/* ── AUTH PAGE LAYOUT ──────────────────────────────────────────────────── */
.auth-page {
  min-height: calc(100dvh - var(--header-height));
  margin-top: var(--header-height);
  display: flex;
  align-items: stretch;
}

/* Left brand panel */
.auth-brand {
  flex: 0 0 42%;
  display: none;
  position: relative;
  overflow: hidden;
  background: var(--color-surface-lowest);
}
.auth-brand-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  filter: saturate(0.7);
}
.auth-brand-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, transparent 40%, var(--color-bg));
}
.auth-brand-content {
  position: absolute;
  bottom: 64px;
  left: 48px;
  right: 48px;
}
.auth-brand-label {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 14px;
}
.auth-brand-title {
  font-family: var(--font-headline);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--color-text);
}
.auth-brand-sub {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-top: 12px;
  line-height: 1.6;
}

/* Right form panel */
.auth-form-panel {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  background: var(--color-bg);
}
.auth-form-wrap {
  width: 100%;
  max-width: 420px;
}

/* Tabs */
.auth-tabs {
  display: flex;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--color-outline);
  gap: 0;
}
.auth-tab {
  flex: 1;
  padding: 14px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--color-text-dim);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.auth-tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}
.auth-tab:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

/* Title */
.auth-title {
  font-family: var(--font-headline);
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 6px;
}
.auth-subtitle {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 28px;
  line-height: 1.6;
}

/* Form */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-label {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-muted);
}
.input-wrap {
  position: relative;
}
.input {
  width: 100%;
  padding: 14px 16px;
  background: var(--color-surface);
  border: 1.5px solid var(--color-outline);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  box-sizing: border-box;
  min-height: 50px;
}
.input:focus {
  border-color: var(--color-primary);
}
.input:focus-visible {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(34,197,94,0.15);
  outline: none;
}
.input::placeholder {
  color: var(--color-text-dim);
}
.input.error {
  border-color: var(--color-error);
}
.toggle-password {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-dim);
  display: flex;
  align-items: center;
  padding: 4px;
  transition: color var(--transition-fast);
}
.toggle-password:hover { color: var(--color-text); }
.toggle-password:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

.field-error {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--color-error);
  display: none;
}
.field-error.visible { display: block; }

/* Contractor toggle */
.contractor-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--color-surface);
  border: 1.5px solid var(--color-outline);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--transition-fast);
}
.contractor-row:hover { border-color: var(--color-primary); }
.contractor-row input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--color-primary);
  cursor: pointer;
  flex-shrink: 0;
}
.contractor-label {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
}
.contractor-desc {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-text-dim);
}

/* Submit button */
.btn-auth {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--color-primary), #16a34a);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 52px;
  box-shadow: 0 2px 8px rgba(34,197,94,0.3);
}
.btn-auth:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(34,197,94,0.4);
}
.btn-auth:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.btn-auth:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Divider */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 8px 0;
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-outline);
}
.auth-divider-text {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-dim);
}

/* Google OAuth button */
.btn-google {
  width: 100%;
  padding: 14px;
  background: #fff;
  color: #1f1f1f;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  border: 1.5px solid var(--color-outline);
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 50px;
}
.btn-google:hover {
  background: #f5f5f5;
  box-shadow: var(--shadow-md);
}

/* Auth footer */
.auth-footer-note {
  text-align: center;
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-text-dim);
  margin-top: 24px;
  line-height: 1.6;
}
.auth-footer-note a {
  color: var(--color-primary);
  text-decoration: none;
}
.auth-footer-note a:hover { text-decoration: underline; }

/* Demo mode banner */
.demo-banner {
  background: var(--color-surface);
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 24px;
}
.demo-banner strong {
  color: var(--color-accent);
  font-weight: 700;
}

/* Responsive */
@media (min-width: 900px) {
  .auth-brand { display: flex; flex-direction: column; }
}