:root{--c-ink:#0d0d0b;--c-ink-80:#2c2c2a;--c-ink-60:#4a4a47;--c-ink-40:#767672;--c-ink-20:#a8a8a3;--c-ink-10:#d4d4cf;--c-ink-05:#eaeae6;--c-sand:#f4f2ec;--c-sand-dark:#e8e5dc;--c-paper:#fafaf7;--c-white:#fff;--c-danger:#6b2020;--c-success:#1a3d28;--c-warning:#4a3500;--c-info:#0d2a3d;--c-danger-bg:#f5eded;--c-success-bg:#edf5f0;--c-warning-bg:#f5f0e8;--c-info-bg:#edf2f5;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono:"JetBrains Mono", "Fira Code", "Courier New", monospace;--r-sm:4px;--r-md:8px;--r-lg:12px;--r-xl:16px;--r-full:999px;--shadow-sm:0 1px 3px #0d0d0b12, 0 1px 2px #0d0d0b0d;--shadow-md:0 4px 12px #0d0d0b14, 0 2px 4px #0d0d0b0d;--shadow-lg:0 8px 24px #0d0d0b1a, 0 4px 8px #0d0d0b0f;--border:1px solid var(--c-ink-10);--border-strong:1px solid var(--c-ink-20)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px}body{font-family:var(--font-sans);background:var(--c-paper);color:var(--c-ink);-webkit-font-smoothing:antialiased;line-height:1.6}a{color:inherit;text-decoration:none}#root{min-height:100vh}button{font:inherit}.t-display{letter-spacing:-.03em;font-size:42px;font-weight:300;line-height:1.1}.t-headline{letter-spacing:-.02em;font-size:28px;font-weight:400;line-height:1.2}.t-title{letter-spacing:-.01em;font-size:20px;font-weight:500;line-height:1.3}.t-body-lg{color:var(--c-ink-60);font-size:17px;line-height:1.7}.t-body{color:var(--c-ink-80);font-size:15px;line-height:1.6}.t-body-sm{color:var(--c-ink-60);font-size:13px;line-height:1.5}.t-label{letter-spacing:.08em;text-transform:uppercase;color:var(--c-ink-40);font-size:11px;font-weight:600}.t-mono{font-family:var(--font-mono);color:var(--c-ink-60);font-size:13px}.btn{font-family:var(--font-sans);border-radius:var(--r-md);cursor:pointer;white-space:nowrap;border:none;align-items:center;gap:6px;height:36px;padding:0 16px;font-size:13px;font-weight:500;text-decoration:none;transition:all .15s;display:inline-flex}.btn-primary{background:var(--c-ink);color:var(--c-white)}.btn-primary:hover{background:var(--c-ink-80)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:var(--c-white);color:var(--c-ink);border:var(--border-strong)}.btn-secondary:hover{background:var(--c-sand)}.btn-ghost{color:var(--c-ink-60);background:0 0;border:1px solid #0000}.btn-ghost:hover{background:var(--c-sand);color:var(--c-ink)}.btn-danger{background:var(--c-danger-bg);color:var(--c-danger);border:1px solid #d4aaaa}.btn-danger:hover{background:#eedada}.btn-sm{border-radius:var(--r-sm);height:28px;padding:0 10px;font-size:12px}.btn-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.field-group{margin-bottom:20px}.field-label{color:var(--c-ink-60);margin-bottom:6px;font-size:12px;font-weight:600;display:block}.field-hint{color:var(--c-ink-40);margin-top:4px;font-size:11px}.field-error{color:var(--c-danger);margin-top:4px;font-size:11px}.input{width:100%;height:38px;font-family:var(--font-sans);color:var(--c-ink);background:var(--c-white);border:var(--border);border-radius:var(--r-md);outline:none;padding:0 12px;font-size:14px;transition:border-color .15s}.input:focus{border-color:var(--c-ink-40);box-shadow:0 0 0 3px var(--c-ink-05)}textarea.input{resize:vertical;height:auto;min-height:80px;padding:10px 12px}select.input{appearance:none}.badge{border-radius:var(--r-full);letter-spacing:.03em;white-space:nowrap;align-items:center;gap:4px;padding:2px 