/* css/responsive.css - Media queries, touch interactions, notch & safe areas */
/* Desktop Responsiveness */
@media (min-width: 768px) {
  #app-shell {
    margin-top: 12px;
    margin-bottom: 12px;
    height: calc(100dvh - 24px);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 40px rgba(0,0,0,0.08);
    overflow: hidden;
  }
  
  #bottom-nav {
    position: static;
    border-top: none;
    border-bottom: 1px solid var(--border-color);
    order: -1;
    height: 48px;
    padding-bottom: 0;
  }
  
  .nav-tab {
    flex-direction: row;
    gap: 8px;
  }
  
  .nav-tab span {
    font-size: 13px;
  }
  
  #main-content {
    padding-bottom: 24px;
  }
}


/* ===================================================================
   v1.1 — Responsive / safe-area hardening + concept media styles
   =================================================================== */

/* Notch / landscape safe areas */
#app-shell { padding-left: env(safe-area-inset-left, 0px); padding-right: env(safe-area-inset-right, 0px); }
#bottom-nav { padding-left: env(safe-area-inset-left, 0px); padding-right: env(safe-area-inset-right, 0px); }
#top-bar {
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}

/* Use the *visible* viewport on mobile browsers (address bar aware) */
.bottom-sheet { max-height: 86vh; max-height: 86dvh; overscroll-behavior: contain; }
.modal-card { max-height: 90vh; max-height: 90dvh; overscroll-behavior: contain; }
#toast-container { top: calc(env(safe-area-inset-top, 0px) + 64px); max-width: calc(100vw - 24px); }
.toast { text-align: center; }

/* Touch devices: no sticky hover states */
@media (hover: none) {
  .word-token:hover:not(.sel-token):not(.karaoke-active) { background-color: transparent; transform: none; }
  .dict-item-card:hover { transform: none; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02); border-color: var(--border-color); }
  .recent-item:hover { border-color: var(--border-color); }
}

/* Tablet portrait & phones: bottom navigation, so floating bar must sit above it */
@media (max-width: 767px) {
  #phrase-bar { bottom: calc(var(--bottom-bar-height) + env(safe-area-inset-bottom, 0px) + 12px); }
}

/* Phones */
@media (max-width: 480px) {
  .view { padding: 12px; }
  .card { padding: 14px; }
  .action-row { gap: 8px; }
  .action-row .btn { flex: 1 1 calc(50% - 4px); padding: 10px 8px; font-size: 13px; line-height: 1.25; text-align: center; }
  .action-row #btn-analyze { flex: 1 1 100%; }
  .reader-toolbar { padding: 8px 10px; gap: 6px; }
  .toolbar-group { flex-wrap: wrap; gap: 6px; }
  .sentence-card { padding: 16px 12px; min-height: 0; }
  .full-text-container { padding: 14px 10px; }
  .word-token { margin: 0 1px; padding: 2px; }
  .bottom-sheet { padding: 16px 16px calc(20px + env(safe-area-inset-bottom, 0px)); }
  .sheet-hanzi-title { font-size: 34px; }
  .def-text { font-size: 17px; }
  .dict-view-container { padding: 20px 10px 40px; }
  .settings-row { flex-wrap: wrap; }
  .settings-control { margin-left: auto; }
  .nav-tab span { font-size: 10.5px; }
  .modal-card { padding: 18px; }
  .trans-lens-header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .trans-lens-tabs { width: 100%; overflow-x: auto; padding-bottom: 4px; }
  .ai-word-header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .ai-word-header button { width: 100%; justify-content: center; }
  .punctuation-token { font-size: 0.85em; padding-bottom: 2px; }
}
@media (max-width: 350px) {
  .brand-title { display: none; }
}