:root{--bg:#f3f6fc;--card:#fff;--text:#17233b;--muted:#70809c;--line:#dfe7f3;--primary:#306cff;--primary2:#eef4ff;--good:#148a57;--danger:#d9485f;--shadow:0 10px 35px rgba(36,63,115,.08)}
*{box-sizing:border-box} body{margin:0;background:linear-gradient(180deg,#eef3ff 0,#f7f9fd 170px,#f3f6fc 100%);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);font-size:15px}.topbar{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.91);backdrop-filter:blur(14px);border-bottom:1px solid rgba(218,226,241,.8)}.topbar-inner{max-width:1220px;margin:auto;padding:14px 22px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{font-size:18px;font-weight:800;color:var(--text);text-decoration:none}.topbar nav{display:flex;gap:6px;flex-wrap:wrap}.topbar nav a{text-decoration:none;color:#4b5d7a;padding:8px 10px;border-radius:10px}.topbar nav a:hover{background:#f0f4fb}.page{max-width:1220px;margin:0 auto;padding:28px 22px 50px}.page-head{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:20px}.page-head h1{margin:0 0 5px;font-size:27px}.muted{color:var(--muted);margin:0}.head-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.month-form input,.head-actions input{height:42px}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:20px;margin-bottom:20px}.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:15px}.card h2{margin:0;font-size:18px}.stats-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:13px;margin-bottom:20px}.stats-grid.small{grid-template-columns:repeat(6,1fr)}.stat-card{background:linear-gradient(145deg,#fff,#f8faff);border:1px solid var(--line);border-radius:16px;padding:16px;min-width:0;box-shadow:0 6px 18px rgba(44,70,115,.05)}.stat-card span{display:block;color:#60718e;font-size:13px;margin-bottom:8px}.stat-card strong{display:block;font-size:23px;letter-spacing:-.5px;white-space:nowrap}.stat-card small{display:block;color:#95a1b4;margin-top:7px;font-size:11px}.balance-banner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:12px;background:linear-gradient(135deg,#edf4ff,#e6f8ff);border:1px solid #d5e5ff;border-radius:17px;padding:17px 20px;margin-bottom:18px}.balance-banner.negative{background:linear-gradient(135deg,#fff1f3,#fff7f7);border-color:#ffd8de}.balance-banner div{display:flex;flex-direction:column;gap:5px}.balance-banner span{color:#62738f;font-size:13px}.balance-banner strong{font-size:22px}.two-col{display:grid;grid-template-columns:360px 1fr;gap:20px}.two-col.equal{grid-template-columns:1fr 1fr}.accent-card{border-top:4px solid #7c6df2}.accent-card.blue{border-top-color:#3b8bf4}.stack-form{display:flex;flex-direction:column;gap:13px}label{display:flex;flex-direction:column;gap:6px;color:#52617b;font-size:13px;font-weight:600}input,select,textarea{width:100%;border:1px solid #d7e0ee;background:#fff;border-radius:11px;padding:11px 12px;font:inherit;color:var(--text);outline:none;transition:.15s}input:focus,select:focus,textarea:focus{border-color:#8eaeff;box-shadow:0 0 0 3px rgba(48,108,255,.10)}textarea{resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;border:1px solid #d5ddea;border-radius:11px;background:#fff;color:#33435d;text-decoration:none;padding:9px 13px;font-weight:700;cursor:pointer;font:inherit}.btn:hover{transform:translateY(-1px);box-shadow:0 5px 15px rgba(32,56,95,.08)}.btn.primary{border-color:var(--primary);background:var(--primary);color:#fff}.calc-box{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;background:#f5f8fe;border:1px solid #e2e9f5;border-radius:13px;padding:10px}.calc-box.single{grid-template-columns:1fr}.calc-box div{background:#fff;border-radius:10px;padding:10px;display:flex;flex-direction:column;gap:4px}.calc-box span{font-size:11px;color:#71809a}.calc-box b{font-size:15px}.table-wrap{overflow:auto;border:1px solid #e6ebf3;border-radius:13px}table{width:100%;border-collapse:collapse;min-width:900px}th,td{text-align:left;padding:12px 13px;border-bottom:1px solid #edf1f6;white-space:nowrap}th{font-size:12px;color:#6d7e99;background:#f8fafe;position:sticky;top:0}tbody tr:hover{background:#fbfcff}tbody tr:last-child td{border-bottom:0}.client-link{font-weight:800;color:#275dcc;text-decoration:none}.tiny{font-size:11px;color:#8a98ac;margin-top:3px}.badge{display:inline-flex;padding:4px 8px;border-radius:999px;font-size:12px}.badge.self{background:#eaf8f1;color:#247052}.badge.referral{background:#fff5df;color:#8a651f}.good-text{color:var(--good)}.danger-text{color:var(--danger)!important}.client-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.client-tile{display:block;border:1px solid var(--line);border-radius:14px;padding:14px;text-decoration:none;color:inherit;background:linear-gradient(145deg,#fff,#fafcff)}.client-tile:hover{border-color:#aac1f9;box-shadow:0 7px 20px rgba(50,80,130,.08)}.client-title{display:flex;justify-content:space-between;font-weight:800}.tile-number{font-size:22px;font-weight:800;margin:11px 0 3px}.empty{text-align:center;padding:34px 10px;color:#8b98ac}.flash-stack{display:flex;flex-direction:column;gap:8px;margin-bottom:15px}.flash{padding:11px 13px;border-radius:11px;border:1px solid}.flash.success{background:#ecfbf3;border-color:#c9eedb;color:#176d49}.flash.error{background:#fff0f2;border-color:#ffd5db;color:#9b2940}.login-wrap{min-height:70vh;display:flex;align-items:center;justify-content:center}.login-card{width:min(430px,100%);text-align:center;padding:28px}.login-card .stack-form{text-align:left}.hero-icon{font-size:42px}.login-card h1{margin:9px 0}.icon-btn{border:0;background:transparent;cursor:pointer;padding:5px;border-radius:8px}.icon-btn:hover{background:#fff0f1}.hidden{display:none!important}.checkbox{display:flex;flex-direction:row;align-items:center;gap:8px}.checkbox input{width:auto}.details-form{margin-top:18px}details summary{cursor:pointer;font-weight:800}footer{text-align:center;color:#97a3b5;font-size:12px;padding:20px}.negative strong:first-of-type{color:var(--danger)}
@media(max-width:1050px){.stats-grid,.stats-grid.small{grid-template-columns:repeat(3,1fr)}.two-col,.two-col.equal{grid-template-columns:1fr}.client-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:720px){.page{padding:20px 13px 40px}.topbar-inner{padding:11px 13px}.topbar nav a{font-size:13px;padding:7px}.page-head{align-items:flex-start;flex-direction:column}.head-actions{width:100%}.month-form{flex:1}.month-form input{width:100%}.stats-grid,.stats-grid.small{grid-template-columns:repeat(2,1fr)}.stat-card strong{font-size:20px}.balance-banner{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}.client-grid{grid-template-columns:1fr}.calc-box{grid-template-columns:1fr}.card{padding:15px;border-radius:15px}}

