:root{--color-brand-from: #667eea;--color-brand-to: #764ba2;--color-primary: #3b82f6;--color-primary-hover: #2563eb;--color-primary-light: #eff6ff;--color-primary-border: #bfdbfe;--color-success: #10b981;--color-success-hover: #059669;--color-success-light: #d1fae5;--color-danger: #ef4444;--color-danger-hover: #dc2626;--color-danger-light: #fef2f2;--color-danger-border: #fca5a5;--color-warning: #f59e0b;--color-warning-light: #fef3c7;--color-info: #6366f1;--color-white: #ffffff;--color-bg: #f5f5f5;--color-bg-subtle: #f8f9fa;--color-bg-muted: #f3f4f6;--color-bg-faint: #f9fafb;--color-border: #e5e7eb;--color-border-strong: #d1d5db;--color-border-muted: #ddd;--color-text-base: #1f2937;--color-text-strong: #111827;--color-text-muted: #6b7280;--color-text-subtle: #9ca3af;--color-text-inverse: #ffffff;--color-text-link: #374151;--color-text-dark: #333;--color-text-medium: #666;--color-btn-primary: #007bff;--color-btn-primary-hover: #0056b3;--color-btn-secondary: #6c757d;--color-btn-success: #28a745;--color-btn-danger: #dc3545;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--radius-xl: 12px;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .1);--shadow-md: 0 2px 4px rgba(0, 0, 0, .1);--shadow-lg: 0 2px 8px rgba(0, 0, 0, .1);--shadow-xl: 0 10px 40px rgba(0, 0, 0, .2);--font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;--font-family-mono: source-code-pro, Menlo, Monaco, Consolas, "Courier New", monospace;--font-size-xs: .72rem;--font-size-sm: .875rem;--font-size-md: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 2rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.25;--line-height-normal: 1.5;--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease;--navbar-height: 60px;--content-max-width: 1400px;--container-max-width: 1200px;--z-modal: 1000;--z-navbar: 1050}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-family-base);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--color-bg)}code{font-family:var(--font-family-mono)}.container{max-width:var(--container-max-width);margin:0 auto;padding:var(--spacing-md)}.card{background:var(--color-white);border-radius:var(--radius-lg);padding:var(--spacing-md);margin-bottom:var(--spacing-md);box-shadow:var(--shadow-md)}.btn{padding:10px var(--spacing-md);border:none;border-radius:var(--radius-sm);cursor:pointer;font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);transition:all var(--transition-slow)}.btn-primary{background-color:var(--color-btn-primary);color:var(--color-text-inverse)}.btn-primary:hover{background-color:var(--color-btn-primary-hover)}.btn-secondary{background-color:var(--color-btn-secondary);color:var(--color-text-inverse)}.btn-success{background-color:var(--color-btn-success);color:var(--color-text-inverse)}.btn-danger{background-color:var(--color-btn-danger);color:var(--color-text-inverse)}input,textarea,select{width:100%;padding:10px;margin:var(--spacing-sm) 0;border:1px solid var(--color-border-muted);border-radius:var(--radius-sm);font-size:var(--font-size-sm)}label{display:block;margin-top:10px;font-weight:var(--font-weight-medium);color:var(--color-text-dark)}.form-group{margin-bottom:15px}.table{width:100%;border-collapse:collapse;margin-top:var(--spacing-md)}.table th,.table td{padding:12px;text-align:left;border-bottom:1px solid var(--color-border-muted)}.table th{background-color:var(--color-bg-subtle);font-weight:var(--font-weight-semibold)}.table tbody tr:hover{background-color:var(--color-bg)}.App{min-height:100vh;background-color:var(--color-bg)}.navbar{background:linear-gradient(135deg,var(--color-brand-from) 0%,var(--color-brand-to) 100%);padding:15px 30px;box-shadow:var(--shadow-md);display:flex;justify-content:space-between;align-items:center}.nav-brand