:root{color-scheme:light dark;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--tg-theme-bg-color, #fff);color:var(--tg-theme-text-color, #000)}*{box-sizing:border-box}body{margin:0;padding:0;min-height:100vh}.app{display:flex;flex-direction:column;min-height:100vh;padding:16px;gap:24px}.header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}.header h1{font-size:24px;font-weight:700;margin:0}.header-right{display:flex;align-items:center;gap:12px}.addr{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;opacity:.7}.user{font-size:14px;opacity:.7;width:100%}.content{display:flex;flex-direction:column;gap:16px}.card{border:1px solid var(--tg-theme-section-separator-color, rgba(0, 0, 0, .1));border-radius:12px;padding:16px;background:var(--tg-theme-section-bg-color, transparent);display:flex;flex-direction:column;gap:12px}.card.warn{border-color:#d97706}.muted{opacity:.65;font-size:14px;margin:0}.error{color:#dc2626;font-size:14px;margin:0}button.primary{background:var(--tg-theme-button-color, #2481cc);color:var(--tg-theme-button-text-color, #fff);border:none;border-radius:10px;padding:14px 20px;font-size:16px;font-weight:600;cursor:pointer;transition:opacity .15s ease}button.primary:disabled{opacity:.5;cursor:not-allowed}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;background:#0000000f;padding:1px 5px;border-radius:4px}.quantity{display:flex;flex-direction:column;gap:8px}.quantity-label{font-size:14px;opacity:.75}.quantity-chips{display:flex;gap:8px}.chip{flex:1;padding:10px 0;border-radius:999px;border:1px solid var(--tg-theme-section-separator-color, rgba(0, 0, 0, .12));background:transparent;color:inherit;font-size:15px;font-weight:600;cursor:pointer;transition:background .12s ease,border-color .12s ease}.chip:hover:not(:disabled){border-color:var(--tg-theme-button-color, #2481cc)}.chip-active{background:var(--tg-theme-button-color, #2481cc);color:var(--tg-theme-button-text-color, #fff);border-color:var(--tg-theme-button-color, #2481cc)}.chip:disabled{opacity:.5;cursor:not-allowed}.quantity-stepper{display:flex;align-items:center;justify-content:center;gap:12px}.stepper-btn{width:36px;height:36px;border-radius:999px;border:1px solid var(--tg-theme-section-separator-color, rgba(0, 0, 0, .15));background:transparent;color:inherit;font-size:18px;font-weight:600;cursor:pointer}.stepper-btn:disabled{opacity:.4;cursor:not-allowed}.stepper-value{font-variant-numeric:tabular-nums;font-size:18px;font-weight:600;min-width:2ch;text-align:center}