/* ============================================================
   就业直通车 · 运营管理后台样式
   浅色主题 / 无框架依赖
   ============================================================ */

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-soft: #eff6ff;
  --bg: #f5f6fa;
  --card: #ffffff;
  --border: #e5e7eb;
  --border-strong: #d1d5db;
  --text: #1f2937;
  --text-sub: #4b5563;
  --muted: #9ca3af;
  --danger: #dc2626;
  --danger-soft: #fef2f2;
  --success: #16a34a;
  --success-soft: #f0fdf4;
  --warn: #d97706;
  --warn-soft: #fffbeb;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 1px 3px rgba(16, 24, 40, .06);
  --shadow-lg: 0 12px 32px rgba(16, 24, 40, .12);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 14px; }
a { color: var(--primary); text-decoration: none; }
code {
  background: #f3f4f6; border-radius: 4px; padding: 1px 5px;
  font-family: ui-monospace, Consolas, monospace; font-size: 12px;
}
[hidden] { display: none !important; }

/* ---------------- 登录 ---------------- */

.login-wrap {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #eff6ff 0%, #f5f6fa 45%, #ecfdf5 100%);
  padding: 24px;
}
.login-card {
  width: 100%; max-width: 380px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  padding: 30px 30px 22px;
}
.login-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; }
.login-brand h1 { margin: 0; font-size: 18px; letter-spacing: .5px; }
.login-brand p { margin: 2px 0 0; font-size: 12px; color: var(--muted); }
.brand-mark {
  width: 42px; height: 42px; border-radius: 11px; flex: 0 0 auto;
  background: linear-gradient(135deg, var(--primary), #3b82f6);
  color: #fff; font-weight: 700; font-size: 20px;
  display: flex; align-items: center; justify-content: center;
}
.brand-mark.sm { width: 32px; height: 32px; font-size: 15px; border-radius: 9px; }

.field { display: block; margin-bottom: 14px; }
.field > span { display: block; font-size: 13px; color: var(--text-sub); margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 9px 12px;
  border: 1px solid var(--border-strong); border-radius: 8px;
  background: #fff; color: var(--text); outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}
.field textarea { resize: vertical; min-height: 76px; line-height: 1.6; }
.field small.hint { display: block; color: var(--muted); font-size: 12px; margin-top: 5px; }

.login-error {
  background: var(--danger-soft); color: var(--danger);
  border: 1px solid #fecaca; border-radius: 8px;
  padding: 8px 12px; font-size: 13px; margin-bottom: 12px;
}
.login-tip { font-size: 12px; color: var(--muted); text-align: center; margin: 16px 0 0; line-height: 1.7; }

/* ---------------- 按钮 ---------------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 5px;
  padding: 7px 14px; border-radius: 8px; border: 1px solid var(--border-strong);
  background: #fff; color: var(--text-sub); font-size: 13px;
  transition: all .15s; white-space: nowrap;
}
.btn:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-soft); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }
.btn-danger { background: #fff; border-color: #fca5a5; color: var(--danger); }
.btn-danger:hover { background: var(--danger-soft); border-color: var(--danger); color: var(--danger); }
.btn-block { width: 100%; padding: 10px; font-size: 14px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-sm { padding: 4px 9px; font-size: 12px; border-radius: 6px; }

.icon-btn {
  border: 1px solid transparent; background: transparent; color: var(--text-sub);
  width: 32px; height: 32px; border-radius: 8px; font-size: 15px; line-height: 1;
  display: inline-flex; align-items: center; justify-content: center;
}
.icon-btn:hover { background: #f3f4f6; color: var(--primary); }

/* ---------------- 布局 ---------------- */

.app { display: flex; min-height: 100vh; }

.sidebar {
  width: 218px; flex: 0 0 218px;
  background: var(--card); border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
}
.app.collapsed .sidebar { width: 62px; flex-basis: 62px; }
.app.collapsed .side-brand-text,
.app.collapsed .nav-label,
.app.collapsed .side-foot { display: none; }
.app.collapsed .nav-item { justify-content: center; padding-left: 0; padding-right: 0; }