h1{color:var(--color-text-inverse);font-size:24px;margin:0}.nav-links{list-style:none;display:flex;gap:30px;margin:0;padding:0}.nav-links a{color:var(--color-text-inverse);text-decoration:none;font-weight:var(--font-weight-medium);transition:opacity var(--transition-slow)}.nav-links a:hover{opacity:.8}.nav-user{display:flex;align-items:center;gap:12px}.nav-user-name{color:#ffffffe6;font-size:var(--font-size-sm);font-weight:var(--font-weight-medium)}.nav-logout-btn{background:#ffffff26;color:var(--color-text-inverse);border:1px solid rgba(255,255,255,.3);padding:6px 14px;border-radius:var(--radius-md);font-size:13px;cursor:pointer;transition:background var(--transition-base)}.nav-logout-btn:hover{background:#ffffff40}.main-content{padding:30px;max-width:var(--content-max-width);margin:0 auto}.page-header{margin-bottom:30px}.page-header h2{color:var(--color-text-dark);font-size:28px;margin-bottom:10px}.page-header p{color:var(--color-text-medium);font-size:var(--font-size-md)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-bottom:30px}.stat-card{background:var(--color-white);padding:25px;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);transition:transform var(--transition-slow)}.stat-card:hover{transform:translateY(-5px)}.stat-card h3{color:var(--color-text-medium);font-size:var(--font-size-sm);margin-bottom:10px;text-transform:uppercase}.stat-card .stat-value{font-size:32px;font-weight:var(--font-weight-bold);color:var(--color-brand-from)}.action-buttons{display:flex;gap:10px;margin-bottom:20px}.nav-hamburger{display:none;flex-direction:column;justify-content:space-between;width:28px;height:20px;background:none;border:none;cursor:pointer;padding:0;z-index:1100}.nav-hamburger span{display:block;height:2px;width:100%;background:#fff;border-radius:2px;transition:transform .25s,opacity .25s;transform-origin:center}.nav-hamburger.open span:nth-child(1){transform:translateY(9px) rotate(45deg)}.nav-hamburger.open span:nth-child(2){opacity:0}.nav-hamburger.open span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}.nav-mobile-user{display:flex;align-items:center;justify-content:space-between;padding-top:12px;margin-top:8px;border-top:1px solid rgba(255,255,255,.2);color:#ffffffe6;font-size:14px}@media(max-width:768px){.navbar{flex-wrap:wrap;padding:12px 16px;position:relative}.nav-hamburger{display:flex}.nav-user{display:none}.nav-links{display:none;width:100%;flex-direction:column;gap:0;margin:8px 0 0;padding:0;background:#00000026;border-radius:8px;overflow:hidden}.nav-links.nav-links--open{display:flex}.nav-links li{border-bottom:1px solid rgba(255,255,255,.1)}.nav-links li:last-child{border-bottom:none}.nav-links a{display:block;padding:14px 16px;font-size:1rem}.nav-links .nav-mobile-user{padding:12px 16px}.main-content{padding:15px 15px 80px}}.task-panel{margin-top:24px}.task-panel-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:0;padding-bottom:12px;border-bottom:1px solid var(--color-border, #e5e7eb)}.task-panel-title{display:flex;align-items:center;gap:10px}.task-panel-title h3{margin:0;font-size:1.1rem;color:var(--color-text, #1f2937)}.task-count-badge{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;padding:0 6px;border-radius:11px;background:var(--color-primary, #3b82f6);color:#fff;font-size:.78rem;font-weight:700}.task-panel-controls{display:flex;align-items:center;gap:8px}.btn-sm{padding:6px 14px!important;font-size:.85rem!important}.task-collapse-btn{background:none;border:1px solid var(--color-border, #e5e7eb);border-radius:6px;padding:4px 10px;cursor:pointer;color:var(--color-text-muted, #6b7280);font-size:.8rem;transition:all .15s}.task-collapse-btn:hover{background:var(--color-bg-secondary, #f9fafb);border-color:#9ca3af}.task-tabs{display:flex;gap:4px;margin:14px 0 10px;border-bottom:2px solid var(--color-border, #e5e7eb);padding-bottom:0}.task-tab{padding:6px 16px;border:none;background:none;cursor:pointer;font-size:.9rem;color:var(--color-text-muted, #6b7280);border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .15s;border-radius:4px 4px 0 0}.task-tab:hover{color:var(--color-primary, #3b82f6);background:var(--color-bg-secondary, #f9fafb)}.task-tab--active{color:var(--color-primary, #3b82f6);border-bottom-color:var(--color-primary, #3b82f6);font-weight:600}.task-tab--completed{margin-left:auto;font-size:.82rem}.task-list{display:flex;flex-direction:column;gap:2px;margin-top:4px}.task-empty{color:var(--color-text-muted, #6b7280);font-size:.9rem;padding:20px 0;text-align:center}.task-empty-add{background:none;border:none;color:var(--color-primary, #3b82f6);cursor:pointer;font-size:.9rem;padding:0;text-decoration:underline}.task-row{display:flex;align-items:flex-start;gap:10px;padding:10px 8px;border-radius:8px;transition:background .1s;border:1px solid transparent}.task-row:hover{background:var(--color-bg-secondary, #f9fafb);border-color:var(--color-border, #e5e7eb)}.task-row--done{opacity:.55}.task-row--overdue{background:#fff7f7;border-color:#fca5a5!important}.task-row--overdue:hover{background:#fff0f0}.task-checkbox{flex-shrink:0;width:22px;height:22px;border:2px solid var(--color-border, #d1d5db);border-radius:5px;background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700;color:#fff;transition:all .15s;margin-top:2px}.task-checkbox:hover{border-color:var(--color-primary, #3b82f6);background:#eff6ff}.task-checkbox--checked{background:#10b981;border-color:#10b981}.task-checkbox--checked:hover{background:#059669;border-color:#059669}.task-body{flex:1;min-width:0}.task-title-row{display:flex;align-items:center;gap:8px;margin-bottom:5px}.task-priority-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.task-title{font-size:.95rem;color:var(--color-text, #1f2937);word-break:break-word}.task-title--done{text-decoration:line-through;color:var(--color-text-muted, #6b7280)}.task-meta{display:flex;flex-wrap:wrap;gap:6px;align-items:center}.task-patient-chip{display:inline-flex;align-items:center;gap:3px;padding:2px 8px;border-radius:12px;background:#eff6ff;border:1px solid #bfdbfe;color:#2563eb;font-size:.78rem;font-weight:500;text-decoration:none;transition:all .15s}.task-patient-chip:hover{background:#dbeafe;border-color:#93c5fd}.task-assignee-chip{display:inline-flex;align-items:center;gap:3px;padding:2px 8px;border-radius:12px;background:#f0fdf4;border:1px solid #bbf7d0;color:#166534;font-size:.78rem;font-weight:500}.task-due{font-size:.78rem;color:var(--color-text-muted, #6b7280);display:inline-flex;align-items:center;gap:3px}.task-due--today{color:#d97706;font-weight:600}.task-due--overdue{color:#dc2626;font-weight:600}.task-done-at{font-size:.75rem;color:var(--color-text-muted, #9ca3af)}.task-actions{display:flex;gap:4px;opacity:0;transition:opacity .15s;flex-shrink:0}.task-row:hover .task-actions{opacity:1}.task-action-btn{background:none;border:1px solid transparent;border-radius:5px;padding:3px 6px;cursor:pointer;font-size:.85rem;transition:all .15s;color:var(--color-text-muted, #6b7280)}.task-action-btn:hover{background:var(--color-bg-secondary, #f3f4f6);border-color:var(--color-border, #d1d5db)}.task-action-btn--delete:hover{background:#fef2f2;border-color:#fca5a5;color:#dc2626}.task-confirm-modal{background:#fff;border-radius:16px;padding:28px 32px;max-width:420px;width:90%;box-shadow:0 20px 50px #0000004d;text-align:center}.task-confirm-modal