/* ===================== Reset & Base ===================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg-deep: #0a0e1a;
  --bg-main: #0f1526;
  --bg-card: rgba(23, 31, 58, 0.72);
  --bg-card-solid: #171f3a;
  --bg-hover: rgba(102, 126, 234, 0.12);
  --border: rgba(120, 150, 255, 0.14);
  --border-strong: rgba(120, 150, 255, 0.28);
  --primary: #5b8cff;
  --primary-2: #8b5cf6;
  --primary-grad: linear-gradient(135deg, #5b8cff 0%, #8b5cf6 100%);
  --accent: #22d3ee;
  --accent-2: #34d399;
  --danger: #f43f5e;
  --warning: #fbbf24;
  --text-main: #e6ecff;
  --text-dim: #8a94b8;
  --text-faint: #5b6485;
  --glow: 0 0 24px rgba(91, 140, 255, 0.35);
  --radius: 14px;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg-main); color: var(--text-main); line-height: 1.6;
  min-height: 100vh; overflow-x: hidden;
}
body::before {
  content: ''; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(800px 400px at 85% -10%, rgba(91,140,255,0.16), transparent 60%),
    radial-gradient(700px 400px at -10% 110%, rgba(139,92,246,0.14), transparent 60%);
}
a { color: var(--primary); text-decoration: none; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: #2a3558; border-radius: 8px; }
::-webkit-scrollbar-track { background: transparent; }

.page { display: none; }
.page.active { display: flex; }

/* ===================== Login ===================== */
.login-container {
  width: 100vw; min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, #070b16 0%, #0d1330 55%, #131a3a 100%);
  position: relative; overflow: hidden;
}
.login-bg-grid {
  position: absolute; inset: 0; opacity: 0.5; pointer-events: none;
  background-image:
    linear-gradient(rgba(91,140,255,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91,140,255,0.07) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}
.login-card { width: 430px; padding: 44px 40px; position: relative; animation: floatIn 0.6s ease; }
@keyframes floatIn { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
.login-header { text-align: center; margin-bottom: 28px; }
.logo-mark {
  width: 56px; height: 56px; margin: 0 auto 14px; border-radius: 16px;
  background: var(--primary-grad); display: flex; align-items: center; justify-content: center;
  font-size: 26px; color: #fff; box-shadow: var(--glow);
}
.login-header h1 { font-size: 24px; letter-spacing: 1px; background: linear-gradient(90deg, #9db8ff, #c4b5fd); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.login-header p { color: var(--text-faint); font-size: 12px; letter-spacing: 2px; margin-top: 6px; }
.login-footer { text-align: center; margin-top: 18px; color: var(--text-faint); font-size: 12px; }

/* ===================== Glass ===================== */
.glass {
  background: var(--bg-card); border: 1px solid var(--border);
  backdrop-filter: blur(18px); border-radius: var(--radius);
}
.glass-modal {
  background: #141b36; border: 1px solid var(--border-strong);
  backdrop-filter: blur(20px); border-radius: 16px;
}

/* ===================== Forms ===================== */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 500; font-size: 13px; color: var(--text-dim); }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 10px 14px; border: 1px solid var(--border-strong); border-radius: 10px;
  font-size: 14px; transition: all 0.3s; background: rgba(10, 14, 26, 0.6); color: var(--text-main);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-faint); }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary); outline: none; box-shadow: 0 0 0 3px rgba(91,140,255,0.18);
}
.form-select option { background: #141b36; }
.form-textarea { resize: vertical; min-height: 70px; }
.checkbox-label { display: flex; align-items: center; gap: 8px; cursor: pointer; font-weight: 400; color: var(--text-main); }
.checkbox-label input { width: 17px; height: 17px; accent-color: var(--primary); }
hr.divider { border: none; border-top: 1px solid var(--border); margin: 16px 0; }

.error-msg {
  background: rgba(244,63,94,0.12); border: 1px solid rgba(244,63,94,0.4);
  color: #fda4af; padding: 8px 12px; border-radius: 8px; font-size: 13px; margin-bottom: 12px;
}

/* ===================== Buttons ===================== */
.btn {
  padding: 9px 18px; border: 1px solid transparent; border-radius: 10px; font-size: 13px; font-weight: 500;
  cursor: pointer; transition: all 0.25s; display: inline-flex; align-items: center; gap: 6px; color: var(--text-main);
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--primary-grad); color: #fff; box-shadow: 0 4px 16px rgba(91,140,255,0.25); }
.btn-primary:hover { filter: brightness(1.12); box-shadow: 0 6px 22px rgba(91,140,255,0.4); }
.btn-glow { box-shadow: 0 6px 26px rgba(91,140,255,0.45); }
.btn-danger { background: linear-gradient(135deg, #f43f5e, #e11d48); color: #fff; }
.btn-danger:hover { filter: brightness(1.12); }
.btn-warning { background: linear-gradient(135deg, #f59e0b, #d97706); color: #fff; }
.btn-warning:hover { filter: brightness(1.1); }
.btn-outline { background: transparent; border-color: var(--border-strong); color: var(--text-dim); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--bg-hover); }
.btn-danger-outline { background: transparent; border-color: rgba(244,63,94,0.5); color: #fda4af; }
.btn-danger-outline:hover { background: rgba(244,63,94,0.12); border-color: var(--danger); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text-dim); }
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-main); }
.btn-sm { padding: 5px 12px; font-size: 12px; border-radius: 8px; }
.btn-block { width: 100%; justify-content: center; }
.btn-group { display: flex; gap: 6px; flex-wrap: wrap; }

