/*
 * The frame: sidebar, rail, brand mark and the main column.
 *
 * Part of the ordered atlas stylesheet — the files in this directory are
 * linked in filename order and the order is load-bearing, so a rule moved
 * between them can change what wins.
 */
/* ===================== Shell / sidebar ===================== */
.shell{display:flex;height:100vh;overflow:hidden}
.sidebar{width:230px;flex-shrink:0;display:flex;flex-direction:column;
  background:var(--ink);border-right:1px solid var(--ink)}
.brand{display:flex;align-items:center;gap:11px;padding:18px 16px 16px;border-bottom:1px solid #262C36}
.brand .atlas-logo{width:38px;height:38px}
.brand-text h1{font-family:var(--wordmark);font-weight:600;font-size:19px;letter-spacing:2px;color:#fff;line-height:1}
.brand-text span{font-size:10px;letter-spacing:.5px;color:#7B838D}
.nav{flex:1;overflow-y:auto;padding:12px 10px;display:flex;flex-direction:column;gap:2px}
.nav::-webkit-scrollbar{width:6px}
.nav::-webkit-scrollbar-thumb{background:#363D48;border-radius:3px}
.nav-item{display:flex;align-items:center;gap:11px;padding:9px 11px;border-radius:8px;color:#AEB5BD;
  font-size:13px;font-weight:500;cursor:pointer;transition:.15s;position:relative}
.nav-item .ic{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.nav-item:hover{background:#222934;color:#E7EAEE}
.nav-item.active{color:var(--accent-ink,#fff);background:var(--accent)}
.nav-label{flex:1}
.nav-sep{font-size:9px;letter-spacing:.7px;text-transform:uppercase;color:#5B636E;
  font-weight:600;padding:14px 11px 5px;font-family:var(--mono)}
.nav-layer{font-size:9px;letter-spacing:.4px;text-transform:uppercase;opacity:.55;font-family:var(--mono)}
.nav-item.active .nav-layer{opacity:.85}
/* brand mark (compass in teal square) */
.brand-mark{width:34px;height:34px;border-radius:9px;flex-shrink:0;display:grid;place-items:center;color:#fff;
  background:linear-gradient(135deg,#3b82f6,#1747a8)}
.brand-mark svg{width:18px;height:18px}
.brand-logo{width:36px;height:36px;object-fit:contain;flex-shrink:0}
/* login logo — gentle repeating fade pulse */
.auth-logo-anim{animation:logo-fade 2.6s ease-in-out infinite}
@keyframes logo-fade{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.94)}}
/* rail foot — acting as / fields / reset (prototype chrome) */
.rail-foot{padding:12px 14px;border-top:1px solid #262C36;display:flex;flex-direction:column;gap:10px}
.acting{display:flex;flex-direction:column;gap:5px}
.acting-lbl{display:flex;align-items:center;gap:5px;font-size:10px;color:#7B838D;text-transform:uppercase;letter-spacing:.4px;font-weight:600}
.acting-lbl svg{width:11px;height:11px;fill:none;stroke:currentColor;stroke-width:2}
.acting select{background:#222934;border:1px solid #2C333D;border-radius:7px;padding:7px 9px;color:#C7CCD3;font-size:12px}
.fieldmask{display:flex;flex-direction:column;gap:6px}
.fm-label{font-size:9px;letter-spacing:.7px;text-transform:uppercase;color:#5B636E;font-weight:600;font-family:var(--mono)}
.fm-seg{display:flex;background:#0b1220;border:1px solid #222934;border-radius:9px;padding:3px;gap:3px}
.fm-seg button{flex:1;font-size:12px;font-weight:600;color:#9aa3b0;background:none;border:none;border-radius:6px;padding:6px;cursor:pointer;transition:.12s}
.fm-seg button:hover{color:#E7EAEE}
.fm-seg button.on{background:var(--accent-soft);color:var(--accent-text,var(--accent))}
.rail-user{display:flex;align-items:center;gap:9px}
.reset-btn{display:flex;align-items:center;justify-content:center;gap:7px;font-size:12px;color:#9aa3b0;padding:9px 8px;border-radius:8px;background:none;border:1px solid #2C333D;cursor:pointer;width:100%}
.reset-btn svg{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:2}
.reset-btn:hover{color:#E7EAEE;background:#222934;border-color:#3a4250}
.rail-user{display:flex;align-items:center;gap:9px;padding-top:4px;border-top:1px solid #1a2230;margin-top:2px}
/* brief stat icon */
.sb-ic{width:18px;height:18px;margin-bottom:11px}
.sb-ic svg{width:18px;height:18px}
.side-foot{padding:12px 14px;border-top:1px solid #262C36;display:flex;align-items:center;gap:10px}
.user{display:flex;align-items:center;gap:10px;flex:1;min-width:0}
.avatar{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,#3b82f6,#1747a8);
  color:#fff;display:grid;place-items:center;font-weight:700;flex-shrink:0}
.user-meta{min-width:0}
.user-meta b{display:block;font-size:13px;color:#E7EAEE;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.user-meta span{font-size:11px;color:#7B838D;text-transform:capitalize}
.logout{width:34px;height:34px;display:grid;place-items:center;border-radius:8px;color:#7B838D;
  border:1px solid #2C333D}
.logout .ic{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.logout:hover{color:#fff;border-color:#3a4250;background:#222934}

/* ===================== Main ===================== */
.main{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--bg)}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 30px;
  border-bottom:1px solid var(--line);background:var(--surface,var(--bg2))}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);flex-wrap:wrap;font-weight:500}
.crumbs b{color:var(--ink)}
.crumbs a{color:var(--accent-text,var(--accent));cursor:pointer}
.crumbs .sep{color:var(--faint)}
.search input{background:var(--panel);border:1px solid var(--line2);border-radius:10px;padding:9px 14px;
  color:var(--txt);width:240px;font-size:13px}
.search input:focus{outline:none;border-color:var(--accent)}
.view{flex:1;overflow-y:auto;padding:22px 30px}
.loading{color:var(--muted);padding:40px;text-align:center}
.fade{animation:fade .35s ease}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}