:root{--page: #F5F2EB;--card: #FFFFFF;--border: #E5DFD3;--accent: #C8A97E;--ink: #2C2A26;--muted: #7A756D;--accent-hover: #B7966A;--accent-ink: #8A6A3E;--accent-soft: #F3EADC;--on-accent: #2C2A26;--section: #FAF8F3;--overlay: rgba(44, 42, 38, .38);--success: #5E7D55;--success-soft: #EAF0E4;--warning: #9A6B1F;--warning-soft: #F8EED9;--danger: #A8473A;--danger-soft: #F6E4DF;--dev-bar: #2C2A26;--dev-bar-text: #F5F2EB;--shadow: 0 1px 2px rgba(44, 42, 38, .04), 0 6px 20px rgba(44, 42, 38, .06);--shadow-sheet: 0 -10px 40px rgba(44, 42, 38, .16);--radius: 14px;color-scheme:light}*{box-sizing:border-box}html,body{margin:0}body{background:var(--page);color:var(--ink);font-family:Inter,-apple-system,Segoe UI,Roboto,Arial,sans-serif;font-size:15px;line-height:1.45;-webkit-tap-highlight-color:transparent}button,input,select,textarea{font:inherit;color:inherit}.app{min-height:100vh;padding-bottom:76px;max-width:560px;margin:0 auto}.content{padding:0 16px 16px}.header{display:flex;align-items:center;gap:12px;padding:16px}.logo{flex:none;width:40px;height:40px;display:block}.logo img,.logo svg{width:100%;height:100%;display:block}.logo .star-outer{fill:var(--accent)}.logo .star-inner{fill:none;stroke:var(--card);stroke-width:1.4}.logo .star-core{fill:var(--card)}.header__title{margin:0;font-size:17px;font-weight:600;letter-spacing:.22em}.header__user{margin:0;font-size:13px;color:var(--muted)}.hero{position:relative;overflow:hidden;margin-bottom:4px;padding:18px 18px 18px 20px;border-radius:var(--radius);background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow)}.hero:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent)}.hero__eyebrow{margin:0;font-size:11px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--accent-ink)}.hero__title{margin:4px 0 0;font-size:18px;line-height:1.3;font-weight:600}.hero__ornament{position:absolute;right:-18px;top:-18px;width:96px;height:96px;opacity:.12}.hero__ornament .star-outer{fill:var(--accent)}.hero__ornament .star-inner,.hero__ornament .star-core{display:none}.dev-bar{display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:8px 16px;background:var(--dev-bar);color:var(--dev-bar-text);font-size:12px}.dev-bar button{border:1px solid var(--muted);background:transparent;color:var(--dev-bar-text);border-radius:6px;padding:3px 8px;cursor:pointer}.dev-bar button.is-active{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}.list{display:grid;gap:12px;margin-top:12px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}.muted{color:var(--muted);font-size:13px;margin:8px 0 0}.empty{text-align:center;padding:32px 0}.error{color:var(--danger);font-size:14px;margin:8px 0}.section-title{margin:0 0 12px;font-size:16px;font-weight:600}.product{transition:box-shadow .2s,transform .2s}.product__head{display:flex;gap:12px;align-items:center}.product__icon{flex:none;width:48px;height:48px;border-radius:12px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent-ink)}.product__icon--file,.product__icon--course{background:var(--section);border:1px solid var(--border);color:var(--muted)}.product__type{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.12em;color:var(--accent-ink)}.product__name{margin:2px 0 0;font-size:17px;line-height:1.3;font-weight:600}.product__description{margin:12px 0 0;font-size:14px;color:var(--muted)}.product__facts{margin:12px 0 0;padding:0;list-style:none;display:grid;gap:4px;font-size:13px}.product__facts li{padding-left:18px;position:relative}.product__facts li:before{content:"";position:absolute;left:2px;top:5px;width:8px;height:4px;border-left:1.5px solid var(--accent-ink);border-bottom:1.5px solid var(--accent-ink);transform:rotate(-45deg)}.product__footer{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:14px;border-top:1px solid var(--border)}.product__price{font-size:18px;font-weight:700}.button{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:40px;padding:0 20px;border-radius:8px;border:1px solid transparent;font-weight:600;font-size:14px;cursor:pointer;transition:background-color .15s,border-color .15s,color .15s}.button:disabled{opacity:.55;cursor:default}.button:focus-visible,.tab:focus-visible,.tabbar__item:focus-visible{outline:2px solid var(--accent-ink);outline-offset:2px}.button--primary{background:var(--accent);color:var(--on-accent)}.button--primary:not(:disabled):hover,.button--primary:not(:disabled):active{background:var(--accent-hover)}.button--secondary{background:var(--card);border-color:var(--accent);color:var(--accent-ink)}.button--secondary:not(:disabled):hover{background:var(--accent-soft)}.button--ghost{background:transparent;color:var(--muted)}.button--ghost:not(:disabled):hover{color:var(--ink)}.button--wide{width:100%;margin-top:10px}.link-button{border:0;background:none;color:var(--accent-ink);font-weight:600;font-size:13px;padding:4px 0;cursor:pointer}.copy-button{display:inline-flex;align-items:center;gap:4px;border:1px