:root {
  --auth-font-family: 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --auth-background: #f7f7f9;
  --auth-surface: #ffffff;
  --auth-surface-alt: #f0fdf4;
  --auth-text: #0f172a;
  --auth-muted: #6b7280;
  --auth-border: #e5e7eb;
  --auth-radius-lg: 28px;
  --auth-radius-md: 18px;
  --auth-radius-sm: 12px;
  --auth-shadow:
    0 20px 45px rgba(15, 23, 42, 0.08),
    0 2px 6px rgba(15, 23, 42, 0.05);
  --auth-primary: #047857;
  --auth-primary-dark: #065f46;
  --auth-primary-light: #bbf7d0;
  --auth-neutral-50: #f9fafb;
  --auth-neutral-100: #f3f4f6;
  --auth-neutral-200: #e5e7eb;
  --auth-neutral-900: #111827;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--auth-font-family);
  background: var(--auth-background);
  color: var(--auth-text);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a {
  color: var(--auth-primary);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

.auth-header {
  background: var(--auth-surface);
  padding: clamp(1rem, 2.5vw, 1.5rem) clamp(1.25rem, 3vw, 2.5rem);
  border-bottom: 1px solid var(--auth-neutral-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.auth-logo {
  font-weight: 700;
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  color: var(--auth-primary);
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.auth-logo::before {
  content: '🥬';
  font-size: 1.2em;
  line-height: 1;
}

.auth-header__nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.auth-header__link {
  font-weight: 600;
  color: var(--auth-neutral-900);
}

.auth-layout {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  min-height: 0;
  background: linear-gradient(135deg, var(--auth-neutral-50), var(--auth-neutral-100));
}

.auth-panel {
  display: flex;
  flex-direction: column;
  padding: clamp(2rem, 6vw, 4rem);
}

.auth-panel--form {
  background: var(--auth-surface);
  justify-content: center;
}

.auth-panel__inner {
  width: min(420px, 100%);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.auth-title {
  font-size: clamp(2rem, 4vw, 2.5rem);
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.025em;
}

.auth-subtitle {
  margin: 0;
  color: var(--auth-muted);
  font-size: 0.98rem;
}

.auth-link-inline {
  font-weight: 600;
}

.auth-google-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--auth-surface);
  border: 1px solid var(--auth-neutral-200);
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--auth-neutral-900);
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.auth-google-btn:hover,
.auth-google-btn:focus {
  border-color: var(--auth-neutral-900);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
  transform: translateY(-1px);
}

.auth-google-btn:disabled {
  cursor: not-allowed;
  opacity: 0.6;
  transform: none;
  box-shadow: none;
}

.auth-google-btn__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  font-weight: 700;
  background: #fff;
  color: #ea4335;
  font-size: 1.05rem;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.12);
}

.auth-divider {
  position: relative;
  text-align: center;
  color: var(--auth-muted);
  font-size: 0.85rem;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 43%;
  height: 1px;
  background: var(--auth-neutral-200);
}

.auth-divider::before {
  left: 0;
}

.auth-divider::after {
  right: 0;
}

.auth-divider span {
  background: var(--auth-surface);
  padding: 0 0.75rem;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.auth-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--auth-neutral-900);
}

.auth-input {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 14px;
  border: 1px solid var(--auth-neutral-200);
  background: var(--auth-neutral-50);
  font-size: 1rem;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.auth-input:focus {
  border-color: var(--auth-primary);
  box-shadow: 0 0 0 4px rgba(4, 120, 87, 0.12);
  outline: none;
}

.auth-input::placeholder {
  color: rgba(107, 114, 128, 0.7);
}

.auth-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
}

.auth-actions a {
  color: var(--auth-muted);
  font-weight: 500;
}

.auth-submit {
  width: 100%;
  padding: 0.95rem 1rem;
  border: none;
  border-radius: 14px;
  background: var(--auth-neutral-900);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.auth-submit:hover,
.auth-submit:focus {
  transform: translateY(-1px);
  box-shadow: 0 18px 35px rgba(17, 24, 39, 0.12);
}

.auth-submit:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.auth-submit[data-loading='true']::after {
  content: '';
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.55);
  border-top-color: #fff;
  margin-left: 0.75rem;
  animation: auth-spin 0.65s linear infinite;
  vertical-align: middle;
}

@keyframes auth-spin {
  to {
    transform: rotate(360deg);
  }
}

.auth-message {
  margin-top: -0.5rem;
  padding: 0.85rem 1rem;
  border-radius: 14px;
  border: 1px solid transparent;
  font-size: 0.92rem;
  line-height: 1.5;
}

.auth-message[data-state='error'] {
  background: #fef2f2;
  border-color: #fecaca;
  color: #991b1b;
}

.auth-message[data-state='success'] {
  background: #ecfdf5;
  border-color: #bbf7d0;
  color: #047857;
}

.auth-message[data-state='info'] {
  background: #eff6ff;
  border-color: #bfdbfe;
  color: #1d4ed8;
}

