:root{
  --bg:#f3f8fd;--bg2:#edf5fc;--panel:#fff;--panel-soft:#f8fbfe;--ink:#102a43;--ink2:#234a69;--muted:#6f88a1;
  --line:#d6e5f2;--line2:#e8f0f7;--blue:#155b8d;--blue2:#2076ad;--blue-soft:#eaf5fd;--blue-soft2:#f3f9fe;
  --green:#157a58;--green-bg:#e9f8f1;--amber:#8a5b00;--amber-bg:#fff3d5;--red:#a5262d;--red-bg:#fff0f1;
  --shadow:0 8px 24px rgba(35,74,105,.06);--radius:16px;--sidebar:262px;
}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit}.hidden{display:none!important}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}.muted{color:var(--muted)}

/* Auth */
.auth-page{min-height:100vh;display:grid;grid-template-columns:minmax(360px,520px) 1fr;background:linear-gradient(135deg,#f7fbff 0%,#edf6fd 55%,#e5f2fb 100%)}
.auth-panel{background:#fff;border-right:1px solid var(--line);padding:54px 58px;display:flex;flex-direction:column;justify-content:center}.auth-brand{display:flex;align-items:center;gap:16px;margin-bottom:34px}.auth-brand img{width:96px;height:auto}.auth-brand-copy strong{display:block;font-size:15px;letter-spacing:.12em}.auth-brand-copy span{display:block;color:var(--muted);font-size:12px;margin-top:4px}.auth-card h1{font-size:34px;letter-spacing:-.04em;margin:0 0 8px}.auth-card>p{color:var(--muted);font-size:14px;line-height:1.7;margin:0 0 28px}.auth-visual{display:flex;align-items:center;justify-content:center;padding:60px}.auth-visual-card{width:min(760px,90%);border:1px solid rgba(21,91,141,.12);background:rgba(255,255,255,.65);backdrop-filter:blur(14px);border-radius:28px;padding:42px;box-shadow:0 30px 80px rgba(21,91,141,.09)}.auth-visual-card .eyebrow{font-size:11px;color:var(--blue);font-weight:900;letter-spacing:.18em}.auth-visual-card h2{font-size:42px;line-height:1.1;margin:14px 0 16px;letter-spacing:-.04em}.auth-visual-card p{color:var(--muted);font-size:15px;max-width:620px;line-height:1.8}.auth-points{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}.auth-point{padding:16px;border:1px solid var(--line);border-radius:14px;background:#fff}.auth-point strong{font-size:12px}.auth-point span{display:block;font-size:11px;color:var(--muted);margin-top:5px;line-height:1.5}

/* Form */
.field{display:grid;gap:7px;margin-bottom:14px}.field label{font-size:12px;font-weight:800;color:var(--ink2)}.input,.select,.textarea{width:100%;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);padding:11px 13px;outline:none;transition:.15s}.input:focus,.select:focus,.textarea:focus{border-color:#78add0;box-shadow:0 0 0 4px rgba(32,118,173,.08)}.textarea{min-height:90px;resize:vertical}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 14px}.span-2{grid-column:span 2}.form-note{font-size:11px;line-height:1.6;color:var(--muted);background:var(--blue-soft2);border:1px solid var(--line);border-radius:12px;padding:11px 13px;margin:8px 0 14px}.security-note{font-size:11px;line-height:1.6;color:#5f7285;background:#f8fbfd;border:1px solid var(--line);border-radius:12px;padding:12px}
.btn{border:1px solid transparent;border-radius:11px;min-height:40px;padding:0 15px;display:inline-flex;align-items:center;justify-content:center;gap:7px;font-size:12px;font-weight:850}.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:#104f7b}.btn-secondary{background:#fff;color:var(--ink);border-color:var(--line)}.btn-soft{background:var(--blue-soft);color:var(--blue);border-color:#cfe5f4}.btn-success{background:var(--green-bg);color:var(--green);border-color:#bde6d7}.btn-danger{background:var(--red-bg);color:var(--red);border-color:#f0c7ca}.btn-amber{background:var(--amber-bg);color:var(--amber);border-color:#efd595}.btn-block{width:100%;min-height:50px}.btn-small{min-height:32px;padding:0 10px;font-size:11px}.btn-icon{width:38px;padding:0}.btn:disabled{opacity:.5;cursor:not-allowed}

