/**
 * Auth Pages — Login / Register
 * Split-screen layout
 */

/* ========================================
   BODY
   ======================================== */

.auth-body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background-color: var(--color-bg);
}

/* ========================================
   SPLIT LAYOUT
   ======================================== */

.auth-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}

/* ========================================
   BRAND SIDE — RIGHT
   ======================================== */

.auth-brand {
  background-color: var(--color-primary-dark);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* dot pattern */
.auth-brand__pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.18) 1.5px, transparent 1.5px);
  background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(135deg, black 0%, rgba(0,0,0,0.5) 50%, transparent 90%);
  mask-image: linear-gradient(135deg, black 0%, rgba(0,0,0,0.5) 50%, transparent 90%);
  pointer-events: none;
}

/* الشريط الأحمر على اليمين */
.auth-brand__stripe {
  position: absolute;
  top: 0;
  right: 0;
  width: 5px;
  height: 100%;
  background-color: var(--color-accent);
}

.auth-brand__content {
  position: relative;
  z-index: 1;
  padding: var(--space-12) var(--space-10);
  text-align: center;
}

.auth-brand__logo img {
  height: 64px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.9;
  margin-bottom: var(--space-8);
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.auth-brand__title {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text-inverse);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-4);
}

.auth-brand__desc {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.65);
  line-height: var(--leading-loose);
  margin-bottom: var(--space-10);
}

/* Stats row */
.auth-brand__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  margin-bottom: var(--space-10);
  padding: var(--space-5) var(--space-6);
  border: 1px solid rgba(255,255,255,0.12);
  background-color: rgba(255,255,255,0.05);
}

.auth-brand__stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}

.auth-brand__stat-num {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text-inverse);
  font-family: monospace;
  letter-spacing: 0.04em;
}

.auth-brand__stat-label {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.5);
  white-space: nowrap;
}

.auth-brand__stat-divider {
  width: 1px;
  height: 36px;
  background-color: rgba(255,255,255,0.15);
}

/* Back link */
.auth-brand__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color var(--transition);
}

.auth-brand__back:hover {
  color: rgba(255,255,255,0.9);
}

/* ========================================
   FORM SIDE — LEFT
   ======================================== */

.auth-form-side {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-6);
  background-color: var(--color-surface);
}

.auth-form-box {
  width: 100%;
  max-width: 400px;
}

.auth-form-box__header {
  margin-bottom: var(--space-8);
}

.auth-form-box__title {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.auth-form-box__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
}

/* Fields */
.auth-field {
  margin-bottom: var(--space-5);
}

.auth-field__label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.auth-field__label .icon {
  color: var(--color-primary);
}

.auth-field__input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-family: inherit;
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  box-sizing: border-box;
}

.auth-field__input:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: var(--color-surface);
  box-shadow: 0 0 0 3px rgba(4,82,128,0.1);
}

.auth-field__input::placeholder {
  color: var(--color-text-muted);
}

/* Submit button */
.auth-submit {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  margin-top: var(--space-6);
  font-size: var(--text-base);
  font-weight: 600;
  font-family: inherit;
  color: var(--color-text-inverse);
  background-color: var(--color-primary);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition);
}

.auth-submit:hover {
  background-color: var(--color-primary-dark);
}

/* Footer */
.auth-form-box__footer {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-6);
}

.auth-form-box__footer a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
}

.auth-form-box__footer a:hover {
  text-decoration: underline;
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
  .auth-split {
    grid-template-columns: 1fr;
  }

  .auth-brand {
    padding: var(--space-8) var(--space-4);
    min-height: auto;
  }

  .auth-brand__content {
    padding: var(--space-8) var(--space-4);
  }

  .auth-brand__title {
    font-size: var(--text-2xl);
  }

  .auth-brand__stats {
    gap: var(--space-4);
  }

  .auth-form-side {
    padding: var(--space-8) var(--space-4);
  }
}