/* ===================== Sidebar ===================== */
.sidebar {
  width: 250px; min-width: 250px; background: rgba(9, 13, 26, 0.92);
  border-right: 1px solid var(--border); display: flex; flex-direction: column;
  height: 100vh; position: sticky; top: 0; z-index: 50; overflow-y: auto;
}
.sidebar-header {
  padding: 18px 20px; display: flex; align-items: center; gap: 12px;
  border-bottom: 1px solid var(--border);
}
.sidebar-header .logo-mark { width: 36px; height: 36px; margin: 0; border-radius: 10px; font-size: 18px; }
.logo-text { font-size: 17px; font-weight: 700; letter-spacing: 1px; background: linear-gradient(90deg, #9db8ff, #c4b5fd); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.sidebar-user {
  padding: 14px 20px; display: flex; align-items: center; gap: 12px; border-bottom: 1px solid var(--border);
}
.user-avatar {
  width: 40px; height: 40px; border-radius: 12px; background: var(--primary-grad);
  display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 16px;
  box-shadow: var(--glow); flex-shrink: 0;
}
.user-info { display: flex; flex-direction: column; min-width: 0; }
.user-info span:first-child { color: var(--text-main); font-size: 14px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.badge-role {
  font-size: 10px; padding: 2px 8px; border-radius: 8px; width: fit-content; margin-top: 3px;
  background: rgba(91,140,255,0.15); color: #93b4ff; border: 1px solid rgba(91,140,255,0.25);
  letter-spacing: 1px;
}
.sidebar-search { padding: 12px 16px; }
.sidebar-search input {
  width: 100%; padding: 8px 12px; border-radius: 10px; font-size: 12px;
  background: rgba(10,14,26,0.6); border: 1px solid var(--border); color: var(--text-main);
}
.sidebar-search input:focus { border-color: var(--primary); outline: none; }
.sidebar-search input::placeholder { color: var(--text-faint); }

.nav-menu { list-style: none; flex: 1; padding: 8px 0 16px; }
.nav-item, .nav-group-header {
  padding: 11px 20px; cursor: pointer; display: flex; align-items: center; gap: 10px;
  font-size: 14px; transition: all 0.2s; border-left: 3px solid transparent; position: relative;
  color: var(--text-dim); user-select: none;
}
.nav-item:hover, .nav-group-header:hover { background: var(--bg-hover); color: var(--text-main); }
.nav-item.active {
  background: linear-gradient(90deg, rgba(91,140,255,0.18), transparent);
  color: #fff; border-left-color: var(--primary);
}
.nav-group-header { justify-content: flex-start; }
.nav-group-header.open { color: #fff; background: var(--bg-hover); }
.nav-arrow { margin-left: auto; font-size: 10px; transition: transform 0.25s; opacity: 0.7; }
.nav-group-header.open .nav-arrow { transform: rotate(180deg); }
.nav-submenu { display: none; list-style: none; padding: 0 0 6px; }
.nav-submenu.open { display: block; animation: submenuIn 0.2s ease; }
@keyframes submenuIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
.nav-item.sub { padding: 9px 20px 9px 52px; font-size: 13px; }
.nav-item.sub:hover { background: rgba(91,140,255,0.08); }
.nav-item.sub.active { background: rgba(91,140,255,0.15); color: #fff; }
.nav-sub-icon { width: 18px; text-align: center; font-size: 13px; display: inline-flex; align-items: center; justify-content: center; }
.nav-icon { font-size: 16px; width: 22px; text-align: center; flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center; }
/* 用一条短线替代原本的图标 */
.nav-icon::before, .nav-sub-icon::before {
  content: ""; display: block; width: 12px; height: 2px; border-radius: 2px;
  background: currentColor; opacity: 0.6;
}
/* 文件管理 / 在线文档 / 系统管理：选中(展开)时字体保持深蓝黑 */
.nav-group-header[data-toggle="files"],
.nav-group-header[data-toggle="docs"],
.nav-group-header[data-toggle="admin"],
.nav-group-header[data-toggle="files"].open,
.nav-group-header[data-toggle="docs"].open,
.nav-group-header[data-toggle="admin"].open {
  color: var(--text-main) !important;
}
.badge-count {
  position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  background: linear-gradient(135deg, #f43f5e, #e11d48); color: #fff; font-size: 10px;
  min-width: 18px; height: 18px; border-radius: 9px; display: flex; align-items: center;
  justify-content: center; padding: 0 5px; box-shadow: 0 0 12px rgba(244,63,94,0.5);
}
.sidebar-footer { padding: 14px 16px; border-top: 1px solid var(--border); }

/* ===================== Main ===================== */
.main-content { flex: 1; overflow-y: auto; min-width: 0; }
.topbar {
  padding: 16px 28px; display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--border); background: rgba(15,21,38,0.75);
  backdrop-filter: blur(12px); position: sticky; top: 0; z-index: 40;
}
.topbar h2 { font-size: 19px; letter-spacing: 0.5px; background: linear-gradient(90deg, #fff, #a5b8f8); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.current-time { color: var(--text-faint); font-size: 12px; font-variant-numeric: tabular-nums; }