/* App shell */
.app-shell{min-height:100vh;display:grid;grid-template-columns:var(--sidebar) minmax(0,1fr)}.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar);background:#fff;border-right:1px solid var(--line);padding:16px 14px;overflow:auto;z-index:20}.brand-block{padding:4px 7px 18px;border-bottom:1px solid var(--line)}.brand-block img{width:100px;height:auto}.brand-en{font-size:11px;letter-spacing:.14em;font-weight:900;margin-top:10px}.brand-cn{font-size:12px;font-weight:800;margin-top:5px;color:var(--ink2)}.brand-sub{font-size:9px;letter-spacing:.13em;color:#a1b4c7;font-weight:800;margin-top:8px}.nav-section{margin-top:19px}.nav-label{font-size:9px;letter-spacing:.16em;color:#9ab0c3;font-weight:900;padding:0 8px 7px}.nav-item{width:100%;border:1px solid transparent;background:transparent;color:#46657f;padding:10px 10px;border-radius:12px;display:flex;align-items:center;gap:10px;text-align:left;margin:3px 0;font-size:12px;font-weight:800}.nav-item:hover{background:#f6faff;color:var(--ink)}.nav-item.active{background:var(--blue-soft);border-color:#c9e2f3;color:#124f7c}.nav-icon{width:28px;height:28px;border-radius:8px;background:#f0f6fb;display:grid;place-items:center;font-size:13px}.nav-item.active .nav-icon{background:#d7ecfa;color:var(--blue)}.sidebar-info{margin-top:20px;border:1px solid #cfe2f1;background:#f2f9fe;border-radius:13px;padding:11px;color:#42637d}.sidebar-info strong{display:block;font-size:9px;letter-spacing:.12em;color:#2d6f9c}.sidebar-info span{display:block;font-size:9px;margin-top:4px}.sidebar-user{margin-top:16px;padding:16px 7px 4px;border-top:1px solid var(--line);display:grid;grid-template-columns:38px 1fr auto;gap:9px;align-items:center}.avatar{width:38px;height:38px;border-radius:11px;background:linear-gradient(145deg,#153e5f,#2076ad);color:#fff;display:grid;place-items:center;font-weight:900}.sidebar-user strong{display:block;font-size:12px}.sidebar-user span{display:block;font-size:9px;color:var(--muted);margin-top:3px}.main{grid-column:2;min-width:0}.topbar{height:76px;background:rgba(255,255,255,.93);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 26px;position:sticky;top:0;z-index:12}.topbar-copy .eyebrow{font-size:9px;letter-spacing:.14em;color:var(--blue);font-weight:900}.topbar-copy h1{font-size:20px;margin:4px 0 0}.topbar-copy p{font-size:10px;color:var(--muted);margin:3px 0 0}.topbar-actions{display:flex;align-items:center;gap:10px}.lang-toggle{display:flex;background:#edf5fb;border:1px solid var(--line);border-radius:999px;padding:3px}.lang-btn{border:0;background:transparent;border-radius:999px;min-width:38px;height:30px;color:#617b93;font-size:10px;font-weight:900}.lang-btn.active{background:#fff;color:var(--blue);box-shadow:0 2px 7px rgba(35,74,105,.08)}.top-badge{height:36px;display:flex;align-items:center;padding:0 13px;border:1px solid var(--line);border-radius:11px;background:#fff;font-size:10px;font-weight:900;letter-spacing:.04em}.live-badge{color:var(--green);border-color:#bee8da;background:#effaf5}.content{padding:28px 30px 56px}.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:20px}.page-head h2{margin:0;font-size:28px;letter-spacing:-.04em}.page-head p{margin:6px 0 0;color:var(--muted);font-size:12px;line-height:1.6}.page-actions{display:flex;gap:9px;flex-wrap:wrap}

