/**
 * ec-erp — ajustes responsivos (smartphone, tablet, notebook estreito)
 * Carregar depois de styles.css.
 * Breakpoints legado: --ec-bp-xs (520), --ec-bp-sm (640), --ec-bp-md (1023).
 * Perfis oficiais S/T/N/D: docs/RESPONSIVE-STRATEGY.md e ECViewport (ec-viewport-profiles.js).
 */

/* ═══ Shell ec-page — KPIs .db-kpi-row ═══ */
@media (max-width: 1023px) {
  .ec-page .db-kpi-row--3,
  .ec-page .db-kpi-row--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .ec-page .db-kpi-row,
  .ec-page .db-kpi-row--3,
  .ec-page .db-kpi-row--4 {
    grid-template-columns: 1fr;
  }

  .ec-page .db-kpi__value {
    font-size: 26px;
  }

  .ec-page > .card,
  .ec-page .card.mb-16,
  .ec-page .card.mb-12 {
    padding: 16px 14px;
  }
}

/* ═══ Base global — evita overflow e melhora toque ═══ */
.main-content,
.page-content,
.page-wrapper {
  min-width: 0;
  max-width: 100%;
}

.main-content {
  overflow-x: clip;
}

.page-content img,
.page-content video,
.page-content canvas {
  max-width: 100%;
  height: auto;
}

.table-wrap,
.db-table-wrap,
.table-wrap--os-list {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
}

.page-content pre,
.page-content code {
  max-width: 100%;
  overflow-x: auto;
}

/* ─── Notebook estreito (≤1024px) ─── */
@media (max-width: 1024px) {
  .page--dashboard,
  .page--finance {
    max-width: 100%;
  }

  .ec-form-page:not(.ec-form-page--compact) .ec-form-page__grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 0 16px 16px;
  }

  .ec-form-page__aside {
    order: -1;
    width: 100%;
  }

  .settings-layout {
    grid-template-columns: 1fr;
    max-width: none;
  }

  .settings-nav__select {
    display: block;
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--ec-border);
    border-radius: var(--ec-radius);
    background: var(--ec-surface);
    color: var(--ec-text);
    font-size: var(--ec-text-base);
    margin-bottom: 8px;
  }

  .settings-nav {
    display: none;
  }
}

/* ─── Tablet (≤1023px) — dashboard / financeiro ─── */
@media (max-width: 1023px) {
  .db-tabs,
  .page--finance .ec-tabs,
  .ec-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap;
    scrollbar-width: thin;
    max-width: 100%;
  }

  .db-tab-btn,
  .page--finance .ec-tabs__btn,
  .ec-tabs__btn {
    flex-shrink: 0;
    white-space: nowrap;
  }

  .db-kpi-row,
  .db-kpi-row--3,
  .db-kpi-row--4,
  .db-kpi-row--5,
  .db-fin-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .db-chart-row,
  .db-chart-row--3,
  .db-two-col {
    grid-template-columns: 1fr;
  }

  .db-chart-wrap {
    height: 200px;
  }

  .dashboard-quick-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .finance-categories-grid {
    grid-template-columns: 1fr;
  }

  .filter-bar {
    gap: 8px;
  }

  .filter-bar > label,
  .filter-bar > .field {
    flex: 1 1 140px;
    min-width: min(100%, 140px);
  }

  .table-wrap {
    scrollbar-width: thin;
  }

  .os-show-tabs-shell {
    margin-bottom: 12px;
  }

  .os-create-wizard__steps {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 8px;
    padding-bottom: 6px;
    scrollbar-width: thin;
  }

  .os-create-wizard__step {
    flex: 0 0 auto;
    min-height: 44px;
  }

  .os-create-summary {
    grid-template-columns: 1fr 1fr;
    position: sticky;
    top: 0;
    z-index: 6;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.08);
  }

  .os-create-summary__item--wide {
    grid-column: span 2;
  }

  .ec-task-modal {
    width: min(600px, 100vw);
    max-width: 100vw;
    max-height: min(90vh, 100dvh);
    margin: auto 0;
  }

  .ec-task-modal__close {
    min-width: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .operacao-hub-hero__cta {
    flex-direction: column;
    align-items: stretch;
  }

  .operacao-hub-hero__cta .btn {
    width: 100%;
    justify-content: center;
    min-height: 44px;
  }

  .ec-page .inv-hub-card {
    min-height: 44px;
    padding-top: 14px;
    padding-bottom: 14px;
  }

