:root{--bg: #fafaf9;--fg: #1c1917;--surface: #ffffff;--border: #e7e5e4;--border-hover: #d6d3d1;--primary: #8b5cf6;--primary-hover: #7c3aed;--secondary: #ec4899;--accent-1: #f59e0b;--accent-2: #10b981;--accent-3: #3b82f6;--text-muted: #78716c;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05)}*{box-sizing:border-box}html,body{height:100%;margin:0;padding:0}body{background:var(--bg);color:var(--fg);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:14px;line-height:1.5}#app{height:100%;display:flex;flex-direction:column}.header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:var(--surface);border-bottom:1px solid var(--border);box-shadow:var(--shadow-sm)}.logo{margin:0;font-size:20px;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.btn{padding:8px 16px;border-radius:8px;border:none;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease;font-family:inherit}.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{background:var(--primary-hover);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-secondary{background:var(--surface);color:var(--fg);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg);border-color:var(--border-hover)}.btn-text{background:transparent;color:var(--text-muted);padding:4px 8px}.btn-text:hover{color:var(--fg);background:var(--bg)}.btn-accept{background:var(--accent-2);color:#fff;padding:6px 12px;font-size:13px}.btn-accept:hover{background:#059669}.btn-decline{background:var(--surface);color:var(--text-muted);border:1px solid var(--border);padding:6px 12px;font-size:13px}.btn-decline:hover{color:#dc2626;border-color:#fecaca;background:#fef2f2}.fab{position:fixed;bottom:24px;right:24px;width:56px;height:56px;border-radius:50%;border:none;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;font-size:28px;cursor:pointer;box-shadow:0 4px 12px #8b5cf666;transition:all .3s ease;z-index:1000;display:flex;align-items:center;justify-content:center}.fab:hover{transform:scale(1.1) rotate(90deg);box-shadow:0 6px 20px #8b5cf680}.fab:active{transform:scale(.95)}.fab.hidden{opacity:0;pointer-events:none;transform:scale(.8)}.fab-icon{display:block;line-height:1;font-weight:300}main{flex:1;overflow-y:auto;padding:20px}.view{max-width:800px;margin:0 auto}.view.hidden{display:none}.view-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.view-header h2{margin:0;font-size:24px;font-weight:700}.filter-tabs{display:flex;gap:8px;margin-bottom:20px;padding:4px;background:var(--surface);border-radius:10px;border:1px solid var(--border)}.filter-tab{flex:1;padding:8px 16px;border:none;background:transparent;border-radius:6px;font-size:13px;font-weight:500;color:var(--text-muted);cursor:pointer;transition:all .2s ease}.filter-tab:hover{color:var(--fg);background:var(--bg)}.filter-tab.active{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}.events-list{display:flex;flex-direction:column;gap:12px}.event-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px;cursor:pointer;transition:all .2s ease;position:relative;overflow:hidden}.event-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent-3)}.event-card.organizer:before{background:var(--accent-1)}.event-card.pending:before{background:var(--secondary)}.event-card:hover{border-color:var(--border-hover);box-shadow:var(--shadow-md);transform:translateY(-2px)}.event-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:8px}.event-title{font-size:16px;font-weight:600;margin:0 0 4px;color:var(--fg)}.event-status{display:inline-flex;align-items:center;gap:4px;padding:4px 8px;border-radius:6px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.event-status.hosting{background:#fef3c7;color:#92400e}.event-status.attending{background:#d1fae5;color:#065f46}.event-status.pending{background:#fce7f3;color:#9f1239}.event-datetime{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--text-muted);margin-bottom:8px}.event-location{display:flex;align-items:center;gap:4px;font-size:13px;color:var(--text-muted)}.event-attendees{display:flex;align-items:center;gap:4px;margin-top:12px;padding-top:12px;border-top:1px solid var(--border);font-size:12px;color:var(--text-muted)}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state.hidden{display:none}.empty-state p{margin:0;font-size:15px}.event-form{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:24px;box-shadow:var(--shadow-sm)}.form-group{margin-bottom:20px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-group label{display:block;margin-bottom:8px;font-size:13px;font-weight:600;color:var(--fg)}.checkbox-label{display:flex!important;align-items:center;gap:8px;cursor:pointer;font-weight:500!important}.checkbox-label input[type=checkbox]{width:auto!important;margin:0;cursor:pointer}.checkbox-label span{-webkit-user-select:none;user-select:none}.form-group input,.form-group textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit;background:var(--surface);color:var(--fg);transition:all .2s ease}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #8b5cf61a}.form-group textarea{resize:vertical}.invitees-container{position:relative}.contact-dropdown{position:absolute;top:100%;left:0;right:0;background:var(--surface);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow-md);max-height:200px;overflow-y:auto;z-index:100;margin-top:4px}.contact-dropdown.hidden{display:none}.contact-item{padding:10px 12px;cursor:pointer;transition:background .15s ease;display:flex;align-items:center;gap:10px}.contact-item:hover{background:var(--bg)}.contact-item:first-child{border-radius:8px 8px 0 0}.contact-item:last-child{border-radius:0 0 8px 8px}.contact-avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;flex-shrink:0}.contact-info{flex:1;min-width:0}.contact-name{font-size:14px;font-weight:500;color:var(--fg)}.contact-did{font-size:12px;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.selected-contacts{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.selected-contacts:empty{display:none}.contact-chip{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;background:var(--bg);border:1px solid var(--border);border-radius:20px;font-size:13px;color:var(--fg)}.contact-chip-avatar{width:20px;height:20px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:600}.contact-chip-name{font-weight:500}.contact-chip-remove{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:0;width:16px;height:16px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .15s ease;font-size:14px;line-height:1}.contact-chip-remove:hover{background:var(--border);color:var(--fg)}.dropdown-empty{padding:12px;text-align:center;color:var(--text-muted);font-size:13px}.form-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:24px;padding-top:20px;border-top:1px solid var(--border)}.event-detail{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:24px;box-shadow:var(--shadow-sm)}.detail-header{margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--border)}.detail-title{font-size:24px;font-weight:700;margin:0 0 12px;color:var(--fg)}.detail-info{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}.detail-row{display:flex;align-items:flex-start;gap:12px;font-size:14px}.detail-icon{flex-shrink:0;font-size:16px;opacity:.7}.detail-label{font-weight:600;color:var(--fg);min-width:80px}.detail-value{color:var(--text-muted);flex:1}.detail-description{margin-top:20px;padding-top:20px;border-top:1px solid var(--border)}.detail-description h3{font-size:14px;font-weight:600;margin:0 0 8px;color:var(--fg)}.detail-description p{margin:0;color:var(--text-muted);line-height:1.6}.detail-attendees{margin-top:20px;padding-top:20px;border-top:1px solid var(--border)}.detail-attendees h3{font-size:14px;font-weight:600;margin:0 0 12px;color:var(--fg)}.attendees-list{display:flex;flex-direction:column;gap:8px}.attendee-item{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:var(--bg);border-radius:8px;font-size:13px}.attendee-name{color:var(--fg);font-weight:500}.attendee-status{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.attendee-status.accepted{color:var(--accent-2)}.attendee-status.pending{color:var(--text-muted)}.attendee-status.declined{color:#dc2626}.detail-actions{margin-top:24px;display:flex;gap:12px}@media (max-width: 600px){.header{padding:12px 16px}.logo{font-size:18px}main{padding:16px}.form-row{grid-template-columns:1fr}.event-form{padding:20px}.filter-tabs{flex-direction:column}.filter-tab{text-align:center}}