:root{
  --primary:#2563eb;
  --primary-dark:#1d4ed8;
  --primary-soft:#dbeafe;
  --accent:#f97316;
  --danger:#dc2626;
  --success:#16a34a;
  --muted:#64748b;
  --border:#e2e8f0;
  --bg:#f8fafc;
  --surface:#ffffff;
  --text:#0f172a;
  --text-soft:#334155;
  --shadow:0 1px 3px rgba(15,23,42,.06),0 1px 2px rgba(15,23,42,.04);
  --shadow-md:0 4px 10px rgba(15,23,42,.08);
  --radius:10px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;max-width:100%}
/* 移动端防横向溢出兜底：html 层裁掉超出视口宽度的内容，避免整页被右侧撑开 */
html{overflow-x:hidden}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);color:var(--text);font-size:15px;line-height:1.6;min-height:100vh;display:flex;flex-direction:column;
}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
/* 媒体元素兜底：任何图片/画布/视频/预格式化文本都不得超出父容器（防移动端溢出） */
img,svg,video,canvas,pre,table{max-width:100%}
/* 用户输入中的超长英文/URL 强制换行，避免撑破卡片 */
.auth-card,.card,.form-card,.modal-box{word-break:break-word}
.container{max-width:1180px;margin:0 auto;padding:0 16px;width:100%}
main.main-content{flex:1;padding:20px 16px 60px;position:relative}

/* Header */
.app-header{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50;box-shadow:var(--shadow)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:54px;flex-wrap:wrap;padding:8px 16px}
.brand{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:18px;color:var(--primary)}
.brand:hover{text-decoration:none}
.brand-icon{font-size:22px}
.header-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.user-tag{background:var(--primary-soft);color:var(--primary-dark);padding:4px 10px;border-radius:999px;font-size:13px;font-weight:500}

/* 账本 Scope Tab */
.scope-tabs{display:flex;gap:6px;padding:8px 16px 0;border-bottom:1px solid var(--border)}
.scope-tab{padding:6px 16px;border-radius:8px 8px 0 0;color:var(--text-soft);font-weight:500;font-size:14px;border:1px solid transparent;border-bottom:none;cursor:pointer}
.scope-tab:hover{background:var(--primary-soft);text-decoration:none}
.scope-tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* 主导航 */
.nav-bar{display:flex;gap:6px;flex-wrap:wrap;padding:8px 16px 10px;border-top:1px dashed var(--border);margin-top:4px}
.nav-bar a{padding:6px 12px;border-radius:8px;color:var(--text-soft);font-weight:500}
.nav-bar a:hover{background:var(--primary-soft);color:var(--primary-dark);text-decoration:none}
.nav-bar a.active{background:var(--primary);color:#fff}

/* Page head */
.page-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.page-title{margin:0;font-size:20px;color:var(--text);font-weight:700}
.page-title small{font-size:14px;color:var(--muted);font-weight:400}

/* Buttons & Forms */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 14px;border-radius:8px;border:1px solid transparent;background:var(--primary);color:#fff;font-weight:500;cursor:pointer;font-size:14px;transition:.15s;text-decoration:none}
.btn:hover{background:var(--primary-dark);text-decoration:none;color:#fff}
.btn-block{display:flex;width:100%}
.btn-primary{background:var(--primary);color:#fff}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#ea580c}
.btn-success{background:var(--success);color:#fff}
.btn-success:hover{background:#15803d}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{background:#b91c1c}
.btn-ghost{background:transparent;color:var(--text-soft);border-color:var(--border)}
.btn-ghost:hover{background:#f1f5f9;color:var(--primary-dark);text-decoration:none}
.btn-sm{padding:4px 10px;font-size:13px}
.inline-form{display:inline-block;margin:0}

