:root{
  --bg:#f1f5f9;
  --bg-grad:linear-gradient(135deg,#ecfeff 0%,#f0fdfa 40%,#f1f5f9 100%);
  --sidebar:#0f2e2a;
  --sidebar-2:#134e4a;
  --primary:#0d9488;
  --primary-dark:#0f766e;
  --primary-light:#ccfbf1;
  --primary-soft:#f0fdfa;
  --emerald:#10b981;
  --emerald-soft:#ecfdf5;
  --amber:#d97706;
  --amber-soft:#fffbeb;
  --danger:#e11d48;
  --danger-soft:#fff1f2;
  --card:#ffffff;
  --text:#0f172a;
  --text-2:#475569;
  --muted:#94a3b8;
  --border:#e2e8f0;
  --border-2:#cbd5e1;
  --radius:14px;
  --radius-sm:10px;
  --radius-xs:8px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.04),0 1px 3px rgba(15,23,42,.06);
  --shadow:0 4px 16px rgba(15,23,42,.06);
  --shadow-lg:0 12px 40px rgba(15,23,42,.12);
  --tr:.22s cubic-bezier(.4,0,.2,1);
  --mono:"SF Mono","Cascadia Code",Menlo,Consolas,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{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;line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
a{color:var(--primary-dark);text-decoration:none}
button{cursor:pointer;border:none;background:none}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:#94a3b8}

/* ===== Login ===== */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(135deg,#0f766e 0%,#0d9488 50%,#14b8a6 100%);position:relative;overflow:hidden}
.login-wrap::before,.login-wrap::after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.08)}
.login-wrap::before{width:480px;height:480px;top:-160px;right:-120px}
.login-wrap::after{width:360px;height:360px;bottom:-140px;left:-100px}
.login-card{position:relative;width:100%;max-width:380px;background:#fff;border-radius:20px;padding:36px 32px;box-shadow:0 24px 60px rgba(0,0,0,.25);z-index:1}
.login-card .logo{width:58px;height:58px;border-radius:16px;background:linear-gradient(135deg,#0d9488,#0f766e);display:flex;align-items:center;justify-content:center;color:#fff;font-size:28px;margin:0 auto 16px;box-shadow:0 8px 20px rgba(13,148,136,.4)}
.login-card h1{text-align:center;font-size:20px;font-weight:800;letter-spacing:.5px}
.login-card .sub{text-align:center;color:var(--muted);font-size:12px;margin:6px 0 24px}

/* ===== Form ===== */
.field{margin-bottom:14px}
.field label{display:block;font-size:12px;font-weight:600;color:var(--text-2);margin-bottom:6px;letter-spacing:.02em}
.input{width:100%;padding:11px 13px;border:1.5px solid var(--border);border-radius:var(--radius-xs);background:#f8fafc;font-size:14px;font-weight:500;outline:none;transition:all var(--tr)}
.input:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(13,148,136,.13)}
textarea.input{resize:vertical;min-height:60px}
select.input{cursor:pointer}
.input-icon{position:relative}
.input-icon .input{padding-left:38px}
.input-icon .ic{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:16px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:11px 18px;background:linear-gradient(135deg,#0d9488,#0f766e);color:#fff;border-radius:var(--radius-xs);font-weight:700;font-size:14px;transition:all var(--tr);box-shadow:0 4px 12px rgba(13,148,136,.25);border:none;white-space:nowrap}
.btn:hover{transform:translateY(-1px);box-shadow:0 7px 18px rgba(13,148,136,.35)}
.btn:active{transform:scale(.98)}
.btn.block{width:100%}
.btn.sm{padding:8px 14px;font-size:12.5px}
.btn.xs{padding:6px 11px;font-size:12px}
.btn.outline{background:#fff;color:var(--primary-dark);border:1.5px solid var(--primary);box-shadow:none}
.btn.outline:hover{background:var(--primary-soft);box-shadow:none}
.btn.ghost{background:transparent;color:var(--text-2);box-shadow:none;border:1.5px solid var(--border)}
.btn.ghost:hover{background:#f8fafc;box-shadow:none;color:var(--text)}
.btn.danger{background:linear-gradient(135deg,#e11d48,#be123c);box-shadow:0 4px 12px rgba(225,29,72,.25)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.btn-row{display:flex;gap:8px;flex-wrap:wrap}

