:root{--bg: #f1f5f9;--surface: #ffffff;--surface-2: #f8fafc;--surface-3: #f1f5f9;--border: #e2e8f0;--border-strong: #cbd5e1;--text: #1e293b;--muted: #64748b;--faint: #94a3b8;--primary: #3b82f6;--primary-hover: #2563eb;--primary-soft: #eff6ff;--indigo: #6366f1;--indigo-hover: #4f46e5;--danger: #ef4444;--danger-hover: #dc2626;--danger-soft: #fef2f2;--success: #16a34a;--success-hover: #15803d;--amber: #d97706;--radius-sm: 6px;--radius: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 3px rgba(15, 23, 42, .08);--shadow-md: 0 4px 14px rgba(15, 23, 42, .1);--shadow-lg: 0 12px 40px rgba(15, 23, 42, .18);--ring: 0 0 0 3px rgba(59, 130, 246, .35)}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px;-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--faint)}::-webkit-scrollbar-track{background:transparent}button{font-family:inherit}:focus-visible{outline:none;box-shadow:var(--ring);border-radius:var(--radius-sm)}.app-shell{display:flex;flex-direction:column;height:100vh;overflow:hidden}.app-main{flex:1;min-height:0;display:flex;flex-direction:column}.app-loading{display:flex;height:100vh;align-items:center;justify-content:center;font-size:16px;color:var(--muted);gap:10px}.board-tab{display:flex;flex-direction:column;flex:1;min-height:0}.app-header{display:flex;align-items:center;gap:18px;height:56px;flex-shrink:0;padding:0 18px;background:var(--surface);border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:9px}.brand-mark{width:18px;height:18px;border-radius:5px;background:linear-gradient(135deg,var(--primary),var(--indigo));box-shadow:var(--shadow-sm)}.brand-name{font-size:15px;font-weight:700;letter-spacing:-.01em}.brand-dim{color:var(--faint);font-weight:500}.tabs{display:flex;gap:2px}.tab{position:relative;padding:8px 14px;border:none;background:none;cursor:pointer;font-size:13px;font-weight:500;color:var(--muted);border-radius:var(--radius-sm);transition:color .15s,background .15s}.tab:hover{color:var(--text);background:var(--surface-3)}.tab--active{color:var(--text);font-weight:600}.tab--active:after{content:"";position:absolute;left:12px;right:12px;bottom:-9px;height:2px;background:var(--primary);border-radius:2px}.header-right{margin-left:auto;display:flex;align-items:center;gap:12px}.user-chip{display:flex;flex-direction:column;align-items:flex-end;line-height:1.2}.user-name{font-size:13px;font-weight:600}.user-role{font-size:11px;color:var(--faint)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 14px;font-size:13px;font-weight:500;line-height:1;border:1px solid transparent;border-radius:var(--radius-sm);cursor:pointer;white-space:nowrap;transition:background .15s,border-color .15s,color .15s,box-shadow .15s,transform .05s}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn--sm{padding:6px 11px;font-size:12px}.btn--primary{background:var(--primary);color:#fff}.btn--primary:hover:not(:disabled){background:var(--primary-hover)}.btn--indigo{background:var(--indigo);color:#fff}.btn--indigo:hover:not(:disabled){background:var(--indigo-hover)}.btn--success{background:var(--success);color:#fff}.btn--success:hover:not(:disabled){background:var(--success-hover)}.btn--danger{background:var(--danger);color:#fff}.btn--danger:hover:not(:disabled){background:var(--danger-hover)}.btn--ghost{background:transparent;color:var(--muted);border-color:var(--border)}.btn--ghost:hover:not(:disabled){background:var(--surface-3);color:var(--text);border-color:var(--border-strong)}.btn--soft{background:var(--surface-3);color:var(--text)}.btn--soft:hover:not(:disabled){background:var(--border)}.btn--active{background:var(--primary-soft);color:var(--primary-hover);border-color:var(--primary)}.field{display:inline-flex;flex-direction:column;gap:4px}.field-label{font-size:11px;font-weight:600;color:var(--faint);text-transform:uppercase;letter-spacing:.03em}.input,.select{padding:8px 11px;font-size:13px;color:var(--text);background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-sm);outline:none;transition:border-color .15s,box-shadow .15s}.input::placeholder{color:var(--faint)}.input:focus,.select:focus{border-color:var(--primary);box-shadow:var(--ring)}.select{cursor:pointer}.toolbar{position:relative;flex-shrink:0;display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:10px 18px;background:var(--surface-2);border-bottom:1px solid var(--border)}.toolbar-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.toolbar-spacer{margin-left:auto}.sync-msg{font-size:12px;color:var(--success);display:inline-flex;align-items:center;gap:5px}.sync-msg--error{color:var(--danger)}.popover{position:absolute;top:calc(100% + 6px);right:18px;z-index:100;width:300px;padding:14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}.popover-title{font-size:13px;font-weight:600;margin-bottom:10px}.col-list{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}.col-item{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:7px 10px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px}.col-item-del{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;flex-shrink:0;border:none;border-radius:var(--radius-sm);cursor:pointer;background:var(--danger-soft);color:var(--danger);font-size:12px;transition:background .15s,color .15s}.col-item-del:hover{background:var(--danger);color:#fff}.popover-add{display:flex;gap:8px}.popover-add .input{flex:1;min-width:0}.board{display:flex;gap:14px;padding:16px 18px;overflow-x:auto;flex:1;align-items:flex-start;min-height:0}.column{display:flex;flex-direction:column;min-width:290px;max-width:320px;max-height:100%;border-radius:var(--radius-lg);padding:12px;background:var(--surface-2);border:1px solid var(--border);transition:background .15s,border-color .15s}.column--over{background:var(--primary-soft);border-color:var(--primary)}.column-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;padding:0 2px}.column-name{font-weight:700;font-size:13px;color:var(--text)}.column-count{min-width:22px;text-align:center;background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:1px 8px;font-size:12px;font-weight:600;color:var(--muted)}.task-list{display:flex;flex-direction:column;min-height:60px;overflow-y:auto;padding-right:2px}.column-empty{font-size:12px;color:var(--faint);text-align:center;padding:16px 8px;border:1px dashed var(--border-strong);border-radius:var(--radius)}.task-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:10px 12px;margin-bottom:8px;box-shadow:var(--shadow-sm);cursor:grab;-webkit-user-select:none;user-select:none;transition:box-shadow .15s,border-color .15s,transform .05s}.task-card:hover{box-shadow:var(--shadow-md);border-color:var(--border-strong)}.task-card:active{cursor:grabbing}.task-card-header{display:flex;justify-content:space-between;align-items:flex-start;gap:6px;margin-bottom:5px}.task-number{font-size:11px;font-weight:600;color:var(--primary);text-decoration:none;white-space:nowrap}.task-number:hover{text-decoration:underline}.task-status{font-size:10px;padding:2px 8px;border-radius:20px;white-space:nowrap;font-weight:600;color:#374151}.task-name{margin:0;font-size:13px;color:var(--text);line-height:1.4}.task-meta{margin:5px 0 0;font-size:11px;color:var(--muted);display:flex;align-items:center;gap:5px}.task-alerts{margin-top:7px;display:flex;flex-wrap:wrap;gap:4px}.task-alert{font-size:10px;padding:2px 7px;border-radius:20px;color:#374151;font-weight:500}.login-wrap{display:flex;min-height:100vh;align-items:center;justify-content:center;background:radial-gradient(1200px 600px at 50% -10%,#e0e7ff,var(--bg));padding:20px}.login-card{width:340px;padding:32px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;gap:14px}.login-brand{display:flex;align-items:center;gap:10px;justify-content:center;margin-bottom:6px}.login-title{margin:0;font-size:18px;font-weight:700;text-align:center}.login-sub{margin:-6px 0 6px;text-align:center;font-size:12px;color:var(--faint)}.login-card .input{padding:11px 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12px;font-size:14px;font-weight:600}.admin-form-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);cursor:pointer;font-size:11px;color:var(--muted);transition:background .15s,border-color .15s}.icon-btn:hover{background:var(--surface-3);border-color:var(--border-strong)}.btn-row{display:inline-flex;gap:6px}