/* BOHUN Atmosphere 2.2 — shell layout (EXP-018 DESIGN v1 §3.1) */
.app{display:grid;grid-template-columns:var(--sidebar-w) minmax(0,1fr);min-height:100vh}

/* Sidebar */
.sidebar{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;background:var(--bg-sidebar);border-right:1px solid var(--line);z-index:30}
.sb-brand{display:flex;align-items:center;gap:8px;padding:14px 14px 12px 14px;color:var(--ink);text-decoration:none!important}
.sb-brand img{width:30px;height:30px;flex:none}
.sb-brand span{min-width:0}
.sb-brand strong{display:block;font:600 15px/1.05 var(--font-display);letter-spacing:-.005em;white-space:nowrap}
.sb-brand small{display:block;margin-top:2px;font:500 10px/1.2 var(--font-ui);color:var(--accent);white-space:nowrap}
.sb-close{display:none}
.sb-scroll{flex:1;overflow:auto;padding:4px 8px 8px;scrollbar-width:thin}
.sb-group{margin:0 0 14px}
.sb-group h2{margin:10px 8px 6px;font:600 var(--fs-nav)/1.3 var(--font-ui);color:var(--ink)}
.sb-main{margin-top:6px}
.sb-item{display:flex;align-items:center;gap:9px;min-height:28px;padding:4px 8px;border-radius:7px;color:#2b3445;font:500 calc(var(--fs-nav) - .5px)/1.25 var(--font-ui);text-decoration:none!important}
.sb-main .sb-item{min-height:31px}
.sb-item .ico{color:#5c6a80}
.sb-item span{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sb-item b{font:500 11px/1 var(--font-ui);color:var(--ink-3)}
.sb-item small{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
a.sb-item:hover{background:rgba(230,236,243,.7)}
.sb-item.is-active{background:var(--nav-active);color:var(--ink)}
.sb-item.is-active .ico{color:#2f5f9e}
.sb-item.is-soon{color:var(--ink-4);cursor:default}
.sb-item.is-soon .ico{color:var(--ink-4)}
[data-sb=cats] .ico{color:var(--accent)}
.sb-toggle{cursor:pointer}
.sb-toggle input{position:absolute;opacity:0;width:1px;height:1px}
.sb-toggle i{width:26px;height:15px;border-radius:8px;background:#dfe4ea;position:relative;flex:none;transition:background .15s}
.sb-toggle i::after{content:"";position:absolute;top:2px;left:2px;width:11px;height:11px;border-radius:50%;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.15);transition:transform .15s}
.sb-toggle input:checked+i{background:#3b82d6}
.sb-toggle input:checked+i::after{transform:translateX(11px)}
.sb-toggle input:focus-visible+i{outline:2px solid var(--focus);outline-offset:2px}
.sb-foot{padding:8px 8px 14px;border-top:1px solid var(--line-soft)}
.sb-foot .sb-item{color:var(--ink-2);font-weight:400}

/* Header */
.main{min-width:0;position:relative}
.shell-top{position:relative;z-index:20;display:flex;align-items:center;gap:24px;height:52px;padding:0 18px 0 12px}
.hd-menu{display:none;border:0;background:none;padding:6px;border-radius:8px}
.hd-search{position:relative;flex:0 1 380px;display:flex;align-items:center;gap:8px;height:34px;padding:0 14px;border:1px solid var(--line);border-radius:17px;background:rgba(255,255,255,.88);box-shadow:0 1px 2px rgba(16,24,40,.03)}
.hd-search .ico{color:var(--ink-3)}
.hd-search input{flex:1;min-width:0;border:0;background:none;outline:none;font:400 12.5px/1 var(--font-ui);color:var(--ink)}
.hd-search input::placeholder{color:#8f97a5}
.hd-search:focus-within{border-color:#b9cbe3;box-shadow:0 0 0 3px rgba(62,111,184,.12)}
.hd-results{position:absolute;left:0;right:0;top:40px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 8px 24px rgba(16,24,40,.08);padding:4px;max-height:340px;overflow:auto}
.hd-results a{display:flex;justify-content:space-between;gap:12px;padding:8px 10px;border-radius:7px;color:var(--ink);text-decoration:none}
.hd-results a:hover,.hd-results a:focus{background:var(--nav-active);outline:none}
.hd-results small{color:var(--ink-3)}
.hd-results p{margin:8px 10px;color:var(--ink-3)}
.hd-nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.hd-nav a,.hd-nav span{padding:6px 11px;border-radius:7px;font:500 calc(var(--fs-nav) - .5px)/1 var(--font-ui);color:#273041;text-decoration:none}
.hd-nav a:hover{background:var(--nav-top-active)}
.hd-nav a.is-active{background:#f3ebe1;color:var(--ink)}
.hd-nav [aria-disabled]{color:#7f8796;cursor:default}
.hd-more{display:inline-flex;align-items:center;gap:3px}
.hd-more .ico{width:13px;height:13px}