/* v2: 编辑、中文月份与余额提醒 */
.month-form select{height:42px;min-width:155px;padding:9px 34px 9px 12px;font-weight:700;background:#fff}
.balance-alert{margin:-4px 0 14px;padding:12px 15px;border-radius:12px;font-size:13px;border:1px solid}
.warning-alert{background:#fff8df;border-color:#f2d984;color:#79590b}.danger-alert{background:#fff0f2;border-color:#ffc8d1;color:#9b2940}
.balance-banner.low{background:linear-gradient(135deg,#fff9e7,#fffdf5);border-color:#f1dfa1}.balance-banner.low strong:first-of-type{color:#a36d00}
.warning-text{color:#a36d00!important}.low-balance-row{background:#fffdf6}.low-balance-tile{border-color:#ead38e;background:linear-gradient(145deg,#fff,#fffbef)}
.balance-chip{display:inline-flex;margin-top:9px;padding:4px 8px;border-radius:999px;background:#fff2bf;color:#7b5a00;font-size:11px;font-weight:800}
.row-actions{display:flex;align-items:center;gap:4px}.row-actions form{margin:0}.icon-link{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;padding:5px;border-radius:8px}.icon-link:hover{background:#edf4ff}
.form-actions{display:flex;gap:9px;align-items:center}.form-actions .btn{flex:1}.editing-card{box-shadow:0 0 0 3px rgba(48,108,255,.09),var(--shadow)}
@media(max-width:720px){.month-form select{width:100%;min-width:0}.form-actions{flex-direction:column}.form-actions .btn{width:100%}}


/* v2.1 migration helpers */
.migration-card { margin-top: 18px; border-top: 3px solid #8b5cf6; }
.inline-import { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.inline-import input[type=file] { flex: 1; min-width: 240px; padding: 10px; border: 1px dashed #cbd5e1; border-radius: 10px; background: #fff; }
.compact-table { margin-top: 14px; }
@media (max-width: 720px) { .inline-import { align-items: stretch; } .inline-import .btn { width: 100%; } }