.side-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 16px 16px 14px; border-bottom: 1px solid var(--border);
}
.side-brand-text strong { display: block; font-size: 14px; }
.side-brand-text small { display: block; font-size: 11px; color: var(--muted); margin-top: 1px; }

.nav { flex: 1; overflow-y: auto; padding: 10px 8px; }
.nav-group { font-size: 11px; color: var(--muted); padding: 12px 10px 5px; letter-spacing: .5px; }
.app.collapsed .nav-group { text-align: center; padding: 8px 0 4px; font-size: 10px; }
.nav-item {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 10px; border-radius: 8px; margin-bottom: 2px;
  color: var(--text-sub); font-size: 13px; cursor: pointer;
  border: none; background: transparent; width: 100%; text-align: left;
}
.nav-item:hover { background: #f3f4f6; color: var(--primary); }
.nav-item.active { background: var(--primary-soft); color: var(--primary); font-weight: 600; }
.nav-icon { width: 18px; text-align: center; flex: 0 0 18px; font-size: 14px; }
.nav-badge {
  margin-left: auto; background: var(--danger); color: #fff;
  font-size: 11px; min-width: 18px; height: 18px; border-radius: 9px;
  display: inline-flex; align-items: center; justify-content: center; padding: 0 5px;
}
.app.collapsed .nav-badge { position: absolute; transform: translate(14px, -12px); }
.side-foot { padding: 10px 16px; font-size: 11px; color: var(--muted); border-top: 1px solid var(--border); }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  height: 58px; flex: 0 0 58px;
  background: var(--card); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 20px; position: sticky; top: 0; z-index: 30;
}
.topbar-left { display: flex; align-items: center; gap: 12px; min-width: 0; }
.topbar-left h2 { margin: 0; font-size: 16px; white-space: nowrap; }
.page-desc { font-size: 12px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-right { display: flex; align-items: center; gap: 8px; }

.user-chip {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 10px; border-radius: 9px; position: relative;
  cursor: pointer; border: 1px solid transparent;
}
.user-chip:hover { background: #f9fafb; border-color: var(--border); }
.avatar {
  width: 28px; height: 28px; border-radius: 50%; flex: 0 0 auto;
  background: linear-gradient(135deg, var(--primary), #60a5fa);
  color: #fff; font-size: 12px; font-weight: 600;
  display: flex; align-items: center; justify-content: center;
}
.user-chip-text strong { display: block; font-size: 13px; line-height: 1.2; }
.user-chip-text small { display: block; font-size: 11px; color: var(--muted); }
.user-menu {
  position: absolute; right: 0; top: calc(100% + 6px);
  background: #fff; border: 1px solid var(--border); border-radius: 9px;
  box-shadow: var(--shadow-lg); min-width: 132px; overflow: hidden; z-index: 40;
}
.user-menu button {
  display: block; width: 100%; text-align: left;
  padding: 9px 14px; border: none; background: transparent;
  font-size: 13px; color: var(--text-sub);
}
.user-menu button:hover { background: #f3f4f6; color: var(--primary); }
.user-menu button.danger:hover { background: var(--danger-soft); color: var(--danger); }

.content { flex: 1; padding: 18px 20px 40px; min-width: 0; }

/* ---------------- 卡片 / 统计 ---------------- */

.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  margin-bottom: 16px;
}
.card-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 13px 16px; border-bottom: 1px solid var(--border); flex-wrap: wrap;
}
.card-head h3 { margin: 0; font-size: 14px; }
.card-head .sub { font-size: 12px; color: var(--muted); font-weight: 400; margin-left: 8px; }
.card-body { padding: 16px; }
.card-body.tight { padding: 0; }