.content-page { display: none; padding: 24px 28px; }
.content-page.active { display: block; animation: pageIn 0.3s ease; }
@keyframes pageIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ===================== Stats ===================== */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; margin-bottom: 22px; }
.stat-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; display: flex; align-items: center; gap: 16px;
  backdrop-filter: blur(14px); transition: all 0.3s; position: relative; overflow: hidden;
}
.stat-card::after {
  content: ''; position: absolute; top: -40%; right: -20%; width: 120px; height: 120px;
  background: radial-gradient(circle, rgba(91,140,255,0.14), transparent 70%); pointer-events: none;
}
.stat-card:hover { transform: translateY(-3px); border-color: var(--border-strong); box-shadow: 0 10px 30px rgba(0,0,0,0.35); }
.stat-icon { font-size: 34px; filter: drop-shadow(0 0 10px rgba(91,140,255,0.4)); }
.stat-info h4 { font-size: 28px; font-weight: 700; background: linear-gradient(90deg, #fff, #93b4ff); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.stat-info p { color: var(--text-dim); font-size: 12px; margin-top: 2px; }

/* ===================== Panels ===================== */
.panel {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  margin-bottom: 22px; overflow: hidden; backdrop-filter: blur(14px);
}
.panel-header {
  padding: 14px 20px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.panel-header h3 { font-size: 15px; color: var(--text-main); font-weight: 600; }
.panel-body { padding: 20px; }

/* ===================== Toolbar ===================== */
.toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; flex-wrap: wrap; gap: 12px; }
.toolbar-left, .toolbar-right { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.filter-select, .search-input {
  padding: 8px 14px; border: 1px solid var(--border-strong); border-radius: 10px;
  font-size: 13px; background: rgba(10,14,26,0.6); color: var(--text-main);
}
.filter-select option { background: #141b36; }
.search-input { min-width: 190px; }
.search-input:focus, .filter-select:focus { border-color: var(--primary); outline: none; }
.search-input::placeholder { color: var(--text-faint); }
.toolbar-title { font-size: 15px; font-weight: 500; }
.scope-tag {
  padding: 5px 12px; border-radius: 8px; font-size: 12px;
  background: rgba(34,211,238,0.1); border: 1px solid rgba(34,211,238,0.3); color: #67e8f9;
}
.table-toolbar {
  display: flex; align-items: center; gap: 12px; padding: 10px 16px; margin-bottom: 12px;
  background: rgba(91,140,255,0.1); border: 1px solid rgba(91,140,255,0.3); border-radius: 10px; font-size: 13px;
}

/* ===================== Table ===================== */
.table-container { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
  padding: 13px 14px; text-align: left; font-weight: 500; font-size: 12px; color: var(--text-dim);
  border-bottom: 1px solid var(--border); background: rgba(23,31,58,0.5); white-space: nowrap;
}
.data-table td {
  padding: 13px 14px; border-bottom: 1px solid rgba(120,150,255,0.08); font-size: 13px; color: var(--text-main);
}
.data-table tr { transition: background 0.15s; }
.data-table tr:hover { background: var(--bg-hover); }
.data-table tr.selected { background: rgba(91,140,255,0.12); }
.col-check { width: 36px; }
.col-check input, .check-list input { accent-color: var(--primary); width: 16px; height: 16px; cursor: pointer; }
.file-type-badge {
  display: inline-block; padding: 3px 10px; border-radius: 6px; font-size: 11px; font-weight: 600; letter-spacing: 0.5px;
}
.file-type-badge.word { background: rgba(34,211,238,0.12); color: #67e8f9; border: 1px solid rgba(34,211,238,0.3); }
.file-type-badge.excel { background: rgba(52,211,153,0.12); color: #6ee7b7; border: 1px solid rgba(52,211,153,0.3); }
.file-type-badge.pptx { background: rgba(251,191,36,0.12); color: #fcd34d; border: 1px solid rgba(251,191,36,0.3); }
.file-type-badge.mp4, .file-type-badge.video { background: rgba(139,92,246,0.15); color: #c4b5fd; border: 1px solid rgba(139,92,246,0.35); }
.file-type-badge.pdf { background: rgba(244,63,94,0.12); color: #fda4af; border: 1px solid rgba(244,63,94,0.3); }
.deadline-overdue { color: #fda4af; font-weight: 600; }
.deadline-near { color: #fcd34d; font-weight: 600; }
.deadline-ok { color: #6ee7b7; }
.viewer-chips { display: flex; flex-wrap: wrap; gap: 4px; max-width: 200px; }
.viewer-chip {
  font-size: 10px; padding: 2px 8px; border-radius: 10px; background: rgba(91,140,255,0.14);
  border: 1px solid rgba(91,140,255,0.25); color: #93b4ff; white-space: nowrap;
}
.empty-state { text-align: center; padding: 44px; color: var(--text-faint); font-size: 13px; }

/* ===================== Modal ===================== */
.modal {
  position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; z-index: 1000;
  display: flex; align-items: center; justify-content: center;
}
.modal-backdrop { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(4,6,12,0.7); backdrop-filter: blur(4px); }
.modal-content {
  width: 540px; max-height: 82vh; overflow-y: auto; position: relative; z-index: 1;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6), var(--glow); animation: modalIn 0.25s ease;
}
@keyframes modalIn { from { opacity: 0; transform: scale(0.96) translateY(10px); } to { opacity: 1; transform: none; } }
.modal-header {
  padding: 18px 24px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.modal-header h3 { font-size: 16px; color: var(--text-main); }
.modal-close { background: none; border: none; font-size: 24px; color: var(--text-dim); cursor: pointer; padding: 0 4px; line-height: 1; }
.modal-close:hover { color: #fff; }
.modal-body { padding: 22px 24px; }

