/* ============================================
   SECURITY PAGE - 安全设置页
   Linear / Vercel 极简风格
   ============================================ */

/* ---------- Page Container ---------- */
.security-page {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-content: start;
}

/* ---------- Header ---------- */
.security-header {
  grid-column: 1 / -1;
  margin-bottom: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-light);
}

.security-header h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.security-header p {
  font-size: 14px;
  color: var(--text-tertiary);
  margin-top: 6px;
}

/* ---------- Section ---------- */
.security-section {
  margin-bottom: 0;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: border-color var(--transition-base);
}

.security-section--full {
  grid-column: 1 / -1;
}

.security-section:hover {
  border-color: var(--gray-200);
}

.security-section-head {
  margin-bottom: 20px;
}

.security-section-head h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

.security-section-head h2 svg {
  width: 18px;
  height: 18px;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.security-section-desc {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-top: 6px;
  line-height: 1.5;
}

/* ---------- Status Grid ---------- */
.security-status-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.security-status-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--bg-subtle);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.security-status-card:hover {
  border-color: var(--border);
  background: var(--bg-white);
}

.security-status-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--gray-100);
  color: var(--text-tertiary);
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.security-status-icon svg {
  width: 18px;
  height: 18px;
}

.security-status-icon.enabled {
  background: var(--success-light);
  color: var(--success);
}

.security-status-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.security-status-label {
  font-size: 12px;
  color: var(--text-tertiary);
  font-weight: 500;
  letter-spacing: 0.01em;
}

.security-status-value {
  font-size: 14px;
  color: var(--text);
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.security-status-value.enabled {
  color: var(--success);
}

/* ---------- Action Buttons ---------- */
.security-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 14px;
  font-size: 13px;
  font-weight: 500;
}

.security-action-btn svg {
  width: 15px;
  height: 15px;
}

.security-action-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 16px;
}

/* ---------- Danger Outline Button (补充全局缺失) ---------- */
.btn-danger-outline {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--border);
}

.btn-danger-outline:hover {
  background: var(--danger-light);
  border-color: var(--danger);
}

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

/* ---------- Link Button (补充全局缺失) ---------- */
.btn-link {
  background: none;
  border: none;
  color: var(--primary);
  padding: 0;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  height: auto;
}

.btn-link:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* ---------- Toggle Row (状态行 + 右侧操作) ---------- */
.security-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 14px 16px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
}

.security-toggle-state {
  display: flex;
  align-items: center;
  gap: 8px;
}

.security-toggle-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gray-300);
  flex-shrink: 0;
  transition: background var(--transition-fast);
}

.security-toggle-dot.enabled {
  background: var(--success);
  box-shadow: 0 0 0 3px var(--success-light);
}

.security-toggle-state-text {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
}

.security-toggle-state-text.enabled {
  color: #059669;
}

.security-toggle-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ---------- Security Email Current ---------- */
.security-email-current {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.security-email-current-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-tertiary);
  font-weight: 500;
}

.security-email-current-label svg {
  width: 15px;
  height: 15px;
}

.security-email-current-value {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text);
  font-weight: 600;
  word-break: break-all;
}

.security-email-source-badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
  border-radius: var(--radius-xs);
  background: var(--primary-light);
  color: var(--primary);
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.security-email-source-badge.custom {
  background: var(--success-light);
  color: #059669;
}

.security-email-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.security-email-actions .btn {
  height: 36px;
  padding: 0 14px;
  font-size: 13px;
  font-weight: 500;
}

/* ---------- Forms ---------- */
.security-form {
  max-width: 420px;
}

.security-form .form-group {
  margin-bottom: 16px;
}

.security-form .form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: 0.01em;
}

.security-form .form-control {
  width: 100%;
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  background: var(--bg-white);
  color: var(--text);
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
}

.security-form .form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.security-form .form-control::placeholder {
  color: var(--gray-400);
}

.security-form > .btn {
  height: 38px;
  padding: 0 16px;
  font-size: 13.5px;
  font-weight: 600;
}

/* ---------- Security Logs ---------- */
.security-logs {
  max-height: 400px;
  overflow-y: auto;
  margin: 0 -8px;
  padding: 0 8px;
}

.security-log-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 4px;
  border-bottom: 1px solid var(--border-light);
  transition: background var(--transition-fast);
}

.security-log-item:last-child {
  border-bottom: none;
}

.security-log-item:hover {
  background: var(--bg-subtle);
}

.security-log-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.security-log-icon.success {
  background: var(--success-light);
  color: var(--success);
}

.security-log-icon.failed {
  background: var(--danger-light);
  color: var(--danger);
}

.security-log-icon svg {
  width: 15px;
  height: 15px;
}

.security-log-info {
  flex: 1;
  min-width: 0;
}

.security-log-event {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}

.security-log-meta {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 2px;
  font-family: var(--font-mono);
}

.security-empty {
  text-align: center;
  color: var(--text-tertiary);
  font-size: 13px;
  padding: 32px 16px;
}

/* ---------- Security Alerts ---------- */
.security-alerts-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.security-alerts-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 10px;
  background: var(--danger);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  line-height: 1;
}

.security-alerts-badge.hidden {
  display: none;
}

.security-alerts-mark-all {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  font-size: 12px;
}

.security-alerts-mark-all svg {
  width: 14px;
  height: 14px;
}

.security-alerts {
  max-height: 400px;
  overflow-y: auto;
  margin: 0 -8px;
  padding: 0 8px;
}

.security-alert-item {
  display: flex;
  gap: 12px;
  padding: 14px 12px;
  border-bottom: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
  cursor: pointer;
  position: relative;
}

