/* =============================================================================
   BSE Portal — app.css
   Extends styles/shared.css. Adds app-shell patterns: cards, phase badges, toast.
   ============================================================================= */

/* ---------- App shell ------------------------------------------------------- */
.app-shell{
  min-height:100vh;
  display:flex; flex-direction:column;
}

.app-top{
  position:sticky; top:0; z-index:20;
  display:flex; justify-content:space-between; align-items:center; gap:20px;
  padding:14px var(--gutter);
  border-bottom:1px solid var(--line);
  background:var(--color-bg-overlay-strong);
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
}
.app-top .brand{font-size:16px}
.app-top .nav-links{gap:20px}
/* Admin shortcut pill in the portal nav (injected by BSE.ui.addAdminNav for staff) */
.nav-links a.nav-admin{
  padding:5px 12px; border:1px solid var(--line-2); border-radius:999px;
  color:var(--ink-dim); line-height:1;
  transition:color .2s ease, border-color .2s ease, background .2s ease;
}
.nav-links a.nav-admin:hover{ color:var(--accent); border-color:var(--accent); background:var(--bg-3); }

/* ---------- Mobile nav: hamburger toggle + dropdown (app pages only) -------
   Below 860px the inline .nav-links is hidden (shared.css); the toggle
   injected by BSE.ui.initMobileNav reveals it as a dropdown so Home / Account
   / Admin stay reachable on phones. Scoped to .app-top so marketing navs are
   unaffected. */
.nav-toggle{ display:none; }
@media (max-width:860px){
  .app-top .nav-toggle{
    display:inline-flex; align-items:center; justify-content:center;
    width:38px; height:38px; padding:0; flex:none;
    color:var(--ink-dim); background:transparent;
    border:1px solid var(--line-2); border-radius:10px; cursor:pointer;
    transition:color .2s, border-color .2s, background-color .2s;
  }
  .app-top .nav-toggle:hover{ color:var(--ink); border-color:var(--ink-mute); background:var(--bg-3); }
  .app-top .nav-toggle svg{ width:20px; height:20px; }
  .app-top .app-me #me-email,
  .app-top .app-me .role{ display:none; }
  .app-top .nav-links{
    display:none;
    position:absolute; top:100%; right:var(--gutter); left:var(--gutter);
    flex-direction:column; align-items:stretch; gap:2px;
    margin-top:8px; padding:8px;
    background:var(--color-bg-overlay-strong);
    backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
    border:1px solid var(--line); border-radius:12px;
    box-shadow:var(--shadow-raised); z-index:30;
  }
  .app-top .nav-links.open{ display:flex; }
  .app-top .nav-links a{ padding:11px 12px; border-radius:8px; font-size:14px; color:var(--ink-dim); }
  .app-top .nav-links a:hover,
  .app-top .nav-links a.active{ background:var(--bg-3); color:var(--ink); }
  .app-top .nav-links a.nav-admin{ padding:11px 12px; border:1px solid var(--line-2); color:var(--accent); }
}
.app-me{
  display:flex; align-items:center; gap:12px;
  font-family:var(--sans); font-size:12.5px; letter-spacing: 0;
  text-transform: none; color:var(--ink-dim);
}
.app-me .role{
  padding:3px 8px; border:1px solid var(--line-2); border-radius:999px;
  color:var(--accent);
}
.app-me button{
  color:var(--ink-dim); transition:color .2s, border-color .2s, background-color .2s;
  font:inherit; text-transform:inherit; letter-spacing:inherit;
  padding:6px 13px; border:1px solid var(--line-2); border-radius:999px;
  background:transparent; cursor:pointer;
}
.app-me button:hover{color:var(--ink); border-color:var(--ink-mute); background:var(--bg-3)}

.app-main{
  flex:1; padding:clamp(32px,5vw,56px) var(--gutter);
  max-width:var(--max); margin:0 auto; width:100%;
}

/* ---------- Card ------------------------------------------------------------ */
.card{
  background:var(--bg-2); border:1px solid var(--line); border-radius:16px;
  padding:24px; transition:border-color .25s ease, transform .25s ease;
}
.card:hover{border-color:var(--line-2)}
.card + .card{margin-top:16px}
.card h3{font-family:var(--serif); font-size:22px; font-weight:400; margin:0 0 10px}
.card .meta{
  font-family:var(--sans); font-weight:500; font-size:11.5px; letter-spacing: .02em;
  text-transform: none; color:var(--ink-mute); margin:0 0 12px;
}

