:root {
  --jb-bg-app: #FAFAF8;
  --jb-bg-shell: #EFEEE9;
  --jb-bg-card: #FFFFFF;
  --jb-bg-card-alt: #F5F2ED;
  --jb-bg-subtle: #F0EDE7;
  --jb-border: #E5E1D9;
  --jb-border-strong: #CFCAC0;
  --jb-color-text-primary: #1A1A1A;
  --jb-color-text-secondary: #5C5C5C;
  --jb-color-text-muted: #6E6E6E;
  --jb-accent: #E85D2A;
  --jb-accent-hover: #D14E1F;
  --jb-success: #2D7A4F;
  --jb-warn: #C97A1F;
  --jb-error: #B83A3A;
  --grain-opacity: 0.04;

  --jb-radius-sm: 6px;
  --jb-radius-lg: 18px;
  --jb-radius-pill: 999px;

  --jb-space-2: 8px;
  --jb-space-3: 12px;
  --jb-space-4: 16px;
  --jb-space-5: 24px;
  --jb-space-6: 32px;
  --jb-space-7: 48px;

  --jb-dur-reactif: 130ms;
  --jb-dur-affirmatif: 280ms;
  --jb-dur-doux: 300ms;
  --jb-ease-reactif: cubic-bezier(0.4, 0, 0.2, 1);
  --jb-ease-affirmatif: cubic-bezier(0.34, 1.56, 0.64, 1);
  --jb-ease-doux: cubic-bezier(0.16, 1, 0.3, 1);
}

html[data-theme="dark"] {
  --jb-bg-app: #0F0E0C;
  --jb-bg-shell: #080705;
  --jb-bg-card: #1A1816;
  --jb-bg-card-alt: #221F1C;
  --jb-bg-subtle: #161412;
  --jb-border: #2A2724;
  --jb-border-strong: #454039;
  --jb-color-text-primary: #F5F1EA;
  --jb-color-text-secondary: #B8B3AA;
  --jb-color-text-muted: #9E988F;
  --jb-accent: #FF7847;
  --jb-accent-hover: #E86230;
  --jb-success: #56AC7C;
  --jb-warn: #E89846;
  --jb-error: #E25555;
  --grain-opacity: 0.05;
}

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

html {
  min-height: 100%;
  background: var(--jb-bg-shell);
}

.jb-auth-body {
  min-height: 100dvh;
  margin: 0;
  background: var(--jb-bg-shell);
  color: var(--jb-color-text-primary);
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  position: relative;
  isolation: isolate;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.jb-auth-body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence baseFrequency='0.85' numOctaves='2' seed='5'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.6 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  opacity: var(--grain-opacity);
  mix-blend-mode: multiply;
}

html[data-theme="dark"] .jb-auth-body::before {
  mix-blend-mode: screen;
}

.jb-auth-shell {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(env(safe-area-inset-top), 24px) 16px max(env(safe-area-inset-bottom), 24px);
  position: relative;
  z-index: 2;
}

.jb-auth-card {
  width: 100%;
  max-width: 440px;
  padding: 32px 24px;
  background: var(--jb-bg-card);
  border: 1px solid var(--jb-border);
  border-radius: var(--jb-radius-lg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  position: relative;
  z-index: 2;
}

html[data-theme="dark"] .jb-auth-card {
  box-shadow: 0 0 0 1px var(--jb-border-strong);
}

.jb-auth-head {
  text-align: center;
  margin-bottom: 32px;
}

.jb-auth-title {
  position: relative;
  display: inline-block;
  font-family: 'Fraunces', Georgia, serif;
  font-style: italic;
  font-size: 44px;
  line-height: 1;
  letter-spacing: 0;
  font-weight: 450;
  font-variation-settings: 'opsz' 96;
  color: var(--jb-color-text-primary);
  margin: 0;
}

.jb-auth-logo {
  position: absolute;
  right: 100%;
  top: 50%;
  transform: translateY(-50%);
  margin-right: 6px;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: block;
  object-fit: contain;
}

.jb-auth-eyebrow {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-size: 11px;
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--jb-color-text-secondary);
  margin: 8px 0 0;
}

.jb-auth-intro {
  color: var(--jb-color-text-secondary);
  font-size: 14px;
  line-height: 1.55;
  margin: -12px 0 24px;
  text-align: center;
}

.jb-auth-flash {
  padding: 12px 16px;
  border: 1px solid transparent;
  border-radius: var(--jb-radius-sm);
  color: var(--jb-color-text-primary);
  font-size: 14px;
  line-height: 1.45;
  margin-bottom: 20px;
}

.jb-auth-flash--success {
  background: color-mix(in srgb, var(--jb-success) 10%, var(--jb-bg-card));
  border-color: color-mix(in srgb, var(--jb-success) 24%, var(--jb-bg-card));
}

.jb-auth-flash--info {
  background: color-mix(in srgb, var(--jb-accent) 8%, var(--jb-bg-card));
  border-color: color-mix(in srgb, var(--jb-accent) 20%, var(--jb-bg-card));
}

.jb-auth-flash--warn {
  background: color-mix(in srgb, var(--jb-warn) 10%, var(--jb-bg-card));
  border-color: color-mix(in srgb, var(--jb-warn) 24%, var(--jb-bg-card));
}

