:root {
  --bitumen-night: #0d151c;
  --bitumen-panel: #13202b;
  --bitumen-rule: #213445;
  --forecourt-concrete: #eef1f4;
  --receipt-paper: #ffffff;
  --border-structural: #d3dbe3;
  --border-strong: #94a3b8;
  --signal-amber: #f59e0b;
  --signal-amber-deep: #d97706;
  --signal-amber-tint: #fffbeb;
  --pump-navy: #142434;
  --pump-navy-hover: #1e354d;
  --ink-primary: #0f172a;
  --ink-secondary: #475569;
  --ink-muted: #64748b;
  --valve-red: #b91c1c;
  --valve-red-surface: #fef2f2;
  --valve-red-border: #fecaca;
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  font-family: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: var(--forecourt-concrete);
  color: var(--ink-primary);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ── Two-Column Forecourt Totem + Auth Stage Layout ── */
.auth-layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(340px, 440px) 1fr;
}

/* ── Left Column: SZT Forecourt Totem ── */
.totem-panel {
  background-color: var(--bitumen-night);
  color: #f8fafc;
  padding: 36px 36px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 4px solid var(--signal-amber);
  position: relative;
}

.totem-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  flex-shrink: 0;
}

.brand-szt {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
  color: #ffffff;
}

.brand-szt span {
  color: var(--signal-amber);
}

.brand-sub {
  font-size: 12px;
  font-weight: 500;
  color: #94a3b8;
  margin-top: 4px;
}

.env-pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 6px;
  background-color: rgba(34, 197, 94, 0.14);
  border: 1px solid rgba(34, 197, 94, 0.35);
  color: #4ade80;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.totem-hero {
  margin: 44px 0 32px;
}

.totem-headline {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: clamp(24px, 2.3vw, 31px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #ffffff;
  max-width: 24ch;
}

.totem-lead {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.6;
  color: #94a3b8;
  max-width: 44ch;
}

.totem-specs {
  border-top: 1px solid var(--bitumen-rule);
  margin-top: auto;
  padding-top: 20px;
  display: grid;
  gap: 16px;
}

.spec-row {
  padding-left: 12px;
  border-left: 2px solid var(--bitumen-rule);
}

.spec-row dt {
  font-size: 13px;
  font-weight: 600;
  color: #e2e8f0;
}

.spec-row dd {
  font-size: 12.5px;
  color: #94a3b8;
  margin-top: 2px;
  line-height: 1.45;
  max-width: 48ch;
}

.totem-footer {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--bitumen-rule);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: #94a3b8;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #22c55e;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2);
}

/* ── Right Column: Authentication Stage ── */
.auth-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 28px;
}

.auth-panel {
  width: 100%;
  max-width: 560px;
  background-color: var(--receipt-paper);
  border: 1px solid var(--border-structural);
  border-radius: 12px;
  padding: 36px 36px 32px;
  box-shadow: 0 1px 3px rgba(13, 21, 28, 0.05);
}

.auth-header {
  margin-bottom: 24px;
}

.auth-title {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--ink-primary);
}

.auth-subtitle {
  margin-top: 4px;
  font-size: 14px;
  color: var(--ink-secondary);
  max-width: 55ch;
}

/* ── Error Alert ── */
.auth-alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  margin-bottom: 22px;
  border-radius: 8px;
  background-color: var(--valve-red-surface);
  border: 1px solid var(--valve-red-border);
  border-left: 4px solid var(--valve-red);
  color: var(--valve-red);
  font-size: 13.5px;
  font-weight: 600;
}

.alert-icon {
  flex-shrink: 0;
  margin-top: 1px;
}

/* ── Form & Tactile Console Role Selector ── */
.auth-form {
  display: grid;
  gap: 20px;
}

.role-fieldset {
  border: none;
  min-width: 0;
}

.field-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-primary);
  margin-bottom: 8px;
}

.role-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.role-tile {
  position: relative;
  display: flex;
  cursor: pointer;
  user-select: none;
}