/* ===== Layout ===== */
.app{display:flex;min-height:100vh}
.sidebar{width:236px;background:var(--sidebar);color:#cbd5e1;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:40;transition:transform var(--tr)}
.sidebar .brand{padding:22px 20px;display:flex;align-items:center;gap:11px;border-bottom:1px solid rgba(255,255,255,.07)}
.sidebar .brand .logo{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,#14b8a6,#0d9488);display:flex;align-items:center;justify-content:center;font-size:20px;color:#fff;flex-shrink:0}
.sidebar .brand .name{font-size:15px;font-weight:700;color:#fff;line-height:1.2}
.sidebar .brand .name small{display:block;font-size:11px;font-weight:400;color:#94a3b8;margin-top:2px}
.nav{padding:12px 12px;flex:1;overflow-y:auto}
.nav-item{display:flex;align-items:center;gap:11px;padding:11px 13px;border-radius:10px;color:#94a3b8;font-weight:600;font-size:13.5px;cursor:pointer;transition:all var(--tr);margin-bottom:3px;user-select:none}
.nav-item:hover{background:rgba(255,255,255,.05);color:#e2e8f0}
.nav-item.active{background:linear-gradient(135deg,rgba(13,148,136,.35),rgba(13,148,136,.15));color:#fff;box-shadow:inset 0 0 0 1px rgba(20,184,166,.3)}
.nav-item .ic{font-size:17px;width:20px;text-align:center;flex-shrink:0}
.nav-section{font-size:10px;color:#64748b;text-transform:uppercase;letter-spacing:.08em;padding:14px 13px 6px;font-weight:700}
.sidebar .foot{padding:14px 18px;border-top:1px solid rgba(255,255,255,.07);font-size:11px;color:#64748b}
.sidebar .foot .user{color:#e2e8f0;font-weight:600;margin-bottom:2px}

.main{flex:1;margin-left:236px;min-width:0;display:flex;flex-direction:column}
.topbar{height:60px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:14px;padding:0 24px;position:sticky;top:0;z-index:30}
.topbar .page-title{font-size:17px;font-weight:800;flex:1}
.topbar .page-title small{font-weight:500;color:var(--muted);font-size:12px;margin-left:8px}
.content{padding:24px;flex:1;max-width:1180px;width:100%;margin:0 auto}

/* ===== Cards / Stats ===== */
.grid{display:grid;gap:16px}
.grid.stats{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.grid.cols-2{grid-template-columns:1fr 1fr}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow-sm)}
.card .h{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;gap:10px;flex-wrap:wrap}
.card .h h3{font-size:15px;font-weight:700;display:flex;align-items:center;gap:8px}
.card .h .sub{font-size:12px;color:var(--muted);font-weight:500}

.stat-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px;position:relative;overflow:hidden;box-shadow:var(--shadow-sm)}
.stat-card .ic{width:40px;height:40px;border-radius:11px;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:12px}
.stat-card .label{font-size:12px;color:var(--muted);font-weight:600;letter-spacing:.02em}
.stat-card .val{font-size:24px;font-weight:800;margin-top:4px;font-family:var(--mono);letter-spacing:-.5px}
.stat-card .meta{font-size:11px;color:var(--muted);margin-top:4px}
.stat-card.amber .ic{background:var(--amber-soft);color:var(--amber)}
.stat-card.emerald .ic{background:var(--emerald-soft);color:var(--emerald)}
.stat-card.teal .ic{background:var(--primary-light);color:var(--primary-dark)}
.stat-card.slate .ic{background:#f1f5f9;color:#475569}

.clickable{cursor:pointer;transition:all var(--tr)}
.stat-card.clickable:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--primary)}
.batch-item.clickable:active{transform:scale(.99)}

/* ===== Badges ===== */
.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border-radius:20px;font-size:11.5px;font-weight:700;line-height:1.5}
.badge.ok{background:var(--emerald-soft);color:#047857}
.badge.pend{background:var(--amber-soft);color:#b45309}
.badge.neutral{background:#f1f5f9;color:#475569}
.badge.teal{background:var(--primary-light);color:var(--primary-dark)}
.dot{width:7px;height:7px;border-radius:50%;display:inline-block}
.dot.ok{background:var(--emerald)}
.dot.pend{background:var(--amber)}

