:root{--color-bg: #f8fafc;--color-surface: #ffffff;--color-text: #0f172a;--color-text-muted: #64748b;--color-primary: #3b82f6;--color-primary-hover: #2563eb;--color-border: #e2e8f0;--color-weekend: #f1f5f9;--color-holiday: #fee2e2;--color-holiday-text: #ef4444;--font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--color-bg);color:var(--color-text);line-height:1.5;-webkit-font-smoothing:antialiased}button{cursor:pointer;font-family:inherit}.calendar-year-view{display:flex;flex-direction:column;gap:0;padding:var(--spacing-md);max-width:100%}.calendar-month{display:flex;background:var(--color-surface);border-left:1px solid var(--color-border);border-right:1px solid var(--color-border);border-bottom:1px solid var(--color-border);padding:0}.calendar-month:first-child{border-top:1px solid var(--color-border);border-top-left-radius:8px;border-top-right-radius:8px}.calendar-month:last-child{border-bottom-left-radius:8px;border-bottom-right-radius:8px}.month-sidebar{width:40px;background-color:#f8fafc;border-right:1px solid var(--color-border);display:flex;flex-direction:column;justify-content:center;align-items:center;padding:var(--spacing-sm) 0;flex-shrink:0}.month-label{writing-mode:vertical-lr;transform:rotate(180deg);font-weight:700;font-size:1rem;color:var(--color-primary);text-transform:uppercase;letter-spacing:1px}.year-label{writing-mode:vertical-lr;transform:rotate(180deg);font-size:.75rem;color:var(--color-text-muted);margin-top:var(--spacing-xs)}.month-content{flex:1;display:flex;flex-direction:column}.month-header{display:none}.week-days-header{display:grid;grid-template-columns:repeat(7,1fr);text-align:center;font-size:.875rem;color:var(--color-text-muted);padding:var(--spacing-xs) 0;background-color:#f8fafc;border-bottom:1px solid var(--color-border)}.month-grid-weeks{display:flex;flex-direction:column;gap:1px;background-color:var(--color-border);border:none}.week-row{display:grid;grid-template-columns:repeat(7,1fr);gap:1px}.week-row.elapsed-week .day-cell{background-color:#f1f5f9;color:#94a3b8;opacity:.8}.day-cell{background-color:var(--color-surface);min-height:60px;padding:var(--spacing-xs);font-size:.875rem;position:relative;display:flex;flex-direction:column;cursor:pointer;transition:background-color .2s}.day-cell:hover{background-color:#f8fafc}.day-cell.weekend{background-color:var(--color-weekend)}.day-cell.today{background-color:#eff6ff}.day-cell.droppable-over{background-color:#f0fdf4;outline:2px dashed #22c55e;z-index:2}.day-number{font-weight:500;margin-bottom:var(--spacing-xs)}.day-name-mobile{display:none}.day-cell.today .day-number{color:var(--color-primary);font-weight:700}.day-events{display:flex;flex-direction:column;gap:2px;flex:1}.event-label{font-size:.7rem;padding:2px 4px;border-radius:4px;white-space:normal;word-break:break-word;cursor:pointer;display:flex;align-items:center;gap:4px;transition:transform .1s}.event-label:hover{transform:scale(1.02);z-index:1}.event-icon{font-size:.8rem}@media(max-width:768px){.calendar-year-view{padding:var(--spacing-sm)}.calendar-month{flex-direction:column}.month-sidebar{width:100%;flex-direction:row;height:auto;padding:var(--spacing-xs);gap:var(--spacing-sm);border-right:none;border-bottom:1px solid var(--color-border)}.month-label,.year-label{writing-mode:horizontal-tb;transform:none;margin:0}.week-days-header{display:none}.week-row{display:flex;flex-direction:column;gap:1px}.day-cell{min-height:auto;padding:var(--spacing-sm);flex-direction:row;align-items:flex-start;gap:var(--spacing-md)}.day-number{margin-bottom:0;min-width:60px;font-size:.9rem}.day-name-mobile{display:inline;margin-right:4px;color:var(--color-text-muted)}.day-events{flex-direction:column;gap:4px}.event-label{font-size:.8rem;padding:4px 8px;white-space:normal}}.header-root{position:sticky;top:0;z-index:40;background-color:#fffffff2;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid #e2e8f0;padding:12px 24px;box-sizing:border-box;transition:box-shadow .2s