/* UDHES Enterprise Authentication Design System */
:root {
  --ua-ink: #0f172a;
  --ua-muted: #64748b;
  --ua-line: rgba(15, 23, 42, 0.1);
  --ua-card: rgba(255, 255, 255, 0.92);
  --ua-portal: #0a4d8c;
  --ua-portal-2: #00a99d;
  --ua-danger: #b91c1c;
  --ua-ok: #047857;
  --ua-warn: #b45309;
  --ua-display: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  --ua-body: "Instrument Sans", "Segoe UI", sans-serif;
  --ua-radius: 1.15rem;
  --ua-shadow: 0 28px 70px -36px rgba(15, 23, 42, 0.55);
}

html.dark {
  --ua-ink: #e2e8f0;
  --ua-muted: #94a3b8;
  --ua-line: rgba(148, 163, 184, 0.18);
  --ua-card: rgba(15, 23, 42, 0.88);
}

*,
*::before,
*::after { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  font-family: var(--ua-body);
  color: var(--ua-ink);
  background: #eef2f7;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Split shell */
.ua-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(22rem, 0.95fr);
}

@media (max-width: 960px) {
  .ua-shell { grid-template-columns: 1fr; }
  .ua-hero { min-height: 38vh; }
}

/* Left hero */
.ua-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(120% 90% at 10% 10%, color-mix(in srgb, var(--ua-portal-2) 55%, transparent), transparent 55%),
    radial-gradient(90% 80% at 90% 80%, color-mix(in srgb, var(--ua-portal) 70%, transparent), transparent 50%),
    linear-gradient(145deg, #071929 0%, var(--ua-portal) 48%, #06263a 100%);
  padding: clamp(1.5rem, 4vw, 3rem);
  display: flex;
  align-items: flex-end;
}

.ua-hero__aurora,
.ua-hero__grid,
.ua-hero__beam {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.ua-hero__aurora {
  background:
    radial-gradient(circle at 20% 30%, rgba(125, 211, 252, 0.28), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(45, 212, 191, 0.22), transparent 42%);
  filter: blur(8px);
  transition: transform 0.4s ease;
}

.ua-hero__grid {
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.12) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, #000, transparent 85%);
}

.ua-hero__beam {
  background: linear-gradient(115deg, transparent 35%, rgba(255, 255, 255, 0.12) 50%, transparent 65%);
  mix-blend-mode: soft-light;
  animation: uaBeam 9s ease-in-out infinite;
}

@keyframes uaBeam {
  0%, 100% { transform: translateX(-8%); opacity: 0.35; }
  50% { transform: translateX(8%); opacity: 0.7; }
}

.ua-float {
  position: absolute;
  font-size: 1.1rem;
  opacity: 0.35;
  transition: transform 0.25s ease;
}
.ua-float--1 { top: 18%; left: 12%; }
.ua-float--2 { top: 28%; right: 16%; }
.ua-float--3 { bottom: 26%; left: 22%; }

.ua-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 34rem;
  animation: uaFadeUp 0.55s ease both;
}

@keyframes uaFadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

.ua-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}
.ua-mark {
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 0.85rem;
  display: grid;
  place-items: center;
  font-weight: 800;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #7dd3fc, #5eead4);
  color: #0f172a;
  box-shadow: 0 10px 30px -12px rgba(0, 0, 0, 0.45);
}
.ua-mark--sm { width: 2.15rem; height: 2.15rem; font-size: 0.78rem; }
.ua-brand strong { display: block; font-family: var(--ua-display); font-size: 1rem; }
.ua-brand span { display: block; font-size: 0.72rem; opacity: 0.8; font-weight: 600; }

.ua-portal-pill {
  display: inline-flex;
  margin: 0 0 0.85rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(10px);
}

.ua-hero h1 {
  margin: 0;
  font-family: var(--ua-display);
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  font-weight: 800;
}

.ua-mission {
  margin: 0.85rem 0 0;
  max-width: 28rem;
  font-size: 1rem;
  line-height: 1.5;
  font-weight: 550;
  opacity: 0.9;
}

.ua-illust-wrap {
  margin-top: 1.75rem;
  width: min(100%, 22rem);
  padding: 0.85rem;
  border-radius: 1.25rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(14px);
  box-shadow: 0 20px 50px -30px rgba(0, 0, 0, 0.55);
}

