@media (max-width: 800px) {
  /* This stylesheet is loaded before the app's inline stylesheet. */
  .side { position: fixed !important; z-index: 4 !important; inset: auto 0 0 !important; width: 100% !important; height: 68px !important; padding: 8px 12px !important; flex-direction: row !important; align-items: center !important; }
  .side .logo { display: none !important; }
  .side .nav { display: flex !important; order: 2 !important; flex: 1 !important; margin: 0 !important; gap: 6px !important; }
  .class-sidebar { display: block !important; order: 1 !important; flex: 0 1 43% !important; margin: 0 !important; min-width: 0 !important; }
  .out { display: block !important; order: 3 !important; margin: 0 !important; padding: 10px 7px !important; font-size: 0 !important; }
  .main { margin: 0 !important; padding: 22px 14px !important; }
  .top { flex-direction: column !important; gap: 15px !important; margin-bottom: 20px !important; }
  .stats { grid-template-columns: repeat(2, 1fr) !important; gap: 7px !important; margin-bottom: 18px !important; }
  .head { padding: 15px !important; align-items: stretch !important; flex-direction: column !important; gap: 10px !important; }
  .list { padding: 3px 14px !important; }
  .student { grid-template-columns: 46px minmax(0, 1fr) auto !important; gap: 10px !important; padding: 13px 0 !important; }
  .student > :nth-child(3), .student > :nth-child(4) { display: none !important; }
  .grid { grid-template-columns: 1fr !important; }
  .span { grid-column: auto !important; }
  body { padding-bottom: 76px; }
  .access { padding: 24px 20px; align-items: start; }
  .card { margin-top: 8vh; }
  .side { position: fixed; z-index: 4; inset: auto 0 0; width: 100%; height: 68px; padding: 8px 12px; background: var(--navy); display: flex; flex-direction: row; align-items: center; gap: 7px; box-shadow: 0 -4px 18px #10182826; }
  .side .logo { display: none; }
  .side .nav { display: flex; order: 2; flex: 1; margin: 0; gap: 6px; }
  .nav button { padding: 11px 8px; text-align: center; font-size: 12px; white-space: nowrap; }
  .nav button:first-child { flex: 1; }
  .class-sidebar { display: block; order: 1; flex: 0 1 43%; margin: 0; min-width: 0; }
  .class-head { display: none; }
  .class-list { display: flex; gap: 5px; max-height: none; overflow-x: auto; scrollbar-width: none; }
  .class-list button { width: auto; flex: none; padding: 10px 12px; font-size: 12px; white-space: nowrap; }
  .out { display: block; order: 3; margin: 0; padding: 10px 7px; font-size: 0; }
  .out::before { content: '↪'; font-size: 22px; }
  .main { margin: 0; padding: 22px 14px; }
  .top { flex-direction: column; gap: 15px; margin-bottom: 20px; }
  .top h1 { font-size: 27px; }
  .top-actions { width: 100%; justify-content: stretch; }
  .top-actions .btn { flex: 1; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 7px; margin-bottom: 18px; }
  .stat { padding: 13px 10px; }
  .stat span { display: block; font-size: 11px; line-height: 1.2; }
  .stat strong { font-size: 23px; margin-top: 5px; }
  .head { padding: 15px; align-items: stretch; flex-direction: column; gap: 10px; }
  .search { width: 100%; min-height: 44px; }
  .list { padding: 3px 14px; }
  .student { grid-template-columns: 46px minmax(0, 1fr) auto; gap: 10px; padding: 13px 0; }
  .avatar { width: 46px; height: 46px; }
  .name { font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .meta { font-size: 12px; }
  .actions-small { gap: 4px; }
  .edit, .delete { padding: 8px; font-size: 12px; }
  .modal-bg { padding: 0; align-items: end; }
  .modal, .modal.small { width: 100%; max-height: 90vh; border-radius: 18px 18px 0 0; }
  .modal-head { padding: 18px 20px 14px; }
  .form { padding: 18px 20px 24px; }
  .photo { align-items: flex-start; }
  .actions { position: sticky; bottom: -24px; background: #fff; padding: 13px 0 0; }
  .actions .btn { flex: 1; }
  .toast { right: 14px; left: 14px; bottom: 84px; text-align: center; }
  #studentDetails { left: 14px; right: 14px; top: auto; bottom: 82px; width: auto; max-height: 55vh; overflow: auto; padding: 18px; box-shadow: 0 14px 40px #10182844; }
  .detail-head .avatar { width: 72px; height: 72px; font-size: 20px; }
}