  .ec-notif-tab {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .ec-notif-inbox__actions .btn {
    min-height: 44px;
  }

  .so-campo-page .btn {
    min-height: 44px;
  }

  .ec-page .inv-quick-filters .btn {
    min-height: 40px;
  }

  .cal-integration-card__row {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .cal-integration-card .actions-row {
    flex-wrap: wrap;
  }

  .cal-integration-card .actions-row .btn {
    flex: 1 1 auto;
    min-height: 40px;
  }

  .ec-form-nav--mobile .ec-form-nav__list {
    padding: 4px 0 8px;
    gap: 6px;
  }

  .ec-form-nav--mobile .ec-form-nav__list a {
    min-height: 40px;
    padding: 8px 14px;
  }
}

/* ─── Notebook estreito (≤1024px) — cabeçalhos ─── */
@media (max-width: 1024px) {
  .page-header {
    flex-direction: column;
    align-items: stretch;
  }

  .page-header__actions {
    width: 100%;
  }

  .page-header__actions .btn-toolbar {
    justify-content: flex-start;
  }

  .os-show-top__main {
    flex-direction: column;
    align-items: stretch;
  }

  .os-show-top__actions {
    justify-content: flex-start;
    width: 100%;
  }

  .ec-form-footer__inner {
    max-width: none;
  }
}

/* ─── Smartphone (≤640px) ─── */
@media (max-width: 640px) {
  .page-header__title {
    font-size: var(--ec-text-lg, 1.125rem);
    line-height: 1.25;
  }

  .page-header__desc {
    max-width: none;
  }

  /* Dashboard / financeiro — uma coluna */
  .db-kpi-row,
  .db-kpi-row--3,
  .db-kpi-row--4,
  .db-kpi-row--5,
  .db-fin-row {
    grid-template-columns: 1fr;
  }

  .db-kpi-board .db-kpi-section {
    padding: 14px 14px;
  }

  .db-kpi__value {
    font-size: 26px;
  }

  .db-kpi__value--sm {
    font-size: 20px;
  }

  .db-card {
    padding: 16px 14px;
  }

  .db-alert {
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 8px;
  }

  .db-alert__cta {
    margin-left: 0;
    width: 100%;
    text-align: right;
  }

  .db-rank-item {
    grid-template-columns: 16px 1fr 56px 24px;
    gap: 8px;
  }

  .db-bar-row {
    grid-template-columns: 52px 1fr 28px;
  }

  .dashboard-quick-grid,
  .os-kpi-grid--primary {
    grid-template-columns: 1fr;
  }

  .page-content th,
  .page-content td,
  .db-table th,
  .db-table td {
    padding: 8px 10px;
    font-size: var(--ec-text-sm, 13px);
  }

  .db-table__cell--clip {
    max-width: 110px;
  }

  .form-grid.two,
  .form-grid.three,
  .form-grid.four {
    grid-template-columns: 1fr;
  }

  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-bar > label,
  .filter-bar > .field {
    width: 100%;
    flex: none;
    min-width: 0;
  }

  .filter-bar__actions {
    width: 100%;
    justify-content: stretch;
  }

  .filter-bar__actions .btn {
    flex: 1 1 auto;
    min-height: 44px;
    justify-content: center;
  }

  .ec-list-card-header,
  .item-form-section__header {
    flex-wrap: wrap;
    align-items: flex-start;
  }

  .ec-list-card-header .filter-bar__actions,
  .item-form-section__header > .filter-bar__actions {
    width: 100%;
    flex-wrap: wrap;
    gap: 8px;
  }

  .ec-list-card-header .filter-bar__actions .btn,
  .item-form-section__header .btn {
    min-height: 44px;
    flex: 1 1 calc(50% - 4px);
    justify-content: center;
  }

  #finance-region .ec-list-card-header .filter-bar__actions .btn {
    flex: 1 1 100%;
  }

  .cashflow-bars {
    gap: 0.5rem;
    padding: 8px 12px 12px;
  }

  .cashflow-month {
    min-width: 40px;
  }

  /* Criação de OS */
  .os-create-wizard__steps {
    flex-direction: column;
    align-items: stretch;
    overflow: visible;
  }

  .os-create-wizard__step {
    width: 100%;
    justify-content: flex-start;
    min-height: 44px;
    padding: 10px 12px;
  }

