:root{--bg: #f8f9fc;--surface: #ffffff;--surface-hover: #f1f3f9;--border: #e2e6ef;--border-light: #eef1f6;--text: #1a1d2e;--text-secondary: #6b7194;--text-muted: #9ba2be;--primary: #4F86C6;--primary-light: #e8f0fb;--primary-dark: #3a6ba8;--danger: #e74c5e;--danger-light: #fdedef;--success: #34b87a;--warning: #f0a836;--radius: 10px;--radius-sm: 6px;--shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);--shadow-lg: 0 12px 36px rgba(0,0,0,.12), 0 4px 12px rgba(0,0,0,.06);--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}button{font-family:var(--font);cursor:pointer;border:none;background:none;font-size:inherit}input,textarea,select{font-family:var(--font);font-size:.9rem;border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:8px 12px;outline:none;transition:border-color .2s,box-shadow .2s;background:var(--surface);color:var(--text)}input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.app{display:flex;flex-direction:column;height:100vh;overflow:hidden}.header{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;background:var(--surface);border-bottom:1px solid var(--border);box-shadow:var(--shadow);z-index:10}.header-left{display:flex;align-items:center;gap:20px}.logo{font-weight:700;font-size:1.25rem;color:var(--primary);letter-spacing:-.02em}.nav-date{display:flex;align-items:center;gap:8px}.nav-date button{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);color:var(--text-secondary);transition:all .15s}.nav-date button:hover{background:var(--surface-hover);color:var(--text)}.nav-date .current-label{font-weight:600;font-size:1.05rem;min-width:200px;text-align:center}.today-btn{padding:6px 14px;border-radius:var(--radius-sm);font-weight:500;font-size:.85rem;color:var(--primary);border:1.5px solid var(--primary);transition:all .15s}.today-btn:hover{background:var(--primary);color:#fff}.header-right{display:flex;align-items:center;gap:12px}.view-switcher{display:flex;background:var(--bg);border-radius:var(--radius-sm);padding:3px;gap:2px}.view-switcher button{padding:6px 16px;border-radius:5px;font-weight:500;font-size:.85rem;color:var(--text-secondary);transition:all .15s}.view-switcher button.active{background:var(--surface);color:var(--text);box-shadow:var(--shadow)}.view-switcher button:hover:not(.active){color:var(--text)}.add-btn{padding:8px 18px;background:var(--primary);color:#fff;border-radius:var(--radius-sm);font-weight:600;font-size:.85rem;transition:all .15s;box-shadow:0 2px 6px #4f86c64d}.add-btn:hover{background:var(--primary-dark);box-shadow:0 4px 10px #4f86c666;transform:translateY(-1px)}.calendar-container{flex:1;overflow-y:auto;padding:20px}.month-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:1px;background:var(--border-light);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.month-grid .day-header{background:var(--surface);padding:10px;text-align:center;font-weight:600;font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted)}.month-grid .day-cell{background:var(--surface);min-height:110px;padding:6px 8px;cursor:pointer;transition:background .15s;position:relative}.month-grid .day-cell:hover{background:var(--surface-hover)}.month-grid .day-cell.other-month{opacity:.4}.month-grid .day-cell.today .day-number{background:var(--primary);color:#fff;border-radius:50%;width:28px;height:28px;display:flex;align-items:center;justify-content:center}.day-number{font-size:.85rem;font-weight:500;margin-bottom:4px;width:28px;height:28px;display:flex;align-items:center;justify-content:center}.month-event{padding:2px 6px;border-radius:4px;font-size:.72rem;font-weight:500;margin-bottom:2px;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer;transition:opacity .15s}.month-event:hover{opacity:.85}.more-events{font-size:.7rem;color:var(--text-muted);font-weight:500;padding:2px 6px}.month-grid .day-cell.drag-selected{background:var(--primary-light)!important}.month-grid{-webkit-user-select:none;user-select:none}.day-col-header.drag-selected{background:var(--primary-light)!important}.time-column.drag-selected-col{background:#4f86c60f}.week-view,.day-view{display:flex;flex-direction:column;background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.week-header{display:grid;border-bottom:1px solid var(--border)}.week-header .day-col-header{text-align:center;padding:10px 4px;border-left:1px solid var(--border-light)}.week-header .day-col-header:first-child{border-left:none}.week-header .day-col-header .dow{font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted)}.week-header .day-col-header .dom{font-size:1.3rem;font-weight:600;margin-top:2px}.week-header .day-col-header.today .dom{background:var(--primary);color:#fff;border-radius:50%;width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center}.time-grid-wrapper{display:flex;flex:1;overflow-y:auto;position:relative}.time-labels{width:60px;flex-shrink:0;position:relative}.time-label{height:60px;display:flex;align-items:flex-start;justify-content:flex-end;padding-right:10px;font-size:.72rem;color:var(--text-muted);font-weight:500;transform:translateY(-8px)}.time-columns{display:grid;flex:1;position:relative}.time-column{border-left:1px solid var(--border-light);position:relative}.time-slot{height:60px;border-bottom:1px solid var(--border-light)}.time-slot:nth-child(2n){border-bottom-style:dotted}.week-event{position:absolute;left:2px;right:2px;border-radius:5px;padding:4px 8px;font-size:.75rem;font-weight:500;color:#fff;overflow:hidden;cursor:pointer;z-index:2;transition:opacity .15s,transform .1s;box-shadow:0 1px 3px #00000026}.week-event:hover{opacity:.9;transform:scale(1.01);z-index:3}.week-event .event-time{font-size:.65rem;opacity:.85}.now-line{position:absolute;left:0;right:0;height:2px;background:var(--danger);z-index:5;pointer-events:none}.now-line:before{content:"";position:absolute;left:-5px;top:-4px;width:10px;height:10px;border-radius:50%;background:var(--danger)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:100;animation:fadeIn .15s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(16px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.modal{background:var(--surface);border-radius:14px;padding:28px;width:480px;max-width:95vw;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:slideUp .2s ease}.modal h2{font-size:1.15rem;font-weight:700;margin-bottom:20px;color:var(--text)}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:.8rem;font-weight:600;color:var(--text-secondary);margin-bottom:5px;text-transform:uppercase;letter-spacing:.04em}.form-group input,.form-group textarea,.form-group select{width:100%}.form-group textarea{resize:vertical;min-height:60px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.checkbox-row{display:flex;align-items:center;gap:8px}.checkbox-row input[type=checkbox]{width:18px;height:18px;accent-color:var(--primary)}.checkbox-row label{font-size:.85rem;font-weight:500;color:var(--text);text-transform:none;letter-spacing:0;margin:0}.color-options{display:flex;gap:8px;flex-wrap:wrap}.color-swatch{width:28px;height:28px;border-radius:50%;border:3px solid transparent;cursor:pointer;transition:all .15s}.color-swatch:hover{transform:scale(1.15)}.color-swatch.active{border-color:var(--text);box-shadow:0 0 0 2px var(--surface),0 0 0 4px var(--text)}.people-section{margin-bottom:16px}.people-list{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}.person-chip{display:flex;align-items:center;gap:4px;padding:4px 10px;background:var(--primary-light);color:var(--primary-dark);border-radius:20px;font-size:.8rem;font-weight:500}.person-chip .remove{cursor:pointer;font-size:1rem;line-height:1;opacity:.6;transition:opacity .15s}.person-chip .remove:hover{opacity:1}.add-person-row{display:flex;gap:8px}.add-person-row input{flex:1}.small-btn{padding:6px 12px;border-radius:var(--radius-sm);font-size:.8rem;font-weight:600;transition:all .15s}.small-btn.primary{background:var(--primary);color:#fff}.small-btn.primary:hover{background:var(--primary-dark)}.small-btn.danger{color:var(--danger)}.small-btn.danger:hover{background:var(--danger-light)}.notification-row{display:flex;align-items:center;gap:8px;margin-bottom:8px}.notification-row select,.notification-row input{flex:1}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px;padding-top:16px;border-top:1px solid var(--border-light)}.btn{padding:10px 20px;border-radius:var(--radius-sm);font-weight:600;font-size:.85rem;transition:all .15s}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 2px 6px #4f86c64d}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:var(--bg);color:var(--text-secondary)}.btn-secondary:hover{background:var(--surface-hover);color:var(--text)}.btn-danger{background:var(--danger-light);color:var(--danger)}.btn-danger:hover{background:var(--danger);color:#fff}.toast-container{position:fixed;top:20px;right:20px;z-index:200;display:flex;flex-direction:column;gap:8px}.toast{background:var(--surface);border-left:4px solid var(--primary);padding:14px 18px;border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);animation:slideIn .3s ease;max-width:360px}@keyframes slideIn{0%{opacity:0;transform:translate(40px)}to{opacity:1;transform:translate(0)}}.toast-title{font-weight:600;font-size:.9rem}.toast-message{font-size:.8rem;color:var(--text-secondary);margin-top:2px}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#e8f0fb 0%,var(--bg) 50%,#f0e8fb 100%);padding:20px}.auth-card{background:var(--surface);border-radius:16px;padding:40px;width:420px;max-width:100%;box-shadow:var(--shadow-lg);animation:slideUp .3s ease}.auth-logo{font-weight:700;font-size:1.5rem;color:var(--primary);letter-spacing:-.02em;text-align:center;margin-bottom:8px}.auth-card h2{font-size:1.1rem;font-weight:600;color:var(--text-secondary);text-align:center;margin-bottom:28px}.auth-submit{width:100%;padding:12px;margin-top:8px;font-size:.95rem}.auth-submit:disabled{opacity:.6;cursor:not-allowed}.auth-errors{background:var(--danger-light);color:var(--danger);padding:10px 14px;border-radius:var(--radius-sm);font-size:.85rem;font-weight:500;margin-bottom:12px}.auth-success{background:#e8f8ef;color:var(--success);padding:16px;border-radius:var(--radius-sm);font-size:.9rem;text-align:center;line-height:1.6}.auth-links{display:flex;flex-direction:column;align-items:center;gap:8px;margin-top:20px}.auth-link{font-size:.85rem;color:var(--primary);font-weight:500;cursor:pointer;transition:color .15s;background:none;border:none;padding:0}.auth-link:hover{color:var(--primary-dark);text-decoration:underline}.user-menu{display:flex;align-items:center;gap:12px;margin-left:8px;padding-left:16px;border-left:1px solid var(--border)}.user-name{font-size:.85rem;font-weight:600;color:var(--text-secondary)}.logout-btn{font-size:.8rem;font-weight:500;color:var(--text-muted);cursor:pointer;transition:color .15s;padding:4px 8px;border-radius:var(--radius-sm)}.logout-btn:hover{color:var(--danger);background:var(--danger-light)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}