/* ===================== User Picker (multi-select) ===================== */
.user-picker, .check-list {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 8px;
  max-height: 180px; overflow-y: auto; padding: 10px; border: 1px solid var(--border);
  border-radius: 10px; background: rgba(10,14,26,0.4);
}
.user-picker-item {
  display: flex; align-items: center; gap: 8px; padding: 7px 10px; border-radius: 8px;
  border: 1px solid var(--border); cursor: pointer; font-size: 12px; transition: all 0.2s;
  color: var(--text-dim); background: rgba(23,31,58,0.5);
}
.user-picker-item:hover { border-color: var(--primary); }
.user-picker-item.selected {
  border-color: var(--primary); background: rgba(91,140,255,0.16); color: #93b4ff;
}
.user-picker-item input { accent-color: var(--primary); }
.user-picker-empty, .check-list-empty { color: var(--text-faint); font-size: 12px; padding: 8px; text-align: center; }
.check-list { grid-template-columns: 1fr; max-height: 240px; }
.check-list label {
  display: flex; align-items: center; gap: 8px; padding: 7px 10px; border-radius: 8px;
  cursor: pointer; font-size: 13px; border: 1px solid transparent; transition: background 0.15s;
}
.check-list label:hover { background: var(--bg-hover); }

/* ===================== File Upload ===================== */
.file-upload-area { position: relative; }
.file-upload-area input[type="file"] {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; z-index: 2;
}
.file-upload-hint {
  border: 1.5px dashed var(--border-strong); border-radius: 12px; padding: 26px; text-align: center;
  transition: all 0.3s; display: flex; flex-direction: column; align-items: center; gap: 6px;
  background: rgba(23,31,58,0.4);
}
.file-upload-area:hover .file-upload-hint { border-color: var(--primary); box-shadow: inset 0 0 30px rgba(91,140,255,0.08); }
.upload-icon { font-size: 34px; filter: drop-shadow(0 0 8px rgba(91,140,255,0.5)); }
.upload-sub { font-size: 11px; color: var(--text-faint); }

/* ===================== Charts ===================== */
.chart-bars { display: flex; align-items: flex-end; gap: 22px; padding: 16px 0 4px; min-height: 180px; }
.chart-bar-group { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.chart-bar {
  width: 44px; border-radius: 8px 8px 0 0; min-height: 4px;
  background: linear-gradient(180deg, #5b8cff, #8b5cf6); box-shadow: 0 0 14px rgba(91,140,255,0.35);
  transition: height 0.5s ease;
}
.chart-bar-label { font-size: 12px; color: var(--text-dim); }
.chart-bar-count { font-size: 15px; font-weight: 700; color: var(--text-main); }
.charts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 4px; }
@media (max-width: 1100px) { .charts-grid { grid-template-columns: 1fr; } }

/* ===================== Cards (docs) ===================== */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; }

/* ===================== Doc List (我的文档 / 我接收的文档) ===================== */
.doc-list {
  display: flex; flex-direction: column; border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; background: var(--bg-card);
}
.doc-row {
  display: grid;
  grid-template-columns: 44px minmax(120px, 1.2fr) minmax(120px, 1.6fr) 70px 90px 120px 80px 130px;
  align-items: center; gap: 10px; padding: 11px 16px; cursor: pointer;
  border-bottom: 1px solid var(--border); transition: background 0.15s;
}
.doc-row:last-child { border-bottom: none; }
.doc-row:not(.doc-row-head):hover { background: var(--bg-hover); }
.doc-row-head {
  cursor: default; background: #f1f5f9; font-size: 12px; font-weight: 600;
  color: var(--text-dim); border-bottom: 1px solid var(--border-strong);
}
.doc-idx { color: var(--text-faint); font-variant-numeric: tabular-nums; text-align: center; }
.doc-row-head .doc-idx { color: var(--text-dim); }
.doc-col-title { font-size: 14px; font-weight: 600; color: var(--text-main); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.doc-col-preview { font-size: 12px; color: var(--text-dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.doc-col-type, .doc-col-owner, .doc-col-time, .doc-col-viewers { font-size: 12px; color: var(--text-faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.doc-type-badge {
  display: inline-block; padding: 2px 8px; border-radius: 6px; font-size: 11px; font-weight: 600;
  background: #dbeafe; color: var(--primary);
}
.doc-col-actions { display: flex; gap: 6px; justify-content: flex-end; }
.doc-readonly { font-size: 11px; color: var(--text-faint); }