  /* Rodapé de formulários */
  .ec-form-footer {
    margin-left: calc(-1 * var(--ec-page-padding-mobile-inline, 12px));
    margin-right: calc(-1 * var(--ec-page-padding-mobile-inline, 12px));
    padding-left: var(--ec-page-padding-mobile-inline, 12px);
    padding-right: var(--ec-page-padding-mobile-inline, 12px);
    padding-bottom: max(14px, env(safe-area-inset-bottom, 0px));
  }

  .ec-form-footer__inner {
    flex-direction: column-reverse;
    align-items: stretch;
    gap: 10px;
  }

  .ec-form-footer__submit,
  .ec-form-footer .btn--primary {
    width: 100%;
    min-width: 0;
    min-height: 44px;
  }

  .ec-form-footer .btn:not(.btn--primary) {
    width: 100%;
    min-height: 44px;
  }

  /* Modal de tarefa — quase ecrã inteiro */
  .ec-task-modal {
    width: 100vw;
    max-width: 100vw;
    height: var(--ec-task-modal-vh, 100dvh);
    max-height: var(--ec-task-modal-vh, 100dvh);
    margin: 0;
    border-radius: 0;
  }

  .ec-task-modal__scroll {
    padding: 20px max(16px, env(safe-area-inset-right, 0px)) 24px
      max(16px, env(safe-area-inset-left, 0px));
  }

  .ec-task-modal__footer {
    padding: 12px max(16px, env(safe-area-inset-right, 0px))
      max(12px, env(safe-area-inset-bottom, 0px))
      max(16px, env(safe-area-inset-left, 0px));
  }

  .ec-task-modal__footer-actions {
    width: 100%;
    flex-direction: column-reverse;
  }

  .ec-task-modal__footer .btn {
    width: 100%;
    min-height: 44px;
  }

  .os-show-summary__grid {
    grid-template-columns: 1fr;
  }

  .os-show-summary__actions .btn {
    flex: 1 1 calc(50% - 4px);
    min-height: 44px;
    justify-content: center;
  }

  .os-show-summary--v2 .os-kv-grid,
  .os-kv-grid--compact {
    grid-template-columns: 1fr;
  }

  .os-show-summary--v3 .os-show-summary__primary {
    grid-template-columns: 1fr;
    gap: var(--os-space-3);
  }

  .os-show-summary__inline-actions .os-show-summary__action-link {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }

  .os-kpi-grid--primary {
    grid-template-columns: 1fr 1fr;
  }

  .btn-toolbar {
    width: 100%;
  }

  .btn-toolbar > .btn:not(.btn--icon),
  .btn-toolbar > form .btn:not(.btn--icon) {
    flex: 1 1 calc(50% - 4px);
    min-height: 44px;
    justify-content: center;
  }

  .btn-toolbar > .page-toolbar__more {
    flex: 1 1 100%;
  }

  .btn-toolbar > .page-toolbar__more .page-toolbar__more-trigger {
    width: 100%;
    min-height: 44px;
    justify-content: center;
  }

  .filter-bar--card {
    padding: 12px;
  }

  .os-list-filter-bar__primary {
    flex-direction: column;
    align-items: stretch;
  }

  .os-list-filter-bar__status {
    flex: 1 1 auto;
    min-width: 0;
  }

  .os-list-filter-bar__actions {
    width: 100%;
  }

  .os-list-filter-bar__actions .btn {
    flex: 1;
    min-height: 44px;
    justify-content: center;
  }

  .os-list-filter-advanced__grid {
    grid-template-columns: 1fr;
  }

  .os-kpi-strip__item {
    min-width: 76px;
    flex: 0 0 auto;
  }

  .card--padded,
  .card.p-16 {
    padding: 14px 12px;
  }

  .ec-form-page__grid {
    padding: 0 12px 12px;
  }

  .ec-form-page__hero {
    padding: 12px;
  }

  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="number"],
  input[type="date"],
  input[type="datetime-local"],
  input[type="search"],
  input[type="tel"],
  input[type="url"],
  select,
  textarea {
    font-size: 16px;
  }
}

/* ─── Telemóvel estreito (≤520px) ─── */
@media (max-width: 520px) {
  .db-kpi__value {
    font-size: 22px;
  }

  .db-kpi__label {
    font-size: 10px;
  }

  .db-chart-wrap {
    height: 180px;
  }

  .topbar h1 {
    font-size: var(--ec-text-base);
  }

  .btn-toolbar > .btn:not(.btn--icon),
  .btn-toolbar > form .btn:not(.btn--icon) {
    flex: 1 1 100%;
  }
}

