:root{--bg: var(--tg-theme-bg-color, #ffffff);--text: var(--tg-theme-text-color, #000000);--hint: var(--tg-theme-hint-color, #999999);--link: var(--tg-theme-link-color, #2481cc);--button: var(--tg-theme-button-color, #2481cc);--button-text: var(--tg-theme-button-text-color, #ffffff);--secondary-bg: var(--tg-theme-secondary-bg-color, #f1f1f1);--radius: 12px;--gap: 12px}*,*:before,*:after{box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;margin:0}.top-bar{position:sticky;top:0;background:var(--bg);z-index:5;border-bottom:1px solid var(--secondary-bg);display:flex;flex-direction:column;gap:0}.lang-switcher{display:flex;justify-content:center;gap:4px;padding:6px 16px 8px}.lang-btn{background:transparent;border:1.5px solid var(--secondary-bg);border-radius:6px;color:var(--hint);font-size:12px;font-weight:600;padding:3px 10px;cursor:pointer;transition:all .15s}.lang-btn.active{background:var(--button);border-color:var(--button);color:var(--button-text)}.progress-steps{display:flex;align-items:center;justify-content:center;padding:10px 16px 8px;gap:0}.progress-step{display:flex;align-items:center;gap:4px}.step-dot{width:24px;height:24px;border-radius:50%;border:2px solid var(--secondary-bg);background:var(--secondary-bg);color:var(--hint);font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .25s ease}.step-dot.active{background:var(--button);border-color:var(--button);color:var(--button-text)}.step-dot.done{background:var(--button);border-color:var(--button);color:var(--button-text);opacity:.6}.step-label{font-size:10px;color:var(--hint);font-weight:500;white-space:nowrap;transition:color .2s}.step-label.active{color:var(--button);font-weight:700}.step-line{width:20px;height:2px;background:var(--secondary-bg);margin:0 2px;border-radius:1px;transition:background .25s ease}.step-line.done{background:var(--button);opacity:.6}.page{padding:16px;max-width:480px;margin:0 auto;display:flex;flex-direction:column;gap:var(--gap);min-height:calc(100vh - 90px)}h1{font-size:20px;font-weight:700;margin:0}h2{font-size:16px;font-weight:600;color:var(--hint);text-transform:uppercase;letter-spacing:.05em;margin:0}.card{background:var(--secondary-bg);border-radius:var(--radius);padding:14px;display:flex;flex-direction:column;gap:8px}.btn{display:block;width:100%;padding:14px;border:none;border-radius:var(--radius);background:var(--button);color:var(--button-text);font-size:16px;font-weight:600;cursor:pointer;text-align:center;transition:opacity .15s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:active:not(:disabled){opacity:.85}.btn-ghost{background:transparent;color:var(--link);border:1.5px solid var(--link)}input[type=text],input[type=number]{width:100%;padding:10px 12px;border:1.5px solid var(--secondary-bg);border-radius:8px;background:var(--bg);color:var(--text);font-size:15px;outline:none;transition:border-color .15s}input:focus{border-color:var(--button)}.row{display:flex;align-items:center;gap:8px}.label{font-size:13px;color:var(--hint);margin-bottom:2px}.error{color:#e53935;font-size:14px;margin:0}.spinner{text-align:center;padding:40px;color:var(--hint);font-size:15px}@keyframes shimmer{0%{background-position:-400px 0}to{background-position:400px 0}}.skeleton{background:linear-gradient(90deg,var(--secondary-bg) 25%,color-mix(in srgb,var(--secondary-bg) 60%,var(--bg)) 50%,var(--secondary-bg) 75%);background-size:800px 100%;animation:shimmer 1.4s infinite linear}.badge{background:var(--button);color:var(--button-text);border-radius:99px;padding:2px 10px;font-size:12px;font-weight:600;white-space:nowrap;flex-shrink:0}.badge-warn{background:#ff9800}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;z-index:10}.sheet{position:fixed;bottom:0;left:0;right:0;background:var(--bg);border-radius:var(--radius) var(--radius) 0 0;padding:12px 16px 40px;z-index:11;max-height:75vh;overflow-y:auto;display:flex;flex-direction:column;gap:12px}.sheet-handle{width:36px;height:4px;background:var(--secondary-bg);border-radius:2px;margin:0 auto 4px;flex-shrink:0}.sheet h3{font-size:17px;font-weight:700;margin:0}.check-row{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--secondary-bg);cursor:pointer;-webkit-user-select:none;user-select:none}.check-row:last-of-type{border-bottom:none}.checkmark{width:24px;height:24px;border-radius:50%;border:2px