:root{--color-brand: #6b53e2;--color-text: #11181c;--color-background: #ffffff;--color-muted: #687076;--color-border: #ececee;--color-surface: #ffffff;--color-gray-50: #f9f9fb;--color-gray-100: #f4f4f7;--color-gray-200: #f0f0f0;--color-gray-400: #9aa0a6;--color-gold: #c8a84a;--color-danger: #d64545;--color-warning: #f5a623;--color-success: #2e8b57;--color-overlay: rgba(0, 0, 0, .4);--color-shadow: rgba(17, 24, 28, .08);--color-brand-focus: rgba(107, 83, 226, .25);--color-shadow-strong: rgba(0, 0, 0, .12);--color-shadow-soft: rgba(0, 0, 0, .08);--shadow-soft: 0 8px 24px rgba(17, 24, 28, .08);--radius-lg: 16px;--radius-md: 12px;--radius-sm: 8px;--font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;padding:0}body{font-family:var(--font-family);color:var(--color-text);background:var(--color-background)}a{color:inherit;text-decoration:none}button{font-family:inherit}.app-shell{min-height:100%;display:flex;flex-direction:column}.page{flex:1;display:flex;flex-direction:column;padding:24px;gap:24px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft)}.form-grid{display:grid;gap:16px}.input{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--color-muted)}.input input,.input textarea,.input select{font-family:inherit;font-size:16px;padding:12px 14px;border-radius:var(--radius-sm);border:1px solid var(--color-border);min-height:44px}.input input:focus,.input textarea:focus,.input select:focus{outline:2px solid var(--color-brand-focus);border-color:var(--color-brand)}.button{border:none;border-radius:999px;padding:12px 18px;background:var(--color-brand);color:var(--color-surface);font-weight:600;cursor:pointer}.button.secondary{background:var(--color-surface);color:var(--color-brand);border:1px solid var(--color-brand)}.button.ghost{background:transparent;color:var(--color-text);border:1px solid var(--color-border)}.button:disabled{opacity:.6;cursor:not-allowed}.auth-layout{max-width:420px;margin:32px auto;padding:24px}.auth-title{font-size:28px;font-weight:700}.auth-actions{display:flex;gap:12px;flex-wrap:wrap}.auth-footer{font-size:14px;color:var(--color-muted)}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px}.calendar-shell{display:grid;grid-template-columns:1fr;gap:16px}.calendar-toolbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}.calendar-grid{position:relative;display:grid;grid-template-columns:64px 1fr;border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden}.calendar-time-column{background:var(--color-gray-50);border-right:1px solid var(--color-border)}.calendar-time-cell{height:50px;display:flex;align-items:flex-start;justify-content:center;padding-top:6px;font-size:12px;color:var(--color-muted)}.calendar-days{position:relative;display:grid}.calendar-day-column{position:relative;border-right:1px solid var(--color-border)}.calendar-day-column:last-child{border-right:none}.calendar-day-column.today{background:#6b53e20d}.calendar-cell{height:50px;border-bottom:1px solid var(--color-gray-200)}.calendar-cell:last-child{border-bottom:none}.event-block{position:absolute;left:6px;right:6px;border-radius:10px;padding:10px 8px;color:var(--color-surface);font-size:12px;cursor:grab;display:flex;flex-direction:column;gap:2px;box-shadow:0 6px 14px var(--color-shadow-strong);z-index:2}.event-preview{position:absolute;left:6px;right:6px;border-radius:10px;padding:6px 8px;font-size:12px;color:var(--color-surface);border:1px dashed var(--color-surface);opacity:.45;pointer-events:none;z-index:1}.now-row{position:absolute;left:0;right:0;height:50px;background:#6b53e214;z-index:0;pointer-events:none}.event-block.partial{background:var(--color-gray-400)}.event-block.done{background:var(--color-gold)}.event-resize-handle{position:absolute;left:0;right:0;height:10px;cursor:ns-resize;z-index:3}.event-resize-handle.top{top:0}.event-resize-handle.bottom{bottom:0}.event-title{font-weight:600}.modal-backdrop{position:fixed;inset:0;background:var(--color-overlay);display:flex;align-items:center;justify-content:center;z-index:40}.modal{background:var(--color-surface);border-radius:var(--radius-lg);padding:24px;width:min(720px,92vw);max-height:90vh;overflow:auto}.modal-header{display:flex;align-items:center;justify-content:space-between;gap:12px}.modal-title{font-size:20px;font-weight:700}.subtask-list{display:grid;gap:8px}.subtask-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border:1px solid var(--color-border);border-radius:var(--radius-sm)}.subtask-item.completed{background:var(--color-gray-100);text-decoration:line-through;color:var(--color-muted)}.color-swatch{width:24px;height:24px;border-radius:50%;border:2px solid transparent;cursor:pointer}.color-swatch.active{border-color:var(--color-text)}.toggle-group{display:inline-flex;gap:6px;padding:6px;background:var(--color-gray-100);border-radius:999px}.toggle-group button{background:transparent;border:none;padding:8px 12px;border-radius:999px;cursor:pointer;color:var(--color-muted);font-weight:600}.toggle-group button.active{background:var(--color-surface);color:var(--color-text);box-shadow:0 4px 12px var(--color-shadow-soft)}@media (max-width: 820px){.page{padding:16px}.calendar-grid{grid-template-columns:54px 1fr}}