/* Demo banner */
.demo-banner{position:fixed;left:50%;bottom:12px;transform:translateX(-50%);z-index:50;max-width:min(720px,calc(100vw - 24px));display:flex;align-items:center;gap:8px;padding:7px 12px;box-shadow:0 6px 20px rgba(16,24,40,.12);border-radius:8px;background:var(--demo-tint);border:1px solid #f0dc96;color:#6b5200;font:500 12px/1.35 var(--font-ui)}
.demo-banner b{font-weight:700;letter-spacing:.04em}

/* Responsive shell */
@media (max-width:1023px){
  .app{grid-template-columns:minmax(0,1fr)}
  .sidebar{position:fixed;left:0;top:0;width:280px;transform:translateX(-100%);transition:transform .2s}
  .sb-open .sidebar{transform:none;box-shadow:0 0 40px rgba(16,24,40,.12)}
  .sb-open::after{content:"";position:fixed;inset:0;background:rgba(16,24,40,.18);z-index:25}
  .sb-close{display:grid;place-items:center;position:absolute;right:4px;top:4px;width:44px;height:44px;border:0;background:none;padding:0;border-radius:8px}
  .hd-menu{display:grid;place-items:center;width:44px;height:44px;padding:0}
  .sb-item,.sb-main .sb-item{min-height:44px}
  .hd-nav{display:none}
  .shell-top{gap:8px;padding:0 12px 0 8px}
  .hd-search{flex:1}
}

/* Buttons that behave like sidebar / header links (Atlas view switches, region fly-to) */
button.sb-item{width:100%;border:0;background:none;text-align:left;cursor:pointer;font:500 calc(var(--fs-nav) - .5px)/1.25 var(--font-ui);letter-spacing:normal;min-height:28px}
.sb-main button.sb-item{min-height:31px}
button.sb-item:hover{background:rgba(230,236,243,.7)}
.sb-item[aria-pressed=true]{background:var(--nav-active);color:var(--ink)}
.sb-item[aria-pressed=true] .ico{color:#2f5f9e}
.sb-item[aria-pressed=false].is-cat-off{color:var(--ink-4)}
.sb-item .swatch{width:10px;height:10px;border-radius:3px;flex:none;margin:0 3px}
.sb-note{margin:4px 8px;font:400 11px/1.4 var(--font-ui);color:var(--ink-3)}
.hd-nav button{border:0;background:none;cursor:pointer;padding:6px 11px;border-radius:7px;font:500 calc(var(--fs-nav) - .5px)/1 var(--font-ui);color:#273041;letter-spacing:normal;min-height:0}
.hd-nav button:hover{background:var(--nav-top-active)}
.hd-nav button[aria-pressed=true]{background:#f3ebe1;color:var(--ink)}
.hd-hit{display:flex;align-items:center;gap:4px}
.hd-hit>a:first-child{flex:1;min-width:0}
.hd-results .hd-extra{flex:none;padding:6px 8px;font:500 11px/1 var(--font-ui);color:var(--link)}
.hd-group{margin:6px 10px 2px;font:600 10.5px/1 var(--font-ui);letter-spacing:.04em;text-transform:uppercase;color:var(--ink-3)}
.hd-results button.hd-place{display:flex;width:100%;justify-content:space-between;gap:12px;padding:8px 10px;border:0;border-radius:7px;background:none;text-align:left;cursor:pointer;font:400 12.5px/1.3 var(--font-ui);color:var(--ink);letter-spacing:normal;min-height:0}
.hd-results button.hd-place:hover,.hd-results button.hd-place:focus{background:var(--nav-active);outline:none}
.ui-select-native{display:none!important}
.ui-select-btn{display:inline-flex;align-items:center;justify-content:space-between;gap:10px;box-sizing:border-box;max-width:100%;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);cursor:pointer;text-align:left}
.ui-select-btn:hover{border-color:#c3ccd6}
.ui-select-btn:focus-visible,.ui-select-btn[aria-expanded=true]{outline:none;border-color:var(--link);box-shadow:0 0 0 3px rgba(47,95,158,.14)}
.ui-select-text{min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.ui-select-chevron{width:10px;height:6px;flex:none;color:#667085;transition:transform .12s}
.ui-select-btn[aria-expanded=true] .ui-select-chevron{transform:rotate(180deg)}
.ui-select-list{position:fixed;z-index:60;box-sizing:border-box;margin:0;padding:4px;list-style:none;overflow-y:auto;border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:0 12px 32px rgba(16,24,40,.16);font:400 13.5px/1.3 var(--font-ui);color:var(--ink);outline:none}
.ui-select-list[hidden]{display:none}
.ui-select-list li{display:flex;align-items:center;gap:8px;min-height:34px;padding:6px 12px 6px 8px;border-radius:7px;cursor:pointer}
.ui-select-list li.is-active{background:var(--nav-active)}
.ui-select-list li[aria-selected=true]{font-weight:600}
.ui-select-check{width:16px;height:16px;flex:none;color:var(--link);visibility:hidden}
.ui-select-list li[aria-selected=true] .ui-select-check{visibility:visible}