/* ===================== Doc Tabs (我的文档 / 我接收的文档) ===================== */
.doc-tabs { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.doc-tab { padding: 8px 16px; border: 1px solid var(--border); background: var(--bg-card); color: var(--text-dim); border-radius: 8px; cursor: pointer; font-size: 13px; font-weight: 500; transition: all .15s ease; }
.doc-tab:hover { border-color: var(--primary); color: var(--text-main); }
.doc-tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ===================== Document Editor ===================== */
.doc-editor-wrap { max-width: 860px; margin: 0 auto; }
.doc-editor-header {
  display: flex; align-items: center; gap: 12px; margin-bottom: 18px; flex-wrap: wrap;
  padding: 16px 20px; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); backdrop-filter: blur(14px); position: sticky; top: 66px; z-index: 30;
}
.doc-title-input {
  flex: 1; min-width: 180px; background: transparent; border: none; font-size: 22px;
  font-weight: 700; color: var(--text-main); outline: none; padding: 4px 0;
}
.doc-title-input::placeholder { color: var(--text-faint); }
.doc-editor-actions { display: flex; align-items: center; gap: 8px; }
.save-state { font-size: 11px; color: var(--text-faint); }
.save-state.saving { color: var(--warning); }
.save-state.saved { color: var(--accent-2); }
.doc-editor-tip {
  padding: 10px 16px; margin-bottom: 14px; font-size: 12px; color: var(--text-dim);
  background: rgba(34,211,238,0.06); border: 1px solid rgba(34,211,238,0.18); border-radius: 10px;
}
.doc-editor {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 30px; min-height: 62vh; outline: none; backdrop-filter: blur(14px);
}
.doc-editor .block { margin: 0; padding: 5px 8px; border-radius: 8px; position: relative; min-height: 28px; }
.doc-editor .block:hover { background: rgba(120,150,255,0.06); }
.doc-editor .block .block-marker { position: absolute; left: -14px; top: 8px; font-size: 11px; opacity: 0; transition: opacity 0.15s; color: var(--text-faint); }
.doc-editor .block:hover .block-marker { opacity: 1; }
.doc-editor .block .block-remove { position: absolute; right: -26px; top: 4px; opacity: 1; font-size: 13px; color: #94a3b8; cursor: pointer; border-radius: 4px; padding: 1px 3px; transition: color .12s, background .12s; z-index: 3; }
.doc-editor .block:hover .block-remove, .doc-editor .block .block-remove:hover { color: #ef4444; background: #fee2e2; }
/* 缩略框内部的子模块：删除按钮置于框内右上角，避免被-collapse的 overflow:hidden 裁剪 */
.doc-editor .block.mini { padding-right: 24px; }
.doc-editor .block.mini .block-remove { right: 2px; top: 2px; }
.doc-editor .block.placeholder { color: var(--text-faint); }
.doc-editor .block.highlight {
  background: rgba(34,211,238,0.13); border: 1px solid rgba(34,211,238,0.3);
  padding: 12px 16px; border-radius: 10px; margin: 6px 0;
}
.doc-editor .block.highlight::before { content: '👉'; margin-right: 8px; font-size: 14px; }
.doc-editor .block.meeting {
  display: flex; align-items: center; gap: 10px; background: rgba(251,191,36,0.08);
  border-left: 3px solid var(--warning); padding: 9px 14px; border-radius: 8px; margin: 6px 0;
}
.meeting-time {
  font-size: 12px; font-weight: 700; color: #fcd34d; background: rgba(251,191,36,0.14);
  padding: 2px 10px; border-radius: 6px; white-space: nowrap;
}
.doc-editor .block.todo { display: flex; align-items: flex-start; gap: 10px; }
.todo-num {
  font-size: 12px; font-weight: 700; color: var(--accent); min-width: 22px;
  background: rgba(34,211,238,0.1); border: 1px solid rgba(34,211,238,0.25);
  border-radius: 6px; text-align: center; padding: 1px 0; flex-shrink: 0;
}
.todo-check { cursor: pointer; accent-color: var(--accent-2); width: 16px; height: 16px; margin-top: 3px; flex-shrink: 0; }
.todo-text.done { text-decoration: line-through; color: var(--text-faint); }
.doc-editor .block.collapse { border: 1px solid var(--border-strong); border-radius: 10px; margin: 8px 0; overflow: hidden; background: rgba(23,31,58,0.5); }
.collapse-header {
  display: flex; align-items: center; gap: 8px; padding: 10px 14px; cursor: pointer; font-weight: 600;
  font-size: 14px; color: var(--text-main); user-select: none; background: rgba(120,150,255,0.06);
}
.collapse-header .collapse-arrow { transition: transform 0.2s; font-size: 10px; }
.collapse-header.collapsed .collapse-arrow { transform: rotate(-90deg); }
.collapse-body { padding: 12px 16px; }
.collapse-body:empty::before { content: '（空内容）'; color: var(--text-faint); font-size: 12px; }
.doc-editor .mention-chip {
  display: inline-flex; align-items: center; gap: 4px; background: rgba(139,92,246,0.18);
  border: 1px solid rgba(139,92,246,0.4); color: #c4b5fd; padding: 1px 10px; border-radius: 12px;
  font-size: 12px; margin: 0 2px; cursor: pointer; white-space: nowrap;
}
.doc-editor .block img.doc-image { max-width: 100%; border-radius: 8px; margin: 6px 0; display: block; }
.doc-editor .doc-editor-empty { color: var(--text-faint); font-size: 14px; padding: 8px; }

