*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#050a15;--surface:rgba(17,24,39,.8);--border:rgba(99,102,241,.15);--text:#e2e8f0;--muted:#94a3b8;--primary:#818cf8;--green:#34d399;--red:#f87171;--orange:#fbbf24;--blue:#60a5fa;--radius:16px}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);min-height:100vh}
.app{max-width:1100px;margin:0 auto;padding:0 24px}
.navbar{display:flex;justify-content:space-between;align-items:center;padding:20px 0;border-bottom:1px solid var(--border)}
.nav-brand{font-size:1.4rem;font-weight:800;color:var(--primary);display:flex;align-items:center;gap:10px}
.nav-links{display:flex;gap:24px;align-items:center}
.nav-links a{color:var(--muted);text-decoration:none;font-size:.9rem;font-weight:500;transition:color .2s}
.nav-links a.active,.nav-links a:hover{color:var(--primary)}
.hero{text-align:center;padding:60px 0 40px;position:relative}
.hero-glow{position:absolute;top:0;left:50%;transform:translateX(-50%);width:600px;height:300px;background:radial-gradient(ellipse,rgba(129,140,248,.12),transparent 70%);pointer-events:none}
.hero h1{font-size:2.8rem;font-weight:800;margin-bottom:12px;position:relative}
.gradient-text{background:linear-gradient(135deg,#818cf8,#34d399);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero p{color:var(--muted);font-size:1.1rem}
.input-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:24px;backdrop-filter:blur(20px)}
.input-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;flex-wrap:wrap;gap:12px}
.input-header h2{font-size:1rem;font-weight:600;display:flex;align-items:center;gap:8px}
.sample-btns{display:flex;gap:8px;flex-wrap:wrap}
.sample-btn{background:rgba(129,140,248,.1);border:1px solid var(--border);color:var(--muted);padding:6px 14px;border-radius:20px;font-size:.75rem;cursor:pointer;transition:all .2s;font-family:inherit}
.sample-btn:hover{border-color:var(--primary);color:var(--text);background:rgba(129,140,248,.2)}
textarea{width:100%;background:rgba(0,0,0,.3);border:1px solid var(--border);border-radius:12px;padding:16px;color:var(--text);font-size:.95rem;resize:vertical;outline:none;font-family:inherit;transition:border-color .3s;line-height:1.6}
textarea:focus{border-color:var(--primary)}
.input-footer{display:flex;justify-content:space-between;align-items:center;margin-top:12px}
.char-count{font-size:.8rem;color:var(--muted)}
.analyze-btn{background:linear-gradient(135deg,#818cf8,#6366f1);color:#fff;border:none;padding:12px 28px;border-radius:12px;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .3s;font-family:inherit;display:flex;align-items:center;gap:8px}
.analyze-btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(129,140,248,.3)}
.analyze-btn:active{transform:translateY(0)}
.analyze-btn.loading{opacity:.7;pointer-events:none}
.results-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.result-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;backdrop-filter:blur(20px);animation:fadeUp .5s ease}
.result-card h3{font-size:.9rem;font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:8px;color:var(--primary)}
.main-result{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.sentiment-gauge{margin-bottom:12px}
.gauge-label{font-size:2rem;font-weight:800;margin-top:-20px}
.sentiment-badge{padding:8px 24px;border-radius:20px;font-weight:700;font-size:1rem;margin:8px 0}
.sentiment-badge.positive{background:rgba(52,211,153,.15);color:var(--green);border:1px solid rgba(52,211,153,.3)}
.sentiment-badge.negative{background:rgba(248,113,113,.15);color:var(--red);border:1px solid rgba(248,113,113,.3)}
.sentiment-badge.neutral{background:rgba(251,191,36,.15);color:var(--orange);border:1px solid rgba(251,191,36,.3)}
.confidence{font-size:.85rem;color:var(--muted)}
.emotion-bar-item{margin-bottom:12px}
.emotion-bar-label{display:flex;justify-content:space-between;font-size:.8rem;margin-bottom:4px}
.emotion-bar-track{height:8px;background:rgba(255,255,255,.05);border-radius:4px;overflow:hidden}
.emotion-bar-fill{height:100%;border-radius:4px;transition:width 1s ease}
.keywords-cloud{display:flex;flex-wrap:wrap;gap:8px}
.keyword-tag{padding:6px 14px;border-radius:20px;font-size:.8rem;font-weight:500;background:rgba(129,140,248,.1);border:1px solid var(--border);transition:all .2s}
.keyword-tag:hover{border-color:var(--primary);transform:scale(1.05)}
.text-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.stat-item{background:rgba(0,0,0,.2);border-radius:10px;padding:14px;text-align:center}
.stat-item .stat-num{font-size:1.5rem;font-weight:700;color:var(--primary);display:block}
.stat-item .stat-lbl{font-size:.7rem;color:var(--muted);margin-top:4px}
.footer{text-align:center;padding:40px 0;color:var(--muted);font-size:.8rem;border-top:1px solid var(--border);margin-top:40px}
.footer a{color:var(--primary);text-decoration:none}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:768px){.hero h1{font-size:1.8rem}.results-grid{grid-template-columns:1fr}.input-header{flex-direction:column;align-items:flex-start}}