/*
 * VPN Control — Mobile Operator Shell V1
 *
 * Mobile-only presentation layer.
 * Desktop shell remains owned by app-v4 / app-v4-shell.
 */

.mobile-bottom-nav {
  display: none;
}

body.app-shell .sidebar-overlay {
  display: none;
}

@media (max-width: 991.98px) {
  body.app-shell .app-main {
    min-width: 0;
    width: 100% !important;
  }

  body.app-shell .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1060;

    width: min(292px, 86vw) !important;
    max-width: 86vw;
    height: 100vh;
    height: 100dvh;
    flex-basis: min(292px, 86vw) !important;

    transform: translateX(-102%);
    transition: transform .2s ease;
  }

  body.sidebar-open {
    overflow: hidden;
  }

  body.sidebar-open .sidebar {
    transform: translateX(0);
  }

  body.app-shell .sidebar-overlay {
    position: fixed;
    inset: 0;
    z-index: 1050;

    display: block;
    visibility: hidden;

    padding: 0;
    border: 0;

    background: rgba(2, 8, 16, .62);

    opacity: 0;

    transition:
      opacity .18s ease,
      visibility .18s ease;
  }

  body.sidebar-open .sidebar-overlay {
    visibility: visible;
    opacity: 1;
  }
}

@media (max-width: 767.98px) {
  :root {
    --mobile-nav-height: 64px;
  }

  html {
    scroll-padding-bottom:
      calc(
        var(--mobile-nav-height)
        + env(safe-area-inset-bottom)
        + 12px
      );
  }

  body.app-shell {
    min-width: 320px;
    overscroll-behavior-y: none;
  }

  body.app-shell .app-layout,
  body.app-shell .app-main {
    min-width: 0;
    width: 100% !important;
  }

  body.app-shell .topbar {
    position: sticky;
    top: 0;
    z-index: 1020;

    min-height:
      calc(
        54px
        + env(safe-area-inset-top)
      );

    padding:
      env(safe-area-inset-top)
      12px
      0
      !important;

    border-bottom-color:
      rgba(126, 157, 205, .09)
      !important;

    background:
      rgba(8, 14, 24, .93)
      !important;

    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
  }

  body.app-shell .topbar-left {
    min-width: 0;
    gap: 9px;
  }

  body.app-shell .topbar-context {
    min-width: 0;
  }

  body.app-shell .topbar-title {
    max-width: calc(100vw - 96px);
    overflow: hidden;

    font-size: .88rem;
    font-weight: 720;

    text-overflow: ellipsis;
    white-space: nowrap;
  }

  body.app-shell .topbar-subtitle {
    display: none;
  }

  body.app-shell .topbar-user {
    display: none;
  }

  body.app-shell .sidebar-toggle {
    width: 40px !important;
    height: 40px !important;
    flex: 0 0 40px !important;

    border-radius: 12px !important;
  }

  body.app-shell .content {
    width: 100%;
    min-width: 0;

    padding:
      14px
      12px
      calc(
        var(--mobile-nav-height)
        + env(safe-area-inset-bottom)
        + 22px
      )
      !important;
  }

  body.app-shell .app-alert {
    margin-bottom: 10px;
    border-radius: 12px;
  }

  .mobile-bottom-nav {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 1035;

    display: grid;
    grid-template-columns:
      repeat(5, minmax(0, 1fr));
    align-items: end;

    min-height:
      calc(
        var(--mobile-nav-height)
        + env(safe-area-inset-bottom)
      );

    padding:
      6px
      max(8px, env(safe-area-inset-right))
      calc(
        6px
        + env(safe-area-inset-bottom)
      )
      max(8px, env(safe-area-inset-left));

    border-top:
      1px solid rgba(126, 157, 205, .11);

    background:
      rgba(7, 13, 22, .95);

    box-shadow:
      0 -12px 34px rgba(0, 0, 0, .28);

    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
  }

  .mobile-nav-item {
    position: relative;

    display: flex;
    min-width: 0;
    min-height: 50px;
    padding: 4px 2px;

    flex-direction: column;
    gap: 3px;
    align-items: center;
    justify-content: center;

    border: 0;
    border-radius: 12px;

    background: transparent;

    color: #687a91 !important;

    font: inherit;
    text-align: center;
    text-decoration: none;

    cursor: pointer;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
  }

  .mobile-nav-item:hover,
  .mobile-nav-item:focus-visible {
    background: rgba(79, 124, 255, .07);
    color: #a8bddd !important;
  }

  .mobile-nav-item:focus-visible {
    outline:
      2px solid rgba(91, 142, 255, .7);
    outline-offset: 1px;
  }

  .mobile-nav-item.active {
    color: #8eb7ff !important;
  }

  .mobile-nav-item.active::after {
    position: absolute;
    bottom: 0;

    width: 18px;
    height: 2px;

    border-radius: 999px;

    background: #669cff;

    content: "";
  }

  .mobile-nav-icon {
    display: grid;
    width: 23px;
    height: 23px;

    place-items: center;

    line-height: 0;
  }

  .mobile-nav-icon svg {
    display: block;
    width: 21px;
    height: 21px;

    stroke-width: 1.7;
  }

  .mobile-nav-label {
    max-width: 100%;
    overflow: hidden;

    font-size: .58rem;
    font-weight: 650;
    line-height: 1.05;

    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .mobile-nav-create {
    overflow: visible;
  }

  .mobile-nav-create .mobile-nav-icon {
    width: 44px;
    height: 44px;
    margin-top: -16px;

    border:
      1px solid rgba(123, 164, 255, .45);
    border-radius: 15px;

    background:
      linear-gradient(
        145deg,
        #5687ff,
        #3f68e8
      );

    color: #fff;

    box-shadow:
      0 8px 24px rgba(63, 104, 232, .34);
  }

  .mobile-nav-create .mobile-nav-icon svg {
    width: 23px;
    height: 23px;
    stroke-width: 2;
  }

  .mobile-nav-create .mobile-nav-label {
    color: #91a8c9;
  }

  .mobile-nav-create.active::after {
    display: none;
  }

  body.sidebar-open .mobile-bottom-nav {
    opacity: .32;
    pointer-events: none;
  }

  body.app-shell .sidebar {
    padding-bottom:
      env(safe-area-inset-bottom);
  }
}

@media (max-width: 379.98px) {
  .mobile-nav-label {
    font-size: .54rem;
  }

  .mobile-nav-item {
    padding-inline: 0;
  }

  .mobile-nav-create .mobile-nav-icon {
    width: 42px;
    height: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mobile-bottom-nav,
  .mobile-nav-item {
    transition: none !important;
  }
}