/* ============================================================
   BASE — reset, typography, layout primitives, app shell
   ============================================================ */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }

html { -webkit-text-size-adjust:100%; }
body {
  font-family:var(--font-body);
  background:var(--paper);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
::selection { background:var(--spoke-orange); color:#fff; }

a { color:inherit; text-decoration:none; }
img,svg { display:block; max-width:100%; }

/* ---- Phosphor icon baseline: one scale, capped so nothing renders huge ---- */
.pf-icon { font-size:20px; line-height:1; flex:0 0 auto; display:inline-flex; align-items:center; justify-content:center; color:currentColor; }
.pf-icon::before { font-size:inherit; line-height:1; }
button { font-family:inherit; cursor:pointer; border:none; background:none; color:inherit; }
input,select,textarea { font-family:inherit; color:inherit; }
:focus-visible { outline:2px solid var(--spoke-orange); outline-offset:2px; border-radius:3px; }

h1,h2,h3,h4 { font-family:var(--font-display); font-weight:700; line-height:1.08; letter-spacing:-0.02em; color:var(--ink); }
h1 { font-size:var(--h1); }
h2 { font-size:var(--h2); }
h3 { font-size:var(--h3); letter-spacing:-0.01em; }

.sr-only {
  position:absolute !important; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); clip-path:inset(50%); white-space:nowrap; border:0;
}

/* ============================================================
   APP SHELL — top bar (glass) + sidebar (solid) + canvas
   ============================================================ */
.shell { min-height:100vh; }

/* ---- Top bar: the one piece of glass chrome ---- */
.topbar {
  position:fixed; top:0; left:0; right:0; height:var(--topbar-h); z-index:200;
  display:flex; align-items:center; gap:18px;
  padding:0 clamp(16px,3vw,28px);
  background:var(--glass-bg);
  -webkit-backdrop-filter:var(--glass-blur);
  backdrop-filter:var(--glass-blur);
  border-bottom:1px solid var(--glass-border);
}
.topbar__brand { display:flex; align-items:center; gap:12px; flex:0 0 auto; }
.topbar__brand img { height:26px; width:auto; }
.topbar__lock {
  display:inline-flex; align-items:center; gap:6px;
  font-size:11px; font-weight:500; letter-spacing:0.04em; color:var(--grey-med);
  padding-left:14px; margin-left:2px; border-left:1px solid var(--line-strong);
}
.topbar__lock .pf-icon { font-size:14px; }
.topbar__search { flex:1 1 auto; max-width:460px; margin:0 auto; position:relative; }
.topbar__search .pf-icon { position:absolute; left:13px; top:50%; transform:translateY(-50%); font-size:20px; color:var(--grey-med); pointer-events:none; }
.topbar__search input {
  width:100%; height:40px; padding:0 16px 0 40px;
  background:rgba(255,255,255,0.6); border:1px solid var(--line); border-radius:var(--r);
  font-size:14px; transition:border-color var(--t-fast), background var(--t-fast);
}
.topbar__search input:focus { outline:none; border-color:var(--spoke-orange); background:#fff; }
.topbar__menu { flex:0 0 auto; position:relative; }
.topbar__account {
  display:flex; align-items:center; gap:10px; padding:6px 8px 6px 12px; border-radius:var(--r);
  transition:background var(--t-fast);
}
.topbar__account:hover { background:rgba(38,38,38,0.05); }
.topbar__avatar {
  width:32px; height:32px; border-radius:50%; background:var(--ink); color:#fff;
  display:flex; align-items:center; justify-content:center; font-size:13px; font-weight:600; flex:0 0 auto;
}
.topbar__who { text-align:left; line-height:1.25; }
.topbar__who b { display:block; font-size:13px; font-weight:600; }
.topbar__who span { display:block; font-size:11px; color:var(--grey-med); }
.topbar__chev { font-size:20px; color:var(--grey-med); }
.dropdown {
  position:absolute; top:calc(100% + 8px); right:0; min-width:200px;
  background:var(--glass-bg); -webkit-backdrop-filter:var(--glass-blur); backdrop-filter:var(--glass-blur);
  border:1px solid var(--glass-border); border-radius:var(--r); box-shadow:var(--glass-shadow);
  padding:6px; opacity:0; transform:translateY(-6px); pointer-events:none; transition:opacity var(--t-fast), transform var(--t-fast);
}
.dropdown.open { opacity:1; transform:translateY(0); pointer-events:auto; }
.dropdown a, .dropdown button {
  display:flex; align-items:center; gap:10px; width:100%; text-align:left;
  padding:9px 12px; border-radius:var(--r-sm); font-size:13.5px; color:var(--ink); transition:background var(--t-fast);
}
.dropdown a:hover, .dropdown button:hover { background:rgba(38,38,38,0.06); }
.dropdown a .pf-icon, .dropdown button .pf-icon { font-size:18px; color:var(--grey-med); }
.dropdown hr { border:0; border-top:1px solid var(--line); margin:6px 4px; }

