/* cosmic-exchange.css — VUV法币兑换页面 */
.exchange-hero{padding:24px 16px 8px;text-align:center}
.exchange-hero .section-label{font-size:.7rem;color:var(--neon-blue);letter-spacing:4px;text-transform:uppercase}
.exchange-hero h2{font-size:1.6rem;color:#fff;margin:4px 0;font-weight:700}

.exchange-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:0 16px 16px}
.exchange-rate-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:14px;text-align:center}
.exchange-rate-card .erc-flag{font-size:1.8rem;margin-bottom:4px}
.exchange-rate-card .erc-currency{font-size:.72rem;color:rgba(255,255,255,.4);letter-spacing:1px}
.exchange-rate-card .erc-rate{font-size:1rem;color:var(--neon-blue);font-family:'Orbitron',monospace;font-weight:700;margin-top:2px}
.exchange-rate-card .erc-label{font-size:.6rem;color:rgba(255,255,255,.25);margin-top:2px}

.exchange-main{padding:0 16px 16px}
.exchange-box{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:20px;margin-bottom:16px}
.exchange-box .eb-title{font-size:.85rem;color:rgba(255,255,255,.6);margin-bottom:14px;display:flex;align-items:center;gap:6px}

.exchange-tabs{display:flex;gap:0;margin-bottom:16px;border-radius:8px;overflow:hidden;border:1px solid rgba(255,255,255,.1)}
.exchange-tab{flex:1;padding:10px;text-align:center;font-size:.78rem;cursor:pointer;transition:all .2s;color:rgba(255,255,255,.5);background:transparent}
.exchange-tab.active-buy{background:linear-gradient(135deg,#00d4ff22,#00d4ff11);color:#00d4ff;font-weight:600}
.exchange-tab.active-sell{background:linear-gradient(135deg,#9d4edd22,#9d4edd11);color:#9d4edd;font-weight:600}

.exchange-field{margin-bottom:12px}
.exchange-field label{display:block;font-size:.7rem;color:rgba(255,255,255,.4);margin-bottom:4px}
.exchange-field select,.exchange-field input{width:100%;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:10px 12px;color:#fff;font-size:.9rem;outline:none}
.exchange-field select:focus,.exchange-field input:focus{border-color:var(--neon-blue)}
.exchange-field select option{background:#1a1a2e;color:#fff}

.exchange-result{background:rgba(255,255,255,.03);border-radius:10px;padding:14px;margin:14px 0}
.exchange-result .er-row{display:flex;justify-content:space-between;padding:4px 0;font-size:.78rem}
.exchange-result .er-row .er-label{color:rgba(255,255,255,.4)}
.exchange-result .er-row .er-value{color:#fff;font-family:'Orbitron',monospace;font-size:.8rem}
.exchange-result .er-row .er-value.fee{color:#ff2d78}
.exchange-result .er-row .er-value.receive{color:#00ff88;font-weight:700}

.exchange-submit{width:100%;padding:12px;border:none;border-radius:10px;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s}
.exchange-submit.buy-btn{background:linear-gradient(135deg,#00d4ff,#0088ff);color:#fff}
.exchange-submit.sell-btn{background:linear-gradient(135deg,#9d4edd,#7c3aed);color:#fff}
.exchange-submit:disabled{opacity:.4;cursor:not-allowed}

.exchange-history{padding:0 16px 24px}
.exchange-history .eh-title{font-size:.85rem;color:rgba(255,255,255,.6);margin-bottom:10px}
.exchange-history .eh-item{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.04)}
.exchange-history .eh-item .eh-dir{font-size:.7rem;padding:2px 8px;border-radius:4px;font-weight:600}
.exchange-history .eh-item .eh-dir.buy{background:#00d4ff22;color:#00d4ff}
.exchange-history .eh-item .eh-dir.sell{background:#9d4edd22;color:#9d4edd}
.exchange-history .eh-item .eh-amount{font-family:'Orbitron',monospace;font-size:.8rem;color:#fff}
.exchange-history .eh-item .eh-time{font-size:.65rem;color:rgba(255,255,255,.25)}

.exchange-login-prompt{text-align:center;padding:80px 20px}
.exchange-login-prompt p{color:rgba(255,255,255,.5);margin:12px 0}
.exchange-login-btn{background:linear-gradient(135deg,#00d4ff,#0088ff);color:#fff;border:none;border-radius:10px;padding:12px 32px;font-size:.9rem;cursor:pointer}