:root{--bg-body: #f5f5f5;--bg-card: white;--bg-item: #fafafa;--bg-item-hover: #f0f0f0;--bg-input: white;--text-primary: #333;--text-secondary: #666;--text-muted: #999;--text-heading: #2c3e50;--border-light: #eee;--border-medium: #ddd;--border-input: #e0e0e0;--accent-primary: #3498db;--accent-primary-hover: #2980b9;--accent-danger: #e74c3c;--accent-danger-hover: #c0392b;--shadow: rgba(0, 0, 0, .1);--bg-button-secondary: #f0f0f0;--bg-button-secondary-hover: #e0e0e0;--bg-active: #e3f2fd;--text-active: #3498db}[data-theme=dark]{--bg-body: #121212;--bg-card: #1e1e1e;--bg-item: #2d2d2d;--bg-item-hover: #3d3d3d;--bg-input: #2d2d2d;--text-primary: #e0e0e0;--text-secondary: #a0a0a0;--text-muted: #707070;--text-heading: #f0f0f0;--border-light: #3d3d3d;--border-medium: #4d4d4d;--border-input: #4d4d4d;--accent-primary: #5dade2;--accent-primary-hover: #3498db;--accent-danger: #e74c3c;--accent-danger-hover: #c0392b;--shadow: rgba(0, 0, 0, .3);--bg-button-secondary: #3d3d3d;--bg-button-secondary-hover: #4d4d4d;--bg-active: #1a3a4a;--text-active: #5dade2}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background-color:var(--bg-body);color:var(--text-primary);line-height:1.6}.app-container{width:100%;min-height:100vh;padding:20px;display:flex;flex-direction:column}.container{max-width:600px;margin:40px auto;padding:20px;background:var(--bg-card);border-radius:8px;box-shadow:0 2px 10px var(--shadow)}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding:16px 20px;background:var(--bg-card);border-radius:8px;box-shadow:0 2px 10px var(--shadow)}h1{color:var(--text-heading);font-size:24px}.user-info{display:flex;align-items:center;gap:12px;color:var(--text-secondary);font-size:14px}.theme-toggle-btn{padding:6px 10px;font-size:16px;background-color:var(--bg-button-secondary);border:none;border-radius:4px;cursor:pointer;transition:background-color .2s}.theme-toggle-btn:hover{background-color:var(--bg-button-secondary-hover)}.logout-btn{padding:6px 12px;font-size:14px;background-color:#95a5a6;color:#fff;border:none;border-radius:4px;cursor:pointer;transition:background-color .2s}.logout-btn:hover{background-color:#7f8c8d}.maintenance-btn{padding:6px 12px;font-size:14px;background-color:#3498db;color:#fff;border:none;border-radius:4px;cursor:pointer;transition:background-color .2s}.maintenance-btn:hover{background-color:#2980b9}.main-content{flex:1;display:flex;gap:16px;min-height:0}.main-content.three-column{display:flex;flex-wrap:nowrap}.main-content.three-column .section{background:var(--bg-card);border-radius:8px;box-shadow:0 2px 10px var(--shadow);padding:16px;display:flex;flex-direction:column;min-height:400px;max-height:calc(100vh - 140px);overflow:hidden}.main-content.three-column .recurring-section,.main-content.three-column .todos-section{flex:0 0 auto}.main-content.three-column .planner-section{flex:1 1 auto;min-width:300px}.resize-handle{width:6px;background:transparent;cursor:col-resize;position:relative;flex-shrink:0;transition:background-color .2s}.resize-handle:hover{background:var(--accent-primary)}.resize-handle:after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:2px;height:40px;background:var(--border-medium);border-radius:1px}.resize-handle:hover:after{background:#fff}.main-content.three-column .section .recurring-task-list,.main-content.three-column .section .todo-list{flex:1;overflow-y:auto}.main-content.three-column .todos-section.drag-over{background:var(--bg-active);border:2px dashed var(--accent-primary)}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--border-light)}.section-header h2{font-size:20px;color:var(--text-heading)}.sort-controls{display:flex;align-items:center;gap:8px;font-size:14px}.sort-controls select{padding:6px 10px;border:1px solid