solid var(--hint);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:13px;font-weight:700;transition:all .15s}.checkmark.checked{background:var(--button);border-color:var(--button);color:var(--button-text)}.summary-card{background:var(--secondary-bg);border-radius:16px;overflow:hidden}.summary-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 12px;gap:12px}.summary-name{font-size:15px;font-weight:600}.summary-total-block{display:flex;align-items:baseline;gap:4px;flex-shrink:0}.summary-total{font-size:24px;font-weight:800;color:var(--button);letter-spacing:-.5px;font-variant-numeric:tabular-nums}.summary-cur{font-size:13px;font-weight:600;color:var(--button);opacity:.85}.summary-rows{border-top:1px solid color-mix(in srgb,var(--text) 8%,transparent);padding:4px 0 8px}.summary-row{display:flex;justify-content:space-between;align-items:center;padding:7px 16px;gap:12px;font-size:14px}.summary-row-name{flex:1;color:var(--text)}.summary-row-amt{font-weight:500;font-variant-numeric:tabular-nums;white-space:nowrap;color:var(--text)}.summary-row-extra{color:var(--hint);font-size:13px;border-top:1px dashed color-mix(in srgb,var(--text) 10%,transparent);margin-top:2px}.grand-total{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;background:var(--secondary-bg);border-radius:16px;font-size:16px;font-weight:700;font-variant-numeric:tabular-nums}.toast{position:fixed;bottom:32px;left:50%;transform:translate(-50%);background:#1c1c1e;color:#fff;padding:10px 20px;border-radius:99px;font-size:14px;font-weight:600;white-space:nowrap;z-index:20;pointer-events:none}.card-selected{outline:2px solid var(--button);outline-offset:-2px}.qty-stepper{display:flex;align-items:center;gap:10px;flex-shrink:0}.qty-stepper button{width:32px;height:32px;border-radius:8px;border:none;background:var(--button);color:var(--button-text);font-size:20px;font-weight:700;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center}.qty-stepper span{min-width:20px;text-align:center;font-weight:700;font-size:16px}.app-version{position:absolute;top:5px;right:10px;font-size:11px;font-weight:600;color:var(--hint);opacity:.7;z-index:6;pointer-events:none}.auth-spinner{width:36px;height:36px;border:3px solid var(--secondary-bg);border-top-color:var(--button);border-radius:50%;animation:auth-spin .8s linear infinite}@keyframes auth-spin{to{transform:rotate(360deg)}}.landing{max-width:520px;margin:0 auto;min-height:100vh;padding:16px 20px 40px;display:flex;flex-direction:column;align-items:center}.landing-top{width:100%;display:flex;justify-content:flex-end}.landing-hero{text-align:center;margin-top:8vh}.landing-logo{font-size:72px;line-height:1}.landing-title{font-size:32px;font-weight:800;margin:16px 0 8px}.landing-tagline{color:var(--hint);font-size:16px;line-height:1.5;margin:0 auto;max-width:380px}.landing-features{width:100%;margin:36px 0 28px;display:flex;flex-direction:column;gap:14px}.landing-feature{display:flex;align-items:center;gap:14px;background:var(--secondary-bg);border-radius:14px;padding:16px 18px;font-size:15px;line-height:1.4}.landing-feature-icon{font-size:26px;flex-shrink:0}.landing-cta{width:100%;max-width:360px;background:#2aabee;color:#fff;border:none;border-radius:14px;padding:16px;font-size:17px;font-weight:700;text-align:center;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;box-shadow:0 6px 18px #2aabee59}.landing-cta:active{transform:scale(.98)}.landing-note{color:var(--hint);font-size:13px;text-align:center;margin-top:16px;max-width:360px}.loading-logo{width:92px;height:92px;border-radius:22px;box-shadow:0 10px 28px #00000029;animation:loading-pulse 1.4s ease-in-out infinite}@keyframes loading-pulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(.92);opacity:.7}}.seg{display:inline-flex;background:var(--secondary-bg);border-radius:9px;padding:3px;gap:3px}.seg-btn{border:none;background:transparent;color:var(--hint);font-size:13px;font-weight:700;padding:5px 14px;border-radius:6px;cursor:pointer}.seg-btn.active{background:var(--button);color:var(--button-text)}.qty-stepper button:disabled{opacity:.4;cursor:default}