:root{--bg-base:#f7f8fa;--bg-surface:#fff;--bg-elevated:#eef0f3;--bg-hover:#e2e5ea;--accent:#00c98a;--accent-dim:#00c98a1f;--accent-glow:#00c98a40;--text-primary:#0a0a0f;--text-secondary:#555570;--text-muted:#9999b0;--border:#00000014;--border-accent:#00c98a66;--danger:#e8304a;--warning:#f59e0b;--nav-height:68px;--header-height:58px;--radius-sm:8px;--radius-md:14px;--radius-lg:20px;--font-display:"Syne", sans-serif;--font-body:"DM Sans", sans-serif}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;font-size:16px}body{background:var(--bg-base);color:var(--text-primary);font-family:var(--font-body);-webkit-font-smoothing:antialiased;min-height:100dvh;font-weight:300;line-height:1.6;overflow-x:hidden}#app{z-index:1;flex-direction:column;max-width:480px;min-height:100dvh;margin:0 auto;display:flex;position:relative}.app-header{z-index:100;height:var(--header-height);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);background:#ffffffeb;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;height:100%;padding:0 18px;display:flex}.logo{font-family:var(--font-display);letter-spacing:-.02em;color:var(--text-primary);align-items:center;gap:8px;font-size:17px;font-weight:700;display:flex}.airport-chip{background:var(--bg-elevated);border:1px solid var(--border);color:var(--text-secondary);border-radius:100px;align-items:center;gap:6px;padding:5px 12px;font-size:12px;font-weight:500;display:flex}.chip-dot{background:var(--accent);border-radius:50%;width:6px;height:6px;animation:2s ease-in-out infinite pulse-dot}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.8)}}.screen{padding:16px 16px calc(var(--nav-height) + 16px);flex:1;animation:.2s fade-up;display:none;overflow-y:auto}.screen.active{display:block}@keyframes fade-up{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.gate-hero{border-bottom:1px solid var(--border);margin-bottom:16px;padding:24px 4px 20px}.gate-label{letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:4px;font-size:11px;font-weight:500}.gate-title{font-family:var(--font-display);letter-spacing:-.04em;color:var(--text-primary);margin-bottom:6px;font-size:52px;font-weight:800;line-height:1}.gate-sub{color:var(--text-secondary);font-size:14px}.card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);margin-bottom:12px;padding:16px}.card-header{align-items:center;gap:7px;margin-bottom:12px;display:flex}.card-label{letter-spacing:.1em;text-transform:uppercase;color:var(--text-secondary);flex:1;font-size:11px;font-weight:600}.live-dot{background:var(--accent);border-radius:50%;width:7px;height:7px;animation:1.5s ease-in-out infinite pulse-dot}.online-count{color:var(--text-muted);font-size:11px}.poll-question{font-family:var(--font-display);color:var(--text-primary);margin-bottom:12px;font-size:16px;font-weight:600}.poll-options{flex-direction:column;gap:8px;display:flex}.poll-btn{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;text-align:left;align-items:center;gap:10px;width:100%;padding:10px 12px;transition:border-color .15s,background .15s;display:flex}.poll-btn:hover{border-color:var(--border-accent);background:var(--bg-hover)}.poll-btn.voted{border-color:var(--accent);background:var(--accent-dim)}.poll-label{color:var(--text-primary);min-width:72px;font-size:13px;font-weight:500}.poll-bar-wrap{background:var(--bg-elevated);border-radius:2px;flex:1;height:4px;overflow:hidden}.poll-bar{background:var(--accent);border-radius:2px;height:100%;transition:width .4s}.poll-pct{color:var(--accent);text-align:right;min-width:30px;font-size:12px;font-weight:500}.chat-card{flex-direction:column;display:flex}.chat-feed{scrollbar-width:thin;scrollbar-color:var(--border) transparent;flex-direction:column;gap:10px;min-height:200px;max-height:320px;margin-bottom:14px;padding-right:2px;display:flex;overflow-y:auto}.chat-msg{flex-direction:column;gap:2px;animation:.18s msg-in;display:flex}@keyframes msg-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.chat-msg.own{align-items:flex-end}.msg-meta{color:var(--text-muted);align-items:center;gap:6px;font-size:11px;display:flex}.msg-handle{color:var(--accent);font-weight:500}.msg-bubble{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);overflow-wrap:break-word;max-width:85%;padding:8px 12px;font-size:14px;line-height:1.5}.chat-msg.own .msg-bubble{background:var(--accent-dim);border-color:var(--border-accent);max-width:100%}.chat-msg.own .reaction-bar-wrap{width:max-content;max-width:85%}.chat-composer{border-top:1px solid var(--border);align-items:center;gap:8px;padding-top:14px;display:flex}.chat-input{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);font-family:var(--font-body);color:var(--text-primary);outline:none;flex:1;padding:10px 14px;font-size:14px;transition:border-color .15s}.chat-input::placeholder{color:var(--text-muted)}.chat-input:focus{border-color:var(--border-accent)}.send-btn{background:var(--accent);border-radius:var(--radius-sm);color:#0a0a0f;cursor:pointer;border:none;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;transition:opacity .15s,transform .1s;display:flex}.send-btn:hover{opacity:.85}.send-btn:active{transform:scale(.96)}.screen-header{padding:20px 4px 