var(--border-medium);border-radius:4px;font-size:14px;background-color:var(--bg-input);color:var(--text-primary)}.todo-form{display:flex;gap:10px;margin-bottom:20px;flex-wrap:wrap}.todo-form.minimal{position:relative}.todo-input{flex:1;min-width:200px;padding:12px 16px;font-size:16px;border:2px solid var(--border-input);border-radius:6px;outline:none;transition:border-color .2s;background-color:var(--bg-input);color:var(--text-primary)}.todo-input:focus{border-color:var(--accent-primary)}.options-btn{padding:12px 16px;font-size:18px;background-color:var(--bg-button-secondary);border:none;border-radius:6px;cursor:pointer;color:var(--text-primary)}.options-btn:hover{background-color:var(--bg-button-secondary-hover)}.add-btn{padding:12px 24px;font-size:16px;background-color:var(--accent-primary);color:#fff;border:none;border-radius:6px;cursor:pointer;transition:background-color .2s}.add-btn:hover{background-color:var(--accent-primary-hover)}.add-btn.small{padding:6px 12px;font-size:13px}.advanced-fields{width:100%;padding:12px;background:var(--bg-item);border-radius:6px;margin-top:10px}.todo-list{list-style:none}.todo-item{display:flex;flex-direction:column;gap:10px;padding:14px;background:var(--bg-item);border-radius:6px;margin-bottom:8px;transition:all .2s;cursor:grab}.todo-item-main{display:flex;align-items:flex-start;gap:12px}.todo-item:hover{background:var(--bg-item-hover)}.todo-item.completed{opacity:.6}.todo-item.overdue{border-left:4px solid var(--accent-danger)}.todo-item input[type=checkbox]{width:20px;height:20px;cursor:pointer;flex-shrink:0}.todo-content{flex:1;min-width:0}.todo-text{display:block;font-size:16px;word-break:break-word}.todo-item.completed .todo-text{text-decoration:line-through;color:var(--text-muted)}.todo-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px;font-size:12px}.todo-priority{padding:2px 8px;border-radius:4px;color:#fff;font-weight:500}.todo-deadline{color:var(--text-secondary)}.todo-deadline.overdue{color:var(--accent-danger);font-weight:500}.todo-time{color:var(--accent-primary)}.todo-recurring{color:#9b59b6;font-size:14px}.todo-actions{display:flex;gap:6px;justify-content:flex-end}.edit-btn,.plan-btn{padding:6px 12px;font-size:13px;background-color:var(--accent-primary);color:#fff;border:none;border-radius:4px;cursor:pointer;transition:background-color .2s}.edit-btn:hover,.plan-btn:hover{background-color:var(--accent-primary-hover)}.delete-btn{padding:6px 12px;font-size:13px;background-color:var(--accent-danger);color:#fff;border:none;border-radius:4px;cursor:pointer;transition:background-color .2s}.delete-btn:hover{background-color:var(--accent-danger-hover)}.recurring-task-list{list-style:none}.recurring-task-item{display:flex;flex-direction:column;gap:10px;padding:14px;background:var(--bg-item);border-radius:6px;margin-bottom:8px;transition:background-color .2s}.recurring-task-item:hover{background:var(--bg-item-hover)}.recurring-task-content{display:flex;align-items:flex-start;gap:12px}.habit-indicator{width:12px;height:12px;border-radius:50%;flex-shrink:0}.recurring-task-info{flex:1}.recurring-task-text{font-size:16px;font-weight:500}.recurring-task-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px;font-size:12px}.recurring-task-interval{color:var(--text-secondary);background:var(--bg-button-secondary);padding:2px 8px;border-radius:4px}.recurring-task-priority{padding:2px 8px;border-radius:4px;color:#fff;font-weight:500}.recurring-task-time{color:var(--accent-primary)}.habit-score{font-weight:500}.recurring-task-actions{display:flex;gap:6px;justify-content:flex-end}.planner-scroll-container{flex:1;overflow-x:auto;overflow-y:hidden;padding-bottom:8px}.planner-grid{display:flex;gap:12px;width:100%}.planner-day{background:var(--bg-item);border-radius:8px;padding:12px;min-height:200px;min-width:120px;flex:1;transition:all .2s;display:flex;flex-direction:column}.planner-day.drag-over{background:var(--bg-active);border:2px dashed