8px;font-size:11px;font-weight:600;display:inline-flex}.badge-default{background:var(--c-ink-05);color:var(--c-ink-60)}.badge-dark{background:var(--c-ink);color:var(--c-white)}.badge-success{background:var(--c-success-bg);color:var(--c-success)}.badge-warning{background:var(--c-warning-bg);color:var(--c-warning)}.badge-danger{background:var(--c-danger-bg);color:var(--c-danger)}.badge-info{background:var(--c-info-bg);color:var(--c-info)}.dot{border-radius:50%;width:6px;height:6px;display:inline-block}.dot-success{background:var(--c-success)}.dot-warning{background:#9a6800}.dot-danger{background:var(--c-danger)}.dot-muted{background:var(--c-ink-20)}.card{background:var(--c-white);border:var(--border);border-radius:var(--r-lg);overflow:hidden}.card-header{border-bottom:var(--border);justify-content:space-between;align-items:center;padding:16px 24px;display:flex}.card-title{color:var(--c-ink);font-size:14px;font-weight:600}.card-subtitle{color:var(--c-ink-40);margin-top:2px;font-size:12px}.card-body{padding:20px 24px}.card-footer{border-top:var(--border);background:var(--c-sand);justify-content:flex-end;gap:8px;padding:14px 24px;display:flex}.stat-grid{grid-template-columns:repeat(4,1fr);gap:12px;display:grid}.stat-card{background:var(--c-white);border:var(--border);border-radius:var(--r-lg);padding:20px 24px}.stat-label{text-transform:uppercase;letter-spacing:.08em;color:var(--c-ink-40);margin-bottom:8px;font-size:11px;font-weight:600}.stat-value{color:var(--c-ink);letter-spacing:-.02em;margin-bottom:8px;font-size:28px;font-weight:300;line-height:1}.stat-delta{color:var(--c-ink-40);font-size:12px}.alert{border-radius:var(--r-md);border:1px solid;align-items:flex-start;gap:12px;padding:14px 16px;font-size:13px;line-height:1.5;display:flex}.alert-success{background:var(--c-success-bg);color:var(--c-success);border-color:#b8d4be}.alert-warning{background:var(--c-warning-bg);color:var(--c-warning);border-color:#d4c4a0}.alert-danger{background:var(--c-danger-bg);color:var(--c-danger);border-color:#d4b8b8}.alert-info{background:var(--c-info-bg);color:var(--c-info);border-color:#b8c4d4}.alert-title{margin-bottom:2px;font-weight:600}.erp-shell{background:var(--c-white);height:100vh;display:flex}.erp-sidebar{background:var(--c-ink);flex-direction:column;flex-shrink:0;width:220px;display:flex}.erp-sidebar-top{border-bottom:1px solid var(--c-ink-80);padding:16px}.erp-logo{letter-spacing:.1em;text-transform:uppercase;color:var(--c-white);font-size:11px;font-weight:700;line-height:1.3}.erp-logo-sub{color:var(--c-ink-40);letter-spacing:.06em;font-size:9px}.erp-nav-scroll{flex:1;padding:8px 0;overflow-y:auto}.erp-nav-section-label{letter-spacing:.1em;text-transform:uppercase;color:var(--c-ink-40);padding:12px 12px 4px;font-size:9px;font-weight:600}.erp-nav-item{color:var(--c-ink-20);cursor:pointer;border-radius:6px;align-items:center;gap:8px;margin:0 4px 1px;padding:7px 12px;font-size:12px;transition:all .12s;display:flex}.erp-nav-item:hover{background:var(--c-ink-80);color:var(--c-white)}.erp-nav-item.active{color:var(--c-white);background:#ffffff1a;font-weight:500}.erp-nav-item.disabled{opacity:.35;cursor:default}.erp-nav-item.disabled:hover{color:var(--c-ink-20);background:0 0}.erp-nav-icon{text-align:center;opacity:.7;width:14px;font-size:13px}.erp-sidebar-bottom{border-top:1px solid var(--c-ink-80);padding:12px}.erp-main{flex-direction:column;flex:1;display:flex;overflow:hidden}.erp-topbar{border-bottom:var(--border);background:var(--c-white);flex-shrink:0;justify-content:space-between;align-items:center;height:48px;padding:0 