:root{--bg: #fbfbfc;--bg-soft: #f4f4f6;--panel: #ffffff;--panel-2: #f7f7f8;--border: #ebebef;--border-strong: #e0e0e6;--text: #18181b;--muted: #71717a;--muted-2: #a1a1aa;--accent: #2563eb;--accent-soft: #eff4ff;--ok: #16a34a;--ok-soft: #effaf2;--danger: #dc2626;--radius: 10px;--radius-sm: 8px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}.app{max-width:980px;margin:0 auto;padding:40px 24px 64px}.app-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:36px}.brand{display:flex;align-items:center;gap:14px}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:9px;background:var(--text);color:#fff;font-weight:700;letter-spacing:.3px;font-size:13px}.brand h1{margin:0;font-size:18px;font-weight:650;letter-spacing:-.01em}.brand p{margin:1px 0 0;color:var(--muted);font-size:13px}.header-right{display:flex;align-items:center;gap:10px}.docs-link{color:var(--muted);text-decoration:none;font-size:13px;padding:7px 13px;border:1px solid var(--border-strong);border-radius:8px;transition:.15s}.docs-link:hover{color:var(--text);border-color:var(--muted-2)}.user-badge{font-size:13px;color:var(--muted);padding:7px 12px;background:var(--bg-soft);border-radius:8px}.logout-btn{font-size:13px;color:var(--text);background:var(--panel);border:1px solid var(--border-strong);padding:7px 13px;border-radius:8px;cursor:pointer;transition:.15s}.logout-btn:hover{background:var(--bg-soft);border-color:var(--muted-2)}.login-screen{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:100%;max-width:360px;background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:28px;box-shadow:0 12px 40px 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var(--border)}.tab{background:none;border:none;border-bottom:2px solid transparent;padding:10px 14px 12px;margin-bottom:-1px;color:var(--muted);cursor:pointer;transition:.15s;text-align:left}.tab:hover{color:var(--text)}.tab.active{color:var(--text);border-bottom-color:var(--text)}.tab-label{display:block;font-weight:550;font-size:14px}.tab-hint{display:none}.content{min-height:380px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}.section-head h2{margin:0;font-size:17px;font-weight:650;letter-spacing:-.01em}.section-head .muted{margin:4px 0 0;font-size:13px}.muted{color:var(--muted)}.muted code{color:var(--text);background:var(--bg-soft);padding:1px 5px;border-radius:5px;font-size:12px}.small{font-size:12px}.search,.search-form input{background:var(--panel);border:1px solid var(--border-strong);color:var(--text);padding:8px 12px;border-radius:var(--radius-sm);font-size:13px;min-width:240px;outline:none;transition:.15s}.search::placeholder{color:var(--muted-2)}.search:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.search-form{display:flex;gap:8px}button{font-family:inherit}.search-form button,.pager button{background:var(--text);border:1px solid var(--text);color:#fff;font-weight:550;font-size:13px;padding:8px 15px;border-radius:var(--radius-sm);cursor:pointer;transition:.15s}.search-form button:hover,.pager button:hover:not(:disabled){background:#000}.pager button{background:var(--panel);border-color:var(--border-strong);color:var(--text)}.pager button:hover:not(:disabled){background:var(--bg-soft);border-color:var(--muted-2)}.pager button:disabled{color:var(--muted-2);cursor:not-allowed;opacity:.6}.state{display:flex;align-items:center;gap:10px;justify-content:center;padding:64px 0;color:var(--muted);font-size:13px}.spinner{width:18px;height:18px;border:2px solid var(--border-strong);border-top-color:var(--text);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-box{display:flex;flex-direction:column;gap:3px;background:var(--panel);border:1px solid var(--border-strong);border-left:3px solid var(--danger);color:var(--text);padding:14px 16px;border-radius:var(--radius-sm)}.error-box span{color:var(--muted);font-size:13px}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:10px}.currency-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:14px;transition:.15s}.currency-card:hover{border-color:var(--border-strong);background:var(--panel-2)}.currency-code{font-size:16px;font-weight:650;letter-spacing:.2px}.currency-name{color:var(--muted);font-size:12px;margin:3px 0 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var(--border-strong);color:var(--muted);width:30px;height:30px;border-radius:8px;cursor:pointer;flex-shrink:0;transition:.15s}.icon-btn:hover{color:var(--text);border-color:var(--muted-2)}.article-body p{line-height:1.65;color:#3f3f46;font-size:14px}.article-table{margin:14px 0}.article-table table{font-size:13px}.article-list{margin:8px 0 14px;padding-left:20px;color:#3f3f46;font-size:14px}.article-list li{margin:4px 0;line-height:1.5}.spark{background:var(--panel-2);border:1px solid var(--border);border-radius:var(--radius);padding:14px;margin-bottom:16px;color:var(--accent)}.spark-svg{width:100%;height:72px;display:block}.spark-range{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);margin-top:8px}.app-footer{text-align:center;color:var(--muted-2);font-size:12px;margin-top:40px;padding-top:20px;border-top:1px solid var(--border)}