/* ============================================================
 * 生化逃生管理后台样式（Laravel 风格：深色侧栏 + 浅灰内容区 + 白色卡片）
 * ============================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif; background: #f3f4f6; color: #1f2937; font-size: 14px; }
a { color: #2563eb; text-decoration: none; }
a:hover { text-decoration: underline; }

/* 登录页 */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #111827 0%, #1f2937 60%, #374151 100%); }
.login-card { width: 380px; background: #fff; border-radius: 10px; padding: 36px 34px; box-shadow: 0 12px 40px rgba(0,0,0,.35); }
.login-card h1 { font-size: 20px; margin-bottom: 4px; color: #111827; }
.login-card .sub { color: #6b7280; font-size: 12px; margin-bottom: 24px; }
.login-card label { display: block; margin: 14px 0 6px; color: #374151; font-size: 13px; }
.login-card input { width: 100%; height: 38px; border: 1px solid #d1d5db; border-radius: 6px; padding: 0 12px; font-size: 14px; }
.login-card input:focus { outline: none; border-color: #2563eb; box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
.login-card button { width: 100%; height: 40px; margin-top: 22px; background: #2563eb; color: #fff; border: 0; border-radius: 6px; font-size: 15px; cursor: pointer; }
.login-card button:hover { background: #1d4ed8; }
.login-err { margin-top: 14px; padding: 9px 12px; background: #fef2f2; border: 1px solid #fecaca; color: #b91c1c; border-radius: 6px; font-size: 13px; }

/* 框架布局 */
.layout { display: flex; min-height: 100vh; }
.sidebar { width: 220px; background: #111827; color: #d1d5db; flex-shrink: 0; display: flex; flex-direction: column; }
.sidebar .brand { padding: 18px 20px; font-size: 16px; font-weight: 700; color: #fff; border-bottom: 1px solid #1f2937; }
.sidebar .brand small { display: block; font-weight: 400; font-size: 11px; color: #6b7280; margin-top: 3px; }
.sidebar nav { flex: 1; padding: 10px 0; overflow-y: auto; }
.sidebar .group { padding: 14px 20px 6px; font-size: 11px; color: #6b7280; letter-spacing: 1px; }
.sidebar a { display: block; padding: 9px 20px; color: #d1d5db; font-size: 13px; border-left: 3px solid transparent; }
.sidebar a:hover { background: #1f2937; text-decoration: none; }
.sidebar a.active { background: #1f2937; color: #fff; border-left-color: #2563eb; }
.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar { height: 56px; background: #fff; border-bottom: 1px solid #e5e7eb; display: flex; align-items: center; justify-content: flex-end; padding: 0 24px; gap: 16px; }
.topbar .who { color: #6b7280; font-size: 13px; }
.content { flex: 1; padding: 24px; }
.page-title { font-size: 18px; font-weight: 600; margin-bottom: 18px; color: #111827; }

/* 卡片/表格/表单 */
.card { background: #fff; border: 1px solid #e5e7eb; border-radius: 8px; padding: 18px; margin-bottom: 18px; }
.card h3 { font-size: 14px; margin-bottom: 12px; color: #374151; }
table.data { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data th { text-align: left; padding: 9px 10px; background: #f9fafb; color: #6b7280; font-weight: 600; border-bottom: 1px solid #e5e7eb; white-space: nowrap; }
table.data td { padding: 9px 10px; border-bottom: 1px solid #f3f4f6; vertical-align: middle; }
table.data tr:hover td { background: #f9fafb; }
.muted { color: #9ca3af; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 12px; }
.tag-ok { background: #ecfdf5; color: #047857; }
.tag-warn { background: #fffbeb; color: #b45309; }
.tag-bad { background: #fef2f2; color: #b91c1c; }
.tag-info { background: #eff6ff; color: #1d4ed8; }

/* 统计卡 */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat { background: #fff; border: 1px solid #e5e7eb; border-radius: 8px; padding: 16px; }
.stat .num { font-size: 24px; font-weight: 700; color: #111827; margin-top: 6px; }
.stat .lab { color: #6b7280; font-size: 12px; }

/* 按钮/输入 */
.btn { display: inline-block; height: 32px; line-height: 30px; padding: 0 14px; border-radius: 6px; border: 1px solid #d1d5db; background: #fff; color: #374151; font-size: 13px; cursor: pointer; }
.btn:hover { background: #f9fafb; text-decoration: none; }
.btn-primary { background: #2563eb; border-color: #2563eb; color: #fff; }
.btn-primary:hover { background: #1d4ed8; }
.btn-danger { background: #dc2626; border-color: #dc2626; color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-sm { height: 26px; line-height: 24px; padding: 0 10px; font-size: 12px; }
input.field, select.field, textarea.field { height: 32px; border: 1px solid #d1d5db; border-radius: 6px; padding: 0 10px; font-size: 13px; background: #fff; }
textarea.field { height: auto; padding: 8px 10px; }
input.field:focus, select.field:focus, textarea.field:focus { outline: none; border-color: #2563eb; }
.form-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 10px; }
.form-row label { color: #6b7280; min-width: 84px; font-size: 13px; }
.filters { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }

/* 分页 */
.pager { display: flex; gap: 6px; margin-top: 14px; align-items: center; }
.pager a, .pager span { display: inline-block; padding: 4px 10px; border: 1px solid #e5e7eb; border-radius: 5px; font-size: 12px; color: #374151; background: #fff; }
.pager .cur { background: #2563eb; border-color: #2563eb; color: #fff; }

/* 提示条 */
.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; font-size: 13px; }
.flash-ok { background: #ecfdf5; border: 1px solid #a7f3d0; color: #047857; }
.flash-err { background: #fef2f2; border: 1px solid #fecaca; color: #b91c1c; }

/* 底部版权（全站统一） */
.footer { padding: 14px 24px; color: #9ca3af; font-size: 12px; text-align: center; border-top: 1px solid #e5e7eb; background: #fff; }
.footer a { color: #9ca3af; }

/* 简易条形图（服务端渲染，无 JS 依赖） */
.bars { display: flex; align-items: flex-end; gap: 8px; height: 140px; padding-top: 10px; }
.bars .bar { flex: 1; background: #3b82f6; border-radius: 3px 3px 0 0; min-height: 2px; position: relative; }
.bars .bar span { position: absolute; top: -18px; left: 50%; transform: translateX(-50%); font-size: 11px; color: #6b7280; white-space: nowrap; }
.bars .bar em { position: absolute; bottom: -20px; left: 50%; transform: translateX(-50%); font-size: 11px; color: #9ca3af; font-style: normal; white-space: nowrap; }