/* ===================== Command / Mention Palettes ===================== */
.cmd-palette, .mention-palette {
  position: fixed; z-index: 1200; width: 320px; max-height: 320px; overflow-y: auto;
  background: #141b36; border: 1px solid var(--border-strong); border-radius: 12px;
  box-shadow: 0 18px 60px rgba(0,0,0,0.55), var(--glow); animation: modalIn 0.15s ease; padding: 6px;
}
.cmd-item, .mention-item {
  padding: 9px 12px; border-radius: 8px; cursor: pointer; font-size: 13px;
  display: flex; align-items: center; gap: 10px; color: var(--text-dim); transition: all 0.12s;
}
.cmd-item:hover, .cmd-item.active, .mention-item:hover, .mention-item.active { background: var(--bg-hover); color: #fff; }
.cmd-item .cmd-icon { font-size: 17px; }
.cmd-item .cmd-name { font-weight: 600; color: var(--text-main); }
.cmd-item .cmd-desc { font-size: 11px; color: var(--text-faint); display: block; }
.mention-item .mention-avatar {
  width: 26px; height: 26px; border-radius: 8px; background: var(--primary-grad);
  display: flex; align-items: center; justify-content: center; font-size: 12px; color: #fff; flex-shrink: 0;
}
.mention-item .mention-name { color: var(--text-main); font-weight: 500; }
.mention-item .mention-user { font-size: 11px; color: var(--text-faint); }

/* ===================== Toast ===================== */
.toast {
  position: fixed; top: 22px; right: 22px; z-index: 2000; padding: 12px 22px; border-radius: 10px;
  color: #fff; font-size: 13px; box-shadow: 0 10px 40px rgba(0,0,0,0.5); animation: slideIn 0.3s ease;
  max-width: 380px; backdrop-filter: blur(10px);
}
.toast.success { background: linear-gradient(135deg, rgba(52,211,153,0.9), rgba(16,185,129,0.9)); }
.toast.error { background: linear-gradient(135deg, rgba(244,63,94,0.9), rgba(225,29,72,0.9)); }
.toast.info { background: linear-gradient(135deg, rgba(91,140,255,0.9), rgba(139,92,246,0.9)); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: none; opacity: 1; } }

/* ===================== Responsive ===================== */
@media (max-width: 900px) {
  .sidebar { width: 62px; min-width: 62px; }
  .sidebar .logo-text, .sidebar-user .user-info, .nav-text, .nav-arrow, .sidebar-search { display: none; }
  .nav-item, .nav-group-header { justify-content: center; padding: 13px 0; }
  .nav-item.sub { display: none; }
  .content-page { padding: 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .modal-content { width: 92vw; }
}

/* ============================================================
   White Theme Overrides (白底 / 深蓝主色 / 浅蓝重点)
   ============================================================ */
:root {
  --bg-deep: #f1f5f9;
  --bg-main: #ffffff;
  --bg-card: #ffffff;
  --bg-card-solid: #ffffff;
  --bg-hover: #eff6ff;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --primary: #1d4ed8;
  --primary-2: #2563eb;
  --primary-grad: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
  --accent: #2563eb;
  --accent-2: #1d4ed8;
  --danger: #dc2626;
  --warning: #d97706;
  --text-main: #1e3a8a;
  --text-dim: #475569;
  --text-faint: #94a3b8;
  --glow: 0 6px 22px rgba(29,78,216,0.18);
}

body { background: #f4f7fb; color: var(--text-main); }
body::before {
  background:
    radial-gradient(800px 400px at 85% -10%, rgba(37,99,235,0.08), transparent 60%),
    radial-gradient(700px 400px at -10% 110%, rgba(29,78,216,0.06), transparent 60%);
}
.login-container { background: linear-gradient(160deg, #eef4ff 0%, #f8faff 55%, #e7efff 100%); }
.glass { background: #ffffff; }
.glass-modal { background: #ffffff; border-color: var(--border-strong); }
.form-input, .form-select, .form-textarea {
  background: #ffffff; color: var(--text-main); border-color: var(--border-strong);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-faint); }
.form-select option { background: #ffffff; color: var(--text-main); }
.sidebar { background: #ffffff; border-right: 1px solid var(--border); }
.sidebar-search input { background: #f1f5f9; color: var(--text-main); border-color: var(--border); }
.topbar { background: #ffffff; border-bottom: 1px solid var(--border); }
.topbar h2 { background: none; -webkit-text-fill-color: var(--text-main); color: var(--text-main); }
.nav-item, .nav-group-header { color: var(--text-dim); }
.nav-item.active { background: linear-gradient(90deg, rgba(37,99,235,0.14), transparent); color: var(--primary); border-left-color: var(--primary); }
.nav-item.sub.active { background: rgba(37,99,235,0.12); color: var(--primary); }
.logo-text { background: none; -webkit-text-fill-color: var(--primary); color: var(--primary); }
.login-header h1 { background: none; -webkit-text-fill-color: var(--text-main); color: var(--text-main); }
.btn-outline { border-color: var(--border-strong); color: var(--text-dim); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--bg-hover); }
.btn-ghost { border-color: var(--border); color: var(--text-dim); }
.btn-primary { background: var(--primary-grad); }
.login-footer { color: var(--text-faint); }
.error-msg { background: rgba(220,38,38,0.08); border-color: rgba(220,38,38,0.35); color: #b91c1c; }
.data-table th { background: #f1f5f9; color: var(--text-dim); }
.data-table td { color: var(--text-main); border-bottom: 1px solid #eef2f7; }
.data-table tr:hover { background: var(--bg-hover); }
.filter-select, .search-input { background: #ffffff; color: var(--text-main); border-color: var(--border-strong); }
.scope-tag { background: rgba(37,99,235,0.1); border-color: rgba(37,99,235,0.25); color: var(--primary); }
.table-toolbar { background: rgba(37,99,235,0.08); border-color: rgba(37,99,235,0.25); }
.modal-backdrop { background: rgba(15,23,42,0.35); }
.modal-header h3 { color: var(--text-main); }
.user-picker, .check-list { background: #f8fafc; border-color: var(--border); }
.user-picker-item { background: #ffffff; border-color: var(--border); color: var(--text-dim); }
.user-picker-item.selected { border-color: var(--primary); background: rgba(37,99,235,0.1); color: var(--primary); }
.panel { background: #ffffff; }
.stat-card { background: #ffffff; }
.doc-list, .doc-row-head { background: #ffffff; }
.doc-row:not(.doc-row-head):hover { background: #eff6ff; }
.file-upload-hint { background: #f8fafc; }
.cmd-palette, .mention-palette { background: #ffffff; border-color: var(--border-strong); }
.cmd-item, .mention-item { color: var(--text-dim); }
.cmd-item:hover, .cmd-item.active, .mention-item:hover, .mention-item.active { background: var(--bg-hover); color: var(--primary); }
.cmd-item .cmd-name, .mention-item .mention-name { color: var(--text-main); }
.doc-editor .block.collapse { background: #f8fafc; }
.collapse-header { background: rgba(37,99,235,0.06); color: var(--text-main); }
.chart-bar { background: linear-gradient(180deg, #2563eb, #1e3a8a); }
/* 重点模块：浅蓝底文本框 */
.doc-editor .block.highlight {
  background: #dbeafe; border: 1px solid #bfdbfe; color: var(--text-main);
}
.doc-editor .block.highlight::before { color: var(--primary); }

