:root{--bg:#f5f4ee;--sidebar-bg:#ece9e2;--sidebar-border:#dcd8ce;--panel:#fff;--text:#2b2a27;--text-soft:#6b6862;--accent:#d97757;--accent-hover:#c4633f;--user-bubble:#ece9e2;--border:#e4e1d8;--danger:#b4453a;--radius:14px;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;margin:0;padding:0}button{cursor:pointer;font-family:inherit}.app{height:100vh;display:flex;overflow:hidden}.sidebar{background:var(--sidebar-bg);border-right:1px solid var(--sidebar-border);flex-direction:column;flex-shrink:0;width:268px;display:flex}.sidebar-head{padding:18px 16px 10px}.brand{letter-spacing:-.01em;align-items:center;gap:9px;font-size:15px;font-weight:700;display:flex}.brand .dot{background:var(--accent);color:#fff;border-radius:7px;place-items:center;width:22px;height:22px;font-size:13px;display:grid}.brand small{color:var(--text-soft);margin-top:2px;font-size:11px;font-weight:500;display:block}.new-btn{background:var(--panel);border:1px solid var(--border);color:var(--text);border-radius:10px;align-items:center;gap:8px;margin:6px 16px 12px;padding:10px 12px;font-size:14px;font-weight:600;transition:background .15s;display:flex}.new-btn:hover{background:#fbfaf7}.conv-list{flex:1;padding:4px 8px 16px;overflow-y:auto}.conv-label{text-transform:uppercase;letter-spacing:.04em;color:var(--text-soft);padding:8px 8px 4px;font-size:11px}.conv-item{color:var(--text);cursor:pointer;border-radius:8px;justify-content:space-between;align-items:center;gap:6px;padding:8px 10px;font-size:13.5px;transition:background .12s;display:flex}.conv-item:hover{background:#e2ded5}.conv-item.active{background:#dcd8cd;font-weight:600}.conv-item span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.conv-del{color:var(--text-soft);opacity:0;background:0 0;border:none;border-radius:6px;padding:2px 4px;font-size:15px;line-height:1}.conv-item:hover .conv-del{opacity:1}.conv-del:hover{color:var(--danger);background:#00000010}.sidebar-foot{border-top:1px solid var(--sidebar-border);color:var(--text-soft);padding:10px 16px 14px;font-size:11px;line-height:1.5}.main{flex-direction:column;flex:1;min-width:0;display:flex}.chat-scroll{flex-direction:column;flex:1;align-items:center;display:flex;overflow-y:auto}.chat-inner{width:100%;max-width:760px;padding:28px 24px 40px}.welcome{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;padding:40px 24px;display:flex}.welcome h1{letter-spacing:-.02em;margin:0 0 10px;font-size:30px;font-weight:700}.welcome p{color:var(--text-soft);max-width:460px;margin:0 0 26px;font-size:15px;line-height:1.55}.chips{flex-wrap:wrap;justify-content:center;gap:10px;max-width:540px;display:flex}.chip{background:var(--panel);border:1px solid var(--border);color:var(--text);border-radius:10px;padding:10px 14px;font-size:13.5px;transition:background .15s,border .15s}.chip:hover{background:#fbfaf7;border-color:#d8d2c6}.msg{gap:13px;margin-bottom:26px;display:flex}.msg .avatar{border-radius:7px;flex-shrink:0;place-items:center;width:28px;height:28px;margin-top:2px;font-size:13px;font-weight:700;display:grid}.msg.user .avatar{color:#4a463d;background:#c9c4b8}.msg.assistant .avatar{background:var(--accent);color:#fff}.msg .body{min-width:0;color:var(--text);overflow-wrap:anywhere;flex:1;padding-top:3px;font-size:15px;line-height:1.65}.msg .body p{margin:0 0 12px}.msg .body strong{font-weight:700}.msg .body h3{margin:18px 0 8px;font-size:16px}.msg .body ul{margin:0 0 12px;padding-left:20px}.msg .body li{margin-bottom:5px}.msg .body code{background:#ece9e2;border-radius:5px;padding:1px 5px;font-size:13px}.msg .body hr{border:none;border-top:1px solid var(--border);margin:16px 0}.cursor{background:var(--accent);vertical-align:text-bottom;border-radius:2px;width:8px;height:16px;animation:1s steps(2,end) infinite blink;display:inline-block}@keyframes blink{50%{opacity:0}}.composer-wrap{background:linear-gradient(to top, var(--bg) 60%, transparent);justify-content:center;width:100%;padding:0 24px 22px;display:flex}.legal-wrap{max-width:760px;color:var(--text);margin:0 auto;padding:40px 24px 80px}.legal-back{color:var(--accent);align-items:center;gap:6px;margin-bottom:24px;font-size:13px;text-decoration:none;display:inline-flex}.legal-back:hover{text-decoration:underline}.legal-wrap h1{margin:0 0 4px;font-size:26px}.legal-updated{color:var(--text-soft);margin-bottom:28px;font-size:12px}.legal-wrap