/* Cards/table */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:18px}.metric-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:17px 18px;box-shadow:var(--shadow)}.metric-label{font-size:11px;color:var(--muted);font-weight:800}.metric-value{font-size:27px;font-weight:900;letter-spacing:-.04em;margin-top:10px}.metric-hint{font-size:10px;color:#8aa0b4;margin-top:5px}.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.panel+.panel{margin-top:16px}.panel-head{padding:15px 17px;border-bottom:1px solid var(--line2);display:flex;align-items:center;justify-content:space-between;gap:12px}.panel-head h3{font-size:14px;margin:0}.panel-head p{font-size:10px;color:var(--muted);margin:4px 0 0}.panel-body{padding:17px}.dashboard-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(320px,.85fr);gap:17px}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse;min-width:980px}.table th{background:#f7fbfe;color:#67849c;font-size:9px;letter-spacing:.08em;text-transform:uppercase;text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);white-space:nowrap}.table td{padding:12px;border-bottom:1px solid #eaf1f7;font-size:11px;vertical-align:middle}.table tbody tr{cursor:pointer}.table tbody tr:hover td{background:#f8fbfe}.amount{text-align:right!important;font-variant-numeric:tabular-nums;font-weight:900}.filter-bar{display:grid;grid-template-columns:minmax(240px,1fr) 170px 170px 150px 150px;gap:9px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:15px;margin-bottom:14px}.filter-bar .input,.filter-bar .select{margin:0}.empty{padding:50px 18px;text-align:center;color:var(--muted);font-size:12px}.empty strong{display:block;color:var(--ink);font-size:15px;margin-bottom:6px}
.status{display:inline-flex;align-items:center;gap:5px;padding:5px 9px;border-radius:999px;font-size:9px;font-weight:900;white-space:nowrap}.status:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.7}.status-draft{background:#eff4f8;color:#60798f}.status-account_review{background:#e5f3fd;color:#1b69a1}.status-management_review{background:#fff1ce;color:#8a5a00}.status-approved{background:#e7f7ef;color:#177453}.status-rejected{background:#ffedef;color:#a22a31}.status-cancelled{background:#f1f1f1;color:#6a6a6a}.status-unpaid{background:#f0f4f7;color:#63798c}.status-scheduled{background:#eaf3fb;color:#366e99}.status-paid{background:#e7f7ef;color:#177453}.archive{display:inline-flex;align-items:center;padding:5px 8px;border-radius:8px;font-size:9px;font-weight:900}.archive-completed{background:#e7f7ef;color:#177453}.archive-r2_uploaded,.archive-drive_uploading,.archive-drive_verified_cleanup_pending{background:#e9f4fd;color:#286d9c}.archive-transfer_failed{background:#ffedef;color:#a22a31}

/* Modals / detail */
.overlay{position:fixed;inset:0;background:rgba(13,39,60,.45);backdrop-filter:blur(3px);z-index:50;display:grid;place-items:center;padding:20px}.modal{width:min(1040px,100%);max-height:94vh;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 30px 90px rgba(12,46,70,.24);overflow:auto}.modal-small{width:min(540px,100%)}.modal-head{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:flex-start;gap:16px;position:sticky;top:0;background:#fff;z-index:2}.modal-head h3{margin:0;font-size:19px}.modal-head p{margin:5px 0 0;font-size:10px;color:var(--muted)}.close-btn{width:36px;height:36px;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--ink);font-size:18px}.modal-body{padding:20px}.modal-foot{padding:14px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:9px;flex-wrap:wrap;position:sticky;bottom:0;background:#fff}.section-title{font-size:12px;font-weight:900;margin:20px 0 10px;color:var(--ink2);letter-spacing:.02em}.detail-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.detail-cell{border:1px solid var(--line);background:#f8fbfe;border-radius:12px;padding:11px}.detail-cell span{display:block;font-size:9px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:900}.detail-cell strong{display:block;font-size:11px;margin-top:5px;line-height:1.45}.item-card{border:1px solid var(--line);border-radius:14px;background:#fbfdff;padding:13px;margin-bottom:10px}.item-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}.item-head strong{font-size:12px}.item-grid{display:grid;grid-template-columns:1.1fr 1.4fr 1.1fr .8fr .8fr;gap:9px}.item-extra{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:9px;padding-top:10px;border-top:1px dashed var(--line)}.attachment-list{display:grid;gap:8px}.attachment-row{display:grid;grid-template-columns:minmax(220px,1fr) 140px 100px auto;gap:10px;align-items:center;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px}.attachment-name{min-width:0}.attachment-name strong{display:block;font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.attachment-name span{font-size:9px;color:var(--muted)}.upload-box{border:1.5px dashed #a9c7dd;border-radius:14px;background:#f6fbff;padding:15px;text-align:center;margin-top:10px}.timeline{display:grid;gap:10px}.timeline-item{display:grid;grid-template-columns:13px 1fr;gap:10px}.timeline-dot{width:10px;height:10px;border-radius:50%;margin-top:3px;background:#8fb4cf}.timeline-dot.done{background:var(--green)}.timeline-copy strong{display:block;font-size:11px}.timeline-copy span{display:block;color:var(--muted);font-size:9px;margin-top:3px}.mfa-secret{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#102f49;color:#eaf5fd;border-radius:10px;padding:11px;word-break:break-all;font-size:11px;margin:10px 0}.alert{border-radius:13px;padding:12px 14px;font-size:11px;line-height:1.6;margin-bottom:14px}.alert-info{background:#eef7fd;border:1px solid #cde4f4;color:#356783}.alert-warning{background:#fff7e5;border:1px solid #eed69c;color:#775310}.alert-danger{background:#fff0f1;border:1px solid #efc7cb;color:#8f282f}

