
.ipt-row { display: flex; gap: 8px; }
.btn-fetch {
  border: 1px solid var(--accent);
  color: var(--accent);
  background: #fff;
  border-radius: 8px;
  padding: 0 14px;
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
}
.btn-fetch:hover { background: rgba(79,124,255,0.06); }
.btn-fetch[disabled] { opacity: 0.55; cursor: default; }
.btn-fetch[disabled]:hover { background: #fff; }

/* 图标方式卡片 */
.pick-cards { display: flex; gap: 16px; }
.pick-card { width: 76px; cursor: pointer; text-align: center; user-select: none; }
.pick-card .pc-box {
  width: 64px;
  height: 64px;
  margin: 0 auto;
  border-radius: 14px;
  background: #fff;
  border: 2px solid transparent;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  position: relative;
  overflow: hidden;
  color: #bbb;
}
.pick-card:hover .pc-box { border-color: rgba(79,124,255,0.35); }
.pick-card.active .pc-box { border-color: var(--accent); }
.pick-card.active .pc-box::after {
  content: '✓';
  position: absolute;
  right: 2px;
  bottom: 2px;
  width: 16px;
  height: 16px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pick-card .pc-name { font-size: 12px; color: #666; margin-top: 6px; }
.pick-card .pc-box img { width: 40px; height: 40px; object-fit: contain; }
.pc-box.pc-text { color: #fff; font-weight: 700; font-size: 26px; }

/* 颜色板 */
.color-dots { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.color-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.08);
}
.color-dot.active { box-shadow: 0 0 0 2px var(--accent); }

/* 底部按钮 */
.dlg-actions { display: flex; gap: 12px; margin-top: 16px; }
.btn-save {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 9px;
  padding: 10px 28px;
  font-size: 14px;
  cursor: pointer;
}
.btn-save:hover { opacity: 0.9; }
.btn-save-continue {
  background: rgba(79,124,255,0.08);
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 9px;
  padding: 10px 18px;
  font-size: 14px;
  cursor: pointer;
}
.btn-save-continue:hover { background: rgba(79,124,255,0.14); }

@media (max-width: 560px) {
  .time { font-size: 46px; }
  .app { padding: 36px 14px 90px; }
  .group-items { grid-template-columns: repeat(auto-fill, minmax(74px, 1fr)); }
  .nav-item .icon-wrap { width: 42px; height: 42px; }
}