/* ---- Sidebar ---- */
.sidebar {
  position:fixed; top:var(--topbar-h); bottom:0; left:0; width:var(--sidebar-w); z-index:150;
  background:var(--white); border-right:1px solid var(--line);
  padding:22px 14px; overflow-y:auto;
  transition:transform var(--t-med);
}
.sidebar__group + .sidebar__group { margin-top:24px; }
.sidebar__label { font-size:11px; font-weight:600; letter-spacing:0.08em; color:var(--grey-med); padding:0 12px; margin-bottom:8px; }
.sidebar__link {
  display:flex; align-items:center; gap:11px; padding:9px 12px; border-radius:8px;
  font-size:14px; font-weight:500; color:var(--grey-med);
  transition:background var(--t-fast), color var(--t-fast);
}
.sidebar__link .pf-icon { font-size:20px; color:var(--grey-med); transition:color var(--t-fast); }
/* Inactive hover: very light neutral grey, text darkens. */
.sidebar__link:hover { background:#f6f6f7; color:var(--ink); }
.sidebar__link:hover .pf-icon { color:var(--ink); }
/* Active: calm neutral fill, full ink, fill-weight icon. No orange. */
.sidebar__link[aria-current="page"] {
  color:var(--ink); font-weight:600; background:#f3f3f4;
}
.sidebar__link[aria-current="page"] .pf-icon { color:var(--ink); }
.sidebar__count { margin-left:auto; font-size:12px; color:var(--grey-med); font-weight:500; }

/* ---- Mobile sidebar flyout ---- */
.sidebar__backdrop { display:none; }
@media (max-width:900px){
  .sidebar { transform:translateX(-100%); box-shadow:var(--glass-shadow); }
  .sidebar.open { transform:translateX(0); }
  .sidebar__backdrop.open { display:block; position:fixed; inset:var(--topbar-h) 0 0 0; background:rgba(38,38,38,0.3); z-index:140; }
  .topbar__menu-toggle { display:inline-flex !important; }
}

.topbar__menu-toggle {
  display:none; width:38px; height:38px; border-radius:var(--r-sm); align-items:center; justify-content:center;
  margin-right:-4px;
}
.topbar__menu-toggle .pf-icon { font-size:22px; }

/* ---- Canvas ---- */
.canvas {
  margin-left:var(--sidebar-w); padding-top:var(--topbar-h);
  min-height:100vh;
}
@media (max-width:900px){ .canvas { margin-left:0; } }
.canvas__inner { max-width:var(--maxw); margin:0 auto; padding:clamp(28px,4vw,48px) var(--canvas-pad) 88px; }

.page-head { margin-bottom:32px; }
.page-head h1 { font-size:clamp(1.9rem,3.4vw,2.7rem); }
.page-head p { color:var(--grey-med); font-size:var(--lead); margin-top:8px; max-width:62ch; }

/* utility */
.flow > * + * { margin-top:1rem; }
.muted { color:var(--grey-med); }
.center-screen { min-height:100vh; display:flex; align-items:center; justify-content:center; padding:24px; }

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after { transition-duration:0.01ms !important; animation-duration:0.01ms !important; }
  html { scroll-behavior:auto; }
}