16px}.screen-title{font-family:var(--font-display);letter-spacing:-.03em;font-size:26px;font-weight:700}.flight-card{padding:20px}.flight-route{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:20px;display:flex}.flight-city{flex-direction:column;align-items:center;gap:4px;display:flex}.iata{font-family:var(--font-display);letter-spacing:-.02em;color:var(--text-primary);font-size:32px;font-weight:800}.city-name{color:var(--text-secondary);font-size:12px}.flight-meta{grid-template-columns:1fr 1fr;gap:14px;display:grid}.meta-item{flex-direction:column;gap:2px;display:flex}.meta-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;font-size:11px}.meta-val{font-family:var(--font-display);color:var(--text-primary);font-size:16px;font-weight:600}.status-on-time{color:var(--accent)}.status-delayed{color:var(--warning)}.status-cancelled{color:var(--danger)}.explore-grid{grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px;display:grid}.explore-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-md);cursor:pointer;flex-direction:column;align-items:center;gap:8px;padding:18px 10px;transition:border-color .15s,background .15s;display:flex}.explore-card:hover{border-color:var(--border-accent);background:var(--bg-elevated)}.explore-icon{font-size:26px}.explore-label{color:var(--text-secondary);text-align:center;font-size:12px;font-weight:500}.setup-hint{color:var(--text-muted);font-size:13px;line-height:1.7}.setup-hint code{background:var(--bg-elevated);border:1px solid var(--border);color:var(--accent);border-radius:4px;padding:1px 6px;font-family:monospace;font-size:12px}.bottom-nav{width:100%;max-width:480px;height:var(--nav-height);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--border);z-index:100;background:#fffffff2;justify-content:space-around;align-items:center;padding:0 8px;display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.nav-btn{cursor:pointer;color:var(--text-muted);border-radius:var(--radius-sm);background:0 0;border:none;flex-direction:column;align-items:center;gap:4px;padding:8px 16px;transition:color .15s;display:flex}.nav-btn span{letter-spacing:.04em;font-size:11px;font-weight:500}.nav-btn:hover{color:var(--text-secondary)}.nav-btn.active{color:var(--accent)}.install-banner{bottom:calc(var(--nav-height) + 12px);background:var(--bg-surface);border:1px solid var(--border-accent);border-radius:var(--radius-md);width:calc(100% - 32px);max-width:440px;color:var(--text-secondary);z-index:200;align-items:center;gap:10px;padding:12px 14px;font-size:13px;display:flex;position:fixed;left:50%;transform:translate(-50%);box-shadow:0 4px 24px #0000001a}.install-banner span{flex:1}.install-banner button{background:var(--accent);border-radius:var(--radius-sm);color:#0a0a0f;cursor:pointer;white-space:nowrap;border:none;padding:6px 14px;font-size:13px;font-weight:600}#install-dismiss{color:var(--text-muted)!important;background:0 0!important;padding:6px 8px!important;font-size:15px!important}.hidden{display:none!important}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}@supports (padding-bottom:env(safe-area-inset-bottom)){.bottom-nav{padding-bottom:env(safe-area-inset-bottom);height:calc(var(--nav-height) + env(safe-area-inset-bottom))}}.nav-logo{width:auto;height:28px;display:block}.feed-tabs{background:var(--bg-elevated);border-radius:var(--radius-sm);gap:4px;margin-bottom:14px;padding:3px;display:flex}.tab{border-radius:calc(var(--radius-sm) - 2px);font-family:var(--font-body);color:var(--text-secondary);cursor:pointer;text-align:center;background:0 0;border:none;flex:1;padding:7px 10px;font-size:13px;font-weight:500;transition:background .15s,color .15s}.tab.active{background:var(--bg-surface);color:var(--accent);box-shadow:0 1px 4px #00000014}.mention{color:var(--accent);font-weight:600}.mention-dropdown{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);z-index:50;position:absolute;bottom:calc(100% + 6px);left:0;right:0;overflow:hidden;box-shadow:0 4px 16px #0000001a}.mention-option{width:100%;font-family:var(--font-body);color:var(--text-primary);text-align:left;cursor:pointer;background:0 0;border:none;padding:9px 14px;font-size:13px;font-weight:500;transition:background .1s,color .1s;display:block}.mention-option:hover{background:var(--accent-dim);color:var(--accent)}.reaction-chips{flex-wrap:wrap;gap:4px;margin-top:4px;display:flex}.reaction-chip{background:var(--bg-elevated);border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:100px;align-items:center;gap:3px;padding:2px 8px;font-size:12px;transition:border-color .15s,background .15s;display:inline-flex}.reaction-chip:hover{border-color:var(--border-accent);background:var(--accent-dim)}.reaction-chip.mine{border-color:var(--accent);background:var(--accent-dim);color:var(--accent)}.reaction-bar-wrap{position:relative}.reaction-bar{background:var(--bg-surface);border:1px solid var(--border);z-index:50;border-radius:100px;gap:2px;padding:4px;animation:.15s pop-in;display:flex;position:absolute;bottom:calc(100% + 6px);left:0;box-shadow:0 4px 20px #0000001f}.chat-msg.own .reaction-bar{left:auto;right:0}@keyframes pop-in{0%{opacity:0;transform:scale(.85)translateY(4px)}to{opacity:1;transform:scale(1)translateY(0)}}.reaction-btn{cursor:pointer;background:0 0;border:none;border-radius:100px;padding:4px 6px;font-size:20px;line-height:1;transition:background .1s,transform .1s}.reaction-btn:hover{background:var(--bg-elevated);transform:scale(1.2)}.chat-composer-wrap{position:relative}