var(--accent-primary)}.planner-day.exceeds-limit{border:2px solid var(--accent-danger)}.planner-day-header{display:flex;justify-content:space-between;align-items:center;padding-bottom:8px;margin-bottom:8px;border-bottom:1px solid var(--border-medium)}.planner-day-name{font-weight:600;font-size:14px;color:var(--text-heading)}.planner-day-time{font-size:12px;color:var(--text-secondary)}.planner-day-time.warning{color:var(--accent-danger);font-weight:600}.planner-day-todos{display:flex;flex-direction:column;gap:6px;flex:1;overflow-y:auto}.planner-empty{color:var(--text-muted);font-size:12px;text-align:center;padding:20px 0}.planner-todo{display:flex;align-items:center;gap:6px;padding:8px;background:var(--bg-card);border-radius:4px;font-size:13px;cursor:grab;transition:all .2s}.planner-todo:active{cursor:grabbing}.planner-todo.drag-over-item{border-top:2px solid var(--accent-primary);margin-top:-2px}.planner-todo input[type=checkbox]{width:16px;height:16px}.planner-todo-text{flex:1;word-break:break-word}.planner-todo-text.completed{text-decoration:line-through;color:var(--text-muted)}.planner-todo-time{font-size:11px;color:var(--accent-primary)}.remove-plan-btn{width:20px;height:20px;padding:0;font-size:14px;line-height:1;background:var(--bg-button-secondary);border:none;border-radius:50%;cursor:pointer;color:var(--text-secondary)}.remove-plan-btn:hover{background:var(--accent-danger);color:#fff}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:var(--bg-card);padding:24px;border-radius:8px;width:90%;max-width:500px;max-height:90vh;overflow-y:auto}.recurring-task-form h3,.todo-form-full h3{margin-bottom:20px;color:var(--text-heading)}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:6px;font-size:14px;font-weight:500;color:var(--text-secondary)}.form-group input[type=text],.form-group input[type=number],.form-group input[type=date],.form-group select{width:100%;padding:10px 12px;font-size:14px;border:2px solid var(--border-input);border-radius:6px;outline:none;transition:border-color .2s;background-color:var(--bg-input);color:var(--text-primary)}.form-group input:focus,.form-group select:focus{border-color:var(--accent-primary)}.form-row{display:flex;gap:12px}.form-row .form-group{flex:1}.checkbox-label{display:flex!important;align-items:center;gap:8px;cursor:pointer}.checkbox-label input[type=checkbox]{width:18px;height:18px}.interval-buttons{display:flex;gap:8px;margin-bottom:12px}.interval-buttons button{flex:1;padding:8px 12px;font-size:13px;background:var(--bg-button-secondary);border:2px solid transparent;border-radius:6px;cursor:pointer;transition:all .2s;color:var(--text-primary)}.interval-buttons button:hover{background:var(--bg-button-secondary-hover)}.interval-buttons button.active{background:var(--bg-active);border-color:var(--accent-primary);color:var(--text-active)}.custom-interval{display:flex;align-items:center;gap:8px}.custom-interval input{width:80px!important}.weekday-selector{margin-top:12px}.weekday-selector label{display:block;margin-bottom:8px;font-size:13px;color:var(--text-secondary)}.weekday-buttons{display:flex;gap:4px;flex-wrap:wrap}.weekday-btn{width:40px;height:36px;font-size:12px;background:var(--bg-button-secondary);border:2px solid transparent;border-radius:6px;cursor:pointer;transition:all .2s;color:var(--text-primary)}.weekday-btn:hover{background:var(--bg-button-secondary-hover)}.weekday-btn.active{background:var(--bg-active);border-color:var(--accent-primary);color:var(--text-active);font-weight:500}.monthly-config{margin-top:12px}.monthly-interval{display:flex;align-items:center;gap:8px;margin-bottom:12px}.monthly-interval input{width:60px!important;text-align:center}.monthly-interval span{font-size:14px;color:var(--text-secondary)}.monthly-type-selector{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}.monthly-type-selector