/* ============================================
   BLACK BOX MKT — CLIENT PORTAL
   Auth / Login Page
   ============================================ */

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: stretch;
}

/* Left panel — branding */
.auth-left {
  width: 50%;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 48px;
  border-right: 1px solid var(--border);
  overflow: hidden;
}

.auth-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.5;
  pointer-events: none;
}

.auth-glow {
  position: absolute;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.04) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.auth-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
  z-index: 1;
}

.auth-logo-wordmark {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.auth-tagline {
  position: relative;
  z-index: 1;
}

.auth-tagline-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-dim);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.auth-tagline h1 {
  font-family: var(--display);
  font-size: clamp(40px, 5vw, 64px);
  letter-spacing: 0.04em;
  line-height: 1.05;
  margin-bottom: 16px;
}

.auth-tagline p {
  font-size: 14px;
  color: var(--accent-dim);
  line-height: 1.75;
  max-width: 320px;
}

.auth-footer-brand {
  position: relative;
  z-index: 1;
}

.auth-footer-mono {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.2);
}

/* Scanline effect */
.auth-scanline {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(255,255,255,0.008) 3px,
    rgba(255,255,255,0.008) 4px
  );
  pointer-events: none;
  z-index: 0;
}

/* Right panel — form */
.auth-right {
  width: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
}

.auth-form-wrap {
  width: 100%;
  max-width: 380px;
}

.auth-form-header {
  margin-bottom: 40px;
}

.auth-form-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-dim);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.auth-form-title {
  font-family: var(--display);
  font-size: 40px;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.auth-form-sub {
  font-size: 14px;
  color: var(--accent-dim);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.auth-form .btn-primary {
  width: 100%;
  justify-content: center;
  padding: 16px 24px;
  font-size: 12px;
}

.auth-form-footer {
  margin-top: 20px;
  text-align: center;
}

.auth-form-footer p {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
}

.auth-forgot-link {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.2s;
  padding: 4px 0;
}

.auth-forgot-link:hover { color: var(--white); }

.auth-error {
  display: none;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 12px 16px;
  font-family: var(--mono);
  font-size: 11px;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.06em;
}

.auth-error.show { display: block; }

/* Password toggle */
.input-password-wrap {
  position: relative;
}

.input-password-wrap input { padding-right: 44px; }

.btn-password-toggle {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent-dim);
  transition: color 0.2s;
  padding: 4px;
}
.btn-password-toggle:hover { color: var(--white); }

/* Loading state on button */
.btn-primary.loading {
  pointer-events: none;
  opacity: 0.7;
}

.btn-primary.loading .btn-text { opacity: 0; }
.btn-primary.loading .btn-spinner {
  position: absolute;
  width: 16px; height: 16px;
  border: 2px solid rgba(0,0,0,0.2);
  border-top-color: var(--black);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 900px) {
  .auth-page { flex-direction: column; }
  .auth-left  { width: 100%; padding: 36px 28px; min-height: 240px; }
  .auth-right { width: 100%; padding: 36px 28px; }
  .auth-tagline h1 { font-size: 40px; }
  .auth-tagline p { display: none; }
}

@media (max-width: 480px) {
  .auth-left  { padding: 28px 20px; min-height: 200px; }
  .auth-right { padding: 28px 20px; }
  .auth-form-title { font-size: 32px; }
}