/* ──────────────────────────────────────────────────────────────────────────
   NWS Cloud — production stylesheet
   NWS palette · WCAG 2.2 AA contrast · prefers-reduced-motion respected
   ────────────────────────────────────────────────────────────────────── */
:root {
  --nws-navy:        #003087;
  --nws-navy-deep:   #001f5e;
  --nws-navy-50:     #eef2f9;
  --nws-navy-25:     #f6f8fc;
  --nws-sky:         #0085CA;
  --nws-sky-50:      #e3f2fb;
  --nws-sky-25:      #f3faff;
  --grad-a-from: #1565c0; --grad-a-to: #0d47a1;
  --grad-b-from: #0085CA; --grad-b-to: #006397;
  --grad-c-from: #4527a0; --grad-c-to: #311b92;
  --ink-950: #060e1f; --ink-900: #0b1220; --ink-800: #1a2233;
  --ink-700: #2d3748; --ink-600: #3b4757; --ink-500: #4a5568;
  --ink-400: #6b7588; --ink-300: #cbd5e0; --ink-200: #e2e8f0;
  --ink-100: #f1f5f9; --ink-50:  #f8fafc; --paper:   #ffffff;
  --warn:    #b54708; --ok:      #15803d; --err:     #b42318;
  --shadow-xs: 0 1px 2px rgba(11,18,32,.04);
  --shadow-sm: 0 1px 3px rgba(11,18,32,.06), 0 1px 2px rgba(11,18,32,.04);
  --shadow-md: 0 4px 8px -2px rgba(11,18,32,.08), 0 2px 4px -2px rgba(11,18,32,.05);
  --shadow-lg: 0 12px 24px -8px rgba(11,18,32,.12), 0 8px 16px -8px rgba(11,18,32,.08);
  --shadow-xl: 0 24px 48px -12px rgba(0,48,135,.18), 0 12px 20px -10px rgba(11,18,32,.08);
  --radius-sm: 6px; --radius-md: 10px; --radius-lg: 14px; --radius-xl: 20px;
  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px;
  --space-5: 24px; --space-6: 32px; --space-7: 48px; --space-8: 64px;
  --max-w: 1200px;
  --header-h: 68px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Monaco, Consolas, monospace;
  --ease-soft: cubic-bezier(0.32, 0.72, 0, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(15px, 0.95rem + 0.1vw, 17px);
  line-height: 1.55;
  color: var(--ink-900);
  background:
    radial-gradient(1200px 600px at 100% -200px, rgba(0,133,202,.08), transparent 60%),
    radial-gradient(900px 500px at -10% 0%, rgba(0,48,135,.06), transparent 60%),
    linear-gradient(180deg, var(--nws-navy-25) 0%, var(--paper) 600px);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--nws-navy); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--nws-navy-deep); text-decoration-thickness: 2px; }
button { font: inherit; color: inherit; background: none; border: none; padding: 0; cursor: pointer; }
:focus-visible { outline: 3px solid var(--nws-sky); outline-offset: 2px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}
.skip-link {
  position: absolute; left: -10000px; top: 8px;
  background: var(--paper); padding: 8px 12px;
  border-radius: 6px; box-shadow: var(--shadow-md); z-index: 100;
}
.skip-link:focus { left: 8px; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ── Header ───────────────────────────────────────────────────────────── */
.app-header {
  position: sticky; top: 0; z-index: 30;
  background: rgba(255,255,255,.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid rgba(11,18,32,.06);
  height: var(--header-h);
  display: flex; align-items: center;
}
.app-header__inner {
  width: 100%; max-width: var(--max-w);
  margin: 0 auto; padding: 0 var(--space-5);
  display: flex; align-items: center; gap: var(--space-4);
}
.brand {
  display: flex; align-items: center; gap: var(--space-3);
  text-decoration: none; color: var(--ink-900);
  min-width: 0;
  transition: opacity 160ms ease;
}
.brand:hover { opacity: 0.85; text-decoration: none; }
.brand__seal {
  width: 38px; height: 38px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--nws-navy) 0%, var(--nws-sky) 100%);
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 13px; letter-spacing: 0.04em;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(0,48,135,.25);
  position: relative;
}
.brand__seal::after {
  content: ""; position: absolute; inset: 1px;
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(255,255,255,.18), transparent 50%);
  pointer-events: none;
}
.brand__text { display: flex; flex-direction: column; min-width: 0; line-height: 1.15; }
.brand__title {
  font-size: 14.5px; font-weight: 700;
  color: var(--ink-900);
  letter-spacing: -0.005em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.brand__subtitle {
  font-size: 10.5px;
  color: var(--ink-400);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 600;
}
.header__spacer { flex: 1; }

