:root{--bg: #0f1419;--surface: #1a2332;--surface2: #243044;--border: #2d3a4f;--text: #e7ecf3;--text-muted: #8b9bb4;--primary: #3b82f6;--primary-hover: #2563eb;--success: #22c55e;--danger: #ef4444;--radius: 12px;--shadow: 0 4px 24px rgba(0,0,0,.4);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;color:var(--text);background:var(--bg)}*{box-sizing:border-box;margin:0;padding:0}body{min-height:100vh;background:linear-gradient(160deg,#0f1419,#151c27,#0f1419)}#root{min-height:100vh}button,input,select,textarea{font:inherit;color:inherit}a{color:var(--primary);text-decoration:none}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1.5rem}.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:2.5rem;width:100%;max-width:400px;box-shadow:var(--shadow)}.auth-card h1{font-size:1.75rem;margin-bottom:.5rem;text-align:center}.auth-card .subtitle{text-align:center;color:var(--text-muted);margin-bottom:2rem;font-size:.95rem}.form-group{margin-bottom:1.25rem}.form-group label{display:block;margin-bottom:.4rem;font-size:.875rem;color:var(--text-muted)}.form-group input,.form-group select,.form-group textarea{width:100%;padding:.75rem 1rem;background:var(--bg);border:1px solid var(--border);border-radius:8px;outline:none;transition:border-color .15s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--primary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.25rem;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:all .15s}.btn-primary{background:var(--primary);color:#fff;width:100%}.btn-primary:hover{background:var(--primary-hover)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border)}.btn-ghost:hover{background:var(--surface2);color:var(--text)}.btn-danger{background:var(--danger);color:#fff}.error-msg{background:#ef444426;color:#fca5a5;padding:.75rem 1rem;border-radius:8px;margin-bottom:1rem;font-size:.9rem}.error-msg.notice{display:flex;justify-content:space-between;align-items:center;gap:1rem}.notice-close{background:none;border:none;color:inherit;font-size:1.25rem;line-height:1;cursor:pointer}.auth-switch{text-align:center;margin-top:1.5rem;color:var(--text-muted);font-size:.9rem}.app-layout{display:flex;flex-direction:column;min-height:100vh}.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:.75rem 1.5rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}.topbar-left{display:flex;align-items:center;gap:1rem}.logo{font-weight:700;font-size:1.25rem;display:flex;align-items:center;gap:.5rem}.logo span{color:var(--primary)}.user-info{color:var(--text-muted);font-size:.9rem}.calendar-container{flex:1;padding:1rem 1.5rem 2rem;max-width:1400px;margin:0 auto;width:100%}.legend{display:flex;gap:1.25rem;margin-bottom:1rem;flex-wrap:wrap;font-size:.85rem;color:var(--text-muted)}.legend-item{display:flex;align-items:center;gap:.4rem}.legend-dot{width:12px;height:12px;border-radius:4px;background:var(--surface2)}.legend-personal{box-shadow:inset 12px 0 #3b82f6}.legend-shared{box-shadow:inset 12px 0 #22c55e}.legend-note{opacity:.85}.fc{--fc-border-color: var(--border);--fc-page-bg-color: transparent;--fc-neutral-bg-color: var(--surface);--fc-list-event-hover-bg-color: var(--surface2);--fc-today-bg-color: rgba(59, 130, 246, .08);--fc-highlight-color: rgba(59, 130, 246, .15);--fc-button-bg-color: var(--surface2);--fc-button-border-color: var(--border);--fc-button-hover-bg-color: var(--primary);--fc-button-hover-border-color: var(--primary);--fc-button-active-bg-color: var(--primary);--fc-button-active-border-color: var(--primary);--fc-button-text-color: var(--text);color:var(--text)}.fc .fc-toolbar-title{font-size:1.35rem!important;font-weight:600}.fc .fc-button{border-radius:8px!important;text-transform:capitalize;font-weight:500;padding:.4rem .8rem!important}.fc-theme-standard td,.fc-theme-standard th{border-color:var(--border)}.fc-daygrid-day-number,.fc-col-header-cell-cushion{color:var(--text-muted);text-decoration:none!important}.fc-event{border-radius:6px!important;border:none!important;font-size:.8rem;padding:2px 4px 2px 8px;cursor:pointer}.fc-event.event-personal{box-shadow:inset 3px 0 #3b82f6}.fc-event.event-shared{box-shadow:inset 3px 0 #22c55e}.fc-list-event-title{color:var(--text)!important}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000a6;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.modal{background:var(--surface);border:1px solid var(--border);border-radius:16px;width:100%;max-width:480px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow);padding:1.75rem}.modal h2{margin-bottom:.75rem;font-size:1.25rem}.modal-hint{color:var(--text-muted);font-size:.85rem;margin-bottom:1rem}.modal-actions{display:flex;gap:.75rem;margin-top:1.5rem;justify-content:flex-end;flex-wrap:wrap}.color-picker{display:flex;gap:.5rem;flex-wrap:wrap}.color-swatch{width:28px;height:28px;border-radius:50%;border:2px solid transparent;cursor:pointer;transition:transform .1s}.color-swatch:hover{transform:scale(1.1)}.color-swatch.selected{border-color:#fff;box-shadow:0 0 0 2px var(--primary)}.recurrence-options{display:flex;flex-direction:column;gap:.75rem}.checkbox-row{display:flex;align-items:center;gap:.5rem}.checkbox-row input{width:auto}@media(max-width:640px){.topbar{padding:.75rem 1rem}.calendar-container{padding:.75rem}.fc .fc-toolbar{flex-direction:column;gap:.5rem}.auth-card{padding:1.75rem}}