/* ============================================================================
   GLS ERP · Design system · layout.css
   Shell: sidebar oscura + topbar blanca (escritorio), drawer + mobile-tabs
   (≤980px), variante portal del cliente, login y páginas de error.
   ============================================================================ */

/* Estructura ----------------------------------------------------------------- */
.app { display: flex; min-height: 100dvh; }
.app-body { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.workspace .app-body { margin-left: var(--sidebar-width); transition: margin var(--t-base); }
.app-main, main.app-main { width: 100%; max-width: var(--content-max); margin: 0 auto; padding: var(--sp-6) var(--sp-10) var(--sp-10); min-width: 0; }
.app-main > .message:first-child, .app-main > .messages:first-child { margin-top: 0; }
body:not(.workspace) .app-body { margin-left: 0; }
body:not(.workspace) .app-main { padding-top: var(--sp-8); }

/* Sidebar -------------------------------------------------------------------- */
.sidebar, .app-menu {
  position: fixed; inset: 0 auto 0 0; z-index: 50;
  display: flex; flex-direction: column; width: var(--sidebar-width);
  background: var(--sidebar-bg); color: var(--sidebar-text);
  transition: transform var(--t-base), width var(--t-base);
}
.sidebar__brand { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-2); min-height: var(--topbar-height); padding: 0 var(--sp-4) 0 var(--sp-5); border-bottom: 1px solid var(--sidebar-border); }
.brand { display: inline-flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; min-width: 0; }
.brand img, .brand svg { display: block; height: 36px; width: auto; }
.brand--symbol img { height: 32px; }
.brand .brand__symbol { display: none; }
.sidebar__close { display: none; }
.menu-panel { display: flex; flex-direction: column; flex: 1; min-height: 0; }
.sidebar__search, .global-search { padding: var(--sp-3) var(--sp-3) var(--sp-2); }
.global-search { display: flex; align-items: center; gap: 0; position: relative; margin: 0; }
.global-search .icon { position: absolute; left: calc(var(--sp-3) + 10px); color: var(--sidebar-text-2); pointer-events: none; }
.global-search input { width: 100%; min-height: 38px; padding: 7px 10px 7px 36px; border: 1px solid var(--sidebar-border); border-radius: var(--radius-sm); background: rgba(255, 255, 255, .08); color: #fff; font-size: var(--fs-13); }
.global-search input::placeholder { color: var(--sidebar-text-2); }
.global-search input:focus { border-color: var(--blue-500); background: rgba(255, 255, 255, .14); box-shadow: 0 0 0 3px rgba(58, 134, 201, .35); }
.global-search kbd { position: absolute; right: calc(var(--sp-3) + 8px); border-color: var(--sidebar-border); background: transparent; color: var(--sidebar-text-2); font-size: 11px; min-width: 20px; }
.global-search button { position: absolute; right: var(--sp-3); top: var(--sp-3); width: 38px; height: 38px; border: 0; background: transparent; color: var(--sidebar-text-2); box-shadow: none; padding: 0; min-height: 0; }
.global-search:focus-within kbd { display: none; }
.menu-groups { flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; scrollbar-color: rgba(255, 255, 255, .25) transparent; padding: var(--sp-2) var(--sp-3) var(--sp-3); display: flex; flex-direction: column; gap: 2px; }
.nav-group { margin: 0; color: inherit; font-size: inherit; }
.nav-group > summary { display: flex; align-items: center; gap: 10px; min-height: 38px; padding: 6px 10px; border-radius: var(--radius-sm); color: var(--sidebar-text-2); font-size: var(--fs-12); font-weight: 600; letter-spacing: .06em; text-transform: uppercase; cursor: pointer; list-style: none; user-select: none; }
.nav-group > summary .icon { width: 18px; height: 18px; color: var(--sidebar-text-2); }
.nav-group > summary .nav-group__chevron { margin-left: auto; width: 16px; height: 16px; transition: transform var(--t-fast); }
.nav-group[open] > summary .nav-group__chevron { transform: rotate(90deg); }
.nav-group > summary:hover, .nav-group > summary:focus-visible { color: #fff; background: var(--sidebar-hover); }
.nav-group > summary:focus-visible { outline-color: #fff; }
.nav-group > a, .nav-item { position: relative; display: flex; align-items: center; gap: 10px; min-height: 36px; margin: 1px 0; padding: 7px 10px 7px 12px; border-radius: var(--radius-sm); color: var(--sidebar-text); font-size: var(--fs-14); font-weight: 500; text-decoration: none; transition: background var(--t-fast), color var(--t-fast); }
.nav-group > a .icon { width: 18px; height: 18px; flex: none; color: var(--sidebar-text-2); }
.nav-group > a:hover, .nav-group > a:focus-visible { color: #fff; background: var(--sidebar-hover); }
.nav-group > a:focus-visible { outline-color: #fff; }
.nav-group > a[aria-current="page"] { color: #fff; background: var(--sidebar-active); font-weight: 600; }
.nav-group > a[aria-current="page"]::before { content: ""; position: absolute; left: 0; top: 7px; bottom: 7px; width: 3px; border-radius: 0 3px 3px 0; background: var(--accent); }
.nav-group > a[aria-current="page"] .icon { color: #fff; }
.nav-group.has-current > summary { color: #fff; }
.nav-group > a .chip, .nav-group > a .badge-count { margin-left: auto; }
.nav-group > a .chip { min-height: 20px; padding: 1px 7px; font-size: 11px; }
.nav-group > a .chip--warning { background: var(--accent); color: #fff; }
.nav__label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Bloque de usuario (sidebar) */
.sidebar__user { padding: var(--sp-3); border-top: 1px solid var(--sidebar-border); }
.user-menu { position: relative; }
.user-menu > summary { display: flex; align-items: center; gap: 10px; width: 100%; min-height: 48px; padding: 6px 8px; border-radius: var(--radius-sm); color: var(--sidebar-text); cursor: pointer; list-style: none; }
.user-menu > summary:hover, .user-menu[open] > summary { background: var(--sidebar-hover); color: #fff; }
.user-menu > summary:focus-visible { outline-color: #fff; }
.user-menu .avatar { background: rgba(255, 255, 255, .16); color: #fff; }
.user-menu__name { flex: 1; min-width: 0; display: flex; flex-direction: column; line-height: 1.25; }
.user-menu__name strong { font-weight: 600; font-size: var(--fs-14); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.role-tag { display: block; color: var(--sidebar-text-2); font-size: var(--fs-12); font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-menu > summary > .icon { color: var(--sidebar-text-2); flex: none; }
.user-menu .dropdown__menu { right: 0; left: 0; top: auto; bottom: calc(100% + 6px); min-width: 0; }
.user-menu .dropdown__menu form { margin: 0; }
.logout { margin: 0; }