.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;min-width:0}
.form-grid .full{grid-column:1/-1}
/* min-width:0：允许栅格子项收缩到内容固有宽度以下，杜绝子元素（如验证码行）反过来撑宽整列 */
.form-row{display:flex;flex-direction:column;gap:6px;margin-bottom:12px;min-width:0}
.form-row label{font-weight:500;color:var(--text-soft);font-size:14px}
.form-row input,.form-row select,.form-row textarea{padding:9px 11px;border:1px solid var(--border);border-radius:8px;background:#fff;font-size:14px;color:var(--text);outline:none;transition:.15s;font-family:inherit;width:100%;max-width:100%;min-width:0}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.15)}
/* 修正：上面的 input 通用样式会误伤勾选框/单选框，此处还原为原生尺寸（旧写法会让 checkbox 带内边距与边框，撑宽布局） */
.form-row input[type=checkbox],.form-row input[type=radio]{width:auto;min-width:0;padding:0;border:0;border-radius:4px;box-shadow:none;accent-color:var(--primary);flex:0 0 auto}
.form-row input[type=checkbox]:focus,.form-row input[type=radio]:focus{box-shadow:none}
.form-help{font-size:12px;color:var(--muted)}
.form-help.has-error{color:var(--danger)}
.form-actions{display:flex;gap:10px;margin-top:8px;flex-wrap:wrap}
/* fieldset 浏览器默认带 border/padding 且 min-inline-size:min-content（不可收缩），必须重置，否则灰框会越出卡片 */
fieldset{border:0;margin:0;padding:0;min-width:0}
/* 登录页「30 天免登录」勾选行：统一样式的柔和灰底块 */
.checkbox-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:10px 12px;background:#f8fafc;border:1px solid var(--border);border-radius:8px;min-width:0}
.checkbox-row input[type=checkbox]{width:16px;height:16px;flex:0 0 auto}
.checkbox-row label{margin:0;cursor:pointer}

/* 表单卡片（记账表单） */
.form-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);max-width:680px;margin:0 auto}

/* 日期快捷按钮 */
.date-quick{display:flex;flex-direction:column;gap:8px}
.date-quick-btns{display:flex;gap:6px;flex-wrap:wrap}

/* 金额 + 类型切换 */
.amount-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.amount-row input{flex:1;min-width:120px}
.type-switch{display:flex;gap:12px}
.type-switch label{display:inline-flex;align-items:center;gap:4px;font-weight:400;cursor:pointer;font-size:14px}
.type-switch input[type=radio],.type-switch input[type=checkbox]{width:auto;height:auto;margin:0;padding:0;border:0;border-radius:4px}

/* 支出/收入独立容器 */
.type-box-group{display:flex;gap:12px;flex-wrap:wrap}
.type-box{flex:1;min-width:140px;display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 16px;border:2px solid var(--border);border-radius:10px;cursor:pointer;font-weight:600;font-size:16px;transition:all .15s;background:#fff;color:var(--muted);position:relative;user-select:none}
.type-box input[type=radio],.type-box input[type=checkbox]{position:absolute;opacity:0;width:0;height:0;min-width:0;margin:0;padding:0;border:0}
.type-box .type-box-icon{font-size:22px;line-height:1}
.type-box .type-box-label{font-size:16px}
.type-box-expense:hover{border-color:var(--danger);color:var(--danger)}
.type-box-income:hover{border-color:var(--success);color:var(--success)}
.type-box-expense.selected{border-color:var(--danger);background:#fef2f2;color:var(--danger);box-shadow:0 0 0 3px rgba(220,38,38,.1)}
.type-box-income.selected{border-color:var(--success);background:#dcfce7;color:var(--success);box-shadow:0 0 0 3px rgba(22,163,74,.1)}

/* Scope 单选 */
.scope-radio{display:flex;gap:16px;flex-wrap:wrap}
.scope-radio label{display:inline-flex;align-items:center;gap:4px;font-weight:400;cursor:pointer;font-size:14px}
.scope-radio input[type=radio],.scope-radio input[type=checkbox]{width:auto;height:auto;margin:0;padding:0;border:0;border-radius:4px}

