:root{--color-red: #ff3b3b;--color-red-dark: #cc0000;--color-red-glow: rgba(255,59,59,.6);--color-blue: #3b8bff;--color-blue-dark: #0055cc;--color-blue-glow: rgba(59,139,255,.6);--color-gold: #ffd700;--color-gold-glow: rgba(255,215,0,.6);--color-bg: #0a0a1a;--color-panel: #1a1a2e;--color-panel-light: #252540;--color-text: #ffffff;--color-text-dim: #8888aa;--color-success: #00e676;--color-danger: #ff1744;--color-draw: #aa66ff;--max-width: 480px;--btn-min-size: 44px}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;min-height:100vh;background:var(--color-bg);color:var(--color-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:14px;line-height:1.5;overflow-x:hidden}#app{width:100%;max-width:var(--max-width);margin:0 auto;min-height:100vh;position:relative;overflow:hidden}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:var(--btn-min-size);padding:8px 16px;border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:all .15s;-webkit-tap-highlight-color:transparent}.btn:active{transform:scale(.95)}.btn-gold{background:linear-gradient(135deg,gold,#ff8c00);color:#000}.btn-gold:disabled{opacity:.4;cursor:not-allowed;transform:none}.btn-outline{background:transparent;border:1px solid rgba(255,255,255,.15);color:var(--color-text-dim)}.btn-sm{padding:5px 10px;font-size:12px;border-radius:6px;min-height:auto}.btn-success{background:#00e67626;color:var(--color-success);border:1px solid rgba(0,230,118,.3)}.btn-danger{background:#ff174426;color:var(--color-danger);border:1px solid rgba(255,23,68,.3)}@keyframes slideUp{0%{transform:translateY(-20px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes slideDown{0%{transform:translateY(0);opacity:1}to{transform:translateY(-20px);opacity:0}}