h4{font-size:1.15rem;margin:0 0 12px;color:var(--color-text, #1f2937)}.task-confirm-title{font-size:.95rem;color:#374151;font-style:italic;margin:0 0 8px;word-break:break-word}.task-confirm-note{font-size:.85rem;color:var(--color-text-muted, #6b7280);margin:0 0 24px}.task-confirm-actions{display:flex;justify-content:center;gap:12px}.task-modal-content{max-width:520px}.nav-task-badge{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 4px;border-radius:9px;background:#ef4444;color:#fff;font-size:.68rem;font-weight:700;margin-left:4px;vertical-align:middle;line-height:1}@media(max-width:640px){.task-panel-header{flex-direction:column;align-items:flex-start;gap:10px}.task-panel-controls{width:100%;justify-content:space-between}.task-confirm-modal{padding:20px}}.chat-widget{position:fixed;bottom:20px;right:20px;z-index:1000}.chat-button{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:50px;padding:15px 25px;font-size:16px;font-weight:600;cursor:pointer;box-shadow:0 4px 15px #667eea66;transition:all .3s ease}.chat-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea99}.chat-window{width:380px;height:600px;background:#fff;border-radius:12px;box-shadow:0 10px 40px #0003;display:flex;flex-direction:column;overflow:hidden}.chat-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:15px 20px;display:flex;justify-content:space-between;align-items:center}.chat-header-content{display:flex;flex-direction:column}.chat-title{font-size:18px;font-weight:600}.chat-status{font-size:12px;opacity:.9}.chat-close{background:none;border:none;color:#fff;font-size:24px;cursor:pointer;padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background .3s ease}.chat-close:hover{background:#fff3}.chat-messages{flex:1;overflow-y:auto;padding:20px;background:#f5f5f5}.chat-message{margin-bottom:15px;display:flex}.user-message{justify-content:flex-end}.bot-message{justify-content:flex-start}.message-bubble{max-width:75%;padding:12px 16px;border-radius:18px;word-wrap:break-word}.user-message .message-bubble{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-bottom-right-radius:4px}.bot-message .message-bubble{background:#fff;color:#333;border-bottom-left-radius:4px;box-shadow:0 2px 4px #0000001a}.message-text{font-size:14px;line-height:1.5;white-space:pre-wrap}.message-time{font-size:10px;margin-top:5px;opacity:.7;text-align:right}.chat-input-container{display:flex;padding:15px;background:#fff;border-top:1px solid #e0e0e0}.chat-input{flex:1;border:1px solid #ddd;border-radius:20px;padding:10px 15px;font-size:14px;outline:none;transition:border-color .3s ease}.chat-input:focus{border-color:#667eea}.chat-send-button{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:20px;padding:10px 20px;margin-left:10px;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s ease}.chat-send-button:hover{transform:translateY(-1px);box-shadow:0 4px 10px #667eea4d}.chat-footer{padding:10px;text-align:center;background:#f9f9f9;border-top:1px solid #e0e0e0;color:#666}@media(max-width:768px){.chat-widget{bottom:16px;right:16px}.chat-button{padding:12px 18px;font-size:14px}}@media(max-width:480px){.chat-window{width:100vw;height:100vh;bottom:0;right:0;border-radius:0}}.chat-messages::-webkit-scrollbar{width:6px}.chat-messages::-webkit-scrollbar-track{background:#f1f1f1}.chat-messages::-webkit-scrollbar-thumb{background:#888;border-radius:3px}.chat-messages::-webkit-scrollbar-thumb:hover{background:#555}.loading-spinner-overlay{display:flex;justify-content:center;align-items:center;min-height:200px;width:100%}.loading-spinner{width:40px;height:40px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:var(--radius-full);animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}