20px;display:flex}.erp-topbar-title{color:var(--c-ink);font-size:14px;font-weight:600}.erp-topbar-actions{align-items:center;gap:8px;display:flex}.erp-content{background:var(--c-paper);flex:1;padding:20px;overflow-y:auto}.kanban{cursor:grab;scrollbar-width:none;-ms-overflow-style:none;align-items:flex-start;gap:12px;padding-bottom:4px;display:flex;overflow-x:auto}.kanban::-webkit-scrollbar{display:none}.kanban.drag-scrolling{cursor:grabbing;-webkit-user-select:none;user-select:none}.kanban.drag-scrolling .kanban-card{pointer-events:none}.kanban-col{flex-shrink:0;width:240px}.kanban-col-header{justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}.kanban-col-name{text-transform:uppercase;letter-spacing:.07em;color:var(--c-ink-60);font-size:11px;font-weight:600}.kanban-count{background:var(--c-ink-05);color:var(--c-ink-40);border-radius:var(--r-full);padding:1px 6px;font-size:11px;font-weight:600}.kanban-card{background:var(--c-white);border:var(--border);border-radius:var(--r-md);cursor:pointer;margin-bottom:8px;padding:12px;transition:box-shadow .15s}.kanban-card:hover{box-shadow:var(--shadow-md)}.kanban-card-title{color:var(--c-ink);margin-bottom:6px;font-size:12px;font-weight:500;line-height:1.4}.kanban-card-meta{color:var(--c-ink-40);font-size:11px}.kanban-card-footer{justify-content:space-between;align-items:center;margin-top:8px;display:flex}.timeline{padding-left:20px;position:relative}.timeline:before{content:"";background:var(--c-ink-10);width:1px;position:absolute;top:4px;bottom:4px;left:6px}.timeline-item{padding-bottom:20px;position:relative}.timeline-item:last-child{padding-bottom:0}.timeline-dot{background:var(--c-white);border:2px solid var(--c-ink-20);border-radius:50%;width:14px;height:14px;position:absolute;top:3px;left:-17px}.timeline-time{color:var(--c-ink-40);font-size:11px;font-family:var(--font-mono);margin-bottom:3px}.timeline-title{color:var(--c-ink);font-size:13px;font-weight:500}.timeline-sub{color:var(--c-ink-40);white-space:pre-wrap;margin-top:2px;font-size:12px}.modal-backdrop{z-index:200;background:#0d0d0b80;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal{background:var(--c-white);border-radius:var(--r-lg);width:100%;max-width:480px;max-height:88vh;box-shadow:var(--shadow-lg);overflow-y:auto}.empty-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:48px 24px;display:flex}.empty-title{color:var(--c-ink);margin-bottom:6px;font-size:15px;font-weight:500}.empty-desc{color:var(--c-ink-40);max-width:260px;font-size:13px;line-height:1.5}.login-shell{background:var(--c-sand);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:var(--c-white);border:var(--border);border-radius:var(--r-lg);width:100%;max-width:360px;box-shadow:var(--shadow-md);padding:32px}.tabs{border-bottom:var(--border);gap:4px;margin-bottom:20px;display:flex}.tab-btn{color:var(--c-ink-40);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;padding:10px 16px;font-size:13px;font-weight:500}.tab-btn:hover{color:var(--c-ink)}.tab-btn.active{color:var(--c-ink);border-bottom-color:var(--c-ink)}.avatar{object-fit:cover;background:var(--c-sand-dark);width:72px;height:72px;color:var(--c-ink-40);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:24px;font-weight:500;display:flex}.avatar-sm{object-fit:cover;background:var(--c-sand-dark);width:32px;height:32px;color:var(--c-ink-40);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;font-weight:500;display:flex}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:8px}.gap-3{gap:12px}.mt-2{margin-top:8px}.mt-3{margin-top:12px}.mt-4{margin-top:16px}.mb-2{margin-bottom:8px}.mb-4{margin-bottom:16px}.text-muted{color:var(--c-ink-40)}