ease}.header-root.scrolled{box-shadow:0 4px 6px -1px #0000001a}.header-container{display:flex;align-items:center;justify-content:space-between;width:100%;gap:16px;flex-wrap:nowrap}.header-title{font-size:24px;font-weight:700;color:#1a202c;margin:0;white-space:nowrap;order:1}.header-collapsible{display:flex;align-items:center;gap:24px;flex:1;order:2}.header-controls{display:flex;gap:8px;align-items:center}.category-filter-container{flex:1;display:flex;justify-content:flex-end;overflow-x:auto;max-width:100%;padding-bottom:4px;scrollbar-width:none}.category-filter-container::-webkit-scrollbar{display:none}.profile-container{display:flex;align-items:center;gap:12px;padding-left:24px;border-left:1px solid #e2e8f0;min-width:40px;order:3}.mobile-menu-toggle{display:none;background:transparent;border:none;cursor:pointer;padding:6px;color:var(--color-text);border-radius:4px;align-items:center;justify-content:center}.mobile-menu-toggle:hover{background:var(--color-border)}.action-button{display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);border-radius:20px;border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);font-size:.875rem;box-shadow:var(--shadow-sm);transition:all .2s ease;cursor:pointer;white-space:nowrap}.action-button:hover{background:#f8fafc}@media(min-width:769px){.mobile-menu-toggle{display:none!important}}@media(max-width:768px){.header-root{padding:12px 0 0}.header-container{flex-wrap:wrap;gap:0}.header-title{font-size:20px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1;min-width:0;padding-left:16px;box-sizing:border-box}.profile-container{padding-right:16px;padding-left:0;border-left:none;flex:none;gap:8px}.mobile-menu-toggle{display:flex!important;position:relative;z-index:50}.header-collapsible{display:none;flex:0 0 100%;box-sizing:border-box;flex-direction:row;align-items:center;gap:12px;padding:12px 16px;margin-top:12px;background-color:#f8fafc;border-top:1px solid #e2e8f0;order:4;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.header-collapsible.open{display:flex}.header-collapsible::-webkit-scrollbar{display:none}.header-controls{display:flex;flex-direction:row;align-items:center;width:auto;gap:8px;flex-shrink:0}.header-controls .action-button{width:auto;max-width:none}.category-filter-container{display:flex;width:auto;justify-content:flex-start;flex-shrink:0;padding-bottom:0}.category-filter-container>div{flex-wrap:nowrap!important}}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px}.auth-card{background:#fff;border-radius:12px;padding:40px;box-shadow:0 20px 60px #0000004d;max-width:420px;width:100%}.auth-title{text-align:center;font-size:32px;font-weight:700;margin-bottom:8px;color:#1a202c}.auth-subtitle{text-align:center;font-size:18px;font-weight:400;color:#718096;margin-bottom:32px}.auth-form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-weight:500;font-size:14px;color:#2d3748}.form-group input{padding:12px 16px;border:1px solid #e2e8f0;border-radius:8px;font-size:16px;transition:border-color .2s,box-shadow .2s}.form-group input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.form-group input:disabled{background-color:#f7fafc;cursor:not-allowed}.error-message{padding:12px;background-color:#fed7d7;color:#c53030;border-radius:8px;font-size:14px;text-align:center}.success-message{padding:12px;background-color:#c6f6d5;color:#22543d;border-radius:8px;font-size:14px;text-align:center}.auth-button{padding:14px 24px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s;margin-top:8px}.auth-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 20px #667eea4d}.auth-button:active:not(:disabled){transform:translateY(0)}.auth-button:disabled{opacity:.6;cursor:not-allowed}.auth-toggle{text-align:center;margin-top:24px;font-size:14px;color:#718096}.toggle-button{background:none;border:none;color:#667eea;font-weight:600;cursor:pointer;text-decoration:underline;padding:0;font-size:14px}.toggle-button:hover:not(:disabled){color:#764ba2}.toggle-button:disabled{opacity:.6;cursor:not-allowed}