/* ---------- Empty state ---------------------------------------------------- */
.empty{
  padding:48px 24px; border:1px dashed var(--line-2); border-radius:16px;
  text-align:center; color:var(--ink-dim);
}
.empty h3{margin:0 0 8px; font-family:var(--serif); font-weight:400; font-size:22px; color:var(--ink)}
.empty p{margin:0; color:var(--ink-dim); font-size:14.5px}

/* ---------- Phase badge ----------------------------------------------------- */
.phase-badge{
  display:inline-flex; align-items:center; gap:6px;
  padding:4px 10px; border-radius:999px;
  font-family:var(--sans); font-weight:500; font-size:11px; letter-spacing: .03em;
  text-transform: none; color:var(--accent);
  border:1px solid var(--accent-border); background:var(--accent-bg);
}
.phase-badge::before{
  content:""; width:6px; height:6px; border-radius:50%; background:var(--accent);
}
.phase-badge.phase-5{color:var(--ok); border-color:rgba(63,185,80,.3); background:var(--color-status-success-bg)}
.phase-badge.phase-5::before{background:var(--ok)}

/* ---------- Login card ----------------------------------------------------- */
.login-wrap{
  min-height:100vh; display:grid; place-items:center;
  padding:24px; position:relative; overflow:hidden;
}
.login-wrap::before{
  content:""; position:absolute; inset:0; pointer-events:none;
  background:radial-gradient(900px 560px at 70% 22%, rgba(228,232,240,.10), transparent 70%);
}
.login-card{
  position:relative; z-index:1;
  width:100%; max-width:440px;
  padding:40px 36px;
  border:1px solid var(--line); border-radius:20px;
  background:linear-gradient(180deg, var(--bg-2), var(--bg));
  box-shadow:var(--shadow-overlay), 0 0 0 1px rgba(228,232,240,.05);
}
.login-card h1{
  font-family:var(--serif); font-weight:300; font-size:32px; letter-spacing:-.02em;
  line-height:1.1; margin:0 0 10px;
}
.login-card h1 em{font-style:italic; color:var(--accent-2); font-weight:300}
.login-card p.lede{
  color:var(--ink-dim); font-size:14.5px; line-height:1.55; margin:0 0 28px;
}
.login-card .field{display:flex; flex-direction:column; gap:6px; margin-bottom:18px}
.login-card .checkfield{
  display:flex; align-items:center; gap:10px; cursor:pointer;
  margin:-2px 0 20px; user-select:none;
}
.login-card .checkfield input{position:absolute; opacity:0; width:1px; height:1px; pointer-events:none}
.login-card .checkfield .checkbox{
  flex:0 0 auto; width:18px; height:18px; border-radius:5px;
  border:1px solid var(--line-2); background:var(--bg);
  display:grid; place-items:center; transition:border-color .2s, background .2s;
}
.login-card .checkfield .checkbox::after{
  content:""; width:9px; height:9px; border-radius:2px;
  background:var(--accent); transform:scale(0); transition:transform .15s ease;
}
.login-card .checkfield input:checked + .checkbox{border-color:var(--accent)}
.login-card .checkfield input:checked + .checkbox::after{transform:scale(1)}
.login-card .checkfield input:focus-visible + .checkbox{box-shadow:var(--glow-focus); border-color:var(--accent)}
.login-card .checkfield:hover .checkbox{border-color:var(--ink-dim)}
.login-card .checkfield .checktext{font-size:13px; color:var(--ink-dim); line-height:1.4}
@media (prefers-reduced-motion: reduce){
  .login-card .checkfield .checkbox,
  .login-card .checkfield .checkbox::after{transition:none}
}
.login-card label{
  font-family:var(--sans); font-weight:500; font-size:11.5px; letter-spacing: .02em;
  text-transform: none; color:var(--ink-mute);
}
.login-card input{
  font-family:inherit; font-size:15px; color:var(--ink);
  background:var(--bg); border:1px solid var(--line-2); border-radius:10px;
  padding:13px 14px; outline:none; transition:border-color .2s;
}
.login-card input:hover{border-color:var(--ink-dim)}
.login-card input:focus{border-color:var(--accent); box-shadow:var(--glow-focus)}
.login-card .btn{
  width:100%; justify-content:center; padding:14px 18px;
  background:var(--accent); color:var(--color-on-accent); border-color:transparent;
  font-weight:600; box-shadow:var(--glow-soft);
}
.login-card .btn:hover{background:var(--accent-2); border-color:transparent; box-shadow:var(--glow-hover)}
.login-card .btn[disabled]{opacity:.6; cursor:not-allowed}
.login-card .foot{
  margin-top:24px; padding-top:20px; border-top:1px solid var(--line);
  font-family:var(--sans); font-size:12px; letter-spacing: 0;
  text-transform: none; color:var(--ink-mute); text-align:center;
}
.login-card .foot a{color:var(--ink-dim); text-decoration:underline; text-decoration-color:var(--line-2); text-underline-offset:3px}
.login-card .foot a:hover{color:var(--ink)}