/* reports */
.report-filters{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:15px}.report-filters .input{width:160px}.chart-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.chart-card{border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}.chart-card h3{margin:0;font-size:13px}.chart-card p{font-size:9px;color:var(--muted);margin:4px 0 14px}.bar-list{display:grid;gap:9px}.bar-row{display:grid;grid-template-columns:130px 1fr 90px;gap:9px;align-items:center;font-size:10px}.bar-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bar-track{height:9px;background:#eaf2f8;border-radius:999px;overflow:hidden}.bar-fill{height:100%;background:linear-gradient(90deg,#1a5f91,#74b5dc);border-radius:999px}.bar-value{text-align:right;font-weight:900}.line-svg{width:100%;height:220px}.small-note{font-size:10px;color:var(--muted);line-height:1.6}

/* management */
.management-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.master-list{display:grid;gap:7px}.master-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 11px;border:1px solid var(--line2);border-radius:11px;background:#fbfdff}.master-row strong{font-size:11px}.master-row span{font-size:9px;color:var(--muted)}

#toast-root{position:fixed;right:20px;bottom:20px;z-index:100;display:grid;gap:8px}.toast{max-width:380px;background:#123650;color:#fff;border-radius:12px;padding:11px 14px;box-shadow:0 18px 45px rgba(12,46,70,.24);font-size:11px;line-height:1.5}.toast.success{background:#176848}.toast.error{background:#8b262d}

@media(max-width:1180px){.metric-grid{grid-template-columns:repeat(2,1fr)}.dashboard-grid,.chart-grid{grid-template-columns:1fr}.filter-bar{grid-template-columns:1fr 1fr 1fr}.detail-grid{grid-template-columns:repeat(2,1fr)}.management-grid{grid-template-columns:1fr}}
@media(max-width:820px){:root{--sidebar:0px}.app-shell{display:block}.sidebar{position:static;width:100%;height:auto}.main{grid-column:auto}.topbar{position:static;padding:0 15px}.content{padding:18px 14px 40px}.page-head{align-items:flex-start;flex-direction:column}.metric-grid{grid-template-columns:1fr}.filter-bar{grid-template-columns:1fr}.auth-page{display:block}.auth-panel{min-height:100vh;border:0;padding:32px 24px}.auth-visual{display:none}.form-grid,.detail-grid,.item-grid,.item-extra{grid-template-columns:1fr}.span-2{grid-column:auto}.attachment-row{grid-template-columns:1fr}.top-badge{display:none}.table{min-width:900px}}
.donut-layout{display:grid;grid-template-columns:190px 1fr;gap:22px;align-items:center}.donut{width:178px;height:178px;border-radius:50%;display:grid;place-items:center;margin:auto}.donut-hole{width:108px;height:108px;border-radius:50%;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;border:1px solid var(--line)}.donut-hole strong{font-size:14px}.donut-hole span{font-size:9px;color:var(--muted);margin-top:4px}.donut-legend{display:grid;gap:6px}.donut-legend-row{border:0;background:transparent;display:grid;grid-template-columns:10px 1fr auto;gap:8px;align-items:center;text-align:left;padding:6px 4px;border-radius:8px;color:var(--ink)}.donut-legend-row:hover{background:#f3f8fd}.donut-legend-row i{width:9px;height:9px;border-radius:3px}.donut-legend-row span{font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.donut-legend-row strong{font-size:10px}
@media(max-width:620px){.donut-layout{grid-template-columns:1fr}.donut{width:160px;height:160px}}