h2{margin:28px 0 8px;font-size:17px}.legal-wrap p,.legal-wrap li{color:#3d3b37;font-size:14px;line-height:1.65}.legal-wrap ul{margin:8px 0;padding-left:20px}.legal-wrap li{margin:4px 0}.legal-fill{background:#fff5e9;border:1px solid #f0d9bd;border-radius:8px;padding:3px 6px;font-weight:600}.legal-foot{border-top:1px solid var(--border);color:var(--text-soft);margin-top:36px;padding-top:16px;font-size:12px}.composer-tools{align-items:center;gap:8px;margin:0 0 8px 4px;display:flex}.niche-label{color:var(--text-soft);font-size:12px}.niche-select{color:var(--text);background:var(--panel);border:1px solid var(--border);cursor:pointer;border-radius:999px;outline:none;padding:5px 10px;font-family:inherit;font-size:12px;transition:border-color .15s}.niche-select:hover:not(:disabled){border-color:var(--accent)}.niche-select:disabled{opacity:.6;cursor:not-allowed}.composer{background:var(--panel);border:1px solid var(--border);border-radius:20px;align-items:flex-end;gap:10px;width:100%;max-width:760px;padding:12px 12px 12px 18px;display:flex;box-shadow:0 2px 14px #0000000d}.composer textarea{resize:none;color:var(--text);background:0 0;border:none;outline:none;flex:1;max-height:200px;padding:6px 0;font-family:inherit;font-size:15px;line-height:1.5}.composer textarea::placeholder{color:#a29d92}.send-btn{background:var(--accent);color:#fff;border:none;border-radius:10px;flex-shrink:0;place-items:center;width:34px;height:34px;font-size:17px;transition:background .15s;display:grid}.send-btn:hover:not(:disabled){background:var(--accent-hover)}.send-btn:disabled{cursor:not-allowed;background:#d7d2c8}.composer-hint{text-align:center;width:100%;max-width:760px;color:var(--text-soft);margin:8px auto 0;font-size:11px}.hint-link{color:var(--text-soft);text-decoration:underline}.hint-link:hover{color:var(--accent)}.cancel-scheduled{color:#2f6b32;background:#eef7ee;border:1px solid #cfe6cf;border-radius:10px;padding:12px 14px;font-size:13px;line-height:1.5}.auth-terms{color:var(--text-soft);text-align:center;margin:12px 0 0;font-size:11px;line-height:1.5}.auth-terms a{color:var(--accent);text-decoration:none}.auth-terms a:hover{text-decoration:underline}.plan-box{border-top:1px solid var(--sidebar-border);padding:12px 14px}.plan-pro{color:#5b4a1e;text-align:center;background:linear-gradient(135deg,#f4e4c1,#e9d199);border-radius:10px;padding:10px;font-size:13px;font-weight:700}.plan-meter{margin-bottom:10px}.plan-count{color:var(--text);font-size:13px}.plan-count strong{color:var(--accent);font-size:15px}.plan-bar{background:#d8d3c8;border-radius:4px;height:6px;margin-top:6px;overflow:hidden}.plan-bar span{background:var(--accent);border-radius:4px;height:100%;transition:width .3s;display:block}.plan-reset{color:var(--text-soft);margin-top:5px;font-size:11px}.plan-btn{background:var(--accent);color:#fff;border:none;border-radius:10px;width:100%;padding:10px;font-size:13.5px;font-weight:700;transition:background .15s}.plan-btn:hover{background:var(--accent-hover)}.plan-restore{width:100%;color:var(--text-soft);background:0 0;border:none;padding:8px 0 2px;font-size:12px;text-decoration:underline}.plan-restore:hover{color:var(--text)}.welcome-free{color:var(--text-soft);background:var(--panel);border:1px solid var(--border);border-radius:10px;margin-top:6px;padding:8px 14px;font-size:13px}.welcome-free strong{color:var(--accent)}.account-btn{background:var(--panel);border:1px solid var(--border);text-align:left;border-radius:10px;align-items:center;gap:9px;width:100%;margin-top:10px;padding:8px 10px;display:flex}.account-btn:hover{background:#fbfaf7}.account-avatar{background:var(--accent);color:#fff;border-radius:50%;flex-shrink:0;place-items:center;width:26px;height:26px;font-size:13px;font-weight:700;display:grid}.account-email{color:var(--text);text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:12.5px;overflow:hidden}.account-gear{color:var(--text-soft);font-size:15px}.google-btn{color:#2b2a27;background:#fff;border:1px solid #d8d2c6;border-radius:12px;justify-content:center;align-items:center;gap:10px;width:100%;margin-bottom:4px;padding:12px;font-size:15px;font-weight:600;display:flex}.google-btn:hover{background:#f7f5f0}.g-icon{background:conic-gradient(from -45deg, #ea4335 0 25%, #fbbc05 