.ua-illust { width: 100%; height: auto; display: block; }

/* Right panel */
.ua-panel {
  display: grid;
  place-items: center;
  padding: clamp(1.25rem, 3vw, 2.5rem);
  background:
    radial-gradient(80% 60% at 100% 0%, rgba(14, 165, 233, 0.08), transparent 55%),
    linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
}

html.dark .ua-panel {
  background:
    radial-gradient(80% 60% at 100% 0%, rgba(14, 165, 233, 0.12), transparent 55%),
    linear-gradient(180deg, #0b1220 0%, #020617 100%);
}

.ua-card {
  width: min(26.5rem, 100%);
  padding: 1.35rem 1.35rem 1.2rem;
  border-radius: calc(var(--ua-radius) + 0.15rem);
  background: var(--ua-card);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow: var(--ua-shadow);
  backdrop-filter: blur(16px);
  animation: uaScaleIn 0.45s ease both;
}

html.dark .ua-card {
  border-color: rgba(148, 163, 184, 0.14);
}

@keyframes uaScaleIn {
  from { opacity: 0; transform: scale(0.985) translateY(8px); }
  to { opacity: 1; transform: none; }
}

.ua-card-head { margin-bottom: 0.85rem; }
.ua-card-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.85rem;
}
.ua-card-brand strong {
  display: block;
  font-family: var(--ua-display);
  font-size: 0.95rem;
}
.ua-card-brand span {
  display: block;
  font-size: 0.7rem;
  color: var(--ua-muted);
  font-weight: 650;
}

.ua-toolbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.ua-card-head h2 {
  margin: 0;
  font-family: var(--ua-display);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.ua-sub {
  margin: 0.35rem 0 0;
  font-size: 0.82rem;
  color: var(--ua-muted);
  font-weight: 600;
}

.ua-mini select,
.ua-field input,
.ua-field select {
  width: 100%;
  border: 1px solid var(--ua-line);
  border-radius: 0.8rem;
  background: rgba(248, 250, 252, 0.85);
  color: var(--ua-ink);
  font: inherit;
  font-weight: 600;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

html.dark .ua-mini select,
html.dark .ua-field input,
html.dark .ua-field select {
  background: rgba(2, 6, 23, 0.55);
}

.ua-mini select {
  width: auto;
  padding: 0.4rem 0.55rem;
  font-size: 0.72rem;
}

.ua-icon-btn {
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 0.7rem;
  border: 1px solid var(--ua-line);
  background: rgba(15, 23, 42, 0.03);
  color: inherit;
  font-weight: 800;
  cursor: pointer;
}

.ua-field { margin-bottom: 0.8rem; }
.ua-field label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.72rem;
  font-weight: 750;
  color: var(--ua-muted);
}

.ua-field input,
.ua-field select {
  padding: 0.72rem 0.85rem;
  font-size: 0.9rem;
}

.ua-field input:focus,
.ua-field select:focus,
.ua-mini select:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--ua-portal) 55%, #38bdf8);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ua-portal) 18%, transparent);
  background: #fff;
}

html.dark .ua-field input:focus,
html.dark .ua-field select:focus {
  background: rgba(2, 6, 23, 0.85);
}

.ua-pass { position: relative; }
.ua-pass input { padding-right: 4.2rem; }
.ua-pass-toggle {
  position: absolute;
  right: 0.35rem;
  top: 50%;
  transform: translateY(-50%);
  border: 0;
  background: transparent;
  color: var(--ua-portal);
  font-size: 0.72rem;
  font-weight: 800;
  cursor: pointer;
  padding: 0.35rem 0.55rem;
}

.ua-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 0.15rem 0 1rem;
  font-size: 0.78rem;
  font-weight: 650;
}

.ua-check {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--ua-muted);
  cursor: pointer;
}

.ua-text-link {
  color: var(--ua-portal);
  text-decoration: none;
  font-weight: 750;
}
.ua-text-link:hover { text-decoration: underline; }

.ua-btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  width: 100%;
  min-height: 2.75rem;
  border-radius: 0.85rem;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 750;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.ua-btn--primary {
  background: linear-gradient(135deg, var(--ua-portal), color-mix(in srgb, var(--ua-portal) 55%, var(--ua-portal-2)));
  color: #fff;
  box-shadow: 0 14px 30px -18px color-mix(in srgb, var(--ua-portal) 80%, #000);
}
.ua-btn--primary:hover { transform: translateY(-1px); }

.ua-btn--ghost {
  margin-top: 0.45rem;
  background: transparent;
  border-color: var(--ua-line);
  color: var(--ua-ink);
}

