:root{--bg: #ffffff;--menu-bg: #ffffff;--card-bg: #f8f8f8;--accent: #000000;--text: #111111;--text-muted: #aaaaaa;--border: #e8e8e8;--border-light: #f4f4f4;--radius: 0px;--menu-height: 60px;--shadow: none}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;width:100%}body{background:var(--bg);color:var(--text);font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:13px;font-weight:300;line-height:1.6;letter-spacing:.01em;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}.page-layout{display:flex;flex-direction:column;height:100%;width:100%}.page-content{flex:1;overflow-y:auto;overflow-x:hidden;padding:16px;min-height:0}@media (min-width: 768px){.page-content{padding:24px}}.top-menu{display:flex;align-items:center;justify-content:space-between;background:var(--menu-bg);height:var(--menu-height);padding:0 16px 0 6px;border-bottom:1px solid var(--border);flex-shrink:0;gap:12px}@media (min-width: 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