/* ─── Login / auth (layout auth-v2) ─── */
@media (max-width: 640px) {
  .auth-v2__right {
    padding: 32px 16px;
    min-height: 100dvh;
    align-items: flex-start;
    padding-top: max(32px, env(safe-area-inset-top, 0px));
  }

  .auth-v2__form-wrap {
    max-width: 100%;
  }

  .auth-v2__form-title {
    font-size: var(--ec-text-xl, 1.25rem);
  }

  .auth-v2--card .auth-v2__form-wrap {
    padding: 24px 20px;
    margin: 0;
    width: 100%;
    max-width: 420px;
  }

  .auth-v2__submit {
    min-height: 44px;
  }
}

@media (max-width: 520px) {
  .auth-v2__brand-name {
    font-size: var(--ec-text-2xl, 1.35rem);
  }

  .auth-v2__features li {
    font-size: var(--ec-text-sm, 13px);
  }
}

/* OS v2 — layout execução empilhado só em smartphone */
@media (max-width: 640px) {
  .os-exec-layout {
    grid-template-columns: 1fr;
    gap: var(--os-space-3);
  }

  .os-exec-sidebar {
    position: static;
    top: auto;
    flex-direction: column;
    flex-wrap: nowrap;
    overflow: visible;
    gap: 0;
    padding-bottom: 0;
    padding-right: var(--os-space-3);
    border-right: 1px solid var(--ec-divider);
    border-bottom: none;
    margin-bottom: 0;
  }

  .os-exec-sidebar__panel {
    flex: none;
    min-width: 0;
    width: 100%;
    border-bottom: 1px solid var(--ec-divider);
    padding: var(--os-space-3) 0;
  }
}

/* OS v2 — ficha tablet (641–1023) */
@media (max-width: 1023px) {
  .os-show-header-sticky {
    margin-left: -4px;
    margin-right: -4px;
    padding-left: 4px;
    padding-right: 4px;
  }

  .os-exec-sections-sticky.is-active:not(:empty) {
    margin-left: -4px;
    margin-right: -4px;
    padding-left: 4px;
    padding-right: 4px;
  }

  .os-show-tabs-v2__nav {
    flex-wrap: nowrap;
    gap: 6px;
    padding: 5px;
    border-radius: var(--ec-radius);
  }

  .os-show-tabs-v2__btn {
    flex: 0 0 auto;
    min-width: 8.5rem;
    max-width: 11rem;
    padding: 10px 12px;
  }

  .os-show-tabs-v2__btn--aux {
    min-width: 7rem;
    max-width: 8.5rem;
  }

  .os-show-tabs-v2__nav-sep {
    margin: 8px 2px;
  }

  .os-show-hero {
    padding: var(--os-space-3) var(--os-space-4);
  }

  .os-show-hero__code {
    font-size: var(--ec-text-xl);
  }
}

@media (max-width: 1023px) {
  [data-ec-tab-panels] {
    --os-page-sticky-offset: calc(
      var(--ec-shell-topbar-height, 60px) + var(--os-show-header-sticky-offset, 48px)
    );
  }

  .os-show-tabs-sticky {
    top: var(--ec-shell-topbar-height, 60px);
  }

  .os-show-wizard-sticky {
    top: calc(var(--ec-shell-topbar-height, 60px) + var(--os-show-tabs-nav-height, 48px));
  }

  .page-content:has(.os-show-hero) .page-header__actions {
    display: none;
  }

  .os-show-tabs-v2__btn {
    min-height: 48px;
  }

  [data-ec-tab-panels] {
    --os-show-tabs-nav-height: 72px;
  }

  .topbar__menu-btn,
  .topbar-notifications__btn,
  .sidebar__close {
    min-width: 44px;
    min-height: 44px;
  }

  .filter-chip {
    min-height: 44px;
    padding: 8px 12px;
  }

  .page-toolbar .btn--compact,
  .page-toolbar__more-trigger {
    min-height: 44px;
  }

  .page-toolbar__more--open .page-toolbar__more-menu {
    position: fixed;
    left: 0;
    right: 0;
    top: auto;
    bottom: 0;
    z-index: var(--ec-z-topbar-dropdown, 60);
    min-width: 100%;
    max-width: none;
    max-height: min(85dvh, 85vh);
    margin: 0;
    border-radius: var(--ec-radius-lg) var(--ec-radius-lg) 0 0;
    padding-bottom: max(10px, env(safe-area-inset-bottom, 0));
    box-shadow: 0 -8px 32px rgba(var(--ec-primary-rgb), 0.18);
    overflow-y: auto;
  }

