:root{--bg-primary: #0a0e1a;--bg-secondary: #111827;--bg-card: #1a2035;--bg-card-hover: #1f2847;--bg-input: #151c2e;--bg-modal-overlay: rgba(0, 0, 0, .6);--glass-bg: rgba(26, 32, 53, .7);--glass-border: rgba(255, 255, 255, .06);--glass-shadow: 0 8px 32px rgba(0, 0, 0, .3);--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--text-inverse: #0a0e1a;--gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);--gradient-accent: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);--gradient-success: linear-gradient(135deg, #10b981 0%, #34d399 100%);--gradient-warm: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);--accent: #6366f1;--accent-light: #818cf8;--accent-dark: #4f46e5;--success: #10b981;--success-bg: rgba(16, 185, 129, .12);--warning: #f59e0b;--warning-bg: rgba(245, 158, 11, .12);--danger: #ef4444;--danger-bg: rgba(239, 68, 68, .12);--info: #3b82f6;--info-bg: rgba(59, 130, 246, .12);--border-color: rgba(255, 255, 255, .06);--border-active: rgba(99, 102, 241, .5);--sidebar-width: 260px;--topbar-height: 64px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-full: 9999px;--transition: .2s cubic-bezier(.4, 0, .2, 1);font-family:Inter,system-ui,-apple-system,sans-serif;font-size:15px;line-height:1.6;color:var(--text-primary)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-primary);color:var(--text-primary);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--accent-light);text-decoration:none}a:hover{color:var(--accent)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#fff3}.app-layout{display:flex;min-height:100vh}.main-area{flex:1;margin-left:var(--sidebar-width);display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1;padding:28px 32px;margin-top:var(--topbar-height);overflow-y:auto}.sidebar{position:fixed;top:0;left:0;width:var(--sidebar-width);height:100vh;background:var(--bg-secondary);border-right:1px solid var(--border-color);display:flex;flex-direction:column;z-index:100;overflow-y:auto}.sidebar-brand{padding:24px 20px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--border-color)}.sidebar-brand .brand-icon{width:40px;height:40px;border-radius:var(--radius-md);background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:800;color:#fff;flex-shrink:0}.sidebar-brand h2{font-size:1.2rem;font-weight:700;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.sidebar-nav{flex:1;padding:16px 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.user-avatar{width:36px;height:36px;border-radius:var(--radius-full);background:var(--gradient-accent);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;color:#fff;flex-shrink:0}.sidebar-user .user-info{flex:1;min-width:0}.sidebar-user .user-name{font-size:.85rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-user .user-role{font-size:.72rem;color:var(--text-muted);text-transform:capitalize}.topbar{position:fixed;top:0;left:var(--sidebar-width);right:0;height:var(--topbar-height);background:#111827d9;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;padding:0 28px;z-index:90}.topbar-left{display:flex;align-items:center;gap:16px}.topbar-left h1{font-size:1.15rem;font-weight:600}.topbar-right{display:flex;align-items:center;gap:12px}.work-timer{display:flex;align-items:center;gap:10px;padding:6px 16px;border-radius:var(--radius-full);background:var(--bg-card);border:1px solid var(--border-color);font-size:.85rem}.work-timer.running{border-color:#10b98166;background:#10b98114}.work-timer.paused{border-color:#f59e0b66;background:#f59e0b14}.timer-display{font-family:Inter,monospace;font-weight:700;font-size:.95rem;letter-spacing:.04em;min-width:72px;text-align:center}.timer-task-name{color:var(--text-secondary);font-size:.78rem;max-width:140px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.timer-btn{width:32px;height:32px;border-radius:var(--radius-full);border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition);padding:0}.timer-btn.play{background:var(--gradient-success);color:#fff}.timer-btn.pause{background:var(--warning);color:#fff}.timer-btn.stop{background:var(--danger);color:#fff}.timer-btn:hover{transform:scale(1.1)}.notification-bell{position:relative;background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:8px;border-radius:var(--radius-md);transition:var(--transition)}.notification-bell:hover{background:#ffffff0a;color:var(--text-primary)}.notification-badge{position:absolute;top:4px;right:4px;min-width:18px;height:18px;padding:0 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var(--glass-border);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--glass-shadow)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:28px}.stat-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:22px;display:flex;align-items:flex-start;gap:16px;transition:var(--transition)}.stat-card:hover{transform:translateY(-2px);border-color:var(--border-active);box-shadow:0 