/* === 标衡 AI招投标智能工作平台 - 全新样式系统 === */
:root {
  --ink: #1a2332; --muted: #6b7785; --line: #e2e8f0;
  --paper: #f7f9fc; --white: #fff;
  --primary: #0f6b4d; --primary-dark: #0a4d36; --primary-soft: #e8f5ef;
  --gold: #b8860b; --gold-soft: #fef6e0;
  --red: #c0392b; --red-soft: #fdecea;
  --shadow: 0 2px 8px rgba(0,0,0,.06); --shadow-lg: 0 8px 30px rgba(0,0,0,.08);
  --radius: 8px; --radius-lg: 12px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { color: var(--ink); background: var(--paper); font: 14px/1.6 'Segoe UI','Microsoft YaHei',sans-serif; }

/* Layout */
.app-layout { display: flex; min-height: 100vh; }
.sidebar { width: 240px; background: #0d1f17; color: #b0c4b8; display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; }
.sidebar-brand { padding: 24px 20px; border-bottom: 1px solid rgba(255,255,255,.08); }
.sidebar-brand h1 { color: #fff; font: 700 22px Georgia,serif; }
.sidebar-brand small { color: #7a9b87; font-size: 10px; display: block; margin-top: 2px; }
.nav { flex: 1; padding: 16px 10px; display: flex; flex-direction: column; gap: 2px; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: none; background: transparent; color: #a8c0b0; text-align: left; border-radius: var(--radius); cursor: pointer; font-size: 13px; transition: all .15s; }
.nav-item:hover { color: #fff; background: rgba(255,255,255,.06); }
.nav-item.active { color: #fff; background: rgba(255,255,255,.1); }
.nav-item .num { color: #5a7a68; font-size: 10px; font-weight: 700; }
.nav-item.active .num { color: #7dd3a8; }
.sidebar-footer { padding: 14px; font-size: 11px; color: #6a8a78; border-top: 1px solid rgba(255,255,255,.06); }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar { height: 64px; background: rgba(255,255,255,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; padding: 0 28px; position: sticky; top: 0; z-index: 10; }
.topbar h2 { font: 600 20px Georgia,serif; }
.topbar .user { display: flex; align-items: center; gap: 12px; }
.topbar .user-info { text-align: right; }
.topbar .user-info strong { font-size: 13px; }
.topbar .user-info small { display: block; color: var(--muted); font-size: 11px; }

.content { flex: 1; padding: 24px 28px 60px; max-width: 1400px; margin: 0 auto; width: 100%; }

/* Auth */
.auth-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: #0d1f17; }
.auth-card { background: #fff; border-radius: var(--radius-lg); padding: 40px; width: 400px; box-shadow: var(--shadow-lg); }
.auth-card h1 { font: 700 26px Georgia,serif; margin-bottom: 8px; }
.auth-card p { color: var(--muted); margin-bottom: 24px; }

/* Components */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; color: var(--ink); font-size: 13px; cursor: pointer; transition: all .15s; }
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }
.btn-danger { color: var(--red); border-color: transparent; }
.btn-danger:hover { background: var(--red-soft); }
.btn-sm { padding: 4px 8px; font-size: 12px; }
.btn-link { border: none; background: transparent; color: var(--primary); padding: 2px 6px; font-size: 12px; cursor: pointer; border-radius: 4px; }
.btn-link:hover { background: var(--primary-soft); }

.badge { display: inline-block; padding: 3px 8px; border-radius: 12px; font-size: 11px; font-weight: 600; background: #eef2f5; color: #526059; }
.badge.green { background: var(--primary-soft); color: var(--primary); }
.badge.red { background: var(--red-soft); color: var(--red); }
.badge.gold { background: var(--gold-soft); color: var(--gold); }

.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow); overflow: hidden; }
.card-header { padding: 16px 20px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; }
.card-header h3 { font-size: 15px; font-weight: 600; }
.card-body { padding: 20px; }

.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.metric { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.metric .label { color: var(--muted); font-size: 12px; }
.metric .value { font: 700 26px Georgia,serif; margin: 4px 0; }
.metric .note { color: var(--primary); font-size: 11px; }

/* Table */
table { width: 100%; border-collapse: collapse; }
th { padding: 10px 12px; text-align: left; font-size: 11px; color: var(--muted); background: #f8faf9; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
td { padding: 12px; border-top: 1px solid var(--line); vertical-align: top; font-size: 13px; }
tr:hover td { background: #fafdfb; }
tr.priority td { background: #fff8f3; }
tr.confirmed td { opacity: .55; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 600; font-size: 13px; color: #3a4a3f; }
.form-control { width: 100%; padding: 10px 12px; border: 1px solid #cfd7d2; border-radius: var(--radius); font-size: 14px; outline: none; transition: border .15s; }
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(15,107,77,.08); }
textarea.form-control { min-height: 80px; resize: vertical; }
select.form-control { cursor: pointer; }

/* Review hint */
.review-hint { display: block; margin-top: 6px; padding: 8px 10px; background: var(--primary-soft); border-left: 3px solid var(--primary); border-radius: 4px; font-size: 12px; color: #2a5a3f; line-height: 1.5; }

/* Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.3); display: flex; align-items: center; justify-content: center; z-index: 100; }
.modal { background: #fff; border-radius: var(--radius-lg); width: 90%; max-width: 640px; max-height: 80vh; overflow-y: auto; box-shadow: var(--shadow-lg); }
.modal-header { padding: 16px 20px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; }
.modal-body { padding: 20px; }
.modal-close { border: none; background: transparent; font-size: 20px; cursor: pointer; color: var(--muted); padding: 4px; }

/* Loading & Empty */
.loading { padding: 60px 20px; text-align: center; color: var(--muted); }
.loading::after { content: ''; display: inline-block; width: 20px; height: 20px; border: 2px solid var(--line); border-top-color: var(--primary); border-radius: 50%; animation: spin .6s linear infinite; margin-left: 8px; vertical-align: middle; }
@keyframes spin { to { transform: rotate(360deg); } }
.empty { padding: 40px 20px; text-align: center; color: var(--muted); }
.empty strong { display: block; color: var(--ink); margin-bottom: 4px; font-size: 15px; }

/* Notifications */
.notifications { position: fixed; top: 76px; right: 20px; z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.notification { padding: 12px 16px; border-radius: var(--radius); background: var(--primary-soft); color: var(--primary-dark); font-size: 13px; box-shadow: var(--shadow); animation: slideIn .2s; }
.notification.error { background: var(--red-soft); color: var(--red); }
@keyframes slideIn { from { transform: translateX(20px); opacity: 0; } }

/* Filter bar */
.filter-bar { display: flex; gap: 8px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.filter-bar select { padding: 6px 10px; border: 1px solid var(--line); border-radius: 6px; font-size: 12px; }

/* Responsive */
@media (max-width: 900px) {
  .sidebar { display: none; }
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .content { padding: 16px; }
}