/* WORD 编辑器去黑框：去掉容器外框 + 去掉编辑框原生黑色焦点框 */
.doc-editor { border: none; box-shadow: none; background: #ffffff; }
.doc-editor [contenteditable],
.doc-editor [contenteditable]:focus,
.doc-editor [contenteditable]:focus-visible,
.doc-editor .block { outline: none !important; }

/* ===== EXCEL 工具栏 ===== */
.excel-toolbar {
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
  margin: 0 0 10px; padding: 8px 10px;
  background: #f8fafc; border: 1px solid var(--border); border-radius: 10px;
}
.excel-toolbar .btn { min-width: 32px; font-size: 12px; }
.excel-toolbar .btn b { font-weight: 800; }
.excel-toolbar .btn i { font-style: italic; font-family: serif; }
.excel-toolbar .btn u { text-decoration: underline; }
.excel-toolbar-sep { width: 1px; height: 18px; background: var(--border-strong); margin: 0 3px; }
.excel-fill-group { display: flex; align-items: center; gap: 5px; font-size: 12px; color: var(--text-dim); }
.excel-swatch {
  width: 20px; height: 20px; border-radius: 6px; border: 1px solid var(--border-strong);
  cursor: pointer; padding: 0; transition: transform 0.1s;
}
.excel-swatch:hover { transform: scale(1.12); }
.excel-swatch-none { background: #fff; color: var(--danger); font-size: 12px; line-height: 18px; }
.excel-addrow, .excel-delrow, .excel-delcol { cursor: pointer; }
.excel-delrow, .excel-delcol {
  margin-left: 4px; font-size: 10px; color: var(--danger); opacity: 0.55;
  border: none; background: none; padding: 0 2px;
}
.excel-delrow:hover, .excel-delcol:hover { opacity: 1; }

/* ===== WORD 富文本工具栏（与 EXCEL 工具栏视觉一致） ===== */
.word-toolbar {
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
  margin: 0 0 10px; padding: 8px 10px;
  background: #f8fafc; border: 1px solid var(--border); border-radius: 10px;
}
.word-toolbar .btn { min-width: 32px; font-size: 12px; }
.word-toolbar .btn b { font-weight: 800; }
.word-toolbar .btn i { font-style: italic; font-family: serif; }
.word-toolbar .btn u { text-decoration: underline; }
.word-toolbar .btn s { text-decoration: line-through; }
.word-fontsize {
  height: 28px; border: 1px solid var(--border-strong); border-radius: 6px;
  background: #fff; font-size: 12px; padding: 0 4px; cursor: pointer; color: var(--text-main);
}
.word-color-group { display: flex; align-items: center; gap: 4px; font-size: 12px; color: var(--text-dim); }
.word-color {
  width: 24px; height: 24px; border: 1px solid var(--border-strong); border-radius: 6px;
  background: none; padding: 0; cursor: pointer;
}

/* ===== EXCEL 编辑器 ===== */
.excel-wrap { overflow-x: auto; padding: 4px; }
.excel-table { border-collapse: collapse; width: 100%; background: #fff; }
.excel-table th {
  background: #eff6ff; color: var(--primary); border: 1px solid #e2e8f0;
  padding: 6px 12px; font-size: 12px; font-weight: 600; min-width: 78px; text-align: center;
}
.excel-table td.excel-cell {
  border: 1px solid #e2e8f0; padding: 7px 12px; min-width: 78px; height: 30px;
  font-size: 13px; color: var(--text-main); outline: none; vertical-align: middle;
}
.excel-table td.excel-cell:focus {
  background: #eff6ff; box-shadow: inset 0 0 0 2px var(--primary);
}
.excel-table td.excel-cell.active {
  box-shadow: inset 0 0 0 2px var(--primary);
}
.excel-corner { background: #dbeafe; width: 34px; }
.excel-rownum { background: #eff6ff; color: var(--primary); width: 34px; text-align: center; font-size: 12px; }
.excel-addcol { width: 34px; }
.excel-addcol .btn, .excel-rownum .btn { margin: 0 auto; display: block; }
.btn-xs { padding: 2px 7px; font-size: 11px; border-radius: 6px; }