.stat-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(158px, 1fr));
  gap: 12px; margin-bottom: 16px;
}
.stat {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; box-shadow: var(--shadow);
}
.stat-label { font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 5px; }
.stat-value { font-size: 24px; font-weight: 700; margin-top: 6px; letter-spacing: -.5px; }
.stat-foot { font-size: 11px; color: var(--muted); margin-top: 4px; }
.stat.accent { border-left: 3px solid var(--primary); }
.stat.warn { border-left: 3px solid var(--warn); }
.stat.danger { border-left: 3px solid var(--danger); }
.stat.success { border-left: 3px solid var(--success); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 980px) { .grid-2 { grid-template-columns: 1fr; } }

/* ---------------- 工具条 ---------------- */

.toolbar {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 12px 16px; border-bottom: 1px solid var(--border);
}
.toolbar .spacer { flex: 1; }
.toolbar input[type="text"], .toolbar input[type="search"], .toolbar select {
  padding: 7px 10px; border: 1px solid var(--border-strong); border-radius: 8px;
  background: #fff; outline: none; min-width: 130px;
}
.toolbar input:focus, .toolbar select:focus { border-color: var(--primary); }

/* ---------------- 表格 ---------------- */

.tbl-wrap { overflow-x: auto; }
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th {
  text-align: left; font-weight: 600; color: var(--text-sub);
  background: #f9fafb; padding: 10px 12px; white-space: nowrap;
  border-bottom: 1px solid var(--border); font-size: 12px;
}
.tbl td {
  padding: 10px 12px; border-bottom: 1px solid #f1f3f6;
  vertical-align: middle; color: var(--text-sub);
}
.tbl tbody tr:hover { background: #fafbfc; }
.tbl .empty { text-align: center; color: var(--muted); padding: 34px 12px; }
.tbl .nowrap { white-space: nowrap; }
.tbl .actions { white-space: nowrap; }
.tbl .actions .btn { margin-right: 5px; }
.tbl .actions .btn:last-child { margin-right: 0; }
.cell-main { color: var(--text); font-weight: 500; }
.cell-sub { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* ---------------- 标签 ---------------- */

.tag {
  display: inline-flex; align-items: center;
  padding: 2px 8px; border-radius: 999px; font-size: 12px;
  background: #f3f4f6; color: var(--text-sub); white-space: nowrap;
}
.tag.blue { background: var(--primary-soft); color: var(--primary); }
.tag.green { background: var(--success-soft); color: var(--success); }
.tag.red { background: var(--danger-soft); color: var(--danger); }
.tag.orange { background: var(--warn-soft); color: var(--warn); }
.tag.gray { background: #f3f4f6; color: var(--muted); }

/* ---------------- 分页 ---------------- */

.pager {
  display: flex; align-items: center; justify-content: flex-end; gap: 8px;
  padding: 12px 16px; font-size: 13px; color: var(--text-sub); flex-wrap: wrap;
}
.pager .info { margin-right: auto; color: var(--muted); font-size: 12px; }
.pager button {
  min-width: 32px; height: 30px; padding: 0 9px; border-radius: 7px;
  border: 1px solid var(--border-strong); background: #fff; color: var(--text-sub); font-size: 13px;
}
.pager button:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); }
.pager button.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.pager button:disabled { opacity: .45; cursor: not-allowed; }

/* ---------------- 加载 / 空态 ---------------- */

.loading { padding: 40px; text-align: center; color: var(--muted); font-size: 13px; }
.spinner {
  width: 22px; height: 22px; margin: 0 auto 10px;
  border: 2px solid var(--border-strong); border-top-color: var(--primary);
  border-radius: 50%; animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------------- 提示 ---------------- */

