:root{--bg: #f6f8fa;--accent: #0366d6;--muted: #6a737d;--sidebar-bg: #0f1724;--sidebar-text: #f4f6f8;--content-bg: #ffffff}body{font-family:Inter,Arial,Helvetica,sans-serif;margin:0;background:var(--bg);color:#111}.app{display:flex;min-height:100vh}.sidebar{width:320px;background:var(--sidebar-bg);color:var(--sidebar-text);padding:20px 16px;box-sizing:border-box;display:flex;flex-direction:column}.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:100;color:var(--sidebar-text);margin-bottom:20px}.logo svg{flex:0 0 auto}.logo-text{font-size:16px;color:var(--sidebar-text);font-weight:100}.sidebar-nav{display:flex;flex-direction:column;gap:6px;flex:1}.sidebar-nav a{color:var(--sidebar-text);text-decoration:none;padding:10px 6px;border-radius:6px;transition:background .12s ease,color .12s ease}.sidebar-nav a:hover{background:#ffffff08;color:var(--accent)}.sidebar-nav a.active{background:#ffffff0f;color:var(--accent);font-weight:100}.auth-btn{margin-top:18px;background:transparent;border:1px solid rgba(255,255,255,.08);color:var(--sidebar-text);padding:8px 10px;border-radius:6px;cursor:pointer}.auth-btn:hover{background:#ffffff08}.nav-auth{display:none;background:transparent;border:none;color:var(--sidebar-text);padding:8px 6px;text-align:left;width:100%;border-radius:6px;cursor:pointer}.nav-auth:hover{background:#ffffff08;color:var(--accent)}.nav-auth:focus-visible{outline:2px solid rgba(3,102,214,.35);outline-offset:2px}.hamburger{display:none;background:transparent;border:none;color:var(--sidebar-text);cursor:pointer;padding:6px;margin-bottom:8px}.hamburger-box{display:inline-block;width:28px;height:20px;position:relative}.hamburger-inner{position:absolute;left:0;top:50%;width:22px;height:2px;background:var(--sidebar-text);border-radius:2px;transform:translateY(-50%);transition:transform .25s ease,background .25s ease}.hamburger-inner:before,.hamburger-inner:after{content:"";position:absolute;left:0;width:22px;height:2px;background:var(--sidebar-text);border-radius:2px;transition:transform .25s ease,top .25s ease,opacity .25s ease}.hamburger-inner:before{top:-8px}.hamburger-inner:after{top:8px}.hamburger.is-active .hamburger-inner{transform:translateY(-50%) rotate(45deg)}.hamburger.is-active .hamburger-inner:before{top:0;transform:rotate(90deg);opacity:0}.hamburger.is-active .hamburger-inner:after{top:0;transform:rotate(90deg);opacity:0}.sidebar-nav a:focus-visible,.auth-btn:focus-visible,.hamburger:focus-visible{outline:2px solid rgba(3,102,214,.35);outline-offset:2px;border-radius:4px}.sidebar-nav a:focus-visible{box-shadow:0 0 0 3px #0366d61f}.auth-error{color:#dc143c;margin-top:12px;font-size:13px}.main{flex:1;background:var(--content-bg);padding:0;border-radius:8px;box-shadow:0 1px 6px #0000000f;margin:0}.header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.header nav a{margin-left:12px;color:var(--accent);text-decoration:none}button{background:var(--accent);color:#fff;border:none;padding:8px 12px;border-radius:4px;cursor:pointer}button:disabled{opacity:.6}.sidebar-footer{margin-top:16px}.footer-auth{width:100%;display:block}@media (max-width: 720px){.app{flex-direction:column}.sidebar{width:100%;padding:12px 16px;flex-direction:row;align-items:center;justify-content:space-between;position:relative}.logo{margin-left:0;margin-bottom:0;display:flex;align-items:center;gap:8px;order:1;flex:0 0 auto}.sidebar-nav{display:none;position:absolute;left:0;top:56px;width:100%;background:var(--sidebar-bg);padding:12px;box-sizing:border-box;flex-direction:row;gap:12px;justify-content:flex-start}.sidebar-nav.open{display:flex}.hamburger{display:block;margin-left:auto;margin-right:0;z-index:60;order:2}.sidebar-footer{display:none}.nav-auth{display:block}.main{margin-bottom:72px}}