/* v2.1.1 compact balance adjustment */
.compact-adjustment-card{padding:15px 16px;margin-top:16px;border-top:3px solid #8b5cf6}
.compact-adjustment-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:11px}
.compact-adjustment-head h2{font-size:16px;margin:0 0 3px}
.compact-adjustment-head .muted{font-size:12px}
.adjustment-count{display:inline-flex;align-items:center;padding:4px 8px;border-radius:999px;background:#f3efff;color:#6d4bd8;font-size:11px;font-weight:800;white-space:nowrap}
.compact-adjustment-form{display:grid;grid-template-columns:170px 210px minmax(260px,1fr) 120px;gap:10px;align-items:end}
.compact-adjustment-form label{gap:4px}
.compact-adjustment-form label>span{font-size:11px;color:#6f7f98}
.compact-adjustment-form input{padding:9px 10px;border-radius:9px}
.compact-save{min-height:38px;height:38px}
.adjustment-history{margin-top:10px;border-top:1px solid #edf0f6;padding-top:9px}
.adjustment-history>summary{font-size:12px;color:#64748b;font-weight:700;cursor:pointer;user-select:none}
.adjustment-history[open]>summary{margin-bottom:9px}
.adjustment-history .compact-table{margin-top:0}
.adjustment-history table{min-width:650px}
.adjustment-history th,.adjustment-history td{padding:9px 11px}
@media(max-width:900px){.compact-adjustment-form{grid-template-columns:1fr 1fr}.adjustment-notes{grid-column:1 / -1}.compact-save{grid-column:1 / -1}}
@media(max-width:620px){.compact-adjustment-head{align-items:flex-start}.compact-adjustment-form{grid-template-columns:1fr}.adjustment-notes,.compact-save{grid-column:auto}.adjustment-count{display:none}}

/* v2.2 mobile / PWA */
.mobile-bottom-nav{display:none}
@media(max-width:720px){
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{font-size:14px;padding-bottom:calc(76px + env(safe-area-inset-bottom));background:linear-gradient(180deg,#eef4ff 0,#f7f9fd 130px,#f3f6fc 100%)}
  .topbar{position:sticky;top:0}
  .topbar-inner{min-height:54px;padding:9px 14px;justify-content:center}
  .brand{font-size:17px}
  .desktop-nav{display:none!important}
  .page{padding:14px 11px 26px}
  .page-head{gap:12px;margin-bottom:14px}
  .page-head h1{font-size:22px;margin-bottom:3px}
  .page-head .muted{font-size:12px}
  .head-actions{display:grid;grid-template-columns:1fr 1fr;width:100%;gap:8px}
  .head-actions .month-form{grid-column:1 / -1;width:100%}
  .head-actions .month-form select{width:100%}
  .head-actions .btn{width:100%;min-height:44px}
  .card{padding:13px;border-radius:14px;margin-bottom:12px;box-shadow:0 6px 22px rgba(36,63,115,.06)}
  .card-head{margin-bottom:11px;align-items:flex-start;gap:8px}
  .card h2{font-size:16px}
  .stats-grid,.stats-grid.small{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-bottom:12px}
  .stat-card{padding:12px;border-radius:13px;min-height:90px}
  .stat-card span{font-size:11px;margin-bottom:7px}
  .stat-card strong{font-size:19px;white-space:normal;overflow-wrap:anywhere}
  .stat-card small{font-size:10px;line-height:1.35}
  .balance-banner{padding:13px;gap:10px;margin-bottom:12px;border-radius:14px}
  .balance-banner strong{font-size:20px}
  .two-col,.two-col.equal{gap:12px}
  input,select,textarea{font-size:16px;min-height:44px;padding:10px 11px}
  textarea{min-height:78px}
  label{font-size:12px}
  .btn{min-height:44px}
  .calc-box{grid-template-columns:repeat(3,minmax(0,1fr));padding:7px}
  .calc-box div{padding:8px 6px}
  .calc-box span{font-size:9px}
  .calc-box b{font-size:13px}
  .client-grid{grid-template-columns:1fr;gap:8px}
  .client-tile{padding:13px;border-radius:13px}
  .tile-number{font-size:21px;margin:8px 0 2px}
  .migration-card .card-head{flex-direction:column}
  .migration-card .card-head .btn{width:100%}
  .inline-import input[type=file]{min-width:0;width:100%;font-size:13px}
  .compact-adjustment-card{padding:12px}
  .compact-adjustment-head h2{font-size:15px}
  .compact-adjustment-head .muted{font-size:11px}
  .compact-adjustment-form{gap:8px}
  .adjustment-history{margin-top:8px}
  footer{display:none}