8px 24px 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.card-title{font-size:.85rem;font-weight:600;margin-bottom:8px}.kanban-card .card-meta{display:flex;align-items:center;justify-content:space-between;font-size:.75rem;color:var(--text-muted)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);position:relative;overflow:hidden}.login-page:before{content:"";position:absolute;width:600px;height:600px;background:radial-gradient(circle,rgba(99,102,241,.15) 0%,transparent 70%);top:-200px;right:-200px;pointer-events:none}.login-page:after{content:"";position:absolute;width:500px;height:500px;background:radial-gradient(circle,rgba(168,85,247,.1) 0%,transparent 70%);bottom:-200px;left:-200px;pointer-events:none}.login-card{width:100%;max-width:420px;padding:40px;background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:var(--radius-xl);box-shadow:var(--glass-shadow);position:relative;z-index:1}.login-card 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.page-description{color:var(--text-secondary);font-size:.88rem;margin-top:2px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border-color);margin-bottom:24px}.tab{padding:10px 18px;font-size:.88rem;font-weight:500;color:var(--text-muted);cursor:pointer;border:none;background:none;border-bottom:2px solid transparent;transition:var(--transition)}.tab:hover{color:var(--text-primary)}.tab.active{color:var(--accent-light);border-bottom-color:var(--accent)}.empty-state{padding:48px 24px;text-align:center;color:var(--text-muted)}.empty-state .empty-icon{margin-bottom:16px;opacity:.4}.empty-state h3{font-size:1rem;font-weight:600;color:var(--text-secondary);margin-bottom:6px}.empty-state p{font-size:.85rem}.loading-spinner{display:flex;align-items:center;justify-content:center;padding:48px}.spinner{width:40px;height:40px;border:3px solid var(--border-color);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.ack-banner{padding:16px 20px;background:var(--warning-bg);border:1px solid rgba(245,158,11,.3);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.ack-banner p{font-size:.88rem;color:var(--warning)}.detail-grid{display:grid;grid-template-columns:1fr 360px;gap:24px}.detail-meta{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px}.meta-item{padding:12px 16px;background:var(--bg-input);border-radius:var(--radius-md)}.meta-item .meta-label{font-size:.72rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:4px}.meta-item .meta-value{font-size:.9rem;font-weight:600}.file-dropzone{border:2px dashed var(--border-color);border-radius:var(--radius-lg);padding:32px;text-align:center;color:var(--text-muted);transition:var(--transition);cursor:pointer}.file-dropzone:hover,.file-dropzone.dragover{border-color:var(--accent);background:#6366f10a}.file-list-item{display:flex;align-items:center;gap:14px;padding:12px 16px;border-bottom:1px solid var(--border-color);transition:var(--transition)}.file-list-item:hover{background:#ffffff05}.file-icon{width:40px;height:40px;border-radius:var(--radius-md);background:#6366f11a;display:flex;align-items:center;justify-content:center;color:var(--accent-light);flex-shrink:0}.file-info{flex:1}.file-info .file-name{font-size:.88rem;font-weight:500}.file-info .file-meta{font-size:.75rem;color:var(--text-muted)}.progress-bar{width:100%;height:6px;background:#ffffff0f;border-radius:var(--radius-full);overflow:hidden}.progress-fill{height:100%;border-radius:var(--radius-full);background:var(--gradient-primary);transition:width .5s ease}.progress-fill.green{background:var(--gradient-success)}.progress-fill.yellow{background:var(--warning)}.progress-fill.red{background:var(--danger)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}.animate-in{animation:slideUp .3s ease forwards}@media (max-width: 1024px){.kanban-board{grid-template-columns:repeat(3,1fr)}.detail-grid{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.sidebar{display:none}.main-area{margin-left:0}.topbar{left:0}.kanban-board{grid-template-columns:repeat(2,1fr)}.form-row,.grid-2,.grid-3{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 480px){.kanban-board,.stats-grid{grid-template-columns:1fr}.main-content{padding:16px}}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-sm{gap:8px}.gap-md{gap:16px}.gap-lg{gap:24px}.mt-sm{margin-top:8px}.mt-md{margin-top:16px}.mt-lg{margin-top:24px}.mb-md{margin-bottom:16px}.mb-lg{margin-bottom:24px}.text-center{text-align:center}.text-muted{color:var(--text-muted)}.text-sm{font-size:.82rem}.font-semibold{font-weight:600}.w-full{width:100%}.truncate{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}