/* App switcher trigger */
.switcher-wrap { position: relative; }
.switcher-trigger {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 12px 8px 10px;
  border-radius: 10px;
  background: var(--nws-navy-50);
  color: var(--nws-navy);
  font-size: 13px; font-weight: 600;
  transition: background 160ms var(--ease-soft), transform 160ms var(--ease-soft);
}
.switcher-trigger:hover { background: #dde6f3; }
.switcher-trigger:active { transform: scale(0.97); }
.switcher-trigger[aria-expanded="true"] {
  background: var(--nws-navy);
  color: #fff;
}
.switcher-trigger__icon {
  display: grid;
  grid-template-columns: repeat(3, 4px);
  grid-template-rows: repeat(3, 4px);
  gap: 2px;
}
.switcher-trigger__icon span { background: currentColor; border-radius: 1px; }
.switcher-trigger__chev { font-size: 9px; opacity: 0.6; }

.user-menu {
  display: inline-flex; align-items: center; gap: var(--space-3);
  padding: 4px 14px 4px 4px;
  border-radius: 999px;
  background: var(--ink-100);
  transition: background 160ms ease;
}
.user-menu:hover { background: var(--ink-200); }
.user-menu__avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--nws-navy), var(--nws-navy-deep));
  color: #fff;
  display: grid; place-items: center;
  font-size: 12px; font-weight: 700;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.18);
}
.user-menu__text { display: flex; flex-direction: column; line-height: 1.2; }
.user-menu__name { font-size: 13px; font-weight: 600; color: var(--ink-900); }
.user-menu__org { font-size: 11px; color: var(--ink-400); }
.signout-btn {
  margin-left: var(--space-2);
  padding: 7px 13px;
  border: 1px solid var(--ink-200);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink-600);
  font-size: 12.5px; font-weight: 600;
  transition: border-color 160ms ease, color 160ms ease, background 160ms ease;
}
.signout-btn:hover { border-color: var(--ink-400); color: var(--ink-900); background: var(--ink-50); }
@media (max-width: 720px) {
  .user-menu__text { display: none; }
  .switcher-trigger__chev { display: none; }
}

/* ── Main ─────────────────────────────────────────────────────────────── */
main { max-width: var(--max-w); margin: 0 auto; padding: var(--space-7) var(--space-5) var(--space-8); }
.hero { margin-bottom: var(--space-7); }
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 700;
  color: var(--nws-sky);
  text-transform: uppercase; letter-spacing: 0.08em;
  margin: 0 0 var(--space-3);
}
.hero__eyebrow::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 3px rgba(21,128,61,.18);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(21,128,61,.18); }
  50%      { box-shadow: 0 0 0 5px rgba(21,128,61,.06); }
}
.hero__greeting {
  font-family: var(--font-display);
  font-size: clamp(28px, 1.9rem + 1vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink-950);
  margin: 0 0 var(--space-3);
  line-height: 1.1;
}
.hero__greeting em {
  font-style: normal;
  background: linear-gradient(135deg, var(--nws-navy), var(--nws-sky));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.hero__sub {
  font-size: clamp(15px, 0.95rem + 0.15vw, 17.5px);
  color: var(--ink-500);
  margin: 0;
  max-width: 60ch;
  line-height: 1.55;
}
.hero__meta {
  display: flex; gap: var(--space-5); flex-wrap: wrap;
  margin: var(--space-5) 0 0;
  padding: var(--space-3) var(--space-4);
  background: var(--paper);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  font-size: 13px;
  color: var(--ink-600);
}
.hero__meta__item { display: inline-flex; align-items: center; gap: 8px; }
.hero__meta__num { font-size: 16px; font-weight: 700; color: var(--ink-900); }
.hero__meta__sep { width: 1px; height: 16px; background: var(--ink-200); align-self: center; }
.hero__meta__chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--nws-navy-50);
  color: var(--nws-navy);
  font-size: 12px; font-weight: 600;
  font-family: var(--font-mono);
}

