:root{--bg:#f5f7fb;--panel:#ffffff;--text:#172033;--muted:#687282;--border:#e3e8f2;--primary:#854bff;--primary-dark:#6e35e8;--pink:#e15bf0;--green:#20a545;--red:#d93b3b}*{box-sizing:border-box}body,html{margin:0;min-height:100%}body{background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,select{font:inherit}button{cursor:pointer}.shell{min-height:100vh;padding:24px}.auth-layout{align-items:center;display:flex;flex-direction:column;margin:0 auto;max-width:760px;padding:80px 0 32px}.brand-icon,.brand-mark{align-items:center;background:linear-gradient(135deg,var(--primary-dark),var(--pink));border-radius:50%;color:white;display:inline-flex;font-weight:900;justify-content:center}.brand-mark{font-size:22px;height:72px;width:72px}.brand-icon{height:40px;width:40px}.auth-layout h1{font-size:clamp(34px,5vw,52px);letter-spacing:0;margin:56px 0 10px}.muted{color:var(--muted);font-size:20px;margin:0 0 48px;text-align:center}.panel{background:var(--panel);border:1px solid var(--border);border-radius:18px;box-shadow:0 12px 30px rgb(23 32 51/8%)}.auth-form,.payment-form{display:grid;gap:22px;padding:24px;width:100%}label{color:#282d37;display:grid;font-weight:800;gap:10px}input,select{background:#eef4ff;border:1px solid #c9d1df;border-radius:14px;color:var(--text);min-height:58px;outline:none;padding:0 16px}input:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgb(133 75 255/14%)}.primary-button{background:linear-gradient(90deg,var(--primary),var(--pink));border:0;border-radius:14px;color:white;font-size:18px;font-weight:900;min-height:58px;padding:0 20px}.primary-button:disabled{cursor:progress;opacity:.68}.auth-links{margin-top:22px;width:100%}.auth-links button{background:transparent;border:0;color:var(--primary);font-size:18px;font-weight:800;padding:0}.error{background:#fff0f0;border:1px solid #ffd0d0;border-radius:12px;color:var(--red);font-weight:700;padding:12px 14px}.dashboard{margin:0 auto;max-width:1060px}.topbar{gap:16px;justify-content:space-between;margin-bottom:18px}.topbar,.topbar-brand{align-items:center;display:flex}.topbar-brand{gap:12px}.topbar-brand span,.topbar-brand strong{display:block}.topbar-brand strong{font-size:20px;font-weight:900}.topbar-brand span{color:var(--muted);font-weight:700}.icon-button{background:white;border:1px solid var(--border);border-radius:12px;color:var(--text);font-weight:900;min-height:42px;padding:0 16px}.tabs{background:white;border:1px solid var(--border);border-radius:16px;display:grid;gap:8px;grid-template-columns:repeat(3,1fr);margin-bottom:20px;padding:8px}.tabs button{background:transparent;border:0;border-radius:12px;color:var(--muted);font-weight:900;min-height:46px}.tabs button.active{background:#ede6ff;color:var(--primary-dark)}.content-stack{display:grid;gap:18px}.section-header{align-items:center;display:flex;gap:16px;justify-content:space-between;padding:18px}.section-header h1{font-size:26px;margin:0 0 4px}.section-header p{color:var(--muted);font-weight:650;margin:0}.badge,.status-pill{background:#ecf8ef;border-radius:999px;color:var(--green);font-size:13px;font-weight:900;padding:7px 12px}.status-pill.processing{background:#eef4ff;color:#3867d6}.status-pill.pending{background:#fff4e5;color:#d26b14}.status-pill.failed{background:#fff0f0;color:var(--red)}.status-pill.completed{background:#ecf8ef;color:var(--green)}.mode-row{align-items:center;background:#f9fafc;border:1px solid var(--border);border-radius:14px;display:flex;gap:20px;justify-content:space-between;padding:16px}.mode-row span,.mode-row strong{display:block}.mode-row span{color:var(--muted);font-weight:650;margin-top:4px}.switch{align-items:center;display:flex;gap:8px}.switch input{min-height:auto;width:22px}.balance-panel{display:grid;gap:8px;padding:22px}.balance-panel span{color:var(--muted);font-weight:800}.balance-panel strong{font-size:34px;font-weight:950}.section-title{font-size:18px;margin:0}.list{display:grid;gap:10px}.list-row{align-items:center;background:white;border:1px solid var(--border);border-radius:16px;display:flex;gap:14px;justify-content:space-between;padding:16px}.list-row span,.list-row strong{display:block}.list-row span{color:var(--muted);font-size:13px;font-weight:650;margin-top:4px}.list-row b{white-space:nowrap}.list-row b,.webhook-row