/* A lista de turmas usa somente a altura disponível na lateral. Em janelas
   baixas ela passa a rolar dentro da própria área, sem ficar sob a borda. */
@media (min-width: 801px) {
  .side {
    height: 100dvh !important;
    overflow: hidden !important;
  }
  .class-sidebar {
    display: flex !important;
    flex: 1 1 auto !important;
    flex-direction: column !important;
    min-height: 0 !important;
  }
  .class-list {
    flex: 1 1 auto !important;
    min-height: 0 !important;
    max-height: none !important;
    overflow-y: auto !important;
    overscroll-behavior: contain;
    padding-bottom: 8px;
  }
  .out { flex: none !important; }
}

@media (min-width: 801px) and (max-height: 520px) {
  .side { padding-top: 12px !important; padding-bottom: 12px !important; }
  .nav { margin-top: 14px !important; }
  .class-sidebar { margin-top: 14px !important; }
  .out { padding: 7px 12px !important; font-size: 12px !important; }
}

@media (max-width: 390px) {
  .class-sidebar { flex-basis: 34%; }
  .stats { gap: 5px; }
  .stat { padding: 11px 8px; }
  .stat strong { font-size: 21px; }
}

/* Navegação superior: os comandos importantes não ficam escondidos no rodapé. */
@media (max-width: 800px) {
  body { padding-bottom: 0 !important; }
  .side {
    position: sticky !important;
    inset: 0 0 auto 0 !important;
    z-index: 7 !important;
    width: 100% !important;
    height: auto !important;
    min-height: 0 !important;
    padding: 11px 12px !important;
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: wrap !important;
    align-items: center !important;
    gap: 8px !important;
    box-shadow: 0 4px 16px #10182826 !important;
  }
  .side .logo { display: block !important; width: 100% !important; padding: 0 4px 3px !important; }
  .side .nav { display: flex !important; order: 1 !important; flex: 1 1 100% !important; width: 100% !important; margin: 0 !important; gap: 7px !important; }
  .side .nav button { flex: 1 !important; padding: 10px 8px !important; font-size: 12px !important; }
  .class-sidebar { display: block !important; order: 2 !important; flex: 1 1 100% !important; width: 100% !important; margin: 0 !important; }
  .class-head { display: flex !important; padding: 5px 4px 7px !important; }
  .class-list { display: flex !important; overflow-x: auto !important; max-height: none !important; }
  .shift-classes {
    position: absolute !important;
    top: 100% !important;
    right: 10px !important;
    bottom: auto !important;
    left: 10px !important;
    z-index: 9 !important;
  }
  .settings-nav { order: 3 !important; margin: 0 !important; padding: 8px !important; font-size: 12px !important; }
  .out { display: block !important; order: 4 !important; margin: 0 0 0 auto !important; padding: 8px !important; font-size: 12px !important; }
  .out::before { content: none !important; }
  .main { padding: 20px 14px 30px !important; }
  .top-actions { position: sticky; top: 0; z-index: 3; padding: 8px 0; background: var(--bg); }
  .top-actions .btn { min-height: 46px; }
  #studentDetails {
    position: fixed !important;
    top: 50% !important;
    right: 14px !important;
    bottom: auto !important;
    left: 14px !important;
    z-index: 12 !important;
    width: auto !important;
    max-height: 72vh !important;
    margin: 0 !important;
    padding: 20px !important;
    overflow: auto !important;
    box-shadow: 0 18px 45px #10182855 !important;
    transform: translateY(-50%) !important;
  }
  #studentDetails .detail-head { display: grid !important; grid-template-columns: 110px minmax(0, 1fr); gap: 16px !important; align-items: center !important; }
  #studentDetails .detail-head .avatar { width: 110px !important; height: 110px !important; }
  #studentDetails .detail-head h3 { font-size: 20px !important; line-height: 1.15 !important; overflow-wrap: anywhere; }
  .student {
    grid-template-columns: 76px minmax(0, 1fr) auto !important;
    gap: 14px !important;
    align-items: center !important;
  }
  .student .avatar { width: 64px !important; height: 64px !important; }
  .student > div:nth-child(2) { min-width: 0 !important; }
  .student-detail-close {
    position: absolute;
    top: 10px;
    right: 10px;
    left: auto;
    z-index: 2;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #eef2f8;
    color: var(--navy);
    font-size: 25px;
    line-height: 1;
  }
  /* Janelas de cadastro e edição mais confortáveis no celular. */
  .modal-bg { z-index: 20 !important; padding: 10px !important; align-items: center !important; }
  .modal, .modal.small {
    width: 100% !important;
    max-height: calc(100dvh - 20px) !important;
    border-radius: 16px !important;
  }
  .modal-head { position: sticky !important; top: 0 !important; z-index: 2 !important; background: #fff !important; }
  .modal .form { padding: 18px !important; }
  .modal .photo { align-items: center !important; flex-wrap: wrap !important; }
  .modal .preview {
    width: 88px !important;
    height: 88px !important;
    flex: 0 0 88px !important;
    border-radius: 50% !important;
  }
  .modal .preview img { width: 100% !important; height: 100% !important; object-fit: cover !important; }
  .modal .photo input { min-width: 0 !important; flex: 1 1 160px !important; }
  .modal .photo-controls { width: 100% !important; }
  .modal .photo-controls .btn { flex: 1 !important; }
  .modal .actions { position: sticky !important; bottom: -18px !important; z-index: 2 !important; }
  .toast { bottom: 18px !important; }

