/* ==========================================================================
   TempMail — Responsive Styles (Mobile, Tablet, Desktop)
   ========================================================================== */

.mobile-only {
  display: none !important;
}

/* Tablet & Mobile Screens (<= 900px) */
@media (max-width: 900px) {
  .inbox-column {
    width: 330px;
  }
  
  .address-hero {
    padding: 14px 16px;
  }

  .address-actions-bar {
    gap: 6px;
  }

  .btn {
    padding: 7px 11px;
    font-size: 12px;
  }

  .email-address-text {
    font-size: 16px;
  }
}

/* Mobile Screens (<= 768px) */
@media (max-width: 768px) {
  .mobile-only {
    display: inline-flex !important;
  }

  .app-header {
    padding: 0 14px;
    height: 56px;
  }

  .brand-title {
    font-size: 15px;
  }

  .brand-subtitle {
    display: none;
  }

  .address-hero {
    padding: 12px 14px;
  }

  .mail-category-switcher {
    grid-template-columns: 1fr;
    gap: 8px;
    margin-bottom: 10px;
  }

  .section-toggle-btn {
    padding: 10px 14px;
    gap: 10px;
  }

  .section-toggle-btn .section-icon {
    width: 36px;
    height: 36px;
    font-size: 20px;
  }

  .address-card {
    padding: 12px 14px;
    gap: 10px;
  }

  .address-display-row {
    padding: 8px 12px;
  }

  .email-address-text {
    font-size: 14px;
  }

  .address-actions-bar {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
  }

  .address-actions-bar .btn {
    width: 100%;
    justify-content: center;
  }

  .address-actions-bar #copy-email-btn {
    grid-column: span 2;
  }

  /* Single Column Switcher for Mobile */
  .workspace-container {
    display: flex;
    width: 100%;
    height: 100%;
  }

  .inbox-column {
    width: 100%;
    border-right: none;
    display: flex;
  }

  .viewer-column {
    display: none;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10;
    background: var(--bg-surface);
  }

  body.mobile-viewing-email .inbox-column {
    display: none;
  }

  body.mobile-viewing-email .viewer-column {
    display: flex;
  }

  .viewer-toolbar {
    padding: 8px 14px;
  }

  .viewer-header {
    padding: 14px;
  }

  .viewer-subject {
    font-size: 16px;
  }

  .otp-banner {
    margin: 10px 14px 0 14px;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .copy-otp-btn {
    width: 100%;
    justify-content: center;
  }

  .viewer-tabs {
    padding: 0 14px;
  }

  .toast-container {
    left: 14px;
    right: 14px;
    bottom: 14px;
  }

  .toast {
    min-width: 0;
    width: 100%;
  }

  .custom-input-group {
    flex-direction: column;
    align-items: stretch;
  }

  .folder-tabs-bar {
    padding: 4px;
  }
}