:root{--color-commercial: #3b82f6;--color-technical: #22c55e;--color-projects: #f97316;--color-marketing: #a855f7;--color-executive: #ef4444;--color-director-report: #dc2626;--color-planning: #0ea5e9;--color-client-report: #8b5cf6;--color-contract-milestone: #f59e0b;--color-internal-transfer: #10b981;--color-department-schedule: #6366f1;--color-other: #6b7280;--color-pending: #fbbf24;--color-completed: #22c55e;--color-overdue: #ef4444;--color-priority-low: #6b7280;--color-priority-medium: #f59e0b;--color-priority-high: #ef4444;--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--bg-card: #1e293b;--bg-card-hover: #334155;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--border-color: #334155;--border-light: #475569;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .3), 0 2px 4px -2px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .3), 0 4px 6px -4px rgba(0, 0, 0, .3);--shadow-glow: 0 0 20px rgba(59, 130, 246, .3);--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .35s ease}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px}body{font-family:var(--font-family);background:var(--bg-primary);color:var(--text-primary);line-height:1.5;min-height:100vh;overflow-x:hidden}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.25;color:var(--text-primary)}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}h4{font-size:1rem}.app-container{display:flex;flex-direction:column;min-height:100vh}.main-layout{display:grid;grid-template-columns:1fr 320px;flex:1;gap:var(--spacing-lg);padding:var(--spacing-lg);max-width:1920px;margin:0 auto;width:100%}@media (max-width: 1200px){.main-layout{grid-template-columns:1fr}}.header{background:linear-gradient(180deg,var(--bg-secondary) 0%,var(--bg-primary) 100%);border-bottom:1px solid var(--border-color);padding:var(--spacing-md) var(--spacing-xl);display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-lg)}.header-title{display:flex;align-items:center;gap:var(--spacing-md)}.header-title h1{font-size:1.5rem;font-weight:700;background:linear-gradient(135deg,var(--color-commercial) 0%,var(--color-marketing) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header-title .icon{font-size:1.75rem}.header-nav{display:flex;align-items:center;gap:var(--spacing-md)}.nav-btn{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:.875rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.nav-btn:hover{background:var(--bg-card-hover);border-color:var(--border-light);transform:translateY(-1px)}.nav-btn.primary{background:var(--color-commercial);border-color:var(--color-commercial)}.nav-btn.primary:hover{background:#2563eb;box-shadow:var(--shadow-glow)}.month-nav{display:flex;align-items:center;gap:var(--spacing-md)}.month-nav h2{min-width:200px;text-align:center;font-size:1.25rem}.month-nav button{padding:var(--spacing-sm);background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center}.month-nav button:hover{background:var(--bg-card-hover);border-color:var(--border-light)}.calendar-section{background:var(--bg-secondary);border-radius:var(--radius-xl);border:1px solid var(--border-color);padding:var(--spacing-lg);overflow:hidden}.calendar-weekdays{display:grid;grid-template-columns:repeat(7,1fr);gap:1px;margin-bottom:var(--spacing-md)}.weekday{text-align:center;font-size:.875rem;font-weight:600;color:var(--text-secondary);padding:var(--spacing-sm);text-transform:uppercase;letter-spacing:.05em}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:1px;background:var(--border-color);border-radius:var(--radius-md);overflow:hidden}.calendar-day{background:var(--bg-card);height:130px;padding:var(--spacing-sm);display:flex;flex-direction:column;cursor:pointer;transition:all var(--transition-fast);position:relative;overflow:hidden}.calendar-day:hover{background:var(--bg-card-hover)}.calendar-day.other-month{opacity:.4}.calendar-day.today{background:linear-gradient(135deg,#3b82f633,#8b5cf633);box-shadow:inset 0 0 0 2px var(--color-commercial)}.calendar-day.selected{background:var(--bg-tertiary);box-shadow:inset 0 0 0 2px var(--color-marketing)}.day-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-xs)}.day-number{font-size:.875rem;font-weight:600;color:var(--text-primary);width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:50%}.calendar-day.today .day-number{background:var(--color-commercial);color:#fff}.day-events{flex:1;display:flex;flex-direction:column;gap:2px;overflow:hidden}.more-events{font-size:.75rem;color:var(--text-secondary);text-align:center;padding:2px;background:var(--bg-tertiary);border-radius:var(--radius-sm);margin-top:auto}.event-card{padding:4px 8px;border-radius:var(--radius-sm);font-size:.75rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer;transition:all var(--transition-fast);border-left:3px solid transparent}.event-card:hover{transform:translate(2px);box-shadow:var(--shadow-sm)}.event-card.commercial{background:#3b82f633;border-left-color:var(--color-commercial);color:#93c5fd}.event-card.technical{background:#22c55e33;border-left-color:var(--color-technical);color:#86efac}.event-card.projects{background:#f9731633;border-left-color:var(--color-projects);color:#fdba74}.event-card.marketing{background:#a855f733;border-left-color:var(--color-marketing);color:#d8b4fe}.event-card.executive{background:#ef444433;border-left-color:var(--color-executive);color:#fca5a5}.sidebar{background:var(--bg-secondary);border-radius:var(--radius-xl);border:1px solid var(--border-color);padding:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-lg);max-height:calc(100vh - 140px);overflow-y:auto}.sidebar-section{display:flex;flex-direction:column;gap:var(--spacing-md)}.sidebar-section