.jb-auth-flash--error {
  background: color-mix(in srgb, var(--jb-error) 10%, var(--jb-bg-card));
  border-color: color-mix(in srgb, var(--jb-error) 24%, var(--jb-bg-card));
  border-left: 3px solid var(--jb-error);
}

.jb-auth-form {
  margin: 0;
}

.jb-auth-field {
  margin-bottom: 16px;
}

.jb-auth-label {
  display: block;
  margin-bottom: 6px;
  color: var(--jb-color-text-primary);
  font-size: 14px;
  font-weight: 600;
}

.jb-auth-input {
  width: 100%;
  padding: 12px 14px;
  background: var(--jb-bg-card);
  border: 1px solid var(--jb-border);
  border-radius: 12px;
  color: var(--jb-color-text-primary);
  font: inherit;
  font-size: 16px;
  line-height: 1.35;
  transition: border-color var(--jb-dur-doux) var(--jb-ease-doux), box-shadow var(--jb-dur-doux) var(--jb-ease-doux);
}

.jb-auth-input::placeholder {
  color: var(--jb-color-text-muted);
  opacity: 1;
}

.jb-auth-input:focus-visible {
  outline: 2px solid var(--jb-accent);
  outline-offset: 2px;
  border-color: var(--jb-accent);
}

.jb-auth-input[aria-invalid="true"] {
  border-color: var(--jb-error);
}

.jb-auth-btn {
  border-radius: var(--jb-radius-lg);
  font-family: inherit;
  text-align: center;
}

.jb-auth-btn--primary {
  width: 100%;
  padding: 14px 20px;
  background: var(--jb-accent);
  border: 0;
  color: #FFFFFF;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.25;
  transition: background-color var(--jb-dur-reactif) var(--jb-ease-reactif),
              box-shadow var(--jb-dur-reactif) var(--jb-ease-reactif),
              transform var(--jb-dur-affirmatif) var(--jb-ease-affirmatif);
}

html[data-theme="dark"] .jb-auth-btn--primary {
  color: #0F0E0C;
}

@media (hover: hover) and (pointer: fine) {
  .jb-auth-btn--primary:hover {
    background: var(--jb-accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(232, 93, 42, 0.18);
  }
}

.jb-auth-btn--primary:active {
  transform: translateY(0) scale(0.98);
  transition-duration: var(--jb-dur-reactif);
}

.jb-auth-btn--primary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--jb-bg-app), 0 0 0 5px var(--jb-accent);
}

.jb-auth-btn--secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: auto;
  padding: 12px 20px;
  background: transparent;
  border: 1.5px solid var(--jb-accent);
  color: var(--jb-accent);
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.25;
  text-decoration: none;
  transition: transform var(--jb-dur-affirmatif) var(--jb-ease-doux),
              background-color var(--jb-dur-reactif) var(--jb-ease-reactif),
              color var(--jb-dur-reactif) var(--jb-ease-reactif);
}

.jb-auth-btn--magnetic .jb-auth-btn-arrow {
  display: inline-block;
  transition: transform var(--jb-dur-affirmatif) var(--jb-ease-doux);
}

@media (hover: hover) and (pointer: fine) {
  .jb-auth-btn--secondary:hover {
    background: var(--jb-bg-card-alt);
    transform: scale(1.02);
  }

  .jb-auth-btn--magnetic:hover .jb-auth-btn-arrow {
    transform: translateX(2px) translateY(-1px) scale(1.05);
  }
}

.jb-auth-btn--secondary:active {
  transform: scale(0.98);
  transition-duration: var(--jb-dur-reactif);
}

.jb-auth-btn--secondary:focus-visible {
  outline: 2px solid var(--jb-accent);
  outline-offset: 2px;
}

.jb-auth-link {
  display: inline-block;
  margin-top: 16px;
  padding: 4px 0;
  color: var(--jb-color-text-secondary);
  font-size: 14px;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--jb-dur-reactif) var(--jb-ease-reactif);
}

.jb-auth-link-row {
  text-align: center;
}

@media (hover: hover) and (pointer: fine) {
  .jb-auth-link:hover {
    color: var(--jb-accent);
  }
}

.jb-auth-link:focus-visible {
  outline: 2px solid var(--jb-accent);
  outline-offset: 2px;
}

.jb-auth-divider {
  height: 1px;
  margin: 32px 0 24px;
  background: var(--jb-border);
}

.jb-auth-cta-landing {
  text-align: center;
  margin-top: 24px;
}

.jb-auth-cta-text {
  color: var(--jb-color-text-secondary);
  font-size: 14px;
  margin: 0 0 12px;
}

.jb-auth-submit-spacer {
  margin-top: 8px;
}

@media (max-width: 519px) {
  .jb-auth-shell {
    align-items: center;
    padding-left: 16px;
    padding-right: 16px;
  }

  .jb-auth-card {
    max-width: 100%;
    padding: 24px 20px;
  }

  .jb-auth-title {
    font-size: 36px;
  }

  .jb-auth-logo {
    width: 28px;
    height: 28px;
    margin-right: 5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --jb-dur-reactif: 0.01ms;
    --jb-dur-affirmatif: 0.01ms;
    --jb-dur-doux: 0.01ms;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .jb-auth-btn--secondary:hover,
  .jb-auth-btn--primary:hover,
  .jb-auth-btn--magnetic:hover .jb-auth-btn-arrow {
    transform: none !important;
  }
}