/**
 * Global mobile-friendly styles for ShuttleLync
 * Touch targets ≥44px, safe areas, responsive spacing
 */

/* Safe area for notched devices (iOS, Android) */
:root {
  --safe-area-top: env(safe-area-inset-top, 0px);
  --safe-area-right: env(safe-area-inset-right, 0px);
  --safe-area-bottom: env(safe-area-inset-bottom, 0px);
  --safe-area-left: env(safe-area-inset-left, 0px);
  --touch-target-min: 44px;
}

/* Minimum touch target size for interactive elements (WCAG 2.5.5) */
@media (max-width: 1024px) {
  .btn,
  button:not([type="hidden"]),
  a.btn,
  .tab-button,
  [role="button"] {
    min-height: var(--touch-target-min);
    min-width: var(--touch-target-min);
    padding: 0.6rem 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    -webkit-tap-highlight-color: rgba(39, 70, 144, 0.1);
    touch-action: manipulation;
  }

  /* Tap-friendly links in lists/cards */
  a[href]:not(.btn) {
    padding: 0.35rem 0;
    -webkit-tap-highlight-color: rgba(39, 70, 144, 0.08);
  }

  input:not([type="hidden"]),
  select,
  textarea {
    min-height: var(--touch-target-min);
    font-size: 16px; /* Prevents iOS zoom on focus */
  }
}

/* Small phones */
@media (max-width: 768px) {
  body {
    padding-left: var(--safe-area-left);
    padding-right: var(--safe-area-right);
    padding-bottom: var(--safe-area-bottom);
  }

  .container,
  .container-wide {
    padding-left: max(1rem, var(--safe-area-left));
    padding-right: max(1rem, var(--safe-area-right));
    padding-bottom: max(1rem, var(--safe-area-bottom));
  }

  .section-title {
    font-size: 1.5rem;
  }

  .section-subtitle {
    font-size: 0.95rem;
  }
}

/* Very small screens */
@media (max-width: 480px) {
  .container,
  .container-wide {
    padding-left: max(0.75rem, var(--safe-area-left));
    padding-right: max(0.75rem, var(--safe-area-right));
  }
}

/* Prevent horizontal overflow */
html {
  overflow-x: hidden;
}

body {
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

/* Topbar: prevent overflow on narrow screens - logo + action buttons wrap */
.topbar {
  flex-wrap: wrap;
  gap: 0.5rem;
  min-width: 0;
}
.topbar > div:last-child {
  display: flex !important;
  flex-wrap: wrap;
  gap: 0.5rem;
  min-width: 0;
  justify-content: flex-end;
}
.topbar .logo {
  flex-shrink: 0;
}
@media (max-width: 640px) {
  .topbar .logo-text {
    font-size: 1.15rem;
  }
  .topbar .btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    white-space: nowrap;
  }
}

/* Responsive images and media */
img,
video {
  max-width: 100%;
  height: auto;
}

/* Stack form rows on narrow viewports */
@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr !important;
  }
}