.role-tile-wide {
  grid-column: 1 / -1;
}

.role-tile input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}

.role-tile-body {
  width: 100%;
  padding: 12px 14px 12px 36px;
  border-radius: 8px;
  border: 1.5px solid var(--border-structural);
  background-color: #f8fafc;
  display: flex;
  flex-direction: column;
  gap: 2px;
  position: relative;
  transition: border-color 0.14s ease, background-color 0.14s ease;
}

/* Custom radio indicator */
.role-tile-body::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 15px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1.5px solid var(--border-strong);
  background-color: var(--receipt-paper);
  transition: border-color 0.14s ease, background-color 0.14s ease, box-shadow 0.14s ease;
}

.role-tile:hover .role-tile-body {
  border-color: var(--border-strong);
  background-color: var(--receipt-paper);
}

.role-tile input[type="radio"]:checked + .role-tile-body {
  border-color: var(--signal-amber-deep);
  background-color: var(--signal-amber-tint);
  box-shadow: inset 3px 0 0 var(--signal-amber);
}

.role-tile input[type="radio"]:checked + .role-tile-body::before {
  border-color: var(--signal-amber-deep);
  background-color: var(--signal-amber);
  box-shadow: inset 0 0 0 3px var(--receipt-paper);
}

.role-tile input[type="radio"]:focus-visible + .role-tile-body {
  outline: 2px solid var(--pump-navy);
  outline-offset: 2px;
}

.role-name {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink-primary);
  line-height: 1.25;
}

.role-desc {
  font-size: 12px;
  color: var(--ink-secondary);
  line-height: 1.35;
}

/* ── Text Inputs ── */
.field-group {
  display: flex;
  flex-direction: column;
}

.field-label-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 8px;
}

.field-label-row .field-label {
  margin-bottom: 0;
}

.pwd-toggle {
  background: none;
  border: none;
  padding: 2px 4px;
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-secondary);
  cursor: pointer;
  border-radius: 4px;
}

.pwd-toggle:hover {
  color: var(--ink-primary);
  text-decoration: underline;
}

.pwd-toggle:focus-visible {
  outline: 2px solid var(--pump-navy);
  outline-offset: 2px;
}

.field-input {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink-primary);
  background-color: var(--receipt-paper);
  border: 1.5px solid var(--border-structural);
  border-radius: 8px;
  transition: border-color 0.14s ease, box-shadow 0.14s ease;
}

.field-input::placeholder {
  color: #94a3b8;
}

.field-input:hover {
  border-color: var(--border-strong);
}

.field-input:focus {
  outline: none;
  border-color: var(--pump-navy);
  box-shadow: 0 0 0 3px rgba(20, 36, 52, 0.12);
}

/* ── Primary CTA Button ── */
.submit-btn {
  margin-top: 4px;
  width: 100%;
  height: 46px;
  padding: 0 20px;
  border: none;
  border-radius: 8px;
  background-color: var(--pump-navy);
  color: #ffffff;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: background-color 0.14s ease, transform 0.08s ease;
}

.submit-btn:hover {
  background-color: var(--pump-navy-hover);
}

.submit-btn:active {
  transform: translateY(1px);
}

.submit-btn:focus-visible {
  outline: 2px solid var(--signal-amber-deep);
  outline-offset: 2px;
}

/* ── Responsive & Reduced Motion ── */
@media (max-width: 920px) {
  .auth-layout {
    grid-template-columns: 1fr;
  }

  .totem-panel {
    border-right: none;
    border-bottom: 4px solid var(--signal-amber);
    padding: 24px 20px;
  }

  .totem-hero {
    margin: 20px 0 0;
  }

  .totem-headline {
    font-size: 22px;
    max-width: 36ch;
  }

  .totem-specs,
  .totem-footer {
    display: none;
  }

  .auth-stage {
    padding: 24px 16px 40px;
  }

  .auth-panel {
    padding: 24px 20px;
  }
}

@media (max-width: 520px) {
  .role-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}