:root{--bg-1: #050b1a;--bg-2: #0a1630;--panel: rgba(11, 20, 42, .78);--panel-border: rgba(145, 168, 219, .15);--text-main: #eef4ff;--text-soft: #b8c6e2;--text-muted: #89a0c9;--blue: #3d78ff;--blue-2: #2e63e6;--green: #16c79a;--purple: #8b7cff;--user-bg: rgba(33, 62, 140, .52);--assistant-bg: rgba(10, 63, 56, .72);--shadow-lg: 0 30px 80px rgba(0, 0, 0, .35);--shadow-md: 0 16px 40px rgba(0, 0, 0, .24);--radius-xl: 28px;--radius-lg: 22px;--radius-md: 16px}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--text-main);background:radial-gradient(circle at 10% 15%,rgba(54,106,255,.18),transparent 26%),radial-gradient(circle at 88% 18%,rgba(0,212,255,.1),transparent 20%),radial-gradient(circle at 65% 85%,rgba(139,124,255,.12),transparent 22%),linear-gradient(180deg,var(--bg-1) 0%,var(--bg-2) 100%);overflow-x:hidden}button,textarea{font:inherit}.page-shell{position:relative;min-height:100vh;overflow:hidden}.bg-orb{position:absolute;border-radius:999px;filter:blur(70px);opacity:.55;pointer-events:none}.orb-1{width:360px;height:360px;top:-90px;left:-80px;background:#386cff4d}.orb-2{width:280px;height:280px;top:120px;right:-70px;background:#00c6ff38}.orb-3{width:340px;height:340px;bottom:-100px;left:45%;transform:translate(-50%);background:#8b7cff33}.grid-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:44px 44px;-webkit-mask-image:linear-gradient(180deg,rgba(255,255,255,.45),transparent 75%);mask-image:linear-gradient(180deg,rgba(255,255,255,.45),transparent 75%);pointer-events:none}.app-shell{position:relative;z-index:2;max-width:1320px;margin:0 auto;padding:32px 24px 56px}.hero{margin-bottom:26px}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:#4a71db24;border:1px solid rgba(122,153,233,.18);color:#dce8ff;font-size:.92rem;font-weight:700;letter-spacing:.01em;margin-bottom:18px;box-shadow:inset 0 1px #ffffff0a}.hero h1{margin:0 0 12px;font-size:clamp(3rem,5vw,4.6rem);line-height:.98;font-weight:850;letter-spacing:-.04em;color:#f4f8ff}.hero p{max-width:980px;margin:0;color:var(--text-soft);font-size:1.2rem;line-height:1.55}.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.stat-chip{display:inline-flex;align-items:center;gap:10px;padding:11px 14px;border-radius:999px;background:#0b152bb8;border:1px solid rgba(145,168,219,.14);color:#d5e2fb;font-weight:600;box-shadow:var(--shadow-md)}.stat-dot{width:10px;height:10px;border-radius:999px;display:inline-block}.stat-dot.blue{background:var(--blue);box-shadow:0 0 12px #3d78ffb3}.stat-dot.green{background:var(--green);box-shadow:0 0 12px #16c79aa6}.stat-dot.purple{background:var(--purple);box-shadow:0 0 12px #8b7cffb3}.panel{position:relative;background:linear-gradient(180deg,#111d3ad1,#0c162dd1);border:1px solid var(--panel-border);border-radius:var(--radius-xl);padding:28px;box-shadow:var(--shadow-lg);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);overflow:hidden}.panel:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at top right,rgba(61,120,255,.08),transparent 28%),radial-gradient(circle at bottom left,rgba(139,124,255,.06),transparent 24%);pointer-events:none}.toolbar{position:relative;z-index:1;display:flex;gap:14px;margin-bottom:22px;flex-wrap:wrap}button{border:none;border-radius:18px;padding:13px 20px;cursor:pointer;font-weight:750;color:#fff;background:linear-gradient(180deg,var(--blue) 0%,var(--blue-2) 100%);box-shadow:0 12px 28px #2e63e652,inset 0 1px #ffffff1f;transition:transform .16s ease,box-shadow .16s ease,opacity .16s ease}button:hover{transform:translateY(-1px);box-shadow:0 16px 34px #2e63e661,inset 0 1px #ffffff29}button:disabled{opacity:.72;cursor:not-allowed;transform:none}.chat-window{position:relative;z-index:1;min-height:460px;max-height:640px;overflow-y:auto;background:linear-gradient(180deg,#010818eb,#020a1cf5);border:1px solid rgba(140,165,218,.12);border-radius:28px;padding:18px;box-shadow:inset 0 0 0 1px #ffffff05}.chat-window::-webkit-scrollbar{width:10px}.chat-window::-webkit-scrollbar-thumb{background:#748cbd59;border-radius:999px}.empty-state{min-height:390px;display:grid;place-items:center;text-align:center;padding:36px 18px;color:var(--text-soft)}.empty-state h3{margin:12px 0 8px;font-size:1.4rem;color:#edf3ff}.empty-state p{margin:0;max-width:620px;color:var(--text-muted);line-height:1.7}.empty-icon{width:72px;height:72px;display:grid;place-items:center;border-radius:50%;background:#3b67d61f;border:1px solid rgba(114,145,216,.18);font-size:2rem;color:#dce7ff;margin:0 auto 8px;box-shadow:0 16px 40px #00000038}.bubble{border-radius:26px;padding:22px 24px;margin-bottom:16px;border:1px solid transparent;position:relative;overflow:hidden}.bubble:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.bubble.user{background:linear-gradient(180deg,#1d387fd1,#193070c2);border-color:#6c8cde2e;box-shadow:0 18px 34px #101d4357}.bubble.user:before{background:radial-gradient(circle at top right,rgba(114,156,255,.12),transparent 35%)}.bubble.assistant{background:linear-gradient(180deg,#06322fe6,#062927db);border-color:#3a938729;box-shadow:0 18px 34px #00000047}.bubble.assistant:before{background:radial-gradient(circle at top left,rgba(41,181,154,.1),transparent 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pulseDot{0%,80%,to{transform:scale(.7);opacity:.45}40%{transform:scale(1);opacity:1}}.copy-btn.copied{background:linear-gradient(180deg,#22c55e,#16a34a);color:#fff;box-shadow:0 0 12px #22c55e99}