.security-alert-item:last-child {
  border-bottom: none;
}

.security-alert-item:hover {
  background: var(--bg-subtle);
}

.security-alert-item.unread {
  background: var(--bg-subtle);
}

.security-alert-item.unread::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--danger);
}

.security-alert-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.security-alert-icon.high {
  background: var(--danger-light);
  color: var(--danger);
}

.security-alert-icon.medium {
  background: #fef3c7;
  color: #d97706;
}

.security-alert-icon.low {
  background: var(--bg-subtle);
  color: var(--text-tertiary);
}

.security-alert-icon svg {
  width: 16px;
  height: 16px;
}

.security-alert-body {
  flex: 1;
  min-width: 0;
}

.security-alert-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.security-alert-severity {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.security-alert-severity.high {
  background: var(--danger-light);
  color: var(--danger);
}

.security-alert-severity.medium {
  background: #fef3c7;
  color: #d97706;
}

.security-alert-severity.low {
  background: var(--bg-subtle);
  color: var(--text-tertiary);
}

.security-alert-desc {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
  line-height: 1.5;
}

.security-alert-meta {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 6px;
  font-family: var(--font-mono);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.security-alert-meta span {
  white-space: nowrap;
}

.security-alert-notified {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 10px;
  color: var(--text-tertiary);
}

.security-alert-notified svg {
  width: 11px;
  height: 11px;
}

/* ============================================
   MODAL - 弹窗（安全页专用结构）
   ============================================ */
.security-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 1;
  visibility: visible;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.security-modal.hidden {
  display: none;
}

.security-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.security-modal-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 460px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 24px;
  transform: translateY(0) scale(1);
  transition: transform var(--transition-slow);
}

.security-modal:not(.hidden) .security-modal-content {
  animation: securityModalIn 280ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes securityModalIn {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Modal inner（复用全局 .modal-header / .modal-body / .modal-footer） */
.security-modal-content .modal-header {
  margin-bottom: 20px;
}

.security-modal-content .modal-header h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

.security-modal-content .modal-body {
  margin-bottom: 20px;
}

.security-modal-content .modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.security-modal-content .modal-footer .btn {
  height: 36px;
  padding: 0 14px;
  font-size: 13px;
  font-weight: 600;
}

/* ---------- TOTP Setup ---------- */
.totp-setup-step {
  margin-bottom: 20px;
}

.totp-setup-step:last-child {
  margin-bottom: 0;
}

.totp-step-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.totp-step-desc {
  font-size: 12.5px;
  color: var(--text-tertiary);
  margin-bottom: 12px;
  line-height: 1.5;
}

.totp-qr-container {
  display: flex;
  justify-content: center;
  padding: 16px;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
}

.totp-qr-container img {
  width: 180px;
  height: 180px;
}

.totp-secret-wrap {
  margin-top: 12px;
}

.totp-secret-wrap label {
  display: block;
  font-size: 12px;
  color: var(--text-tertiary);
  font-weight: 500;
  margin-bottom: 6px;
}

.totp-secret-display {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-subtle);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
}

.totp-secret-display code {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text);
  word-break: break-all;
  font-weight: 500;
}

.totp-copy-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--text-tertiary);
  border-radius: var(--radius-xs);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.totp-copy-btn:hover {
  color: var(--primary);
  background: var(--primary-light);
}

.totp-copy-btn svg {
  width: 14px;
  height: 14px;
}

.totp-verify-input {
  text-align: center;
  letter-spacing: 4px;
  font-size: 18px;
  font-weight: 600;
  font-family: var(--font-mono);
  height: 44px;
}

/* ---------- Backup Codes ---------- */
.backup-codes-warning {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  background: var(--warning-light);
  border: 1px solid #fde68a;
  border-radius: var(--radius-md);
  color: #92400e;
  font-size: 12.5px;
  line-height: 1.5;
  margin-bottom: 16px;
}

.backup-codes-warning svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 1px;
}

.backup-codes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.backup-code-item {
  padding: 10px 12px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  letter-spacing: 2px;
  color: var(--text);
  transition: border-color var(--transition-fast);
}

.backup-code-item:hover {
  border-color: var(--gray-300);
}

.backup-codes-download {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  justify-content: center;
  height: 36px;
  font-size: 13px;
  font-weight: 500;
}

.backup-codes-download svg {
  width: 15px;
  height: 15px;
}

/* ---------- Verify Code Modal ---------- */
.verify-code-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.5;
}

.verify-code-input-wrap {
  margin-bottom: 12px;
}

.verify-code-email-info {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--text-tertiary);
}

.verify-code-email-info.hidden {
  display: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .security-page {
    grid-template-columns: 1fr;
  }

  .security-status-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .security-section {
    padding: 20px 16px;
  }

  .security-status-grid {
    grid-template-columns: 1fr;
  }

  .security-status-card {
    padding: 12px 14px;
  }

  .backup-codes-grid {
    grid-template-columns: 1fr;
  }

  .security-toggle-row {
    flex-direction: column;
    align-items: stretch;
  }

  .security-toggle-actions {
    flex-direction: column;
  }

  .security-toggle-actions .security-action-btn,
  .security-toggle-row > .security-action-btn {
    width: 100%;
    justify-content: center;
  }

  .security-action-group {
    flex-direction: column;
  }

  .security-action-btn {
    width: 100%;
    justify-content: center;
  }

  .security-email-current {
    flex-direction: column;
    align-items: flex-start;
  }

  .security-modal {
    padding: 12px;
  }

  .security-modal-content {
    padding: 20px 16px;
  }
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .security-section,
  .security-status-card,
  .security-status-icon,
  .security-log-item,
  .backup-code-item,
  .security-modal,
  .security-modal-content {
    transition: none;
  }

  .security-modal:not(.hidden) .security-modal-content {
    animation: none;
  }
}