/* V0.2.1 */
.auth-visual-simple{max-width:760px}.auth-register-btn{margin-top:12px}.google-login-wrap{margin-bottom:16px}.google-login-wrap #google-login-button{min-height:44px;display:flex;align-items:center}.auth-divider{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:9px;font-weight:800;margin:12px 0}.auth-divider:before,.auth-divider:after{content:"";height:1px;background:var(--line);flex:1}.check-row{display:flex;gap:8px;align-items:center;font-size:11px;font-weight:800;color:var(--ink2);margin:4px 0 14px}
.item-grid-v021{grid-template-columns:1.05fr 1.45fr 1.15fr .8fr}.customer-combobox{position:relative;min-width:0}.customer-search-results{position:absolute;z-index:12;left:0;right:0;top:calc(100% + 5px);max-height:300px;overflow:auto;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:0 16px 38px rgba(12,46,70,.16);padding:5px}.customer-search-option{width:100%;border:0;background:#fff;text-align:left;padding:9px 10px;border-radius:8px;color:var(--ink);cursor:pointer}.customer-search-option:hover,.customer-search-option.active{background:#eef7fd}.customer-search-option strong{display:block;font-size:10px}.customer-search-option span{display:block;margin-top:3px;color:var(--muted);font-size:8px;line-height:1.35;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.customer-search-empty{padding:10px;color:var(--muted);font-size:9px}.amount-input-wrap{position:relative}.amount-input-wrap .input{padding-bottom:20px}.amount-input-wrap span{position:absolute;left:13px;bottom:5px;font-size:8px;color:var(--muted);font-weight:800;pointer-events:none}
.management-grid{align-items:stretch}.management-grid>.master-panel{height:480px;display:flex;flex-direction:column}.master-panel .panel-head{flex:0 0 auto}.master-panel-body{min-height:0;flex:1;overflow:auto}.master-copy{min-width:0;flex:1}.master-row strong,.master-row span{display:block}.master-row strong{font-size:11px;line-height:1.35}.master-row span{font-size:9px;color:var(--muted);line-height:1.45;margin-top:4px;word-break:break-word}.master-row{align-items:flex-start}.master-row .btn{flex:0 0 auto}
@media(max-width:1180px){.management-grid>.master-panel{height:420px}}
@media(max-width:820px){.item-grid-v021{grid-template-columns:1fr}.management-grid>.master-panel{height:auto;max-height:520px}.google-login-wrap #google-login-button{justify-content:center}}

/* V0.2.1 HOTFIX1 alignment */
.dashboard-grid>.panel+.panel,.management-grid>.panel+.panel{margin-top:0}
.dashboard-grid{align-items:stretch}.dashboard-grid>.panel{height:100%}
.management-grid{align-items:start}.management-grid>.master-panel{margin-top:0}
.master-panel .panel-head{min-height:62px}
.master-panel .panel-head>div{min-width:0}.master-panel .panel-head .page-actions{flex:0 0 auto}

.official-pdf-ready{border-color:#b7dfca;background:#effaf4;color:#176b4d}


/* HOTFIX6 - receipt-to-item linking */
.receipt-upload-box{padding:16px}.receipt-upload-grid{display:grid;grid-template-columns:minmax(260px,.9fr) minmax(320px,1.1fr);gap:12px;align-items:end}.attachment-item-link{display:block;margin-top:4px;font-size:12px;color:#376b91;font-weight:600}.receipt-upload-box .small-note{margin-top:10px;display:block}@media(max-width:820px){.receipt-upload-grid{grid-template-columns:1fr}}