:root {
  --brand: #1f6feb;
  --brand-dark: #1657c0;
  --bg: #f4f6fb;
  --panel: #ffffff;
  --border: #e3e8f0;
  --text: #1f2733;
  --muted: #6b7785;
  --green: #1a9c5b;
  --red: #d83a3a;
  --amber: #c47f00;
  --shadow: 0 2px 10px rgba(28, 52, 92, 0.06);
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

/* ---------- 登录 ---------- */
.login-view { height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #1f6feb 0%, #2b3a8f 100%); }
.login-card { width: 360px; background: #fff; border-radius: 14px; padding: 36px 32px; box-shadow: 0 16px 48px rgba(0,0,0,.2); }
.login-brand { font-size: 26px; font-weight: 700; color: var(--brand); margin-bottom: 24px; }
.login-brand span { display: block; font-size: 13px; font-weight: 400; color: var(--muted); margin-top: 4px; }
.login-card label { display: block; margin: 12px 0 6px; color: var(--muted); font-size: 13px; }
.login-card input { width: 100%; padding: 11px 12px; border: 1px solid var(--border); border-radius: 8px; outline: none; font-size: 14px; }
.login-card input:focus { border-color: var(--brand); }
.login-card button { width: 100%; margin-top: 22px; padding: 12px; background: var(--brand); color: #fff; border: none; border-radius: 8px; font-size: 15px; cursor: pointer; }
.login-card button:hover { background: var(--brand-dark); }
.form-error { color: var(--red); font-size: 13px; margin-top: 10px; min-height: 16px; }
.login-hint { margin-top: 16px; font-size: 12px; color: var(--muted); text-align: center; }

/* ---------- 布局 ---------- */
.app-view { display: flex; height: 100vh; }
.sidebar { width: 220px; background: #0f1b34; color: #cdd6e6; display: flex; flex-direction: column; }
.sidebar-brand { font-size: 20px; font-weight: 700; color: #fff; padding: 20px 22px; border-bottom: 1px solid #1c2a4a; }
.nav-menu { padding: 12px 10px; flex: 1; overflow-y: auto; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 11px 14px; border-radius: 8px; cursor: pointer; color: #aeb9cf; margin-bottom: 4px; }
.nav-item:hover { background: #18254a; color: #fff; }
.nav-item.active { background: var(--brand); color: #fff; }
.nav-icon { font-size: 16px; }

.main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.topbar { height: 58px; background: #fff; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; padding: 0 24px; }
.topbar-title { font-size: 17px; font-weight: 600; }
.topbar-user { display: flex; align-items: center; gap: 12px; color: var(--muted); }
.badge { background: #eaf1fe; color: var(--brand); padding: 2px 10px; border-radius: 20px; font-size: 12px; }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--muted); padding: 6px 14px; border-radius: 7px; cursor: pointer; }
.btn-ghost:hover { border-color: var(--red); color: var(--red); }

.page-content { padding: 24px; overflow-y: auto; flex: 1; }

/* ---------- 卡片 / 表格 ---------- */
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 20px; box-shadow: var(--shadow); margin-bottom: 20px; }
.panel h3 { margin: 0 0 16px; font-size: 15px; }
.kpi-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 20px; }
.kpi { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px; box-shadow: var(--shadow); }
.kpi .k-label { color: var(--muted); font-size: 13px; }
.kpi .k-value { font-size: 24px; font-weight: 700; margin-top: 6px; }
.kpi .k-value.green { color: var(--green); }
.kpi .k-value.blue { color: var(--brand); }
.kpi .k-value.amber { color: var(--amber); }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; background: #fafbfe; }
tbody tr:hover { background: #f7f9fd; }
.tag { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 12px; }
.tag.green { background: #e6f6ed; color: var(--green); }
.tag.red { background: #fdeaea; color: var(--red); }
.tag.amber { background: #fdf3e0; color: var(--amber); }
.tag.blue { background: #eaf1fe; color: var(--brand); }
.tag.gray { background: #eef1f5; color: var(--muted); }

.toolbar { display: flex; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; align-items: center; }
.btn { background: var(--brand); color: #fff; border: none; padding: 9px 16px; border-radius: 8px; cursor: pointer; font-size: 13px; }
.btn:hover { background: var(--brand-dark); }
.btn.secondary { background: #eef1f5; color: var(--text); }
.btn.secondary:hover { background: #e2e7ee; }
.btn.danger { background: var(--red); }
.empty { color: var(--muted); padding: 30px; text-align: center; }

/* ---------- 表单 / 弹窗 ---------- */
.field { margin-bottom: 14px; }
.field label { display: block; margin-bottom: 6px; color: var(--muted); font-size: 13px; }
.field input, .field select { width: 100%; padding: 9px 11px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; outline: none; }
.field input:focus, .field select:focus { border-color: var(--brand); }

.modal-mask { position: fixed; inset: 0; background: rgba(15,27,52,.45); display: flex; align-items: center; justify-content: center; z-index: 50; }
.modal { background: #fff; border-radius: 12px; width: 440px; max-width: 92vw; padding: 24px; box-shadow: 0 20px 60px rgba(0,0,0,.25); }
.modal h3 { margin: 0 0 18px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

.toast { position: fixed; top: 20px; left: 50%; transform: translateX(-50%); background: #0f1b34; color: #fff; padding: 11px 20px; border-radius: 8px; opacity: 0; pointer-events: none; transition: opacity .25s; z-index: 100; font-size: 13px; }
.toast.show { opacity: 1; }
.toast.error { background: var(--red); }
.toast.success { background: var(--green); }

.muted { color: var(--muted); }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ---------- 每日总结 / 备忘录 ---------- */
.tabs { display: flex; gap: 8px; margin-bottom: 14px; }
.tab { padding: 8px 16px; border: 1px solid var(--border); background: #fff; border-radius: 8px; cursor: pointer; font-size: 14px; color: var(--muted); }
.tab.active { background: var(--brand); color: #fff; border-color: var(--brand); }
.chk-group { display: flex; flex-wrap: wrap; gap: 8px 16px; padding: 8px 0; }
.chk { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text); cursor: pointer; }
.chk input { width: auto; }
#d-list .table-wrap, .table-wrap { overflow-x: auto; }
#d-list table { width: 100%; }
textarea { border: 1px solid var(--border); border-radius: 8px; padding: 11px; font-size: 14px; font-family: inherit; resize: vertical; outline: none; }
textarea:focus { border-color: var(--brand); }

/* ---------- 备案号 footer ---------- */
.site-footer { flex: 0 0 auto; padding: 12px 24px; text-align: center; font-size: 12px; color: var(--muted); border-top: 1px solid var(--border); background: #fff; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--brand); }
.site-footer .sep { margin: 0 8px; color: var(--border); }
.login-beian { margin-top: 10px; font-size: 12px; text-align: center; }
.login-beian a { color: var(--muted); text-decoration: none; }
.login-beian a:hover { color: var(--brand); }