label{display:flex;align-items:center;gap:8px;font-size:14px;cursor:pointer}.monthly-type-selector input[type=radio]{width:16px;height:16px}.monthly-day-selector,.monthly-weekday-selector{margin-top:8px}.monthly-day-selector label,.monthly-weekday-selector label{display:block;margin-bottom:6px;font-size:13px;color:var(--text-secondary)}.monthly-day-selector select{width:80px;padding:8px;font-size:14px;border:2px solid var(--border-input);border-radius:6px;background-color:var(--bg-input);color:var(--text-primary)}.monthly-weekday-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.monthly-weekday-row select{padding:8px;font-size:14px;border:2px solid var(--border-input);border-radius:6px;background-color:var(--bg-input);color:var(--text-primary)}.monthly-weekday-row span{font-size:14px;color:var(--text-secondary)}.form-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid var(--border-light)}.cancel-btn{padding:10px 20px;font-size:14px;background:var(--bg-button-secondary);border:none;border-radius:6px;cursor:pointer;transition:background-color .2s;color:var(--text-primary)}.cancel-btn:hover{background:var(--bg-button-secondary-hover)}.save-btn{padding:10px 20px;font-size:14px;background:var(--accent-primary);color:#fff;border:none;border-radius:6px;cursor:pointer;transition:background-color .2s}.save-btn:hover{background:var(--accent-primary-hover)}.error{background-color:#fee;color:#c00;padding:10px;border-radius:6px;margin-bottom:16px;text-align:center}[data-theme=dark] .error{background-color:#4a1a1a;color:#ff6b6b}.success-message{background-color:#e8f5e9;color:#2e7d32;padding:10px;border-radius:6px;margin-bottom:16px;text-align:center}[data-theme=dark] .success-message{background-color:#1b4332;color:#95d5b2}.empty-message{text-align:center;color:var(--text-muted);font-style:italic;padding:20px}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background-color:var(--bg-body)}.auth-container{width:100%;max-width:400px;padding:40px;background:var(--bg-card);border-radius:8px;box-shadow:0 2px 10px var(--shadow)}.auth-container h1{text-align:center;margin-bottom:32px;color:var(--text-heading)}.auth-form h2{text-align:center;margin-bottom:24px;color:var(--text-heading);font-size:20px}.form-group input:disabled{background-color:var(--bg-item);cursor:not-allowed}.auth-btn{width:100%;padding:14px;font-size:16px;font-weight:500;background-color:var(--accent-primary);color:#fff;border:none;border-radius:6px;cursor:pointer;transition:background-color .2s;margin-top:8px}.auth-btn:hover:not(:disabled){background-color:var(--accent-primary-hover)}.auth-btn:disabled{background-color:#bdc3c7;cursor:not-allowed}.auth-switch{text-align:center;margin-top:20px;color:var(--text-secondary);font-size:14px}.link-btn{background:none;border:none;color:var(--accent-primary);cursor:pointer;font-size:14px;text-decoration:underline}.link-btn:hover{color:var(--accent-primary-hover)}@media (max-width: 1200px){.main-content.three-column{flex-wrap:wrap}.main-content.three-column .recurring-section{flex:1 1 100%;max-height:300px}.main-content.three-column .todos-section,.main-content.three-column .planner-section{flex:1 1 45%;min-width:300px}}@media (max-width: 768px){.app-container{padding:10px}.header{flex-direction:column;gap:12px;text-align:center;padding:12px}h1{font-size:20px}.user-info{flex-wrap:wrap;justify-content:center}.main-content.three-column{flex-direction:column;gap:12px}.main-content.three-column .section{flex:none!important;max-height:none;min-height:auto;min-width:unset!important;width:100%!important}.resize-handle{display:none}.section-header{margin-bottom:12px;padding-bottom:12px}.section-header h2{font-size:18px}.todo-form{flex-direction:column}.todo-input{min-width:100%}.todo-form .add-btn{width:100%}.form-row{flex-direction:column;gap:0}.edit-btn,.delete-btn,.plan-btn{padding:10px 