:root {
  --ink: #1a1a1a;
  --ink-2: #242424;
  --steel: #8a8a8a;
  --mist: #c8c8c8;
  --bone: #e8e8e8;
  --silver: #c0c0c0;
  --accent: #c5a059;
  --accent-deep: #a8841a;
  --danger: #c45c4a;
  --ok: #3d8b6e;
  --line: rgba(197, 160, 89, 0.22);
  --panel: rgba(26, 26, 26, 0.82);
  --font-display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --font-body: "Manrope", "Helvetica Neue", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { min-height: 100%; }

.auth-body {
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--bone);
  background: var(--ink);
  -webkit-font-smoothing: antialiased;
}

.auth-stage {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: clamp(1.25rem, 4vw, 2.5rem);
  overflow: hidden;
}

.auth-stage__bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(26,26,26,0.94) 0%, rgba(26,26,26,0.82) 45%, rgba(26,26,26,0.62) 100%),
    url("https://images.unsplash.com/photo-1504307651254-35680f356dfd?auto=format&fit=crop&w=2400&q=80") center / cover no-repeat;
  transform: scale(1.04);
  animation: auth-ken 48s ease-in-out infinite alternate;
}
.auth-stage__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(197,160,89,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(197,160,89,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.5), transparent 75%);
  pointer-events: none;
}
@keyframes auth-ken {
  from { transform: scale(1.02) translate3d(0,0,0); }
  to { transform: scale(1.05) translate3d(-0.8%,-0.5%,0); }
}
.auth-stage__noise {
  position: absolute; inset: 0; opacity: 0.04; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.auth-frame {
  position: relative;
  z-index: 1;
  width: min(440px, 100%);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  animation: auth-rise 0.7s cubic-bezier(0.22,1,0.36,1) both;
}
@keyframes auth-rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

.auth-brand { text-align: center; }
.auth-brand__logo {
  width: min(360px, 100%);
  height: auto;
  display: block;
  margin: 0 auto 1rem;
  filter: drop-shadow(0 8px 24px rgba(0,0,0,0.45));
}
.auth-brand__lead {
  margin: 0 auto;
  max-width: 34ch;
  font-size: 0.98rem;
  line-height: 1.55;
  color: var(--mist);
}

.auth-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: clamp(1.35rem, 3vw, 1.75rem);
}
.auth-panel__title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  color: var(--silver);
}

.auth-alert {
  margin-bottom: 1rem;
  padding: 0.75rem 0.9rem;
  border-left: 3px solid var(--danger);
  background: rgba(196,92,74,0.12);
  color: #f0cfc9;
  font-size: 0.92rem;
}
.auth-alert--ok {
  border-left-color: var(--ok);
  background: rgba(61,139,110,0.12);
  color: #cfe8dd;
}

.auth-field { display: flex; flex-direction: column; gap: 0.45rem; margin-bottom: 1rem; }
.auth-field label {
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--mist);
}
.auth-field input {
  appearance: none; width: 100%;
  border: 1px solid rgba(200,200,200,0.18);
  background: rgba(36,36,36,0.95);
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 1rem; font-weight: 500;
  padding: 0.9rem 1rem; outline: none;
  transition: border-color 0.2s ease;
}
.auth-field input::placeholder { color: rgba(200,200,200,0.35); }
.auth-field input:focus { border-color: var(--accent); }

.auth-submit {
  margin-top: 0.35rem; width: 100%; border: 0; cursor: pointer;
  font-family: var(--font-display); font-size: 1.15rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  padding: 0.95rem 1.1rem;
  color: #1a1a1a;
  background: linear-gradient(180deg, #d4af37 0%, #c5a059 45%, #a8841a 100%);
  transition: filter 0.2s ease, transform 0.2s ease;
}
.auth-submit:hover { filter: brightness(1.06); }
.auth-submit:active { transform: translateY(1px); }
.auth-submit:focus-visible { outline: 2px solid var(--silver); outline-offset: 3px; }

.auth-foot {
  display: flex; flex-direction: column; gap: 0.25rem;
  text-align: center;
  font-size: 0.8rem; color: rgba(200,200,200,0.65);
}
.auth-foot strong { color: var(--silver); font-weight: 600; }

@media (prefers-reduced-motion: reduce) {
  .auth-stage__bg, .auth-frame { animation: none !important; }
}

/* —— Premium polish (keeps existing BEM) —— */
.auth-brand__logo {
  filter: drop-shadow(0 12px 28px rgba(0,0,0,0.45));
  transition: transform .35s ease;
}
.auth-brand:hover .auth-brand__logo { transform: translateY(-2px); }

.auth-panel {
  backdrop-filter: blur(8px) saturate(1.15);
  -webkit-backdrop-filter: blur(8px) saturate(1.15);
  border: 1px solid rgba(197,160,89,0.28);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.04) inset,
    0 24px 64px -28px rgba(0,0,0,0.7),
    0 0 0 1px rgba(0,0,0,0.25);
  position: relative;
}
.auth-panel::before {
  content: "";
  position: absolute;
  left: 0; top: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #d4af37, #c5a059, transparent);
  opacity: 0.9;
  pointer-events: none;
}

.auth-panel__title {
  letter-spacing: 0.12em;
}

.auth-field input {
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.auth-field input:focus {
  border-color: #c5a059;
  box-shadow: 0 0 0 3px rgba(197,160,89,0.22);
}

.auth-submit {
  background: linear-gradient(180deg, #dfc05a 0%, #c5a059 48%, #a8841a 100%) !important;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.35), 0 14px 28px -14px rgba(168,132,26,0.75) !important;
  letter-spacing: 0.16em !important;
  transition: filter .2s, transform .2s !important;
}
.auth-submit:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
}
.auth-submit:active { transform: translateY(0); filter: brightness(0.98); }

.auth-foot {
  opacity: 0.85;
  letter-spacing: 0.06em;
}

@media (prefers-reduced-motion: reduce) {
  .auth-stage__bg, .auth-frame, .auth-brand__logo, .auth-submit {
    animation: none !important;
    transition: none !important;
    transform: none !important;
  }
}


@media (prefers-reduced-motion: reduce) {
  .auth-stage__bg { animation: none !important; transform: none !important; }
  .auth-frame, .auth-card, .auth-brand__logo, .auth-submit {
    animation: none !important; transition: none !important; transform: none !important;
  }
}
@media (max-width: 768px) {
  .auth-stage__bg { animation: none !important; transform: scale(1.02) !important; }
  .auth-panel { backdrop-filter: none; -webkit-backdrop-filter: none; background: rgba(26,26,26,0.94); }
}