:root{--bg: #0a0a12;--bg-card: #14141f;--bg-elevated: #1c1c2a;--text: #f5f5f7;--text-muted: #9ca3af;--accent: #ffd54a;--accent-dim: #c9a227;--mint: #5eead4;--danger: #f87171;--border: #2a2a3a;--radius: 12px;--safe-bottom: env(safe-area-inset-bottom, 0px);font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--text);background:var(--bg);line-height:1.5;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100%;height:100%}body{background:radial-gradient(ellipse at top,#1a1520 0%,var(--bg) 55%);overscroll-behavior:none}button{font:inherit;cursor:pointer;border:none;background:none}a{color:inherit;text-decoration:none}.app-shell{max-width:480px;margin:0 auto;min-height:100%;display:flex;flex-direction:column}.page{flex:1;padding:16px 16px calc(80px + var(--safe-bottom))}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.page-title{font-size:1.25rem;font-weight:700}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:14px 16px;border-radius:var(--radius);font-weight:600;transition:opacity .15s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-dim));color:#1a1a1a}.btn-secondary{background:var(--bg-elevated);color:var(--text);border:1px solid var(--border)}.btn-ghost{color:var(--text-muted);padding:8px;width:auto}.stack{display:flex;flex-direction:column;gap:12px}.muted{color:var(--text-muted);font-size:.875rem}.error-text{color:var(--danger);font-size:.875rem}.input{width:100%;padding:12px 14px;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-elevated);color:var(--text);font:inherit}.tab-bar{position:fixed;left:50%;transform:translate(-50%);bottom:0;width:100%;max-width:480px;display:grid;grid-template-columns:repeat(4,1fr);background:#0a0a12f2;border-top:1px solid var(--border);padding:8px 8px calc(8px + var(--safe-bottom));-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.tab-item{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 4px;font-size:.7rem;color:var(--text-muted)}.tab-item.active{color:var(--accent)}.banner-slot{margin-top:auto;padding:12px 16px calc(12px + var(--safe-bottom));border-top:1px dashed var(--border);text-align:center;color:var(--text-muted);font-size:.75rem}