  .ec-item-picker__list {
    position: fixed;
    left: 0;
    right: 0;
    top: auto;
    bottom: 0;
    margin: 0;
    max-height: min(50dvh, 320px);
    z-index: calc(var(--ec-z-sidebar, 50) + 2);
    border-radius: var(--ec-radius-lg) var(--ec-radius-lg) 0 0;
    border-bottom: none;
    padding-bottom: max(8px, env(safe-area-inset-bottom, 0));
    box-shadow: 0 -8px 24px rgba(15, 23, 42, 0.16);
  }

  .so-campo-page .page-header__actions {
    display: none;
  }

  .so-campo-sticky-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding-top: 8px;
  }

  .so-campo-sticky-bar__primary {
    width: 100%;
    min-height: 44px;
    flex: none;
  }

  .so-campo-sticky-bar__row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }

  .so-campo-sticky-bar__row .btn {
    flex: 1 1 calc(50% - 3px);
    min-width: 0;
    min-height: 44px;
  }

  .so-campo-page--with-bar {
    padding-bottom: calc(120px + env(safe-area-inset-bottom, 0px));
  }

  .db-table--cards thead {
    display: none;
  }

  .db-table--cards tbody tr {
    display: block;
    margin-bottom: 10px;
    border: 1px solid var(--ec-border);
    border-radius: var(--ec-radius);
    padding: 8px 10px;
    background: var(--ec-surface);
  }

  .db-table--cards tbody td {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 6px 0;
    border: none;
    text-align: right;
  }

  .db-table--cards tbody td::before {
    content: attr(data-label);
    font-weight: 600;
    font-size: var(--ec-text-xs);
    color: var(--ec-text-muted);
    text-align: left;
    flex-shrink: 0;
  }
}

/* Modal de tarefa em ecrã cheio só em telemóvel estreito */
@media (max-width: 640px) and (max-height: 500px) {
  .ec-task-modal__inner {
    padding-top: max(12px, env(safe-area-inset-top, 0px));
  }
}

/* ═══ Perfil S — avisos e superfícies só smartphone (≤640px) ═══ */
.ec-viewport-s-only {
  display: none;
}

@media (max-width: 640px) {
  .ec-viewport-s-only {
    display: block;
  }

  .ec-viewport-s-notice__inner {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 12px 14px;
  }

  .ec-viewport-s-notice__cta {
    width: 100%;
    min-height: 44px;
    justify-content: center;
  }
}

/* ═══ Perfil T — tablet 641–1023px ═══ */
.ec-viewport-t-only {
  display: none;
}

@media (min-width: 641px) and (max-width: 1023px) {
  .ec-viewport-t-only {
    display: block;
  }

  .ec-viewport-t-notice__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
  }

  .ec-viewport-t-notice__cta {
    min-height: 44px;
    flex-shrink: 0;
  }

  .db-kpi-row--6 {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    gap: 10px;
    grid-template-columns: unset;
    padding-bottom: 4px;
  }

  .db-kpi-row--6 .db-kpi {
    flex: 0 0 auto;
    min-width: 132px;
  }

  .ec-list-filter-toolbar [data-ec-filter-open],
  .ec-list-filter-toolbar .btn--compact,
  .ec-list-filter-toolbar .btn-secondary {
    min-height: 44px;
  }

  .ec-list-filter-toolbar__search .ec-form-field__control {
    min-height: 44px;
  }
}

/* ═══ Perfil N — notebook 1024–1365px ═══ */
.ec-viewport-n-only {
  display: none;
}

@media (min-width: 1024px) and (max-width: 1365px) {
  .ec-viewport-n-only {
    display: block;
  }

  /* Tabelas com ≥6 colunas: esconder colunas secundárias (após 5ª coluna) */
  .data-table--cards thead th:nth-child(n+7),
  .data-table--cards tbody td:nth-child(n+7) {
    display: none;
  }

  /* Mostrar botão de detalhes para colunas ocultas */
  .data-table--cards tbody tr::after {
    content: '…';
    display: inline-block;
    font-size: 12px;
    color: var(--ec-text-muted);
    margin-left: 8px;
  }

  /* Exceção: manter coluna de ações sempre visível */
  .data-table--cards thead th:last-child,
  .data-table--cards tbody td:last-child {
    display: table-cell;
  }