/* ===== 新建文档类型选择 ===== */
.modal-hint { color: var(--text-dim); font-size: 13px; margin-bottom: 16px; }
.doc-type-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.doc-type-card {
  border: 1px solid var(--border-strong); border-radius: 12px; padding: 18px 14px; cursor: pointer;
  text-align: center; transition: all 0.2s; background: #f8fafc;
}
.doc-type-card:hover { border-color: var(--primary); background: #eff6ff; transform: translateY(-2px); }
.doc-type-icon { font-size: 34px; margin-bottom: 8px; }
.doc-type-card h4 { font-size: 15px; color: var(--text-main); margin-bottom: 6px; }
.doc-type-card p { font-size: 11px; color: var(--text-dim); line-height: 1.5; }
.batch-result { color: var(--primary); font-size: 13px; min-height: 18px; margin-bottom: 12px; }

/* ===== 工作台：可点击的待办统计卡 ===== */
.stat-clickable { cursor: pointer; transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s; }
.stat-clickable:hover { transform: translateY(-3px); border-color: var(--primary); box-shadow: 0 10px 30px rgba(29,78,216,0.15); }
.stat-group-title { grid-column: 1 / -1; font-weight: 600; color: var(--text-main); font-size: 14px; margin: 2px 0 2px; padding-left: 2px; }
/* 超时未闭环卡片：高亮告警 */
.stat-alert { border-color: #ef4444 !important; box-shadow: 0 0 0 3px rgba(239,68,68,0.18), 0 10px 30px rgba(239,68,68,0.25) !important; animation: alertPulse 1.6s ease-in-out infinite; }
.stat-alert .stat-info h4 { background: linear-gradient(90deg, #fecaca, #f87171) !important; -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.stat-alert .stat-icon { filter: drop-shadow(0 0 10px rgba(239,68,68,0.6)); }
@keyframes alertPulse { 0%,100% { box-shadow: 0 0 0 3px rgba(239,68,68,0.18), 0 10px 30px rgba(239,68,68,0.25); } 50% { box-shadow: 0 0 0 6px rgba(239,68,68,0.10), 0 10px 30px rgba(239,68,68,0.35); } }

/* 工作台顶部：超时未闭环 醒目提醒横幅 */
.overdue-banner {
  display: flex; align-items: center; gap: 14px; margin-bottom: 18px;
  padding: 16px 20px; border-radius: var(--radius);
  background: linear-gradient(100deg, rgba(239,68,68,0.18), rgba(239,68,68,0.06));
  border: 1px solid rgba(239,68,68,0.5);
  box-shadow: 0 8px 26px rgba(239,68,68,0.18);
  animation: alertPulse 1.8s ease-in-out infinite;
}
.overdue-banner .ob-icon { font-size: 30px; filter: drop-shadow(0 0 8px rgba(239,68,68,0.6)); }
.overdue-banner .ob-text { flex: 1; color: var(--text-main); font-size: 14px; line-height: 1.6; }
.overdue-banner .ob-text b { color: #fca5a5; }
.overdue-banner .ob-actions { display: flex; gap: 10px; }
.overdue-banner .ob-btn {
  border: 1px solid rgba(239,68,68,0.55); background: rgba(239,68,68,0.14);
  color: #fecaca; padding: 8px 14px; border-radius: 10px; cursor: pointer; font-size: 13px; font-weight: 600;
  transition: all 0.2s;
}
.overdue-banner .ob-btn:hover { background: rgba(239,68,68,0.28); color: #fff; }

/* ===== 在线文档：@提及 后自动带出的「闭环时间」日期组件 ===== */
.mention-due {
  display: inline-flex; align-items: center; gap: 3px;
  background: #eff6ff; border: 1px solid #bfdbfe; border-radius: 6px;
  padding: 1px 6px; margin: 0 2px; font-size: 12px; color: var(--text-dim);
  vertical-align: baseline;
}
.mention-due .due-label { color: var(--primary); font-size: 12px; white-space: nowrap; }
.mention-due .due-input {
  border: none; background: transparent; color: var(--text-main);
  font-size: 12px; padding: 0; font-family: inherit; cursor: pointer;
}
.mention-due .due-input:focus { outline: none; }

/* ===== 任务状态徽标 / 选择器 ===== */
.task-status { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.ts-wait { background: #fef3c7; color: #92400e; }
.ts-doing { background: #dbeafe; color: #1e40af; }
.ts-done { background: #dcfce7; color: #166534; }
.task-status-select {
  padding: 4px 8px; border: 1px solid var(--border-strong); border-radius: 8px;
  background: #fff; color: var(--text-main); font-size: 13px; cursor: pointer;
}
.task-status-select:focus { border-color: var(--primary); outline: none; }
.task-table th, .task-table td { white-space: normal; }
.task-table td:nth-child(2) { min-width: 180px; }