.toast-host {
  position: fixed; top: 18px; left: 50%; transform: translateX(-50%);
  z-index: 200; display: flex; flex-direction: column; gap: 8px; align-items: center;
  pointer-events: none;
}
.toast {
  background: #1f2937; color: #fff; padding: 9px 16px; border-radius: 9px;
  font-size: 13px; box-shadow: var(--shadow-lg); max-width: 460px;
  animation: toastIn .18s ease-out;
}
.toast.success { background: #15803d; }
.toast.error { background: #b91c1c; }
.toast.warn { background: #b45309; }
@keyframes toastIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }

/* ---------------- 弹窗 ---------------- */

.modal-host {
  position: fixed; inset: 0; z-index: 150;
  background: rgba(17, 24, 39, .42);
  display: flex; align-items: center; justify-content: center; padding: 24px;
}
.modal {
  background: #fff; border-radius: 12px; box-shadow: var(--shadow-lg);
  width: 100%; max-width: 560px; max-height: 88vh;
  display: flex; flex-direction: column; animation: modalIn .16s ease-out;
}
.modal.wide { max-width: 820px; }
.modal.narrow { max-width: 420px; }
@keyframes modalIn { from { opacity: 0; transform: scale(.97); } to { opacity: 1; transform: none; } }
.modal-head {
  padding: 15px 18px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.modal-head h3 { margin: 0; font-size: 15px; }
.modal-close { border: none; background: transparent; font-size: 18px; color: var(--muted); line-height: 1; }
.modal-close:hover { color: var(--danger); }
.modal-body { padding: 18px; overflow-y: auto; }
.modal-foot {
  padding: 13px 18px; border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 9px;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

.desc-list { display: grid; grid-template-columns: 112px 1fr; gap: 9px 14px; font-size: 13px; }
.desc-list dt { color: var(--muted); }
.desc-list dd { margin: 0; color: var(--text); word-break: break-all; }

.img-thumb {
  width: 52px; height: 52px; object-fit: cover; border-radius: 7px;
  border: 1px solid var(--border); background: #f3f4f6; cursor: pointer;
}
.img-preview-lg { max-width: 100%; max-height: 66vh; border-radius: 9px; display: block; margin: 0 auto; }

.timeline { border-left: 2px solid var(--border); padding-left: 14px; margin: 4px 0; }
.timeline-item { position: relative; padding-bottom: 14px; font-size: 13px; }
.timeline-item::before {
  content: ''; position: absolute; left: -20px; top: 4px;
  width: 8px; height: 8px; border-radius: 50%; background: var(--primary);
}
.timeline-item .t { color: var(--muted); font-size: 12px; margin-top: 2px; }

.chart-bars { display: flex; align-items: flex-end; gap: 10px; height: 150px; padding: 8px 4px 0; }
.chart-col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; }
.chart-bar {
  width: 100%; max-width: 34px; border-radius: 5px 5px 0 0;
  background: linear-gradient(180deg, #60a5fa, var(--primary)); min-height: 3px;
  transition: height .3s;
}
.chart-bar.alt { background: linear-gradient(180deg, #86efac, var(--success)); }
.chart-label { font-size: 11px; color: var(--muted); margin-top: 6px; white-space: nowrap; }
.chart-val { font-size: 11px; color: var(--text-sub); margin-bottom: 3px; }

.bar-list { display: flex; flex-direction: column; gap: 10px; }
.bar-row { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.bar-row .name { width: 128px; flex: 0 0 128px; color: var(--text-sub); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-row .track { flex: 1; height: 8px; background: #f1f3f6; border-radius: 4px; overflow: hidden; }
.bar-row .fill { height: 100%; background: var(--primary); border-radius: 4px; }
.bar-row .num { width: 46px; text-align: right; color: var(--muted); font-size: 12px; }

@media (max-width: 760px) {
  .sidebar { position: fixed; z-index: 60; transform: translateX(-100%); transition: transform .2s; }
  .app.mobile-open .sidebar { transform: none; box-shadow: var(--shadow-lg); }
  .content { padding: 14px; }
  .topbar { padding: 0 14px; }
}