:root{--bg-primary: #0f0f0f;--bg-secondary: #1a1a2e;--bg-card: #16213e;--text-primary: #e0e0e0;--text-secondary: #a0a0a0;--accent: #e94560;--accent-hover: #ff6b81;--gold: #ffd700;--common: #b0b0b0;--rare: #4169e1;--epic: #9b59b6;--legendary: #ff8c00;--success: #2ecc71;--danger: #e74c3c}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh}a{color:var(--accent);text-decoration:none}button{cursor:pointer;border:none;padding:.5rem 1rem;border-radius:4px;font-size:.9rem;font-weight:600;transition:all .2s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:1px solid #333}.btn-secondary:hover{border-color:var(--accent)}.btn-danger{background:var(--danger);color:#fff}.btn-success{background:var(--success);color:#fff}.container{max-width:1200px;margin:0 auto;padding:1rem}.card{background:var(--bg-card);border-radius:8px;padding:1rem;border:1px solid #2a2a4a}.rarity-common{color:var(--common);border-color:var(--common)}.rarity-rare{color:var(--rare);border-color:var(--rare)}.rarity-epic{color:var(--epic);border-color:var(--epic)}.rarity-legendary{color:var(--legendary);border-color:var(--legendary)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem}.toast{position:fixed;bottom:1rem;right:1rem;padding:.75rem 1.5rem;border-radius:6px;color:#fff;font-weight:500;z-index:1000;animation:slideIn .3s ease}.toast-success{background:var(--success)}.toast-error{background:var(--danger)}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}header{background:var(--bg-secondary);border-bottom:1px solid #2a2a4a;padding:.75rem 1rem;display:flex;justify-content:space-between;align-items:center}header nav{display:flex;gap:1.5rem;align-items:center}header nav a{color:var(--text-secondary);font-weight:500}header nav a:hover{color:var(--text-primary)}.coins-display{color:var(--gold);font-weight:700}.login-page{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:80vh;gap:2rem}.login-page h1{font-size:3rem;color:var(--accent)}.steam-login-btn{background:#171a21;color:#fff;padding:.75rem 2rem;font-size:1.1rem;border-radius:6px;display:flex;align-items:center;gap:.5rem}.steam-login-btn:hover{background:#2a475e}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--bg-card);border-radius:12px;padding:2rem;min-width:300px;border:1px solid #2a2a4a}.modal h3{margin-bottom:1rem}.modal-actions{display:flex;gap:.5rem;margin-top:1.5rem;justify-content:flex-end}.skin-card{display:flex;flex-direction:column;gap:.5rem}.skin-card .skin-name{font-weight:600;font-size:.95rem}.skin-card .skin-weapon{color:var(--text-secondary);font-size:.8rem;text-transform:uppercase}.skin-card .skin-price{color:var(--gold);font-weight:700}.equipped-badge{background:var(--success);color:#fff;padding:.15rem .5rem;border-radius:4px;font-size:.75rem;font-weight:600;display:inline-block}.filter-bar{display:flex;gap:.75rem;margin-bottom:1rem;flex-wrap:wrap}.filter-bar select{background:var(--bg-secondary);color:var(--text-primary);border:1px solid #333;padding:.4rem .75rem;border-radius:4px}.empty-state{text-align:center;padding:3rem;color:var(--text-secondary)}.profile-section{display:flex;gap:2rem;align-items:flex-start}.profile-avatar{width:80px;height:80px;border-radius:50%;border:2px solid var(--accent)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:1rem;margin-top:1rem}.stat-card{text-align:center;padding:1rem}.stat-card .stat-value{font-size:1.5rem;font-weight:700}.stat-card .stat-label{color:var(--text-secondary);font-size:.8rem;margin-top:.25rem}