:root{--primary: #0088cc;--primary-dark: #006699;--bg: #f0f2f5;--bg-card: #ffffff;--text: #1a1a1a;--text-secondary: #888888;--border: #e8e8e8;--nav-height: 64px}@media (prefers-color-scheme: dark){:root{--bg: #0f0f0f;--bg-card: #1c1c1e;--text: #f0f0f0;--text-secondary: #888888;--border: #2c2c2e}}.tg-theme-dark{--bg: #0f0f0f;--bg-card: #1c1c1e;--text: #f0f0f0;--text-secondary: #888888;--border: #2c2c2e}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{width:100%;height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);overscroll-behavior:none}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:16px;color:var(--text-secondary)}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.app{display:flex;flex-direction:column;height:100vh;overflow:hidden}.header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--primary);color:#fff;flex-shrink:0}.header-left{display:flex;align-items:center;gap:10px}.avatar{width:40px;height:40px;border-radius:50%;background:#ffffff40;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;color:#fff;flex-shrink:0}.header-name{font-size:15px;font-weight:600;display:flex;align-items:center;gap:4px}.header-sub{font-size:12px;opacity:.75;margin-top:1px}.premium-badge{font-size:13px}.tickets-badge{background:#fff3;border:1px solid rgba(255,255,255,.3);border-radius:20px;padding:6px 14px;font-size:14px;font-weight:600;white-space:nowrap}.content{flex:1;overflow-y:auto;padding-bottom:var(--nav-height)}.tab-content{padding:16px 14px;display:flex;flex-direction:column;gap:12px}.section-title{font-size:13px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.6px;padding:0 2px}.giveaways-list{display:flex;flex-direction:column;gap:10px}.giveaway-card{background:var(--bg-card);border-radius:14px;overflow:hidden;display:flex;box-shadow:0 1px 4px #0000000f}.giveaway-accent{width:4px;flex-shrink:0}.giveaway-body{flex:1;padding:12px 14px;display:flex;flex-direction:column;gap:10px}.giveaway-top{display:flex;align-items:center;gap:12px}.giveaway-emoji{font-size:32px;flex-shrink:0}.giveaway-prize{font-size:15px;font-weight:600;color:var(--text);margin-bottom:4px}.giveaway-meta{display:flex;gap:12px;font-size:13px;color:var(--text-secondary)}.join-btn{width:100%;padding:10px;border:none;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;background:var(--primary);color:#fff;transition:all .2s}.join-btn.joined{background:#27ae60}.join-btn:active{transform:scale(.98);opacity:.9}.profile-hero{background:var(--bg-card);border-radius:16px;padding:24px;text-align:center;box-shadow:0 1px 4px #0000000f}.profile-avatar{width:72px;height:72px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));display:flex;align-items:center;justify-content:center;font-size:32px;font-weight:700;color:#fff;margin:0 auto 12px}.profile-name{font-size:20px;font-weight:700;color:var(--text);margin-bottom:4px}.profile-username{font-size:14px;color:var(--text-secondary)}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.stat-card{background:var(--bg-card);border-radius:14px;padding:16px 8px;text-align:center;box-shadow:0 1px 4px #0000000f}.stat-icon{font-size:24px;margin-bottom:6px}.stat-value{font-size:22px;font-weight:700;color:var(--text);margin-bottom:2px}.stat-label{font-size:11px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.tips-list{background:var(--bg-card);border-radius:14px;overflow:hidden;box-shadow:0 1px 4px #0000000f}.tip-row{display:flex;align-items:center;gap:12px;padding:13px 16px;border-bottom:1px solid var(--border);width:100%;background:none;border-left:none;border-right:none;border-top:none;cursor:pointer;text-align:left}.tip-row:last-child{border-bottom:none}.tip-row:active{background:var(--border)}.tip-arrow{font-size:20px;color:var(--text-secondary);margin-left:auto;flex-shrink:0}.tip-emoji{font-size:20px;flex-shrink:0}.tip-text{flex:1;font-size:14px;color:var(--text)}.tip-reward{font-size:13px;font-weight:600;color:var(--primary);white-space:nowrap}.error-msg{background:#fde8e8;color:#c0392b;border-radius:10px;padding:12px 16px;font-size:14px;text-align:center}.empty-state{background:var(--bg-card);border-radius:16px;padding:48px 24px;text-align:center;box-shadow:0 1px 4px #0000000f}.empty-icon{font-size:48px;margin-bottom:12px}.empty-title{font-size:18px;font-weight:700;margin-bottom:6px}.empty-sub{font-size:14px;color:var(--text-secondary)}.market-card{background:var(--bg-card);border-radius:14px;padding:16px;display:flex;align-items:center;gap:14px;box-shadow:0 1px 4px #0000000f;cursor:pointer;border:none;width:100%;text-align:left}.market-card:active{opacity:.85}.market-logo{font-size:36px}.market-info{flex:1}.market-title{font-size:16px;font-weight:700;color:var(--text);margin-bottom:2px}.market-sub{font-size:13px;color:var(--primary)}.market-arrow{font-size:22px;color:var(--text-secondary)}.market-hint{font-size:13px;color:var(--text-secondary);line-height:1.5;padding:4px 2px}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:var(--nav-height);background:var(--bg-card);border-top:1px solid var(--border);display:flex;z-index:100}.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;border:none;background:none;cursor:pointer;color:var(--text-secondary);transition:color .15s;padding:8px 4px}.nav-item.active{color:var(--primary)}.nav-icon{font-size:22px}.nav-label{font-size:10px;font-weight:500;letter-spacing:.3px}