/* ===== Table ===== */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:#fff}
table.data{width:100%;border-collapse:collapse;font-size:13px}
table.data th{background:#f8fafc;text-align:left;padding:11px 14px;font-weight:700;color:var(--text-2);font-size:12px;border-bottom:1px solid var(--border);white-space:nowrap;position:sticky;top:0}
table.data td{padding:12px 14px;border-bottom:1px solid #f1f5f9;vertical-align:middle}
table.data tr:last-child td{border-bottom:none}
table.data tr:hover td{background:#fafdfd}
.cell-amount{font-family:var(--mono);font-weight:700;color:var(--primary-dark);white-space:nowrap}
.cell-note{max-width:220px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text-2)}
.cell-date{white-space:nowrap;font-weight:600}
.row-actions{display:flex;gap:2px;white-space:nowrap}
.icon-btn{width:30px;height:30px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;color:var(--muted);transition:all var(--tr);font-size:15px}
.icon-btn:hover{background:#f1f5f9;color:var(--text)}
.icon-btn.del:hover{background:var(--danger-soft);color:var(--danger)}
.thumb{width:42px;height:42px;border-radius:8px;object-fit:cover;border:1px solid var(--border);cursor:pointer;background:#f8fafc}
.file-chip{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;background:var(--primary-soft);color:var(--primary-dark);border-radius:6px;font-size:11.5px;font-weight:600}

/* ===== Toolbar / filters ===== */
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.toolbar .grow{flex:1;min-width:140px}
.seg{display:inline-flex;background:#f1f5f9;border-radius:10px;padding:3px;gap:2px}
.seg button{padding:7px 14px;border-radius:8px;font-size:12.5px;font-weight:600;color:var(--text-2);transition:all var(--tr)}
.seg button.active{background:#fff;color:var(--primary-dark);box-shadow:var(--shadow-sm)}

/* ===== Modal ===== */
.modal-bg{position:fixed;inset:0;background:rgba(15,23,42,.45);backdrop-filter:blur(2px);z-index:80;display:none;align-items:center;justify-content:center;padding:16px}
.modal-bg.show{display:flex}
.modal{background:#fff;border-radius:16px;width:100%;max-width:460px;max-height:92vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:pop .2s ease}
.modal.lg{max-width:640px}
@keyframes pop{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}
.modal .mhead{padding:18px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:between}
.modal .mhead h3{font-size:16px;font-weight:800;flex:1}
.modal .mbody{padding:20px}
.modal .mfoot{padding:14px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}
.close-x{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:20px}
.close-x:hover{background:#f1f5f9;color:var(--text)}

/* invoice section */
.inv-box{background:var(--primary-soft);border:1px solid var(--primary-light);border-radius:12px;padding:14px;margin-top:6px}
.inv-box .ih{font-size:13px;font-weight:700;color:var(--primary-dark);margin-bottom:12px;display:flex;align-items:center;gap:6px}
.inv-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.upload-area{border:1.5px dashed var(--border-2);border-radius:10px;padding:16px;text-align:center;cursor:pointer;transition:all var(--tr);background:#fff}
.upload-area:hover{border-color:var(--primary);background:var(--primary-soft)}
.upload-area.has{border-style:solid;border-color:var(--primary);background:var(--primary-soft)}
.upload-area .ut{font-size:13px;font-weight:600;color:var(--primary-dark)}
.upload-area .us{font-size:11px;color:var(--muted);margin-top:3px}

/* empty */
.empty{text-align:center;padding:54px 20px;color:var(--muted)}
.empty .ic{font-size:46px;opacity:.5;margin-bottom:10px}
.empty p{font-size:13px}

/* toast */
.toast-wrap{position:fixed;top:18px;left:50%;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:8px;align-items:center}
.toast{background:#0f172a;color:#fff;padding:10px 20px;border-radius:30px;font-size:13px;font-weight:600;box-shadow:var(--shadow-lg);opacity:0;transform:translateY(-8px);transition:all .3s;max-width:90vw}
.toast.show{opacity:1;transform:none}
.toast.success{background:linear-gradient(135deg,#059669,#10b981)}
.toast.error{background:linear-gradient(135deg,#e11d48,#f43f5e)}

