:root{--shell-sidebar-w:240px;--shell-topbar-h:64px;--shell-mobile-bar-h:64px}body.theme-dark{--shell-sidebar-bg:#08090c;--shell-sidebar-border:#ffffff0f;--shell-topbar-bg:#101116d9;--shell-topbar-border:#ffffff0f;--shell-item-text:#a1a1aa;--shell-item-text-active:#f4f4f5;--shell-item-bg-active:#171922;--shell-item-accent:#22d3ee;--shell-group-label:#6b7280;--shell-menu-bg:#101116;--shell-menu-border:#ffffff14;--shell-danger:#f87171}body.theme-light{--shell-sidebar-bg:#0a0a0a;--shell-sidebar-border:#000;--shell-topbar-bg:#fff8e1;--shell-topbar-border:#000;--shell-item-text:#d4d4d4;--shell-item-text-active:#f2c94c;--shell-item-bg-active:#1c1c1c;--shell-item-accent:#f33;--shell-group-label:#999;--shell-menu-bg:#fff;--shell-menu-border:#000;--shell-danger:#c4302b}.app-shell{min-height:100vh;position:relative}.app-sidebar{width:var(--shell-sidebar-w);background:var(--shell-sidebar-bg);border-right:1px solid var(--shell-sidebar-border);z-index:40;flex-direction:column;padding:1.25rem .75rem;display:flex;position:fixed;inset:0 auto 0 0;overflow-y:auto}body.theme-light .app-sidebar{border-right-width:3px}@media (width<=1023px){.app-sidebar{display:none}}.app-sidebar-logo{align-items:center;padding:.25rem .75rem 1.25rem;text-decoration:none;display:flex}.app-sidebar-nav{flex-direction:column;gap:1.25rem;display:flex}.app-sidebar-group ul{flex-direction:column;gap:2px;list-style:none;display:flex}.app-sidebar-group-label{text-transform:uppercase;letter-spacing:.08em;color:var(--shell-group-label);padding:0 .75rem .4rem;font-size:.7rem;font-weight:700}.app-sidebar-link{color:var(--shell-item-text);border-left:2px solid #0000;border-radius:8px;align-items:center;gap:.7rem;padding:.55rem .75rem;font-size:.92rem;font-weight:500;text-decoration:none;transition:background-color .15s,color .15s;display:flex}.app-sidebar-link:hover{background:var(--shell-item-bg-active);color:var(--shell-item-text-active)}.app-sidebar-link.is-active{background:var(--shell-item-bg-active);color:var(--shell-item-text-active);border-left-color:var(--shell-item-accent);box-shadow:inset 0 0 0 1px var(--shell-menu-border)}.app-sidebar-link.is-active svg{color:var(--shell-item-accent)}body.theme-light .app-sidebar-link.is-active{background:var(--shell-item-bg-active);color:var(--shell-item-text-active);box-shadow:3px 3px 0 var(--shell-item-accent);border-left:none;border-radius:0}.app-shell-main{flex-direction:column;min-height:100vh;display:flex}@media (width>=1024px){.app-shell-main{padding-left:var(--shell-sidebar-w)}}.app-topbar{z-index:30;height:var(--shell-topbar-h);background:var(--shell-topbar-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--shell-topbar-border);justify-content:space-between;align-items:center;gap:1rem;padding:0 1.25rem;display:flex;position:sticky;top:0}body.theme-light .app-topbar{-webkit-backdrop-filter:none;backdrop-filter:none;border-bottom-width:3px}.app-topbar-left,.app-topbar-right{align-items:center;gap:.6rem;display:flex}.app-topbar-title{font-family:var(--font-heading);letter-spacing:.04em;text-transform:uppercase;color:var(--text-primary);margin:0;font-size:1.25rem}.app-topbar-icon-btn{border:1px solid var(--shell-menu-border);width:38px;height:38px;color:var(--text-primary);cursor:pointer;background:0 0;border-radius:8px;justify-content:center;align-items:center;transition:background .15s;display:inline-flex}.app-topbar-icon-btn:hover{background:var(--shell-item-bg-active)}.app-topbar-mobile-toggle{border:1px solid var(--shell-menu-border);cursor:pointer;background:0 0;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;gap:4px;width:38px;height:38px;display:inline-flex}.app-topbar-mobile-toggle span{background:var(--text-primary);width:18px;height:2px}@media (width>=1024px){.app-topbar-mobile-toggle{display:none}}.app-user-menu{position:relative}.app-user-trigger{border:1px solid var(--shell-menu-border);height:38px;color:var(--text-primary);cursor:pointer;background:0 0;border-radius:8px;align-items:center;gap:.5rem;padding:0 .6rem;font-size:.9rem;display:inline-flex}.app-user-trigger:hover{background:var(--shell-item-bg-active)}.app-user-avatar{background:var(--shell-item-accent);color:#000;border-radius:999px;justify-content:center;align-items:center;width:26px;height:26px;font-size:.75rem;font-weight:800;display:inline-flex}.app-user-name{text-overflow:ellipsis;white-space:nowrap;max-width:140px;overflow:hidden}@media (width<=640px){.app-user-name{display:none}}.app-user-panel{background:var(--shell-menu-bg);border:1px solid var(--shell-menu-border);z-index:50;border-radius:10px;flex-direction:column;min-width:220px;padding:6px;display:flex;position:absolute;top:calc(100% + 6px);right:0;box-shadow:0 12px 32px #00000059}body.theme-light .app-user-panel{box-shadow:4px 4px #000}.app-user-item{color:var(--text-primary);cursor:pointer;text-align:left;background:0 0;border:none;border-radius:6px;align-items:center;gap:.55rem;width:100%;padding:.55rem .7rem;font-size:.88rem;text-decoration:none;display:flex}.app-user-item:hover{background:var(--shell-item-bg-active);color:var(--shell-item-text-active)}.app-user-item-danger{color:var(--shell-danger)}.app-user-divider{background:var(--shell-menu-border);height:1px;margin:4px 0}.app-shell-content{z-index:10;flex:1;width:100%;max-width:1400px;margin:0 auto;padding:1.5rem 1.25rem 120px;position:relative}@media (width>=1024px){.app-shell-content{padding:1.75rem 2rem 120px}}.app-mobile-bottom{height:calc(var(--shell-mobile-bar-h) + env(safe-area-inset-bottom,0px));padding-bottom:env(safe-area-inset-bottom,0px);z-index:35;background:var(--shell-sidebar-bg);border-top:1px solid var(--shell-sidebar-border);justify-content:space-around;align-items:stretch;display:flex;position:fixed;bottom:0;left:0;right:0}body.theme-light .app-mobile-bottom{border-top-width:3px}@media (width>=1024px){.app-mobile-bottom{display:none}}.app-mobile-bottom-item{color:var(--shell-item-text);cursor:pointer;background:0 0;border:none;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:2px;padding:4px;font-size:.68rem;font-weight:600;text-decoration:none;display:inline-flex}.app-mobile-bottom-item.is-active{color:var(--shell-item-text-active)}.app-mobile-bottom-item.is-active svg{color:var(--shell-item-accent)}@media (width<=1023px){.global-audio-player-bar{bottom:calc(var(--shell-mobile-bar-h) + env(safe-area-inset-bottom,0px))!important}}.app-mobile-drawer-overlay{z-index:60;background:#0000008c;display:flex;position:fixed;inset:0}.app-mobile-drawer{background:var(--shell-sidebar-bg);border-right:1px solid var(--shell-sidebar-border);width:280px;max-width:85vw;padding:1rem .75rem;overflow-y:auto}.app-mobile-drawer-header{justify-content:space-between;align-items:center;padding:.25rem .5rem 1rem;display:flex}.app-shell .navbar{display:none}