.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin: 0 0 var(--space-4); gap: var(--space-4);
}
.section-head__title {
  font-family: var(--font-display);
  font-size: 18px; font-weight: 700;
  color: var(--ink-900);
  letter-spacing: -0.005em;
  margin: 0;
}
.section-head__sub {
  font-size: 12.5px; color: var(--ink-400);
  text-transform: uppercase; letter-spacing: 0.06em;
  font-weight: 600;
}

/* ── App tiles ────────────────────────────────────────────────────────── */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
}
.apps-grid--locked { margin-top: var(--space-6); }
.app-tile {
  position: relative;
  display: flex; flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 240ms var(--ease-soft),
              transform 280ms var(--ease-spring),
              border-color 240ms var(--ease-soft);
  min-height: 220px;
  overflow: hidden;
}
.app-tile::before {
  content: ""; position: absolute; inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, transparent 70%, rgba(0,133,202,.04) 100%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 240ms var(--ease-soft);
}
.app-tile:hover {
  box-shadow: var(--shadow-lg);
  border-color: rgba(0,133,202,.4);
  transform: translateY(-3px);
  text-decoration: none;
}
.app-tile:hover::before { opacity: 1; }
.app-tile:hover .app-tile__cta { gap: 8px; color: var(--nws-navy-deep); }
.app-tile:hover .app-tile__icon { transform: scale(1.04) rotate(-1deg); }
.app-tile:active { transform: translateY(-1px); }
.app-tile__head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.app-tile__icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-size: 22px; font-weight: 800;
  color: #fff;
  flex-shrink: 0;
  transition: transform 280ms var(--ease-spring);
  position: relative;
}
.app-tile__icon::after {
  content: ""; position: absolute; inset: 1px;
  border-radius: 11px;
  background: linear-gradient(180deg, rgba(255,255,255,.22), transparent 50%);
  pointer-events: none;
}
.app-tile__icon--a { background: linear-gradient(135deg, var(--grad-a-from), var(--grad-a-to)); box-shadow: 0 4px 12px -3px rgba(13,71,161,.45); }
.app-tile__icon--b { background: linear-gradient(135deg, var(--grad-b-from), var(--grad-b-to)); box-shadow: 0 4px 12px -3px rgba(0,99,151,.45); }
.app-tile__icon--c { background: linear-gradient(135deg, var(--grad-c-from), var(--grad-c-to)); box-shadow: 0 4px 12px -3px rgba(49,27,146,.45); }
.app-tile__badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 700;
  padding: 4px 9px;
  border-radius: 999px;
  text-transform: uppercase; letter-spacing: 0.04em;
}
.app-tile__badge--member {
  background: rgba(21,128,61,.10);
  color: #15803d;
}
.app-tile__badge--member::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor;
}
.app-tile__name {
  font-family: var(--font-display);
  font-size: 18px; font-weight: 700;
  color: var(--ink-900);
  margin: 0 0 var(--space-2);
  letter-spacing: -0.01em;
  line-height: 1.25;
}
.app-tile__desc {
  font-size: 13.5px;
  color: var(--ink-500);
  margin: 0 0 var(--space-4);
  line-height: 1.55;
  flex: 1;
}
.app-tile__desc code {
  font-family: var(--font-mono);
  font-size: 11.5px;
  background: var(--ink-100);
  color: var(--ink-700);
  padding: 1px 6px;
  border-radius: 4px;
  word-break: break-all;
}
.app-tile__foot {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--ink-100);
}
.app-tile__cta {
  display: inline-flex; align-items: center; gap: 5px;
  color: var(--nws-navy);
  font-size: 13.5px; font-weight: 600;
  transition: gap 220ms var(--ease-spring), color 200ms ease;
}
.app-tile__meta { color: var(--ink-400); font-size: 11.5px; font-family: var(--font-mono); letter-spacing: -0.01em; }
.app-tile--locked {
  background: linear-gradient(180deg, rgba(255,255,255,.6), rgba(247,249,252,.6));
  border-color: var(--ink-200);
  cursor: default;
}
.app-tile--locked::after {
  content: ""; position: absolute; inset: 0;
  border-radius: inherit;
  background: repeating-linear-gradient(135deg, transparent 0, transparent 12px, rgba(11,18,32,.018) 12px, rgba(11,18,32,.018) 13px);
  pointer-events: none;
}
.app-tile--locked:hover {
  box-shadow: var(--shadow-sm);
  border-color: var(--ink-300);
  transform: translateY(-1px);
}
.app-tile--locked .app-tile__icon { opacity: 0.55; filter: saturate(0.6); }
.app-tile--locked .app-tile__name { color: var(--ink-700); }
.app-tile--locked .app-tile__desc { color: var(--ink-500); }
.app-tile__lock {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--ink-200);
  display: grid; place-items: center;
  color: var(--ink-500);
  box-shadow: var(--shadow-xs);
}
.app-tile__request {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--nws-navy);
  font-size: 12.5px; font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--nws-navy-50);
  background: var(--paper);
  padding: 6px 11px;
  border-radius: 7px;
  transition: all 180ms ease;
}
.app-tile__request:hover {
  background: var(--nws-navy);
  color: #fff;
  border-color: var(--nws-navy);
  text-decoration: none;
}