.ua-btn.is-loading { pointer-events: none; opacity: 0.85; }
.ua-btn.is-loading .ua-spinner { display: inline-block; }
.ua-spinner {
  display: none;
  width: 0.95rem;
  height: 0.95rem;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: uaSpin 0.7s linear infinite;
}
@keyframes uaSpin { to { transform: rotate(360deg); } }

.ua-btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--x, 50%) var(--y, 50%), rgba(255, 255, 255, 0.35), transparent 40%);
  opacity: 0;
  transition: opacity 0.35s ease;
}
.ua-btn:active::after { opacity: 1; }

.ua-alert {
  display: none;
  margin-bottom: 0.75rem;
  padding: 0.65rem 0.75rem;
  border-radius: 0.75rem;
  font-size: 0.78rem;
  font-weight: 700;
}
.ua-alert.is-on { display: block; }
.ua-alert--error { background: #fef2f2; color: var(--ua-danger); }
.ua-alert--ok { background: #ecfdf5; color: var(--ua-ok); }
.ua-alert--warn { background: #fffbeb; color: var(--ua-warn); }

.ua-foot {
  margin: 0.95rem 0 0;
  text-align: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--ua-muted);
}
.ua-foot a { color: var(--ua-portal); text-decoration: none; }

.ua-demo-badge {
  margin: 0 0 0.85rem;
  padding: 0.55rem 0.7rem;
  border-radius: 0.7rem;
  border: 1px solid color-mix(in srgb, var(--ua-portal) 22%, var(--ua-line));
  background: color-mix(in srgb, var(--ua-portal) 8%, transparent);
  color: var(--ua-muted);
  font-size: 0.68rem;
  font-weight: 650;
  line-height: 1.4;
}

/* Demo account card (always visible in prototype) */
.ua-demo {
  margin: 0.15rem 0 0.85rem;
  padding: 0.85rem;
  border-radius: 0.9rem;
  border: 1px solid var(--ua-line);
  background: rgba(248, 250, 252, 0.75);
}
html.dark .ua-demo { background: rgba(2, 6, 23, 0.45); }

.ua-demo h3 {
  margin: 0 0 0.55rem;
  font-size: 0.78rem;
  font-family: var(--ua-display);
}
.ua-demo__row {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 0.35rem;
  font-size: 0.74rem;
  margin-bottom: 0.35rem;
}
.ua-demo__row dt { color: var(--ua-muted); font-weight: 700; }
.ua-demo__row dd { margin: 0; font-weight: 700; word-break: break-all; }
.ua-demo .ua-btn { margin-top: 0.45rem; }

/* High contrast + reduced motion */
html.ua-contrast {
  --ua-ink: #000;
  --ua-muted: #222;
  --ua-card: #fff;
  --ua-line: #000;
}
html.ua-contrast .ua-hero { filter: contrast(1.15); }

@media (prefers-reduced-motion: reduce) {
  .ua-hero__beam,
  .ua-card,
  .ua-spinner,
  .ua-btn,
  .ua-hero__inner {
    animation: none !important;
    transition: none !important;
  }
}

/* Portal hub */
.ua-center {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background:
    radial-gradient(70% 50% at 20% 10%, rgba(14, 165, 233, 0.12), transparent),
    linear-gradient(180deg, #f8fafc, #e2e8f0);
}
.ua-center__card {
  width: min(48rem, 100%);
  padding: 1.5rem;
  border-radius: 1.3rem;
  background: var(--ua-card);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: var(--ua-shadow);
}
.ua-center__card h1 {
  margin: 0.4rem 0 0;
  font-family: var(--ua-display);
  font-size: 1.5rem;
}
.ua-hub__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(13rem, 1fr));
  gap: 0.65rem;
  margin-top: 1.1rem;
}
.ua-hub__card {
  display: block;
  padding: 0.9rem;
  border-radius: 0.95rem;
  border: 1px solid var(--ua-line);
  background: rgba(248, 250, 252, 0.9);
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.ua-hub__card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--ua-portal) 40%, transparent);
}
.ua-hub__card span {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 999px;
  margin-right: 0.35rem;
}
.ua-hub__card strong { font-size: 0.86rem; }
.ua-hub__card em {
  display: block;
  margin-top: 0.25rem;
  font-style: normal;
  font-size: 0.7rem;
  font-weight: 650;
  color: var(--ua-muted);
}

.ua-icon-btn:focus-visible,
.ua-btn:focus-visible,
.ua-field input:focus-visible,
.ua-field select:focus-visible,
.ua-hub__card:focus-visible {
  outline: 2px solid #0ea5e9;
  outline-offset: 2px;
}