/* ============================================
   LOGIN PAGE — Automation AI
   ============================================ */

/* ── Page Layout ── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px var(--container-pad);
  position: relative;
  overflow: hidden;
}

/* Background orbs */
.login-page .orb--tl {
  position: absolute;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(124,58,237,0.3) 0%, transparent 70%);
  top: -160px;
  left: -160px;
  filter: blur(80px);
  pointer-events: none;
}

.login-page .orb--br {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(109,40,217,0.25) 0%, transparent 70%);
  bottom: -120px;
  right: -120px;
  filter: blur(80px);
  pointer-events: none;
}

/* ── Card ── */
.auth-card {
  position: relative;
  width: 100%;
  max-width: 440px;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-bg-border);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.04);
  z-index: 1;
  box-sizing: border-box;
}

/* ── Brand Header ── */
.auth-brand {
  text-align: center;
  margin-bottom: 32px;
  width: 100%;
  overflow: hidden;
}

.auth-brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  margin-bottom: 24px;
}

.auth-brand-icon {
  width: 36px;
  height: 36px;
  background: var(--color-brand-500);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-brand-name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

.auth-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.auth-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  max-width: 100%;
  overflow-wrap: break-word;
  word-break: break-word;
}

/* ── Views (login / register / forgot) ── */
.auth-view {
  display: none;
}

.auth-view.active {
  display: block;
  animation: auth-fade-in 0.25s ease;
}

@keyframes auth-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Google Button ── */
.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 12px 20px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  text-decoration: none;
}

.btn-google:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.18);
  transform: translateY(-1px);
}

.btn-google:active {
  transform: translateY(0);
}

.btn-google svg {
  flex-shrink: 0;
}

/* ── Divider ── */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-bg-border);
}

.auth-divider span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* ── Form Fields ── */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}

.form-input-wrap {
  position: relative;
}

.form-input {
  width: 100%;
  padding: 11px 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-bg-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  box-sizing: border-box;
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

.form-input:focus {
  border-color: var(--color-brand-400);
  background: rgba(139,92,246,0.06);
  box-shadow: 0 0 0 3px rgba(139,92,246,0.15);
}

.form-input:focus + .form-input-icon {
  color: var(--color-brand-400);
}

/* Password toggle */
.form-input--has-icon {
  padding-right: 44px;
}

.form-input-icon {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  transition: color var(--transition-fast);
}

.form-input-icon:hover {
  color: var(--color-text-secondary);
}

/* Validation states */
.form-input.is-error {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239,68,68,0.12);
}

.form-error-msg {
  display: none;
  font-size: var(--text-xs);
  color: #f87171;
  margin-top: 5px;
}

.form-group.has-error .form-error-msg {
  display: block;
}

.form-group.has-error .form-input {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239,68,68,0.12);
}

/* ── Row: Remember + Forgot ── */
.form-row-inline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 8px;
}

/* Checkbox */
.form-checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  user-select: none;
}

.form-checkbox {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 4px;
  background: rgba(255,255,255,0.04);
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--transition-fast), border-color var(--transition-fast);
  position: relative;
}

.form-checkbox:checked {
  background: var(--color-brand-500);
  border-color: var(--color-brand-500);
}

.form-checkbox:checked::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 9px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

/* Forgot link */
.link-forgot {
  font-size: var(--text-sm);
  color: var(--color-brand-300);
  text-decoration: none;
  transition: color var(--transition-fast);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  font-family: var(--font-body);
}

.link-forgot:hover {
  color: var(--color-brand-200);
  text-decoration: underline;
}

/* ── Primary Button ── */
.btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 13px 24px;
  background: var(--color-brand-500);
  border: none;
  border-radius: var(--radius-md);
  color: #fff;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  cursor: pointer;
  transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.08) 0%, transparent 100%);
}

.btn-primary:hover {
  background: var(--color-brand-400);
  box-shadow: var(--shadow-btn);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn-primary:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Loading spinner inside button */
.btn-spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.btn-primary.loading .btn-spinner {
  display: block;
}

.btn-primary.loading .btn-text {
  opacity: 0.7;
}

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

/* ── Footer: switch views ── */
.auth-footer {
  text-align: center;
  margin-top: 24px;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.auth-footer a,
.auth-footer button {
  color: var(--color-brand-300);
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: var(--text-sm);
  font-family: var(--font-body);
  font-weight: var(--weight-medium);
  padding: 0;
  transition: color var(--transition-fast);
}

.auth-footer a:hover,
.auth-footer button:hover {
  color: var(--color-brand-200);
  text-decoration: underline;
}

/* ── Success / Info message ── */
.auth-alert {
  display: none;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  line-height: 1.5;
  margin-bottom: 16px;
}

.auth-alert.success {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.25);
  color: #6ee7b7;
}

.auth-alert.error {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.22);
  color: #fca5a5;
}

/* ── Password strength bar ── */
.password-strength {
  margin-top: 6px;
}

.strength-bar {
  display: flex;
  gap: 4px;
  margin-bottom: 4px;
}

.strength-segment {
  flex: 1;
  height: 3px;
  border-radius: 2px;
  background: rgba(255,255,255,0.06);
  transition: background 0.3s ease;
}

.strength-segment.active-weak    { background: #ef4444; }
.strength-segment.active-fair    { background: #f59e0b; }
.strength-segment.active-strong  { background: #10b981; }

.strength-label {
  font-size: 11px;
  color: var(--color-text-muted);
}

/* ── Back link ── */
.auth-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  padding: 0 0 20px 0;
  transition: color var(--transition-fast);
}

.auth-back-btn:hover {
  color: var(--color-text-secondary);
}

/* ── Terms text ── */
.auth-terms {
  font-size: 11px;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 16px;
  line-height: 1.6;
}

.auth-terms a {
  color: var(--color-brand-300);
  text-decoration: none;
}

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

/* ── Responsive ── */
@media (max-width: 480px) {
  .login-page {
    padding: 64px 16px 24px;
    align-items: flex-start;
  }

  .auth-card {
    padding: 28px 20px;
    border-radius: var(--radius-lg);
    max-width: calc(100vw - 32px);
    min-width: 0;
  }

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

  .form-row-inline {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

/* ── Back to home link ── */
.back-to-home {
  position: fixed;
  top: 20px;
  left: 24px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: color var(--transition-fast);
  z-index: 10;
}

.back-to-home:hover {
  color: var(--color-text-secondary);
}