:root{--tg-bg: #ffffff;--tg-text: #1a1a1a;--tg-hint: #8a8f99;--tg-link: #2f7bf6;--tg-button: #2f7bf6;--tg-button-text: #ffffff;--tg-secondary-bg: #f1f3f6;--radius: 12px;--pos: #1f9d55;--neg: #d64545}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--tg-bg);color:var(--tg-text);-webkit-font-smoothing:antialiased}button{font:inherit;cursor:pointer;border:none;border-radius:var(--radius);padding:12px 16px;background:var(--tg-button);color:var(--tg-button-text);font-weight:600}button.secondary{background:var(--tg-secondary-bg);color:var(--tg-text)}button.ghost{background:transparent;color:var(--tg-link);padding:8px}button:disabled{opacity:.5;cursor:default}input,select,textarea{font:inherit;width:100%;padding:11px 12px;border-radius:var(--radius);border:1px solid var(--tg-secondary-bg);background:var(--tg-secondary-bg);color:var(--tg-text)}textarea{resize:vertical;min-height:60px}label{display:block;font-size:13px;color:var(--tg-hint);margin:12px 0 4px}.app{display:flex;flex-direction:column;min-height:100vh}.content{flex:1;padding:16px 16px 84px;max-width:640px;margin:0 auto;width:100%}.center{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;text-align:center;gap:12px}.stack{display:flex;flex-direction:column;gap:10px}.row{display:flex;gap:8px;align-items:center}.row.wrap{flex-wrap:wrap}.spacer{flex:1}.muted{color:var(--tg-hint)}.small{font-size:13px}.error{color:var(--neg)}.pos{color:var(--pos)}.neg{color:var(--neg)}h1{font-size:22px;margin:4px 0 16px}h2{font-size:18px;margin:0 0 8px}h3{font-size:15px;margin:0}.card{background:var(--tg-secondary-bg);border-radius:var(--radius);padding:14px;margin-bottom:10px}.card.tappable:active{opacity:.7}.badge{display:inline-block;font-size:11px;font-weight:700;padding:2px 8px;border-radius:99px;background:var(--tg-bg);color:var(--tg-hint);text-transform:uppercase;letter-spacing:.03em}.badge.active{color:var(--pos)}.badge.reserved,.badge.accepted{color:var(--tg-link)}.badge.completed{color:var(--tg-hint)}.badge.cancelled,.badge.rejected,.badge.expired,.badge.blocked,.badge.pending{color:var(--neg)}.pill{display:inline-block;font-size:12px;padding:4px 10px;border-radius:99px;background:var(--tg-bg);border:1px solid var(--tg-secondary-bg);color:var(--tg-text);margin:0 6px 6px 0}.pill.on{background:var(--tg-button);color:var(--tg-button-text)}.kv{display:flex;justify-content:space-between;padding:3px 0;font-size:14px}.kv .k{color:var(--tg-hint)}.tabbar{position:fixed;bottom:0;left:0;right:0;display:flex;background:var(--tg-bg);border-top:1px solid var(--tg-secondary-bg);padding:6px 4px calc(6px + env(safe-area-inset-bottom));overflow-x:auto}.tab{flex:1;background:transparent;color:var(--tg-hint);font-size:12px;font-weight:600;padding:8px 6px;white-space:nowrap}.tab.active{color:var(--tg-link)}.amount{font-size:17px;font-weight:700}.give-line{font-size:14px;padding:6px 0;border-top:1px solid var(--tg-bg)}.disclaimer{font-size:13px;line-height:1.5}.disclaimer ul{padding-left:18px}