0 50%, #34a853 0 75%, #4285f4 0);color:#fff;border-radius:50%;place-items:center;width:22px;height:22px;font-size:13px;font-weight:800;display:grid}.auth-or{text-align:center;color:var(--text-soft);align-items:center;margin:14px 0;font-size:12px;display:flex}.auth-or:before,.auth-or:after{content:"";border-bottom:1px solid var(--border);flex:1}.auth-or span{padding:0 12px}.settings-row{border-bottom:1px solid var(--border);text-align:left;justify-content:space-between;align-items:center;padding:12px 0;font-size:14px;display:flex}.settings-label{color:var(--text-soft)}.settings-val{text-overflow:ellipsis;white-space:nowrap;max-width:60%;font-weight:600;overflow:hidden}.settings-row+.pay-btn{margin-top:20px}.banner{z-index:50;color:#fbf7ee;text-align:center;cursor:pointer;background:#2b2a27;padding:11px 16px;font-size:13.5px;font-weight:600;position:fixed;top:0;left:0;right:0}.banner-x{opacity:.6;margin-left:8px}.modal-backdrop{z-index:60;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#1e1c188c;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.modal{background:var(--panel);text-align:center;border-radius:20px;width:100%;max-width:420px;padding:30px 28px 26px;position:relative;box-shadow:0 20px 60px #00000040}.modal-close{color:var(--text-soft);background:0 0;border:none;font-size:22px;line-height:1;position:absolute;top:14px;right:16px}.modal-badge{background:var(--accent);color:#fff;letter-spacing:.05em;border-radius:20px;margin-bottom:12px;padding:4px 10px;font-size:11px;font-weight:700;display:inline-block}.modal h2{letter-spacing:-.01em;margin:0 0 8px;font-size:21px;font-weight:700}.modal-sub{color:var(--text-soft);margin:0 0 16px;font-size:14px;line-height:1.5}.price{color:var(--text);letter-spacing:-.02em;margin:6px 0 16px;font-size:42px;font-weight:800}.price span{color:var(--text-soft);font-size:16px;font-weight:600}.benefits{text-align:left;margin:0 0 20px;padding:0;list-style:none}.benefits li{border-bottom:1px solid var(--border);padding:7px 0;font-size:14px}.benefits li:last-child{border-bottom:none}.pay-btn{background:var(--accent);color:#fff;border:none;border-radius:12px;width:100%;padding:14px;font-size:15px;font-weight:700;transition:background .15s}.pay-btn:hover:not(:disabled){background:var(--accent-hover)}.pay-btn:disabled{cursor:not-allowed;background:#d7d2c8}.pay-btn.danger{background:var(--danger)}.pay-btn.danger:hover:not(:disabled){background:#9a382f}.pay-btn.ghost{color:var(--accent);border:1px solid var(--accent);background:0 0}.pay-btn.ghost:hover:not(:disabled){background:#d9775714}.modal-plans{max-width:640px}.plan-cards{gap:12px;margin-top:10px;display:flex}.plan-card{border:1px solid var(--border);text-align:left;border-radius:14px;flex-direction:column;flex:1;padding:20px 16px 16px;display:flex;position:relative}.plan-card.featured{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.plan-card-tag{background:var(--accent);color:#fff;white-space:nowrap;border-radius:999px;padding:3px 10px;font-size:11px;font-weight:700;position:absolute;top:-10px;left:50%;transform:translate(-50%)}.plan-card-name{color:var(--text);font-size:15px;font-weight:700}.plan-card-price{color:var(--text);margin:6px 0 2px;font-size:27px;font-weight:800}.plan-card-price span{color:var(--text-soft);font-size:14px;font-weight:600}.plan-card-quota{color:var(--text-soft);margin-bottom:16px;font-size:13px}.plan-card .pay-btn{margin-top:auto}@media (max-width:560px){.plan-cards{flex-direction:column}}.modal .plan-restore{margin-top:12px}.restore-input{border:1px solid var(--border);border-radius:10px;outline:none;width:100%;margin-bottom:12px;padding:12px 14px;font-family:inherit;font-size:15px}.restore-input:focus{border-color:var(--accent)}.restore-msg{color:var(--danger);margin-bottom:12px;font-size:13px}.menu-btn{display:none}@media (max-width:760px){.sidebar{z-index:30;height:100%;transition:transform .2s;position:fixed;transform:translate(-100%);box-shadow:0 0 40px #0003}.sidebar.open{transform:translate(0)}.menu-btn{z-index:20;border:1px solid var(--border);background:var(--panel);border-radius:10px;place-items:center;width:38px;height:38px;font-size:18px;display:grid;position:absolute;top:12px;left:12px}.backdrop{z-index:25;background:#0000004d;position:fixed;inset:0}.chat-inner{padding-top:60px}}