/* 验证码行：输入框可收缩（min-width:0），图片不可被压缩而是限制最大宽度，防止两者叠加后撑破卡片 */
.captcha-row{display:flex;gap:8px;align-items:center;min-width:0}
.captcha-row input{flex:1 1 auto;min-width:0;width:auto}
.captcha-row img{height:48px;max-width:45%;flex:0 0 auto;object-fit:contain;border-radius:6px;cursor:pointer;border:1px solid var(--border)}

/* Flash */
.flash{padding:10px 14px;border-radius:10px;margin:12px 0;font-weight:500;box-shadow:var(--shadow)}
.flash-success{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}
.flash-error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}
.flash-info{background:#dbeafe;color:#1e40af;border:1px solid #bfdbfe}
.flash-warn{background:#ffedd5;color:#9a3412;border:1px solid #fed7aa}

/* 结果面板：内联展示模型返回内容（保留换行，超长可滚动） */
.result-panel{margin:12px 0;padding:12px 14px;background:#f8fafc;border:1px solid var(--border);border-radius:10px;font-size:13px;line-height:1.7;color:var(--text-soft);white-space:pre-wrap;word-break:break-word;max-height:320px;overflow:auto;font-family:inherit}

/* ===== 通用弹窗（成功/失败/提示/确认，美观大气） ===== */
.modal-overlay{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(15,23,42,.45);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);opacity:0;transition:opacity .2s ease}
.modal-overlay.show{opacity:1}
.modal-box{width:100%;max-width:440px;max-height:86vh;overflow:auto;background:var(--surface);border-radius:16px;box-shadow:0 20px 50px rgba(15,23,42,.25);padding:28px 24px 20px;text-align:center;transform:translateY(14px) scale(.96);opacity:0;transition:transform .22s cubic-bezier(.34,1.4,.64,1),opacity .22s ease}
.modal-overlay.show .modal-box{transform:translateY(0) scale(1);opacity:1}
.modal-icon{width:64px;height:64px;border-radius:50%;margin:0 auto 14px;display:flex;align-items:center;justify-content:center;font-size:32px;font-weight:700;color:#fff;line-height:1}
.modal-success .modal-icon{background:linear-gradient(135deg,#22c55e,#16a34a);box-shadow:0 8px 18px rgba(22,163,74,.35)}
.modal-error .modal-icon{background:linear-gradient(135deg,#f87171,#dc2626);box-shadow:0 8px 18px rgba(220,38,38,.35)}
.modal-info .modal-icon{background:linear-gradient(135deg,#60a5fa,#2563eb);box-shadow:0 8px 18px rgba(37,99,235,.35)}
.modal-title{margin:0 0 8px;font-size:19px;font-weight:700;color:var(--text)}
.modal-message{margin:0;font-size:14px;color:var(--text-soft);line-height:1.7;word-break:break-word}
.modal-extra{margin-top:14px;text-align:left}
.modal-pre{margin:0;padding:12px 14px;background:#f8fafc;border:1px solid var(--border);border-radius:10px;font-size:13px;line-height:1.7;color:var(--text-soft);white-space:pre-wrap;word-break:break-word;max-height:300px;overflow:auto;font-family:inherit}
.modal-footer{display:flex;gap:10px;justify-content:center;margin-top:22px;flex-wrap:wrap}
.modal-footer .btn{min-width:104px}
@media (max-width:480px){.modal-box{padding:22px 18px 16px}.modal-footer .btn{flex:1}}

/* Cards */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:16px}
.card h2,.card h3{margin-top:0}
.card h3{font-size:16px;color:var(--text-soft)}
.section-title{display:flex;align-items:center;justify-content:space-between;margin:0 0 14px;gap:10px;flex-wrap:wrap}

/* KPI */
.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-bottom:20px}
.kpi{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.kpi-label{color:var(--muted);font-size:13px}
.kpi-value{font-size:24px;font-weight:700;color:var(--text);margin-top:6px;word-break:break-word}
.kpi-sub{font-size:12px;margin-top:4px}
.kpi-sub.up{color:var(--danger)}
.kpi-sub.down{color:var(--success)}
.kpi-icon{position:absolute;right:12px;top:12px;font-size:22px;opacity:.18}
.kpi-accent .kpi-value{color:var(--success)}
.kpi-warn .kpi-value{color:var(--danger)}