/* batch list */
.batch-item{display:flex;align-items:center;gap:14px;padding:14px 16px;border:1px solid var(--border);border-radius:12px;background:#fff;margin-bottom:10px;transition:all var(--tr)}
.batch-item:hover{border-color:var(--primary);box-shadow:var(--shadow-sm)}
.batch-item .b-ic{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,#0d9488,#0f766e);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.batch-item .b-info{flex:1;min-width:0}
.batch-item .b-name{font-weight:700;font-size:14px}
.batch-item .b-meta{font-size:12px;color:var(--muted);margin-top:3px}
.batch-item .b-amt{font-family:var(--mono);font-weight:800;color:var(--primary-dark);font-size:17px;white-space:nowrap}

/* mobile */
.mobile-bar{display:none;height:calc(56px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--border);position:fixed;bottom:0;left:0;right:0;z-index:40;align-items:center;justify-content:space-around}
.mobile-bar .m-item{display:flex;flex-direction:column;align-items:center;gap:3px;color:var(--muted);font-size:10.5px;font-weight:600;padding:8px 10px;flex:1;min-width:0}
.mobile-bar .m-item .ic{font-size:19px;line-height:1}
.mobile-bar .m-item.active{color:var(--primary-dark)}
.menu-btn{display:none;width:40px;height:40px;border-radius:10px;align-items:center;justify-content:center;font-size:21px;color:var(--text)}
.scrim{display:none;position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:39}

@media(max-width:980px){
  .grid.stats{grid-template-columns:repeat(2,1fr)}
  .grid.cols-3{grid-template-columns:1fr}
}
@media(max-width:860px){
  .sidebar{transform:translateX(-100%);width:260px}
  .sidebar.open{transform:none;box-shadow:var(--shadow-lg)}
  .main{margin-left:0}
  .menu-btn{display:inline-flex}
  .scrim.show{display:block}
  .grid.cols-2{grid-template-columns:1fr}
  .topbar .page-title{font-size:16px}
  .topbar #btnLogout{padding:8px 12px;font-size:0}
  .topbar #btnLogout::before{content:"⏻";font-size:18px}
}
@media(max-width:560px){
  .grid.stats{grid-template-columns:1fr 1fr;gap:12px}
  .content{padding:14px;padding-bottom:calc(90px + env(safe-area-inset-bottom))}
  .topbar{height:54px;padding:0 12px}
  .card{padding:15px;border-radius:12px}
  .stat-card{padding:15px}
  .stat-card .val{font-size:20px}
  .stat-card .ic{width:36px;height:36px;font-size:18px}
  .inv-grid{grid-template-columns:1fr}
  .mobile-bar{display:flex}
  .modal{max-width:100%;border-radius:14px 14px 0 0;align-self:flex-end;width:100%;max-height:92vh}
  .modal.lg{align-self:flex-end;max-width:100%}
  .modal-bg{align-items:flex-end;padding:0}
  .modal .mfoot{flex-direction:column-reverse}
  .modal .mfoot .btn{width:100%}
  .modal .mhead{padding:16px 16px 14px}
  .modal .mbody{padding:16px}
  .input{padding:12px 13px;font-size:16px}
  select.input{font-size:16px}
  .btn{padding:12px 18px;font-size:14.5px}
  .icon-btn{width:38px;height:38px;font-size:16px}
  .login-card{padding:30px 22px;max-width:340px;border-radius:18px}
  .login-card .logo{width:52px;height:52px;font-size:25px}
  .login-card h1{font-size:19px}
  .toast{font-size:12.5px;padding:9px 18px;max-width:92vw}
}