.login-msg{
  margin-top:16px; padding:14px 16px; border-radius:10px;
  font-size:13.5px; line-height:1.5;
  display:none;
}
.login-msg.on{display:block}
.login-msg.ok{background:var(--color-status-success-bg); border:1px solid rgba(63,185,80,.4); color:var(--ok)}
.login-msg.err{background:var(--color-status-danger-bg); border:1px solid rgba(248,81,73,.4); color:var(--danger)}

/* ---------- Toast ---------------------------------------------------------- */
.bse-toast{
  position:fixed; bottom:24px; right:24px; z-index:500;
  padding:12px 18px; border-radius:10px;
  font-size:13.5px; color:var(--ink);
  background:var(--bg-2); border:1px solid var(--line-2);
  box-shadow:var(--shadow-raised);
  opacity:0; transform:translateY(12px);
  transition:opacity .3s ease, transform .3s ease;
  max-width:340px;
}
.bse-toast.in{opacity:1; transform:none}
.bse-toast-ok{border-color:rgba(63,185,80,.5); color:var(--ok)}
.bse-toast-err{border-color:rgba(248,81,73,.5); color:var(--danger)}

/* ---------- Small-viewport polish ----------------------------------------- */
@media (max-width: 640px){
  .login-card{padding:32px 24px}
  .app-me .role{display:none}
}
/* =============================================================================
   D4 — engagement list card clickability (append to end of app.css)
   ============================================================================= */
.card-link {
  display: block;
  text-decoration: none;
  color: inherit;
  border-radius: var(--radius-lg, 12px);
  transition: transform 120ms ease;
}
.card-link + .card-link {
  margin-top: var(--space-4, 16px);
}
.card-link:hover .card {
  border-color: var(--accent-border);
  box-shadow: var(--shadow-raised);
}
.card-link:active .card {
  transform: translateY(1px);
}
.card-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.card-link:focus-visible .card {
  border-color: var(--accent);
}

/* ---------- Clickable card affordance: a visible "Open" control so users never
   have to guess the whole card is a link ----------------------------------- */
.card.is-link{ display:flex; align-items:center; gap:24px; }
.card.is-link .card-body{ flex:1; min-width:0; }
.card.is-link h3{ margin:6px 0 8px; }
.card-open{
  flex:none; display:inline-flex; align-items:center; gap:7px; white-space:nowrap;
  padding:9px 16px; border-radius:999px;
  font-family:var(--sans); font-weight:500; font-size:13px; letter-spacing:.005em;
  color:var(--ink-dim); background:var(--bg-3); border:1px solid var(--line-2);
  transition:color var(--motion-hover), background-color var(--motion-hover), border-color var(--motion-hover);
}
.card-open svg{ width:14px; height:14px; }
.card-link:hover .card-open,
.card-link:focus-visible .card-open{ color:var(--color-on-accent); background:var(--accent); border-color:transparent; }
@media(max-width:560px){
  .card.is-link{ flex-direction:column; align-items:stretch; gap:16px; }
  .card-open{ justify-content:center; }
}

/* ---------- Header action row (New engagement / Files / Sim runs) ---------- */
.eng-actions{ display:flex; gap:12px; flex-wrap:wrap; align-items:center; }
.eng-actions .btn svg{ width:16px; height:16px; flex:none; }

/* ---------- Brand: square SM mark in the portal/admin top bar -------------- */
.app-top .brand-mark-img{
  height:30px; width:30px; display:block; object-fit:contain;
  user-select:none; -webkit-user-drag:none;
}

/* ---------- Forms: GLOBAL field layout ------------------------------------
   Was only defined as `.login-card .field` / `#eng-create-form .field`, so the
   admin forms (files / orgs / invite) rendered with no layout. This is the
   shared default; the scoped rules above still extend it. */
.field{ display:flex; flex-direction:column; gap:6px; margin-bottom:18px; }
.field label{ font-family:var(--sans); font-weight:500; font-size:11.5px; letter-spacing:.02em; text-transform:none; color:var(--ink-mute); }
.field .hint{ font-family:var(--sans); font-size:12px; line-height:1.4; color:var(--ink-mute); }

/* destructive action button (distinct from ghost/cancel) */
.btn.danger{ color:var(--danger); border-color:rgba(232,115,107,.4); background:transparent; box-shadow:none; }
.btn.danger:hover{ background:var(--color-status-danger-bg); color:var(--danger); border-color:var(--danger); transform:translateY(-1px); }