/* Table */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
table.data{width:100%;border-collapse:collapse;font-size:14px}
table.data th,table.data td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border)}
table.data th{background:#f8fafc;color:var(--text-soft);font-weight:600}
table.data tbody tr:hover{background:#f8fafc}
table.data td.num{text-align:right;font-variant-numeric:tabular-nums}
table.data td.actions{white-space:nowrap}
table.data td.income{color:var(--success)}
table.data td.expense{color:var(--danger)}
.tag{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:500}
.tag-full{background:#dcfce7;color:#166534}
.tag-part{background:#fef3c7;color:#92400e}
.tag-base{background:#e0e7ff;color:#3730a3}
.tag-warn{background:#fee2e2;color:#991b1b}

/* 颜色圆点 */
.color-dot{display:inline-block;width:14px;height:14px;border-radius:50%;vertical-align:middle;border:1px solid rgba(0,0,0,.1)}

/* 分页 */
.pager{display:flex;gap:6px;flex-wrap:wrap;margin:14px 0;justify-content:center}
.pager-btn{padding:6px 12px;border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--text-soft);cursor:pointer}
.pager-btn:hover{background:var(--primary-soft);text-decoration:none;color:var(--primary-dark)}
.pager-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* 筛选条 */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px;align-items:end}
.filters .form-row{min-width:150px;flex:1;margin-bottom:0}

/* Empty */
.empty{padding:32px;text-align:center;color:var(--muted);background:#fff;border:1px dashed var(--border);border-radius:var(--radius)}
.empty a{font-weight:600}

/* 悬浮 + 按钮 */
.fab{position:fixed;right:20px;bottom:24px;width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;font-size:28px;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px rgba(37,99,235,.4);z-index:90;transition:.2s;text-decoration:none;line-height:1}
.fab:hover{background:var(--primary-dark);transform:scale(1.06);box-shadow:0 8px 22px rgba(37,99,235,.5)}

/* 内容联想 datalist */
datalist{display:none}
input[list]{} /* 浏览器原生显示即可 */

/* 拖拽上传 dropzone */
.dropzone{border:2px dashed var(--border);border-radius:12px;padding:32px 20px;text-align:center;background:#f8fafc;cursor:pointer;transition:.2s}
.dropzone:hover,.dropzone.dragover{border-color:var(--primary);background:var(--primary-soft)}
.dz-inner{display:flex;flex-direction:column;align-items:center;gap:10px}
.dz-icon{font-size:40px}
.dz-tip{color:var(--muted);margin:0;font-size:14px}
.dz-status{margin-top:10px;text-align:center;font-size:14px;color:var(--text-soft)}
.dz-status.has-error{color:var(--danger)}

/* 批量入库表格 */
.batch-toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px;padding:8px 0}
.batch-toolbar label{display:inline-flex;align-items:center;gap:4px;font-weight:500;font-size:14px}
.batch-toolbar input[type=checkbox]{width:16px;height:16px}
#result_table input[type=text],#result_table input[type=number],#result_table select{width:100%;padding:5px 7px;border:1px solid var(--border);border-radius:6px;font-size:13px}
#result_table td.chk{text-align:center;width:34px}
#result_table td.chk input{width:16px;height:16px}

/* Chart */
.dashboard-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.chart-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.chart-box{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px}
.chart-box.full{grid-column:1/-1}
.chart-box h3{margin:0 0 10px;font-size:16px;color:var(--text-soft)}
.chart-canvas{width:100%;height:300px;position:relative}
.chart-canvas canvas{max-width:100%}