h3{font-size:.875rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);padding-bottom:var(--spacing-sm);border-bottom:1px solid var(--border-color)}.selected-date{text-align:center;padding:var(--spacing-md);background:var(--bg-tertiary);border-radius:var(--radius-md)}.selected-date .date-num{font-size:2.5rem;font-weight:700;color:var(--text-primary)}.selected-date .date-info{font-size:.875rem;color:var(--text-secondary)}.event-list{display:flex;flex-direction:column;gap:var(--spacing-sm)}.event-detail-card{padding:var(--spacing-md);background:var(--bg-card);border-radius:var(--radius-md);border:1px solid var(--border-color);display:flex;flex-direction:column;gap:var(--spacing-sm);cursor:pointer;transition:all var(--transition-fast)}.event-detail-card:hover{background:var(--bg-card-hover);border-color:var(--border-light);transform:translateY(-2px);box-shadow:var(--shadow-md)}.event-detail-card .title{font-weight:600;font-size:.9375rem}.event-detail-card .meta{display:flex;flex-wrap:wrap;gap:var(--spacing-sm);font-size:.75rem;color:var(--text-secondary)}.event-detail-card .meta span{display:flex;align-items:center;gap:4px}.tag{display:inline-flex;align-items:center;padding:2px 8px;border-radius:var(--radius-sm);font-size:.75rem;font-weight:500}.tag.department{background:#3b82f633;color:var(--color-commercial)}.tag.type{background:#8b5cf633;color:#a78bfa}.tag.status{background:#22c55e33;color:var(--color-completed)}.tag.status.pending{background:#fbbf2433;color:var(--color-pending)}.tag.status.overdue{background:#ef444433;color:var(--color-overdue)}.legend{display:flex;flex-wrap:wrap;gap:var(--spacing-md);padding:var(--spacing-md);background:var(--bg-tertiary);border-radius:var(--radius-md)}.legend-item{display:flex;align-items:center;gap:var(--spacing-xs);font-size:.75rem;color:var(--text-secondary)}.legend-color{width:12px;height:12px;border-radius:var(--radius-sm)}.filters{display:flex;flex-wrap:wrap;gap:var(--spacing-sm)}.filter-btn{padding:var(--spacing-xs) var(--spacing-sm);background:transparent;border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-secondary);font-size:.75rem;cursor:pointer;transition:all var(--transition-fast)}.filter-btn:hover{border-color:var(--border-light);color:var(--text-primary)}.filter-btn.active{background:var(--color-commercial);border-color:var(--color-commercial);color:#fff}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--spacing-lg);animation:fadeIn var(--transition-normal)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);width:100%;max-width:600px;max-height:90vh;overflow-y:auto;animation:slideUp var(--transition-normal)}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg);border-bottom:1px solid var(--border-color)}.modal-header h2{font-size:1.25rem}.modal-close{padding:var(--spacing-sm);background:transparent;border:none;color:var(--text-secondary);cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition-fast)}.modal-close:hover{background:var(--bg-tertiary);color:var(--text-primary)}.modal-body{padding:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-lg)}.modal-footer{display:flex;justify-content:flex-end;gap:var(--spacing-md);padding:var(--spacing-lg);border-top:1px solid var(--border-color)}.form-group{display:flex;flex-direction:column;gap:var(--spacing-sm)}.form-group label{font-size:.875rem;font-weight:500;color:var(--text-secondary)}.form-group input,.form-group select,.form-group textarea{padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:.9375rem;font-family:inherit;transition:all var(--transition-fast)}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--color-commercial);box-shadow:0 0 0 3px #3b82f633}.form-group textarea{min-height:100px;resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-md)}.checkbox-group{display:flex;flex-wrap:wrap;gap:var(--spacing-sm)}.checkbox-label{display:flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-xs) var(--spacing-sm);background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;font-size:.875rem;transition:all var(--transition-fast)}.checkbox-label:hover{border-color:var(--border-light)}.checkbox-label.checked{background:#3b82f633;border-color:var(--color-commercial)}.checkbox-label input{display:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-lg);border-radius:var(--radius-md);font-size:.9375rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast);border:none}.btn-primary{background:var(--color-commercial);color:#fff}.btn-primary:hover{background:#2563eb;box-shadow:var(--shadow-glow);transform:translateY(-1px)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--border-light)}.btn-danger{background:var(--color-overdue);color:#fff}.btn-danger:hover{background:#dc2626}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-2xl);text-align:center;color:var(--text-muted)}.empty-state .icon{font-size:3rem;margin-bottom:var(--spacing-md);opacity:.5}.empty-state h4{margin-bottom:var(--spacing-xs);color:var(--text-secondary)}.empty-state p{font-size:.875rem}.text-center{text-align:center}.text-muted{color:var(--text-muted)}.text-sm{font-size:.875rem}.text-xs{font-size:.75rem}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.hidden{display:none}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--border-light)}.file-input-wrapper{position:relative}.file-input-wrapper input[type=file]{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer}.file-input-btn{display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-lg);background:var(--bg-card);border:2px dashed var(--border-color);border-radius:var(--radius-md);color:var(--text-secondary);transition:all var(--transition-fast)}.file-input-wrapper:hover .file-input-btn{border-color:var(--color-commercial);color:var(--text-primary);background:#3b82f61a}