/* native file input, themed to match the dark inputs */
input[type=file]{ font-family:var(--sans); font-size:13.5px; color:var(--ink-dim); background:var(--bg-2); border:1px solid var(--line-2); border-radius:var(--radius-md,8px); padding:10px 12px; width:100%; }
input[type=file]::file-selector-button{ font-family:var(--sans); background:var(--bg-3); color:var(--ink); border:1px solid var(--line-2); border-radius:8px; padding:6px 12px; margin-right:12px; cursor:pointer; }
input[type=file]::file-selector-button:hover{ background:#22262c; }

/* sim-run / file rows: flex layout, action group pushed right */
.sim-run-row{ display:flex; align-items:center; gap:16px; padding:12px 0; border-bottom:1px solid var(--line); }
.sim-run-row .row-actions{ margin-left:auto; display:flex; gap:8px; }
.file-row{ display:flex; align-items:center; gap:12px; flex-wrap:wrap; background:var(--bg-2); border:1px solid var(--line); border-radius:12px; padding:14px 16px; margin:8px 0; }
.file-row .meta{ margin:0; }
.file-row .file-name{ flex:1; min-width:0; color:var(--ink); }
.eng-group-head{ display:flex; align-items:center; gap:12px; margin:18px 0 8px; }

/* ---------- Admin/portal page hero (eyebrow + serif title + lede) ----------
   Was only defined in admin/engagements.css; globalized so files / sims and
   other admin tool pages share the same hero hierarchy. */
.eng-create-hero{ margin-bottom:var(--space-8); }
.eng-create-title{ font-family:var(--serif); font-weight:var(--weight-light); font-size:clamp(1.75rem,3vw,2.5rem); line-height:1.05; letter-spacing:-.02em; color:var(--color-text-primary); margin:var(--space-3) 0 var(--space-2); }
.eng-create-lede{ font-family:var(--sans); font-weight:var(--weight-regular); font-size:var(--text-base); line-height:var(--lh-relaxed); color:var(--color-text-secondary); margin:0; max-width:56ch; }

/* =============================================================================
   ISSUE 4 — Nav brand renders ONLY the metallic wordmark image (set by
   BSE.ui.setBrand). Scoped to .app-top so it only affects portal/admin/engagement
   headers; the static marketing subpage navs keep their own brand markup.
   ============================================================================= */
.app-top .brand-wm{
  height:24px; width:auto; display:block;
  /* match the footer's crisp-on-dark treatment for the transparent webp */
  filter:saturate(1.04) brightness(1.03);
  user-select:none; -webkit-user-drag:none;
  /* signature upward tilt, matching the hero/footer wordmark */
  transform:rotate(-12deg); transform-origin:center center;
  margin:5px 4px;
}
/* let the rotated wordmark breathe inside the sticky header without clipping */
.app-top{ overflow:visible; }
.app-top .brand{ gap:0; overflow:visible; }

/* =============================================================================
   ISSUE 3 — Loading splash (flicker wordmark). Static overlay div#bse-splash is
   placed at top of <body> on portal/admin/engagement so it paints before JS;
   BSE.ui.hideSplash() adds .out (fade) then removes the node.
   ============================================================================= */
.bse-splash{
  position:fixed; inset:0; z-index:1000;
  display:flex; align-items:center; justify-content:center;
  padding:24px;
  background:var(--bg);
  opacity:1;
  transition:opacity .42s ease;
}
.bse-splash.out{
  opacity:0;
  pointer-events:none;
}
.bse-splash-wm{
  width:min(360px, 62vw);
  height:auto;
  user-select:none; -webkit-user-drag:none;
  /* signature upward tilt, matching the hero/footer/nav wordmark */
  transform:rotate(-12deg); transform-origin:center center;
  /* subtle, on-brand flicker: gentle opacity dip + faint platinum glow pulse */
  animation:bse-splash-flicker 2.6s ease-in-out infinite;
  will-change:opacity, filter;
}
@keyframes bse-splash-flicker{
  0%,100%{ opacity:.92; filter:drop-shadow(0 0 0 rgba(214,218,226,0)); }
  45%    { opacity:1;   filter:drop-shadow(0 0 14px rgba(214,218,226,.22)); }
  62%    { opacity:.78; filter:drop-shadow(0 0 4px rgba(214,218,226,.10)); }
  78%    { opacity:.97; filter:drop-shadow(0 0 10px rgba(214,218,226,.18)); }
}
@media (prefers-reduced-motion: reduce){
  .bse-splash-wm{ animation:none; opacity:1; filter:none; }
  .bse-splash{ transition:none; }
}

/* neutralize any residual anchor styling inside card */
.card-link .card h3 {
  color: inherit;
}