b{color:var(--green)}.simulation-card{overflow:hidden}.simulation-summary{align-items:center;background:white;border:0;color:var(--text);display:flex;gap:16px;justify-content:space-between;padding:16px;text-align:left;width:100%}.simulation-summary span,.simulation-summary strong,.simulation-summary-meta span{display:block}.simulation-summary strong{font-weight:950}.simulation-summary span,.simulation-summary-meta span{color:var(--muted);font-size:13px;font-weight:700;margin-top:4px}.simulation-summary-meta{align-items:flex-end;display:flex;flex-direction:column;gap:6px}.simulation-details{border-top:1px solid var(--border);display:grid;gap:14px;padding:16px}.simulation-actions{display:flex;flex-wrap:wrap;gap:10px}.link-button{align-items:center;display:inline-flex;text-decoration:none}.simulation-details h3{font-size:15px;margin:0}pre{background:#f6f8fb;border:1px solid #dfe5ee;border-radius:12px;color:#111827;font-family:SFMono-Regular,Consolas,monospace;font-size:12px;line-height:1.45;margin:0;overflow-x:auto;padding:12px;white-space:pre-wrap}.timeline{display:grid;gap:12px}.timeline-row{display:grid;gap:10px;grid-template-columns:14px 1fr}.timeline-dot{background:var(--primary);border-radius:50%;height:10px;margin-top:5px;width:10px}.timeline-row span,.timeline-row strong{display:block}.timeline-row span{color:var(--muted);font-size:13px;font-weight:700;margin:3px 0 8px}.empty-state{color:var(--muted);font-weight:800;padding:22px;text-align:center}.toast{background:var(--red);border:0;border-radius:12px;bottom:22px;color:white;font-weight:800;left:50%;max-width:min(680px,calc(100vw - 32px));padding:14px 18px;position:fixed;transform:translateX(-50%);z-index:20}.checkout-backdrop{background:rgb(9 12 20/70%);inset:0;padding:22px;position:fixed;z-index:30}.checkout-modal{background:white;border-radius:18px;display:grid;grid-template-rows:auto 1fr;height:calc(100vh - 44px);margin:0 auto;max-width:1120px;overflow:hidden}.checkout-modal header{align-items:center;border-bottom:1px solid var(--border);display:flex;gap:14px;justify-content:space-between;padding:14px 16px}.checkout-modal header span,.checkout-modal header strong{display:block}.checkout-modal header span{color:var(--muted);font-size:13px;margin-top:3px}.checkout-modal header button{background:#ede6ff;border:0;border-radius:12px;color:var(--primary-dark);font-weight:900;min-height:40px;padding:0 16px}.checkout-modal iframe{border:0;height:100%;width:100%}.simulation-page{max-width:1440px;margin:0 auto}.live-grid{align-items:start;display:grid;gap:18px;grid-template-columns:minmax(360px,.9fr) minmax(520px,1.1fr)}.live-grid-single{grid-template-columns:1fr}.live-panel{display:grid;gap:12px;min-width:0}.live-section-title{background:white;border:1px solid var(--border);border-radius:16px;padding:16px}.live-section-title h1{font-size:24px;margin:0 0 4px}.live-section-title p{color:var(--muted);font-weight:700;margin:0}.live-checkout-frame{background:white;border:1px solid var(--border);border-radius:18px;box-shadow:0 12px 30px rgb(23 32 51/8%);height:calc(100vh - 160px);min-height:680px;width:100%}.success-state{align-items:center;display:flex;flex-direction:column;gap:10px;min-height:360px;justify-content:center;padding:24px;text-align:center}.success-state strong{font-size:22px;font-weight:950}.success-state span{color:var(--muted);font-weight:700}.return-page{align-items:center;display:flex;min-height:100vh;justify-content:center;padding:24px}.return-card{max-width:460px;padding:28px;text-align:center;width:100%}.return-icon{align-items:center;border-radius:50%;color:white;display:inline-flex;font-size:26px;font-weight:950;height:58px;justify-content:center;margin-bottom:16px;width:58px}.return-icon.success{background:var(--green)}.return-icon.pending{background:#d26b14}.return-icon.failure{background:var(--red)}.return-card h1{margin:0 0 8px}.return-card p{color:var(--muted);font-weight:700;margin:0 0 18px}.return-card a{color:var(--primary-dark);font-weight:900}@media (max-width:720px){.shell{padding:16px}.auth-layout{padding-top:40px}.list-row,.mode-row,.section-header,.simulation-summary{align-items:stretch;flex-direction:column}.simulation-summary-meta{align-items:flex-start}.tabs{grid-template-columns:1fr}.checkout-backdrop{padding:0}.checkout-modal{border-radius:0;height:100vh}.live-grid{grid-template-columns:1fr}.live-checkout-frame{height:78vh;min-height:560px}}