  /* Convert desktop tables into touch-friendly mobile cards */
  .table-wrap{overflow:visible;border:0;border-radius:0}
  .mobile-card-table{display:block;min-width:0!important;width:100%;border:0}
  .mobile-card-table thead{display:none}
  .mobile-card-table tbody{display:block;width:100%}
  .mobile-card-table tr{display:block;width:100%;margin:0 0 9px;background:#fff;border:1px solid #e3eaf5;border-radius:13px;padding:7px 11px;box-shadow:0 3px 12px rgba(36,63,115,.04)}
  .mobile-card-table tr.low-balance-row{border-color:#ead38e;background:#fffdf6}
  .mobile-card-table td{display:grid;grid-template-columns:92px minmax(0,1fr);align-items:center;gap:8px;width:100%;padding:7px 0;border-bottom:1px dashed #edf1f6;white-space:normal;overflow-wrap:anywhere}
  .mobile-card-table td:last-child{border-bottom:0}
  .mobile-card-table td::before{font-size:11px;color:#71809a;font-weight:700}
  .mobile-card-table .tiny{margin-top:2px}
  .mobile-card-table .row-actions{justify-content:flex-start}
  .mobile-card-table .icon-link,.mobile-card-table .icon-btn{min-width:40px;min-height:40px;font-size:17px}

  .dashboard-table td:nth-child(1)::before{content:"客户"}
  .dashboard-table td:nth-child(2)::before{content:"来源"}
  .dashboard-table td:nth-child(3)::before{content:"期初余额"}
  .dashboard-table td:nth-child(4)::before{content:"预付"}
  .dashboard-table td:nth-child(5)::before{content:"你的收入"}
  .dashboard-table td:nth-child(6)::before{content:"余额调整"}
  .dashboard-table td:nth-child(7)::before{content:"FB 消耗"}
  .dashboard-table td:nth-child(8)::before{content:"新增粉丝"}
  .dashboard-table td:nth-child(9)::before{content:"粉价"}
  .dashboard-table td:nth-child(10)::before{content:"期末余额"}

  .recharge-table td:nth-child(1)::before{content:"日期"}
  .recharge-table td:nth-child(2)::before{content:"客户预付"}
  .recharge-table td:nth-child(3)::before{content:"户费"}
  .recharge-table td:nth-child(4)::before{content:"10% 抽点"}
  .recharge-table td:nth-child(5)::before{content:"广告预算"}
  .recharge-table td:nth-child(6)::before{content:"备注"}
  .recharge-table td:nth-child(7)::before{content:"操作"}

  .daily-table td:nth-child(1)::before{content:"日期"}
  .daily-table td:nth-child(2)::before{content:"FB 消耗"}
  .daily-table td:nth-child(3)::before{content:"新增粉丝"}
  .daily-table td:nth-child(4)::before{content:"累计粉丝"}
  .daily-table td:nth-child(5)::before{content:"粉价"}
  .daily-table td:nth-child(6)::before{content:"备注"}
  .daily-table td:nth-child(7)::before{content:"操作"}

  .adjustment-table td:nth-child(1)::before{content:"日期"}
  .adjustment-table td:nth-child(2)::before{content:"类型"}
  .adjustment-table td:nth-child(3)::before{content:"金额"}
  .adjustment-table td:nth-child(4)::before{content:"备注"}
  .adjustment-table td:nth-child(5)::before{content:"操作"}

  /* App-like fixed bottom navigation */
  .mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:50;display:grid;grid-template-columns:repeat(3,1fr);background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border-top:1px solid #dde5f1;padding:6px 8px calc(6px + env(safe-area-inset-bottom));box-shadow:0 -8px 30px rgba(30,50,90,.08)}
  .mobile-bottom-nav a{display:flex;min-height:52px;flex-direction:column;align-items:center;justify-content:center;gap:2px;text-decoration:none;color:#74829a;border-radius:12px;font-size:18px}
  .mobile-bottom-nav a b{font-size:10px;font-weight:700}
  .mobile-bottom-nav a.active{color:#245fe5;background:#eef4ff}

  /* Client detail is the most-used mobile screen */
  .balance-alert{margin:0 0 10px}
  .form-actions{gap:7px}
  details.card>summary{min-height:38px;display:flex;align-items:center}
}
@media(max-width:390px){
  .stats-grid,.stats-grid.small{gap:6px}
  .stat-card{padding:10px}
  .stat-card strong{font-size:17px}
  .calc-box{grid-template-columns:1fr}
  .mobile-card-table td{grid-template-columns:82px minmax(0,1fr)}
}
@media(display-mode:standalone){
  .topbar{padding-top:env(safe-area-inset-top)}
}