/* ===== mobile card list (records) ===== */
@media(max-width:720px){
  table.data{display:none}
  .rec-cards{display:flex;flex-direction:column;gap:10px}
  .rec-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:13px 14px;box-shadow:var(--shadow-sm)}
  .rec-card .rc-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:8px}
  .rec-card .rc-date{font-size:13px;font-weight:700;color:var(--text)}
  .rec-card .rc-cat{font-size:11.5px;color:var(--muted);margin-top:2px}
  .rec-card .rc-amt{font-family:var(--mono);font-weight:800;color:var(--primary-dark);font-size:17px;white-space:nowrap}
  .rec-card .rc-meta{font-size:12px;color:var(--text-2);margin-bottom:8px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .rec-card .rc-meta b{color:var(--text)}
  .rec-card .rc-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;border-top:1px solid #f1f5f9;padding-top:9px}
  .rec-card .rc-status{display:flex;align-items:center;gap:6px}
  .rec-card .rc-actions{display:flex;gap:2px}
  .rec-card .rc-inv{font-size:11.5px;color:var(--primary-dark);font-weight:600;display:inline-flex;align-items:center;gap:3px}
}
@media(min-width:721px){ .rec-cards{display:none} }

/* ===== mobile card list (settle) ===== */
@media(max-width:720px){
  .settle-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:12px 14px;display:flex;align-items:center;gap:12px;margin-bottom:9px}
  .settle-card .sc-check{width:22px;height:22px;flex-shrink:0;accent-color:var(--primary)}
  .settle-card .sc-info{flex:1;min-width:0}
  .settle-card .sc-date{font-size:13.5px;font-weight:700}
  .settle-card .sc-meta{font-size:11.5px;color:var(--muted);margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .settle-card .sc-amt{font-family:var(--mono);font-weight:800;color:var(--primary-dark);font-size:15px;white-space:nowrap}
}
@media(min-width:721px){ .settle-cards{display:none} }

/* ===== mobile toolbar ===== */
@media(max-width:560px){
  .toolbar{gap:8px}
  .toolbar .input,.toolbar select.input{width:100%!important;min-width:0!important;flex:1 1 100%}
  .toolbar .seg{flex:1 1 100%;justify-content:space-between}
  .toolbar .seg button{flex:1;text-align:center}
  .toolbar > input[type=date]{flex:1 1 calc(50% - 8px);width:auto!important;min-width:0!important}
  .toolbar .grow{flex:1 1 100%}
}

/* ===== Settings ===== */
.settings-wrap{max-width:600px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.sys-info{margin-top:4px}
.sys-rows{display:flex;flex-direction:column;gap:2px}
.sys-row{display:flex;align-items:center;gap:12px;padding:10px 4px;border-bottom:1px solid #f1f5f9;font-size:13px}
.sys-row:last-child{border-bottom:none}
.sys-row .sys-ic{width:26px;text-align:center;font-size:16px;flex-shrink:0}
.sys-row .sys-k{font-weight:600;color:var(--text-2);min-width:88px;flex-shrink:0}
.sys-row .sys-v{color:var(--text);font-weight:500;flex:1;word-break:break-all}

.backup-grid{display:flex;flex-direction:column;gap:10px}
.backup-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--border);border-radius:12px;background:#fff;transition:all var(--tr)}
.backup-item:hover{border-color:var(--primary);box-shadow:var(--shadow-sm)}
.backup-item .bi-ic{width:38px;height:38px;border-radius:10px;background:var(--primary-soft);color:var(--primary-dark);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.backup-item .bi-info{flex:1;min-width:0}
.backup-item .bi-name{font-weight:700;font-size:13.5px}
.backup-item .bi-desc{font-size:11.5px;color:var(--muted);margin-top:2px}
.backup-tip{margin-top:12px;font-size:12px;color:var(--text-2);background:var(--primary-soft);border:1px solid var(--primary-light);border-radius:10px;padding:10px 12px;line-height:1.6}

.danger-card{border-color:#fecaca;background:var(--danger-soft)}
.danger-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid #fecaca;border-radius:12px;background:#fff;margin-bottom:10px}
.danger-item:last-of-type{margin-bottom:0}
.danger-item .di-info{flex:1;min-width:0}
.danger-item .di-name{font-weight:700;font-size:13.5px;color:var(--danger)}
.danger-item .di-desc{font-size:11.5px;color:var(--muted);margin-top:2px}

@media(max-width:560px){
  .settings-wrap{max-width:100%}
  .backup-item,.danger-item{flex-wrap:wrap}
  .backup-item .btn,.danger-item .btn{width:100%;margin-top:6px}
}