/* ============================================
   REISTAT AUTH PAGES (Login / Signup)
   Depends on theme.css for all CSS variables
   ============================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }

body.auth-body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

/* ---- SPLIT LAYOUT ---- */
.auth-split {
  display: flex;
  min-height: 100vh;
}

/* ---- BRAND PANEL (LEFT) ---- */
.auth-panel-brand {
  flex: 0 0 420px;
  background: linear-gradient(160deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, var(--color-primary-light) 100%);
  display: flex;
  flex-direction: column;
  padding: var(--space-10) var(--space-10);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
}

.logo {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  text-decoration: none;
  color: var(--color-text-inverse);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-16);
  flex-shrink: 0;
}
.logo span { color: var(--color-accent); }

.auth-brand-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.auth-brand-content h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: var(--font-bold);
  color: var(--color-text-inverse);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.auth-brand-content p {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  margin-bottom: var(--space-10);
}

.auth-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.auth-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.8);
}

.auth-feature-icon {
  width: 32px;
  height: 32px;
  background: rgba(0,200,150,0.15);
  border: 1px solid rgba(0,200,150,0.3);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-base);
  flex-shrink: 0;
  color: var(--color-accent);
  font-style: normal;
}

.auth-panel-footer {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  flex-shrink: 0;
}
.auth-panel-footer a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: var(--font-medium);
}
.auth-panel-footer a:hover { text-decoration: underline; }

/* ---- FORM PANEL (RIGHT) ---- */
.auth-panel-form {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-10) var(--space-6);
  overflow-y: auto;
}

.auth-form-wrap {
  width: 100%;
  max-width: 440px;
}

.auth-form-header {
  margin-bottom: var(--space-8);
}
.auth-form-header h1 {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-primary-dark);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}
.auth-form-header p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ---- ERROR BANNER ---- */
.auth-error {
  background: #fef2f2;
  border: 1px solid var(--color-danger);
  color: var(--color-danger);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  margin-bottom: var(--space-4);
}
.auth-error a { color: var(--color-danger); text-decoration: underline; }

/* ---- SUCCESS BANNER ---- */
.auth-success {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  background: #ecfdf5;
  border: 1px solid #6ee7b7;
  color: #065f46;
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-size: var(--text-sm);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

/* ---- FORGOT PASSWORD LINK ---- */
.auth-forgot {
  text-align: right;
  margin-top: calc(var(--space-2) * -1);
  margin-bottom: var(--space-4);
}
.auth-forgot a {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.auth-forgot a:hover { color: var(--color-primary); }

/* ---- FORM ELEMENTS ---- */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.label-link {
  font-size: var(--text-xs);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: var(--font-normal);
}
.label-link:hover { text-decoration: underline; }

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  appearance: none;
}
.form-group input::placeholder { color: var(--color-text-muted); opacity: 0.7; }
.form-group input:focus,
.form-group select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30,58,95,0.1);
}
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.input-wrap {
  position: relative;
}
.input-wrap input {
  padding-right: 3rem;
}
.input-toggle {
  position: absolute;
  right: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  padding: 0;
  transition: color var(--transition-fast);
}
.input-toggle:hover { color: var(--color-text); }

/* ---- PASSWORD STRENGTH ---- */
.password-strength {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-2);
}
.strength-track {
  flex: 1;
  height: 4px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.strength-fill {
  height: 100%;
  width: 0%;
  border-radius: var(--radius-full);
  transition: width 0.3s ease, background 0.3s ease;
}
.strength-label {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  min-width: 40px;
}

/* ---- CHECKBOX ---- */
.form-check { margin-top: var(--space-1); }
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  user-select: none;
}
.checkbox-label input[type="checkbox"] { display: none; }
.checkmark {
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  flex-shrink: 0;
  margin-top: 1px;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}
.checkbox-label input:checked + .checkmark {
  background: var(--color-primary);
  border-color: var(--color-primary);
}
.checkbox-label input:checked + .checkmark::after {
  content: '';
  display: block;
  width: 5px;
  height: 9px;
  border: 2px solid white;
  border-top: none;
  border-left: none;
  transform: rotate(45deg) translate(-1px, -1px);
}
.checkbox-label a { color: var(--color-primary); text-decoration: none; }
.checkbox-label a:hover { text-decoration: underline; }

/* ---- SUBMIT BUTTON ---- */
.btn-submit {
  width: 100%;
  padding: 0.875rem;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  margin-top: var(--space-2);
}
.btn-submit:hover {
  background: var(--color-primary-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-submit:active { transform: translateY(0); }

/* ---- DIVIDER ---- */
.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-6) 0;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

/* ---- SECONDARY ACTION ---- */
.btn-secondary-auth {
  display: block;
  width: 100%;
  padding: 0.875rem;
  text-align: center;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text);
  text-decoration: none;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}
.btn-secondary-auth:hover { border-color: var(--color-primary); background: var(--color-surface-alt); }

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .auth-split { flex-direction: column; }

  .auth-panel-brand {
    flex: none;
    height: auto;
    position: static;
    padding: var(--space-8) var(--space-6);
  }

  .auth-brand-content h2 { font-size: var(--text-2xl); }
  .logo { margin-bottom: var(--space-8); }
  .auth-brand-content { justify-content: flex-start; }
  .auth-brand-content p { margin-bottom: var(--space-6); }
  .auth-features { display: none; }
  .auth-panel-footer { margin-top: var(--space-6); }

  .auth-panel-form { padding: var(--space-8) var(--space-6); }
}

@media (max-width: 480px) {
  .form-row { grid-template-columns: 1fr; }
}