solid var(--border);background:var(--card);color:var(--accent-ink);border-radius:8px;padding:4px 10px;font-size:13px;cursor:pointer}.copy-button:hover{border-color:var(--accent)}.copy-button.is-done{color:var(--success);border-color:var(--success)}.tabbar{position:fixed;left:0;right:0;bottom:0;display:flex;background:var(--card);border-top:1px solid var(--border);padding:6px 4px calc(6px + env(safe-area-inset-bottom))}.tabbar__item{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;border:0;background:none;color:var(--muted);font-size:11px;padding:4px 0;cursor:pointer;position:relative}.tabbar__item.is-active{color:var(--accent-ink);font-weight:600}.tabbar__item.is-active:before{content:"";position:absolute;top:-7px;left:30%;right:30%;height:2px;border-radius:2px;background:var(--accent)}.sheet-backdrop{position:fixed;inset:0;background:var(--overlay);display:flex;align-items:flex-end;justify-content:center;z-index:10}.sheet{width:100%;max-width:560px;max-height:92vh;overflow-y:auto;background:var(--card);border-radius:18px 18px 0 0;padding:20px 16px calc(16px + env(safe-area-inset-bottom));box-shadow:var(--shadow-sheet)}.sheet__title{margin:0 0 4px;font-size:18px;font-weight:600}.sheet__product{margin:0 0 16px;color:var(--muted);font-size:14px}.field{display:block;margin-bottom:12px}.field__label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}.field__hint{display:block;font-size:12px;color:var(--muted);margin-top:6px}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.input{width:100%;height:40px;padding:0 12px;border:1px solid var(--border);border-radius:8px;background:var(--card);outline:none}.input:focus{border:2px solid var(--accent);padding:0 11px}.input--area{height:auto;min-height:72px;padding:10px 12px;resize:vertical}.input--area:focus{padding:9px 11px}.check{display:flex;align-items:center;gap:8px;font-size:14px;margin:4px 0 8px}.check input,.switch input{width:18px;height:18px;accent-color:var(--accent)}.payment__done{margin:0 0 12px;padding:10px 12px;border-radius:8px;background:var(--success-soft);color:var(--success);font-weight:600}.details{margin:0;display:grid;gap:10px}.details__row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-bottom:10px;border-bottom:1px solid var(--border)}.details dt{color:var(--muted);font-size:13px}.details dd{margin:0;text-align:right}.details__row--stack{flex-direction:column;align-items:stretch;gap:6px}.details__value--copy{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:space-between;text-align:left}.details__value--copy code{font-size:17px;font-weight:600;letter-spacing:.04em}code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:14px}.order__head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.order__number{font-size:12px;color:var(--muted)}.order__product{margin:2px 0 0;font-size:16px;font-weight:600}.order__amount,.order__meta{margin:8px 0 0;font-size:14px}.order__meta.muted{margin-top:2px}.badge{flex:none;font-size:12px;font-weight:600;padding:3px 9px;border-radius:999px;white-space:nowrap}.badge--pending{background:var(--warning-soft);color:var(--warning)}.badge--paid{background:var(--success-soft);color:var(--success)}.badge--failed{background:var(--danger-soft);color:var(--danger)}.key-box{margin-top:12px;padding:12px;border-radius:10px;background:var(--section);border:1px dashed var(--accent);display:grid;gap:8px;justify-items:start}.key-box--compact{padding:8px 10px}.key-box__label{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--accent-ink)}.key-box__key{font-size:11px;word-break:break-all;max-height:4.8em;overflow:hidden;color:var(--ink);-webkit-user-select:all;user-select:all}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.stat{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:10px 12px;display:grid}.stat--wide{grid-column:1 / -1}.stat__value{font-size:20px;font-weight:700}.stat__value--accent{color:var(--accent-ink)}.stat__label{font-size:12px;color:var(--muted)}.tabs{display:flex;gap:4px;margin-top:16px;border-bottom:1px solid var(--border)}.tab{border:0;background:none;padding:8px 12px;font-size:14px;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px;cursor:pointer}.tab.is-active{color:var(--ink);font-weight:600;border-bottom-color:var(--accent)}.admin-product{display:flex;gap:12px;align-items:flex-start}.admin-product.is-off{opacity:.6}.admin-product__body{flex:1;min-width:0}.admin-product__name{margin:0;font-size:15px;font-weight:600}.admin-product__body .muted{margin-top:2px}.admin-product__actions{display:flex;justify-content:space-between;align-items:center;margin-top:8px}.switch{display:flex;align-items:center;gap:6px;font-size:13px}.notice{text-align:center;display:grid;gap:8px;justify-items:center}.loader{width:28px;height:28px;margin:48px auto;border-radius:50%;border:3px solid var(--border);border-top-color:var(--accent);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}