*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#8b5cf6;--accent:#f72585;--cyan:#00f5ff;--green:#06d6a0;--red:#ef4444;--yellow:#f59e0b;--dark:#0a0a1a;--card:#16162e;--border:#2a2a50;--text:#e8e8f0;--muted:#9898b8}
body{font-family:'Inter',sans-serif;background:var(--dark);color:var(--text);line-height:1.6;min-height:100vh}
.container{max-width:900px;margin:0 auto;padding:0 20px 40px}
.header{background:rgba(10,10,26,.98);border-bottom:1px solid var(--border);padding:15px 0;position:sticky;top:0;z-index:100;backdrop-filter:blur(10px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;max-width:900px;margin:0 auto;padding:0 20px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--accent);font-weight:900;font-size:1.2rem}
.logo img{width:32px;height:32px;border-radius:50%;border:2px solid var(--accent)}
.header-right{display:flex;align-items:center;gap:12px}
.back-btn{color:var(--muted);text-decoration:none;font-size:.85rem}
.back-btn:hover{color:var(--accent)}
.live-dot{width:8px;height:8px;background:var(--green);border-radius:50%;animation:pulse 1.5s infinite}
.live-text{font-size:.7rem;font-weight:700;color:var(--green);letter-spacing:1px}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero{text-align:center;padding:40px 20px 20px}
.hero h1{font-size:1.8rem;font-weight:900;margin-bottom:8px}
.hero p{color:var(--muted);font-size:.9rem;max-width:500px;margin:0 auto}

/* Filter Bar */
.filter-bar{display:flex;gap:8px;justify-content:center;margin-bottom:25px;flex-wrap:wrap}
.filter-btn{padding:10px 20px;background:var(--card);border:1px solid var(--border);border-radius:50px;color:var(--muted);font-size:.82rem;font-weight:600;cursor:pointer;transition:all .3s}
.filter-btn:hover{border-color:var(--primary);color:var(--text)}
.filter-btn.active{background:linear-gradient(135deg,var(--accent),var(--primary));border-color:transparent;color:#fff}

/* Loading */
.loading{text-align:center;padding:60px 20px;display:none}
.loading.active{display:block}
.spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 12px}
@keyframes spin{to{transform:rotate(360deg)}}
.loading p{color:var(--muted);font-size:.85rem}

/* Error */
.error-state{display:none;text-align:center;padding:40px;color:var(--muted);font-size:.85rem}
.error-state.active{display:block}
.error-state button{background:var(--primary);color:#fff;border:none;padding:8px 16px;border-radius:8px;cursor:pointer;margin-left:8px;font-weight:600}

/* Coin List */
.coin-list{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}
.coin-card{display:flex;flex-direction:column;align-items:center;justify-content:space-between;padding:14px 10px 12px;background:var(--card);border:1px solid var(--border);border-radius:12px;transition:all .3s;text-decoration:none;cursor:pointer;text-align:center;gap:6px;position:relative;min-height:160px;min-width:0;overflow:hidden}
.coin-card:hover{border-color:var(--primary);transform:translateY(-3px);box-shadow:0 8px 20px rgba(139,92,246,.15)}
.coin-rank{font-size:.65rem;font-weight:800;color:var(--accent);position:absolute;top:6px;left:8px}
.coin-logo{width:36px;height:36px;min-height:36px;border-radius:50%;object-fit:cover;border:2px solid var(--border);background:var(--dark);flex-shrink:0}
.coin-info{min-width:0;width:100%;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden;max-width:100%}
.coin-name{font-size:.73rem;font-weight:700;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;width:100%;display:block;padding:0 2px}
.coin-ticker{font-size:.65rem;color:var(--cyan);font-weight:600}
.coin-age{font-size:.6rem;color:var(--muted);margin-top:2px}
.coin-right{text-align:center;flex-shrink:0}
.coin-price{font-size:.73rem;font-weight:700;color:var(--text)}
.coin-change{font-size:.65rem;font-weight:700;padding:2px 6px;border-radius:50px;display:inline-block;margin-top:2px}
.coin-change.up{background:rgba(6,214,160,.15);color:var(--green)}
.coin-change.down{background:rgba(239,68,68,.15);color:var(--red)}

/* Data source */
.data-source{text-align:center;color:var(--muted);font-size:.7rem;margin-top:25px;opacity:.6}

@media(max-width:768px){
.coin-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.coin-card{padding:10px 6px;min-height:140px}
.coin-logo{width:28px;height:28px;min-height:28px}
.coin-name{font-size:.65rem}
.coin-price{font-size:.65rem}
.hero h1{font-size:1.4rem}
.filter-btn{padding:8px 14px;font-size:.75rem}
}
@media(max-width:480px){
.coin-list{grid-template-columns:repeat(2,minmax(0,1fr))}
.coin-card{min-height:130px}
}