/* ── App switcher popover ─────────────────────────────────────────────── */
.switcher-popover {
  position: absolute;
  top: calc(100% + 10px); right: 0;
  width: min(380px, 92vw);
  background: var(--paper);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-3);
  z-index: 40;
  animation: popIn 180ms var(--ease-spring);
}
@keyframes popIn {
  from { opacity: 0; transform: translateY(-6px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.switcher-popover__title {
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-400);
  padding: var(--space-2) var(--space-3);
}
.switcher-grid { display: flex; flex-direction: column; gap: 2px; }
.switcher-item {
  display: flex; align-items: center; gap: var(--space-3);
  padding: 9px 11px;
  border-radius: 9px;
  text-decoration: none;
  color: var(--ink-900);
  transition: background 140ms ease, transform 140ms var(--ease-spring);
}
.switcher-item:hover {
  background: var(--nws-navy-50);
  text-decoration: none;
  transform: translateX(2px);
}
.switcher-item[aria-current="page"] { background: var(--nws-navy); color: #fff; }
.switcher-item__icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  display: grid; place-items: center;
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
  box-shadow: 0 2px 4px -1px rgba(11,18,32,.18);
}
.switcher-item__icon--a { background: linear-gradient(135deg, var(--grad-a-from), var(--grad-a-to)); }
.switcher-item__icon--b { background: linear-gradient(135deg, var(--grad-b-from), var(--grad-b-to)); }
.switcher-item__icon--c { background: linear-gradient(135deg, var(--grad-c-from), var(--grad-c-to)); }
.switcher-item__body { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.switcher-item__name { font-size: 13.5px; font-weight: 600; }
.switcher-item__sub { font-size: 11px; color: var(--ink-400); font-family: var(--font-mono); }
.switcher-item[aria-current="page"] .switcher-item__sub { color: rgba(255,255,255,.7); }
.switcher-item__kbd {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-400);
  background: var(--ink-100);
  border: 1px solid var(--ink-200);
  border-bottom-width: 2px;
  padding: 1px 6px;
  border-radius: 4px;
}
.switcher-item--locked { opacity: 0.5; cursor: not-allowed; }
.switcher-item--locked:hover { background: transparent; transform: none; }
.switcher-divider { height: 1px; background: var(--ink-200); margin: var(--space-3) calc(var(--space-3) * -1) var(--space-2); }
.switcher-foot { padding: var(--space-2) var(--space-3) var(--space-1); }
.switcher-foot__link {
  display: flex; align-items: center; gap: 8px;
  font-size: 12.5px;
  color: var(--ink-500);
  text-decoration: none;
  padding: 8px 9px;
  border-radius: 7px;
  font-weight: 600;
}
.switcher-foot__link:hover { background: var(--ink-100); text-decoration: none; color: var(--ink-900); }

