:root{--bg: #f0f2f5;--panel: #ffffff;--border: #e0e0e0;--text: #1a1a1a;--muted: #888;--accent: #006b3f;--accent-hover: #005530;--accent-light: #e8f5ee;--warn-bg: #fff3e0;--warn-border: #ffcc80;--warn-text: #e65100;--error: #d32f2f;--error-bg: #ffebee;--error-border: #ef9a9a;--bkash: #d500a8;--nagad: #ff6b00;--rocket: #8b1fa9;font-family:Segoe UI,Arial,Helvetica,sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100%;background:var(--bg);color:var(--text)}.shell{max-width:520px;margin:0 auto;padding:0 0 40px}.header-bar{background:var(--accent);color:#fff;padding:18px 24px;display:flex;justify-content:space-between;align-items:flex-start}.header-amount{font-size:36px;font-weight:700;line-height:1}.header-amount-sub{font-size:14px;opacity:.85;margin-top:4px}.header-brand{display:flex;flex-direction:column;align-items:flex-end;gap:6px}.header-brand-badge{background:#fff;color:var(--accent);font-weight:700;font-size:14px;padding:4px 10px;border-radius:4px}.header-lang{display:flex;border-radius:4px;overflow:hidden;border:1px solid rgba(255,255,255,.4)}.header-lang button{border:none;background:transparent;color:#ffffffb3;padding:4px 10px;font-size:13px;cursor:pointer}.header-lang button.active{background:#ffffff40;color:#fff;font-weight:600}.card{background:var(--panel);border-bottom:1px solid var(--border);padding:20px 24px}.card+.card{margin-top:0}.section-label{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:12px}.channels{display:flex;gap:10px}.channel-btn{flex:1;padding:14px 8px;border-radius:10px;border:2px solid var(--border);background:#fafafa;cursor:pointer;font-weight:700;font-size:15px;transition:border-color .15s,background .15s;display:flex;flex-direction:column;align-items:center;gap:6px}.channel-btn:hover{border-color:#bbb}.channel-btn.active.bkash{border-color:var(--bkash);background:#fce4f5;color:var(--bkash)}.channel-btn.active.nagad{border-color:var(--nagad);background:#fff3e0;color:var(--nagad)}.channel-btn.active.rocket{border-color:var(--rocket);background:#f3e5f5;color:var(--rocket)}.channel-dot{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;color:#fff}.channel-dot.bkash{background:var(--bkash)}.channel-dot.nagad{background:var(--nagad)}.channel-dot.rocket{background:var(--rocket)}.amount-presets{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px}.amount-preset{min-width:72px;height:44px;border:1px solid var(--border);border-radius:8px;background:#fafafa;font-size:16px;font-weight:600;color:#444;cursor:pointer;padding:0 12px}.amount-preset:hover{border-color:#aaa}.amount-preset.active{border-color:var(--accent);background:var(--accent-light);color:var(--accent)}input[type=text],input[type=number]{width:100%;height:52px;border:1px solid var(--border);border-radius:8px;background:#f7f7f7;padding:0 16px;font-size:18px;outline:none;transition:border-color .15s}input[type=text]:focus,input[type=number]:focus{border-color:var(--accent)}.agent-box{background:#f0f0f0;border-radius:8px;height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;margin-top:4px}.agent-number{font-family:ui-monospace,Courier New,monospace;font-size:26px;font-weight:700;letter-spacing:.04em;color:#222}.copy-btn{background:none;border:none;font-size:26px;cursor:pointer;color:var(--accent);padding:4px}.warning-box{background:var(--warn-bg);border:1px solid var(--warn-border);border-radius:8px;padding:14px 16px;color:var(--warn-text);font-size:14px;font-weight:600;line-height:1.6}.info-row{display:flex;justify-content:space-between;font-size:14px;color:var(--muted);padding:3px 0}.info-row strong{color:var(--text)}.btn{width:100%;height:52px;border:none;border-radius:10px;font-size:18px;font-weight:700;cursor:pointer;transition:background .15s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:disabled{opacity:.55;cursor:not-allowed}.btn-secondary{background:#fff;color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:#f5f5f5}.error-box{background:var(--error-bg);border:1px solid var(--error-border);border-radius:8px;padding:12px 14px;color:var(--error);font-size:14px;font-weight:600}.status-card{padding:32px 24px;text-align:center;background:var(--panel)}.status-icon{font-size:48px;margin-bottom:16px}.status-title{font-size:22px;font-weight:700;margin-bottom:8px}.status-sub{font-size:15px;color:var(--muted);line-height:1.6}.dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:8px;vertical-align:middle}.dot-waiting{background:#ff9800;animation:pulse 1.4s infinite}.dot-ok{background:#4caf50}.dot-fail{background:var(--error)}.timer{font-size:12px;color:var(--muted);text-align:right;margin-top:6px}.timer.urgent{color:var(--error);font-weight:700}.foot{text-align:center;font-size:11px;color:var(--muted);padding:20px 24px 0;line-height:1.8;word-break:break-all}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}