16px;font-size:14px}.todo-actions{justify-content:flex-end;gap:8px}.planner-scroll-container{overflow-x:visible;overflow-y:visible}.planner-grid{flex-direction:column;gap:8px}.planner-day{min-width:unset;min-height:auto;padding:10px}.planner-day-todos{max-height:150px;overflow-y:auto}.modal{width:95%;padding:16px;max-height:85vh}.interval-buttons{flex-wrap:wrap}.interval-buttons button{flex:1 1 45%;min-width:80px}.weekday-buttons{justify-content:center}.weekday-btn{width:38px;height:38px}.auth-container{margin:10px;padding:24px}}@media (max-width: 480px){.app-container{padding:8px}.header{padding:10px;gap:10px}h1{font-size:18px}.user-info{gap:8px;font-size:12px}.user-info button,.maintenance-btn,.logout-btn{padding:5px 10px;font-size:12px}.theme-toggle-btn{padding:5px 8px;font-size:14px}.main-content.three-column .section{padding:12px}.section-header{flex-direction:column;align-items:flex-start;gap:10px}.section-header h2{font-size:16px}.sort-controls{width:100%}.sort-controls select{flex:1}.todo-item{padding:12px}.todo-text{font-size:14px}.todo-meta{font-size:11px}.todo-actions{flex-wrap:wrap}.recurring-task-item{padding:12px}.recurring-task-text{font-size:14px}.recurring-task-meta{font-size:11px}.recurring-task-actions{flex-wrap:wrap}.planner-day{padding:8px}.planner-day-header{flex-direction:column;align-items:flex-start;gap:4px}.planner-day-name{font-size:13px}.planner-day-time{font-size:11px}.planner-todo{padding:6px;font-size:12px}.planner-todo input[type=checkbox]{width:14px;height:14px}.form-group label{font-size:13px}.form-group input[type=text],.form-group input[type=number],.form-group input[type=date],.form-group select{padding:10px;font-size:16px}.todo-input{font-size:16px;padding:10px 12px}.interval-buttons button{flex:1 1 100%;padding:10px}.modal{padding:14px;border-radius:12px 12px 0 0;position:fixed;bottom:0;left:0;right:0;width:100%;max-width:100%;max-height:90vh;margin:0}.modal-overlay{align-items:flex-end}.form-actions{flex-direction:column-reverse;gap:8px}.form-actions button{width:100%}.auth-container{margin:0;border-radius:0;min-height:100vh;display:flex;flex-direction:column;justify-content:center}.auth-container h1{font-size:24px}.auth-btn{padding:16px;font-size:16px}.custom-interval{flex-wrap:wrap}.custom-interval input{width:70px!important}.monthly-interval input{width:50px!important}.monthly-weekday-row{flex-direction:column;align-items:flex-start}.monthly-weekday-row select,.monthly-day-selector select{width:100%}}@media (hover: none) and (pointer: coarse){.todo-item input[type=checkbox],.planner-todo input[type=checkbox]{width:24px;height:24px}.checkbox-label input[type=checkbox]{width:22px;height:22px}.todo-item:hover,.recurring-task-item:hover{background:var(--bg-item)}.todo-item:active,.recurring-task-item:active{background:var(--bg-item-hover)}button:active{opacity:.8}.resize-handle{display:none}.planner-scroll-container,.todo-list,.recurring-task-list{-webkit-overflow-scrolling:touch}}@media (max-width: 768px) and (orientation: landscape){.main-content.three-column{flex-direction:row;flex-wrap:wrap}.main-content.three-column .section{flex:1 1 45%!important;max-height:50vh}.main-content.three-column .planner-section{flex:1 1 100%!important}.planner-grid{flex-direction:row;overflow-x:auto}.planner-day{min-width:140px;flex:0 0 auto}.modal{max-height:95vh;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);bottom:auto;border-radius:8px}.modal-overlay{align-items:center}}@supports (padding: max(0px)){.app-container{padding-left:max(8px,env(safe-area-inset-left));padding-right:max(8px,env(safe-area-inset-right));padding-bottom:max(8px,env(safe-area-inset-bottom))}.modal{padding-bottom:max(14px,env(safe-area-inset-bottom))}}@media print{.header,.todo-actions,.recurring-task-actions,.form-actions,.add-btn,.options-btn{display:none!important}}