/* ── Inside-app shell ─────────────────────────────────────────────────── */
.app-shell {
  background: var(--paper);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
  margin-top: var(--space-4);
  min-height: 320px;
  box-shadow: var(--shadow-sm);
}
.app-shell__crumbs {
  font-size: 11.5px; color: var(--ink-400);
  margin-bottom: var(--space-3);
  text-transform: uppercase; letter-spacing: 0.08em;
  font-weight: 600;
}
.app-shell__title {
  font-family: var(--font-display);
  font-size: 32px; font-weight: 700;
  margin: 0 0 var(--space-3);
  letter-spacing: -0.015em;
  color: var(--ink-950);
}
.app-shell__lede {
  color: var(--ink-500);
  margin: 0 0 var(--space-6);
  line-height: 1.6;
  max-width: 60ch;
}
.app-shell__lede code {
  font-family: var(--font-mono); font-size: .9em;
  background: var(--nws-navy-50); color: var(--nws-navy-deep);
  padding: 1px 6px; border-radius: 4px;
}
.placeholder-blocks { display: grid; gap: var(--space-3); }
.placeholder-blocks .pb {
  height: 14px;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--ink-100) 0%, var(--ink-200) 50%, var(--ink-100) 100%);
}
.placeholder-blocks .pb:nth-child(1) { width: 80%; }
.placeholder-blocks .pb:nth-child(2) { width: 65%; }
.placeholder-blocks .pb:nth-child(3) { width: 92%; }
.placeholder-blocks .pb:nth-child(4) { width: 70%; }
.switcher-tip {
  margin-top: var(--space-6);
  padding: var(--space-4);
  background: var(--nws-sky-25);
  border: 1px solid rgba(0,133,202,.15);
  border-radius: var(--radius-md);
  color: var(--ink-700);
  font-size: 13.5px;
}
.switcher-tip strong { color: var(--ink-900); }
.switcher-tip code {
  font-family: var(--font-mono); font-size: .9em;
  background: var(--paper); border: 1px solid var(--ink-200);
  padding: 1px 6px; border-radius: 4px;
}

/* ── Sign-in landing (pre-auth state) ─────────────────────────────────── */
.signin-card {
  max-width: 480px;
  margin: var(--space-8) auto;
  padding: var(--space-7);
  background: var(--paper);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
}
.signin-card__seal {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--nws-navy) 0%, var(--nws-sky) 100%);
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 18px; letter-spacing: 0.04em;
  margin: 0 auto var(--space-5);
  box-shadow: var(--shadow-md);
}
.signin-card__title {
  font-family: var(--font-display);
  font-size: 24px; font-weight: 700;
  margin: 0 0 var(--space-3);
  color: var(--ink-950);
  letter-spacing: -0.015em;
}
.signin-card__lede {
  color: var(--ink-500);
  margin: 0 0 var(--space-6);
  line-height: 1.55;
}
.signin-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px;
  background: var(--nws-navy);
  color: #fff;
  border-radius: 10px;
  font-size: 15px; font-weight: 600;
  text-decoration: none;
  transition: background 160ms ease, transform 160ms var(--ease-spring);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  border: none;
}
.signin-btn:hover { background: var(--nws-navy-deep); text-decoration: none; transform: translateY(-1px); }
.signin-btn:active { transform: translateY(0); }