  /* Mantém a apresentação completa do CARÔMETRO também no login mobile. */
  .login {
    display: grid !important;
    grid-template-rows: 45dvh 55dvh !important;
    height: 100dvh !important;
    min-height: 0 !important;
    overflow: hidden !important;
  }
  .login .brand {
    display: flex !important;
    min-height: 0 !important;
    padding: 27px 28px 48px !important;
    justify-content: center !important;
  }
  .login .brand .logo { display: block !important; width: auto !important; padding: 0 !important; }
  .login .brand h1 { margin: 20px 0 10px !important; font-size: clamp(30px, 9vw, 40px) !important; letter-spacing: -1.5px !important; }
  .login .brand p { font-size: 14px !important; line-height: 1.45 !important; }
  .login .brand-credit { display: flex !important; right: 28px !important; bottom: 16px !important; left: 28px !important; font-size: 10px !important; }
  .login .access { min-height: 0 !important; padding: 18px 22px !important; overflow: hidden !important; }
  .login .card { margin: 0 !important; }
  .login .card h2 { font-size: 25px !important; margin-bottom: 4px !important; }
  .login .sub { margin-bottom: 15px !important; font-size: 14px !important; }
  .login .field { margin-bottom: 10px !important; }
  .login input { min-height: 42px !important; padding: 9px 12px !important; }
  .login .forgot { margin-top: 10px !important; }
  .login .hint { margin-top: 12px !important; padding: 10px !important; }
  .login .subscription-login-link { min-height: 40px !important; margin-top: 9px !important; font-size: 13px !important; }

  /* Login mobile: identificação limpa no topo e mensagem institucional no rodapé. */
  .login {
    position: relative !important;
    display: block !important;
    height: 100dvh !important;
    background: #fff !important;
    overflow: hidden !important;
  }
  .login::before {
    content: '';
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 210px;
    background: linear-gradient(145deg, #14203a, #294985);
  }
  .login .brand {
    position: static !important;
    display: block !important;
    min-height: 0 !important;
    padding: 0 !important;
    background: transparent !important;
    color: var(--navy) !important;
  }
  .login .brand .logo {
    position: absolute;
    top: 28px;
    left: 28px;
    z-index: 2;
    color: var(--navy) !important;
  }
  .login .brand h1 {
    position: absolute;
    right: 28px;
    bottom: 82px;
    left: 28px;
    z-index: 2;
    margin: 0 !important;
    color: #fff !important;
    font-size: 29px !important;
    line-height: 1.12 !important;
    letter-spacing: -1px !important;
  }
  .login .brand > p { display: none !important; }
  .login .brand-credit {
    position: absolute !important;
    right: 28px !important;
    bottom: 25px !important;
    left: 28px !important;
    z-index: 2 !important;
    display: flex !important;
    color: #d9e5ff !important;
    font-size: 10px !important;
  }
  .login .access {
    position: absolute;
    top: 84px;
    right: 0;
    bottom: 210px;
    left: 0;
    z-index: 1;
    display: grid !important;
    place-items: center !important;
    padding: 14px 22px !important;
    background: transparent !important;
  }

  /* Faixa institucional no topo e crédito discreto no rodapé. */
  .login::before {
    top: 0 !important;
    bottom: auto !important;
    height: 185px !important;
  }
  .login::after {
    content: '';
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 46px;
    background: #1b3157;
  }
  .login .brand .logo {
    top: 25px !important;
    color: #fff !important;
  }
  .login .brand h1 {
    top: 91px !important;
    bottom: auto !important;
    font-size: 25px !important;
    line-height: 1.15 !important;
  }
  .login .brand-credit {
    right: 20px !important;
    bottom: 13px !important;
    left: 20px !important;
    color: #e2ebff !important;
  }
  .login .access {
    top: 185px !important;
    bottom: 46px !important;
    padding: 16px 22px !important;
  }
}