/* Mobile / tablet adaptive layer. Desktop behavior is unchanged. */
html { -webkit-text-size-adjust: 100%; }
body { min-width: 0; overflow-x: hidden; }
img, svg, video, canvas { max-width: 100%; }
button, input, select, textarea { font: inherit; }

/* Touch targets */
.touch-device button,
.touch-device .btn,
.touch-device a.nav-link,
.touch-device select,
.touch-device input { min-height: 42px; }

@media (max-width: 1180px) {
  .nav-inner { gap: 14px; padding-inline: 14px; }
  .nav-promo { display: none !important; }
  .workspace { grid-template-columns: minmax(0, 1fr) minmax(320px, .78fr); }
  .panel-stats { grid-column: 1 / -1; }
  .price-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  :root { --mobile-gutter: 12px; }
  body.mobile-device { padding-bottom: env(safe-area-inset-bottom); }

  .navbar {
    height: auto;
    min-height: 58px;
    padding-top: env(safe-area-inset-top);
  }
  .nav-inner {
    min-height: 58px;
    height: auto;
    padding: 8px var(--mobile-gutter);
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px 10px;
  }
  .logo { min-width: 0; }
  .logo svg { width: 28px; height: 28px; flex: 0 0 28px; }
  .logo span { font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .logo small { display: none !important; }
  .nav-right { grid-column: 2; grid-row: 1; gap: 6px; }
  .nav-right .btn { padding: 7px 10px; font-size: 12px; }
  .nav-right .btn-tg { width: 38px; height: 38px; }
  .nav-menu {
    grid-column: 1 / -1;
    grid-row: 2;
    width: 100%;
    display: flex;
    gap: 6px;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scrollbar-width: none;
    padding: 2px 0 3px;
    -webkit-overflow-scrolling: touch;
  }
  .nav-menu::-webkit-scrollbar { display: none; }
  .nav-link {
    flex: 0 0 auto;
    white-space: nowrap;
    padding: 8px 11px;
    border: 1px solid rgba(33, 212, 202, .16);
    border-radius: 8px;
    font-size: 12px;
  }

  .main, .page-main {
    width: 100%;
    max-width: none;
    margin: 0;
    padding-left: var(--mobile-gutter) !important;
    padding-right: var(--mobile-gutter) !important;
  }
  .main { padding-top: 116px !important; }
  .page-main { padding-top: 124px !important; }

  .global-notice-bar, .top-announcement, .announcement-bar {
    max-width: calc(100vw - 24px) !important;
    margin-inline: auto !important;
  }
  .global-notice-track, .top-announcement-text, .announcement-text {
    font-size: 15px !important;
    line-height: 28px !important;
  }

  .intro { min-height: 0 !important; height: auto !important; padding: 16px 12px !important; }
  .intro h1 { font-size: clamp(24px, 7vw, 34px) !important; line-height: 1.2; }
  .intro > p { font-size: 13px; line-height: 1.65; }
  .intro-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 7px; }
  .tag { font-size: 11px; padding: 7px 9px; }

  .workspace,
  .price-grid,
  .stats-grid,
  .result-grid,
  .generator-grid,
  .lookup-grid,
  .invite-grid,
  .auth-layout,
  .register-layout {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 12px !important;
  }

  .panel { min-width: 0; }
  .panel-header { min-height: 48px; padding: 10px 12px; gap: 8px; flex-wrap: wrap; }
  .panel-header h2 { font-size: 14px; min-width: 0; }
  .panel-actions { width: 100%; display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 6px; }
  .panel-actions .gate-select { width: 100%; min-width: 0; }
  .panel-actions .btn { padding-inline: 10px; }
  .panel-body { padding: 12px; }
  .panel-footer { padding: 10px 12px; flex-wrap: wrap; gap: 9px; }

  textarea, .result-area { min-height: 180px; font-size: 13px; }
  .submit-info { width: 100%; justify-content: space-between; gap: 8px; }
  .btn-start { width: 100%; min-width: 0; padding: 13px 18px; }

  .task-data, .result-stats, .records-summary { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
  .task-circle { transform: scale(.88); transform-origin: center; }

  .page-header { padding: 14px 12px; }
  .page-header h1 { font-size: 22px; }
  .new-user-tip { display: grid; grid-template-columns: auto 1fr; gap: 10px; padding: 12px; }
  .new-user-tip > .btn { grid-column: 1 / -1; width: 100%; }
  .price-grid { grid-template-columns: 1fr !important; }
  .price-card { min-height: 0; padding: 24px 16px 16px; }
  .popular-tag { left: 50% !important; right: auto !important; transform: translateX(-50%); }
  .recharge-selection, .recharge-confirm { padding: 14px !important; }

  .records-table,
  .table-wrap,
  .history-table,
  .lookup-results {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .records-table table,
  .table-wrap table,
  .history-table table { min-width: 720px; }

  .modal-overlay { align-items: flex-end !important; padding: 0 !important; }
  .modal-box {
    width: 100% !important;
    max-width: none !important;
    max-height: min(88dvh, 760px) !important;
    border-radius: 18px 18px 0 0 !important;
    padding-bottom: env(safe-area-inset-bottom);
    overflow-y: auto;
  }
  .modal-header { position: sticky; top: 0; z-index: 2; }
  .modal-body { padding: 14px !important; }

  .form-row, .form-grid, .generator-options { grid-template-columns: 1fr !important; }
  input, select, textarea { width: 100%; max-width: 100%; }
  .btn-block-mobile { width: 100%; }

  .auth-card, .login-card, .register-card { width: 100% !important; max-width: 100% !important; margin: 0 !important; }
  .auth-side, .register-side { display: none !important; }
}

@media (max-width: 480px) {
  :root { --mobile-gutter: 9px; }
  .nav-inner { padding-inline: 9px; }
  .logo span { max-width: 145px; }
  .nav-right .btn-ghost { display: none; }
  .main { padding-top: 112px !important; }
  .page-main { padding-top: 118px !important; }
  .panel-header h2 .price-tag { display: block; margin: 4px 0 0; }
  .panel-actions { grid-template-columns: 1fr 1fr; }
  .panel-actions .gate-select { grid-column: 1 / -1; }
  .task-data, .result-stats, .records-summary { grid-template-columns: 1fr !important; }
  .price-amount { font-size: 34px; }
  .global-notice-track, .top-announcement-text, .announcement-text { font-size: 14px !important; }
}

@media (orientation: landscape) and (max-height: 520px) and (max-width: 960px) {
  .navbar { position: sticky; }
  .main, .page-main { padding-top: 12px !important; }
  .intro { padding-block: 10px !important; }
  .intro-tags { display: none; }
  .modal-box { max-height: 96dvh !important; }
}