/* ── Pre-auth landing motion (respects prefers-reduced-motion via global gate) ── */
.signin-card {
  animation: signinCardEnter 540ms var(--ease-spring) both;
}
@keyframes signinCardEnter {
  from { opacity: 0; transform: translateY(14px) scale(.985); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.signin-card__seal {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  animation: signinSealPop 720ms var(--ease-spring) 80ms both;
}
@keyframes signinSealPop {
  from { opacity: 0; transform: scale(.6) rotate(-8deg); }
  to   { opacity: 1; transform: scale(1) rotate(0); }
}
/* Continuous diagonal shimmer sweep across the seal — slow, off-cycle from any other motion */
.signin-card__seal::before {
  content: "";
  position: absolute; inset: -50%;
  background: linear-gradient(115deg, transparent 38%, rgba(255,255,255,.42) 50%, transparent 62%);
  transform: translateX(-100%);
  animation: signinSealShimmer 4.8s ease-in-out 1.4s infinite;
  pointer-events: none;
  z-index: 1;
}
@keyframes signinSealShimmer {
  0%   { transform: translateX(-100%); }
  55%  { transform: translateX(100%); }
  100% { transform: translateX(100%); }
}
/* One-shot halo pulse behind seal on initial mount */
.signin-card__seal::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  box-shadow: 0 0 0 0 rgba(0,133,202,.45);
  animation: signinSealHalo 1800ms ease-out 600ms 1 both;
  pointer-events: none;
  z-index: -1;
}
@keyframes signinSealHalo {
  from { box-shadow: 0 0 0 0 rgba(0,133,202,.45); opacity: 1; }
  to   { box-shadow: 0 0 0 22px rgba(0,133,202,0);  opacity: 0; }
}

.signin-card__title { animation: signinFadeUp 520ms var(--ease-spring) 180ms both; }
.signin-card__lede  { animation: signinFadeUp 520ms var(--ease-spring) 260ms both; }
.signin-btn         { animation: signinFadeUp 540ms var(--ease-spring) 340ms both;
                      position: relative; overflow: hidden; }
@keyframes signinFadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* CTA shine sweep on hover */
.signin-btn::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,.20) 50%, transparent 70%);
  transform: translateX(-110%);
  transition: transform 700ms var(--ease-soft);
  pointer-events: none;
}
.signin-btn:hover::before { transform: translateX(110%); }

/* CTA loading state — text swaps to spinner + "Redirecting…" on click */
.signin-btn[aria-busy="true"] {
  cursor: progress;
  opacity: 0.88;
  pointer-events: none;
}
.signin-btn[aria-busy="true"]::before { transform: translateX(-110%); }
.signin-btn__spinner {
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,.32);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 600ms linear infinite;
  display: inline-block;
  flex-shrink: 0;
}

/* ── Loading / status ─────────────────────────────────────────────────── */
.status-screen {
  display: grid; place-items: center;
  min-height: 60vh;
  text-align: center;
  color: var(--ink-500);
  font-size: 14px;
}
.spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--ink-200);
  border-top-color: var(--nws-sky);
  border-radius: 50%;
  margin: 0 auto var(--space-3);
  animation: spin 700ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Footer ───────────────────────────────────────────────────────────── */
.site-footer {
  margin-top: var(--space-8);
  padding: var(--space-5) var(--space-5);
  border-top: 1px solid var(--ink-200);
  background: rgba(255,255,255,.6);
  color: var(--ink-400);
  font-size: 12px;
}
.site-footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
  gap: var(--space-3); flex-wrap: wrap;
}
.site-footer__env {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 9px;
  background: var(--nws-sky-50);
  color: var(--nws-navy-deep);
  border-radius: 5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 10.5px;
}
.site-footer__links a { color: var(--ink-500); margin-left: var(--space-4); text-decoration: none; }
.site-footer__links a:hover { color: var(--nws-navy); }