/* 预算进度条 */
.budget-bar-wrap{margin-top:6px}
.budget-bar-info{display:flex;justify-content:space-between;font-size:13px;color:var(--text-soft);margin-bottom:6px}
.budget-bar{width:100%;height:14px;background:#e2e8f0;border-radius:999px;overflow:hidden}
.budget-bar-fill{height:100%;background:linear-gradient(90deg,var(--primary),#3b82f6);border-radius:999px;transition:width .4s}
.budget-bar-fill.over{background:linear-gradient(90deg,var(--danger),#f87171)}

/* 快捷模板 */
.quick-templates{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}
.quick-tpl{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:#fff;text-decoration:none;transition:.15s}
.quick-tpl:hover{border-color:var(--primary);background:var(--primary-soft);text-decoration:none}
.qt-name{font-weight:500;color:var(--text);font-size:13px}
.qt-amt{font-size:14px;color:var(--primary-dark);font-weight:600}

/* 管理员后台网格 */
.admin-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px;margin-bottom:20px}
.admin-card{display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px;text-decoration:none;color:var(--text);transition:.15s}
.admin-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);text-decoration:none;border-color:var(--primary)}
.ac-icon{font-size:36px}
.ac-title{font-weight:600;font-size:15px;color:var(--primary-dark)}
.ac-desc{font-size:12px;color:var(--muted)}

/* 智能分类建议 */
.suggest-list{display:flex;flex-direction:column;gap:12px}
.suggest-item{padding:14px;border:1px solid var(--border);border-radius:10px;background:#f8fafc}
.suggest-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.suggest-name{font-weight:600;font-size:15px;color:var(--text)}
.suggest-body{margin-bottom:10px}

/* 运维操作网格 */
.action-grid{display:flex;gap:10px;flex-wrap:wrap}

/* 登录/安装 */
.auth-wrap{min-height:calc(100vh - 200px);display:flex;align-items:center;justify-content:center;padding:20px 16px;min-width:0}
/* min-width:0：作为 flex 子项时默认 min-width:auto 会被内容撑宽，导致卡片越出屏幕 */
.auth-card{width:100%;max-width:420px;min-width:0;padding:28px;background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-md)}
.auth-card h1{margin:0 0 6px;font-size:22px;color:var(--primary-dark);text-align:center}
.auth-card .subtitle{color:var(--muted);margin:0 0 22px;font-size:14px;text-align:center}
/* 登录卡片内一律单列，且用 minmax(0,1fr) 保证列宽可收缩 */
.auth-card .form-grid{grid-template-columns:minmax(0,1fr)}
.site-logo{font-size:44px;text-align:center;margin-bottom:6px}
.center{text-align:center}

/* Footer */
.app-footer{border-top:1px solid var(--border);background:#fff;margin-top:auto}
.footer-inner{padding:14px 16px;color:var(--muted);font-size:12px;text-align:center}

/* Responsive */
@media (max-width:768px){
  .form-grid{grid-template-columns:1fr}
  .chart-grid,.dashboard-grid{grid-template-columns:1fr}
  .header-inner{flex-direction:column;align-items:flex-start}
  .nav-bar{overflow-x:auto;flex-wrap:nowrap;padding-bottom:10px}
  .nav-bar a{white-space:nowrap}
  .kpi-value{font-size:20px}
  table.data{font-size:13px}
  table.data th,table.data td{padding:8px}
  .fab{width:50px;height:50px;font-size:24px;right:14px;bottom:18px}
  .filters{flex-direction:column;align-items:stretch}
  .filters .form-row{min-width:0}
}

/* 小屏（手机）进一步收紧内边距，确保登录卡片两侧留白、不被撑开 */
@media (max-width:480px){
  .container{padding:0 12px}
  main.main-content{padding:16px 12px 48px}
  .auth-wrap{padding:16px 12px}
  .auth-card{padding:22px 16px}
  .auth-card h1{font-size:20px}
  .captcha-row img{height:44px;max-width:42%}
  .form-row input,.form-row select,.form-row textarea{font-size:16px} /* 16px 可避免 iOS/部分安卓浏览器聚焦时自动放大页面 */
}