  /* Forms ec-form-page: Grid 2 colunas máx, aside sticky */
  .ec-form-page:not(.ec-form-page--compact) .ec-form-page__grid {
    grid-template-columns: 1fr min(280px, 28%);
  }

  .ec-form-page__aside {
    position: sticky;
    top: 16px;
    max-height: calc(100vh - 32px);
    overflow-y: auto;
  }

  /* Financeiro: Tabs + KPI 2x2, gráficos altura fixa 220px */
  .db-fin-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .db-chart-row,
  .db-chart-row--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .db-chart-row .db-chart,
  .db-chart-row--3 .db-chart {
    min-height: 220px;
    max-height: 220px;
  }

  /* Relatórios: Filtros drawer, preview antes de PDF */
  .page--reports .page-toolbar {
    flex-wrap: wrap;
    gap: 8px;
  }

  .page--reports .page-toolbar__actions {
    flex-wrap: wrap;
    gap: 6px;
  }

  .page--reports .ec-filter-drawer {
    max-width: 320px;
  }

  /* Ficha OS escritório: Reduzir altura sticky stack */
  .os-show-tabs-sticky {
    padding: 8px 12px;
  }

  .os-show-wizard-sticky {
    padding: 8px 12px;
  }

  .os-show-wizard-alerts {
    padding: 8px 0;
  }

  .os-exec-sidebar {
    max-height: calc(100dvh - 80px);
  }

  /* Materiais/plano: Tabelas com colunas prioritárias */
  .os-show-tab-materiais .data-table thead th:nth-child(n+6),
  .os-show-tab-materiais .data-table tbody td:nth-child(n+6) {
    display: none;
  }

  .os-show-tab-materiais .data-table thead th:last-child,
  .os-show-tab-materiais .data-table tbody td:last-child {
    display: table-cell;
  }

  /* Wizard criar OS: 4 passos confortáveis sem scroll horizontal */
  .ec-form-page--os-wizard .ec-form-page__grid {
    grid-template-columns: 1fr;
    max-width: 900px;
    margin: 0 auto;
  }

  .ec-form-page--os-wizard .ec-form-grid {
    grid-template-columns: 1fr;
  }

  .ec-form-page--os-wizard .ec-form-field--span-2 {
    grid-column: span 1;
  }

  /* Fase 3 DoD: Nenhum scroll horizontal involuntário */
  .main-content,
  .page-content,
  .ec-page,
  .card,
  .table-wrap {
    overflow-x: hidden;
  }

  .table-wrap.table-scroll {
    overflow-x: auto;
  }

  .ec-form-grid,
  .ec-form-page__grid {
    min-width: 0;
  }

  .db-kpi-row,
  .db-fin-row,
  .db-chart-row {
    min-width: 0;
  }

  /* Fase 3 DoD: Header+toolbar ≤2 linhas em 1280px */
  .page-header {
    flex-wrap: wrap;
    gap: 8px;
  }

  .page-header__main {
    flex: 1 1 100%;
    min-width: 0;
  }

  .page-header__actions {
    flex: 0 0 auto;
    flex-wrap: wrap;
    gap: 6px;
  }

  .topbar__title-block {
    min-width: 0;
    flex: 1;
  }

  .topbar__title-block h1 {
    font-size: 18px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  /* Fase 3 DoD: Settings navegável sem perder contexto */
  .settings-layout {
    grid-template-columns: minmax(180px, 220px) 1fr;
    gap: 16px;
  }

  .settings-nav {
    padding: 10px;
  }

  .settings-nav a {
    padding: 6px 10px;
    font-size: var(--ec-text-sm);
  }

  .settings-nav__title,
  .settings-nav__group-title {
    padding: 0 6px;
  }
}

/* ═══ Perfil D — desktop ≥1366px ═══ */
.ec-viewport-d-only {
  display: none;
}

@media (min-width: 1366px) {
  .ec-viewport-d-only {
    display: block;
  }

  /* Fase 4 - Desktop: Polimento final */
  .settings-layout {
    grid-template-columns: minmax(200px, 240px) 1fr;
    gap: 24px;
  }

  .settings-nav {
    padding: 14px;
  }

  .settings-nav a {
    padding: 8px 12px;
    font-size: var(--ec-font-size-nav);
  }

  .settings-nav__title,
  .settings-nav__group-title {
    padding: 0 8px;
  }
}