.auth-success {
  padding: 1.75rem;
  border-radius: var(--auth-radius-md);
  border: 1px solid rgba(4, 120, 87, 0.25);
  background: var(--auth-surface-alt);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: 0 18px 32px rgba(4, 120, 87, 0.12);
}

.auth-success__icon {
  font-size: 2rem;
}

.auth-success__title {
  margin: 0;
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
  font-weight: 700;
}

.auth-success__body {
  margin: 0;
  color: var(--auth-muted);
  line-height: 1.6;
}

.auth-success__email {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--auth-primary-dark);
}

.auth-success__cta {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 999px;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  color: #ffffff;
  background: var(--auth-primary);
  transition: background 200ms ease, transform 200ms ease;
}

.auth-success__cta:hover,
.auth-success__cta:focus {
  background: var(--auth-primary-dark);
  transform: translateY(-1px);
  text-decoration: none;
}

.auth-panel--promo {
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at top left, rgba(52, 211, 153, 0.2), transparent 60%),
    radial-gradient(circle at bottom right, rgba(59, 130, 246, 0.18), transparent 55%),
    var(--auth-surface);
  border-left: 1px solid rgba(15, 23, 42, 0.08);
}

.auth-panel__promo-inner {
  margin: auto;
  width: min(420px, 100%);
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  text-align: left;
}

.auth-promo-title {
  font-size: clamp(1.85rem, 3.6vw, 2.4rem);
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.auth-promo-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  color: var(--auth-muted);
  font-size: 0.98rem;
}

.auth-promo-list li::before {
  content: '•';
  color: var(--auth-primary);
  margin-right: 0.75rem;
  font-size: 1.2rem;
}

.signup-layout {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(320px, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  padding: clamp(1.5rem, 5vw, 3.5rem);
}

.signup-hero {
  background: linear-gradient(145deg, rgba(16, 185, 129, 0.12), rgba(96, 165, 250, 0.12));
  border-radius: var(--auth-radius-lg);
  padding: clamp(1.75rem, 4vw, 3rem);
  display: flex;
  flex-direction: column;
  gap: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid rgba(15, 118, 110, 0.15);
  box-shadow: var(--auth-shadow);
}

.signup-hero h1 {
  margin: 0;
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.1;
}

.signup-hero p {
  margin: 0;
  color: rgba(15, 23, 42, 0.75);
  font-size: 1rem;
  line-height: 1.6;
}

.signup-hero__pill {
  align-self: flex-start;
  background: rgba(15, 118, 110, 0.12);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--auth-primary-dark);
}

.signup-hero__card {
  background: #fff;
  border-radius: var(--auth-radius-md);
  padding: clamp(1.25rem, 3vw, 2rem);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.25);
  margin-top: -0.5rem;
}

.signup-hero__card h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(15, 23, 42, 0.6);
}

.signup-hero__card p {
  margin-top: 0.75rem;
  font-size: 0.95rem;
  color: rgba(15, 23, 42, 0.7);
}

.signup-card {
  background: var(--auth-surface);
  border-radius: var(--auth-radius-lg);
  padding: clamp(1.5rem, 4vw, 3rem);
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  box-shadow: var(--auth-shadow);
}

.signup-card__header h2 {
  margin: 0;
  font-size: clamp(1.65rem, 3vw, 2.2rem);
  font-weight: 700;
}

.signup-card__header p {
  margin: 0.35rem 0 0;
  color: var(--auth-muted);
  font-size: 0.95rem;
}

.signup-card .auth-google-btn {
  border-radius: 16px;
  padding: 1rem 1.25rem;
}

.signup-card .auth-divider::before,
.signup-card .auth-divider::after {
  width: 38%;
}

.signup-card .auth-form {
  gap: 1.1rem;
}

.signup-card .auth-input {
  background: var(--auth-neutral-50);
}

.signup-footer {
  font-size: 0.85rem;
  color: var(--auth-muted);
  line-height: 1.6;
}

.signup-footer a {
  font-weight: 600;
}

@media (max-width: 1120px) {
  .auth-layout {
    grid-template-columns: 1fr;
  }

  .auth-panel--promo {
    display: none;
  }
}

@media (max-width: 980px) {
  .signup-layout {
    grid-template-columns: 1fr;
  }

  .signup-hero {
    order: 2;
  }
}

@media (max-width: 640px) {
  .auth-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .auth-panel {
    padding: clamp(1.5rem, 6vw, 2rem);
  }

  .auth-panel__inner {
    width: 100%;
  }

  .auth-divider::before,
  .auth-divider::after {
    width: 30%;
  }

  .auth-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .auth-success {
    padding: 1.5rem;
  }

  .signup-card {
    padding: clamp(1.25rem, 6vw, 2rem);
  }

  .signup-hero {
    border-radius: var(--auth-radius-md);
  }

  .signup-hero__card {
    margin-top: 0;
  }
}