/* Topbar --------------------------------------------------------------------- */
.topbar { position: sticky; top: 0; z-index: 40; display: flex; align-items: center; gap: var(--sp-3); min-height: var(--topbar-height); padding: 0 var(--sp-6); background: var(--surface); border-bottom: 1px solid var(--border); }
.topbar__menu, .topbar__brand, .topbar__user { display: none; }
.topbar__crumbs { flex: 1; min-width: 0; display: flex; align-items: center; gap: 6px; }
.topbar__crumbs .breadcrumbs { margin: 0; }
.topbar__title { font-size: var(--fs-14); font-weight: 600; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: inline-flex; align-items: center; gap: 8px; }
.topbar__title .icon { color: var(--text-2); width: 18px; height: 18px; }
.topbar__actions { display: flex; align-items: center; gap: var(--sp-2); flex: none; }
.topbar__actions .page-actions { display: flex; align-items: center; gap: var(--sp-2); }
.topbar__actions .page-actions:empty { display: none; }
.topbar__bell { position: relative; }
.topbar__bell .badge-count { position: absolute; top: 4px; right: 2px; border: 2px solid var(--surface); box-sizing: content-box; min-width: 14px; height: 14px; font-size: 10px; }
.topbar__sep { width: 1px; height: 24px; background: var(--border); margin: 0 4px; }
.topbar__search { display: none; }

/* Overlay del drawer */
.sidebar-overlay { display: none; position: fixed; inset: 0; z-index: 45; background: rgba(13, 42, 71, .5); backdrop-filter: blur(1px); }

/* Mobile tabs (escondidas en escritorio) */
.mobile-tabs { display: none; }

/* Sidebar colapsada (escritorio, estado en localStorage) --------------------- */
@media (min-width: 981px) {
  .sidebar-collapsed .sidebar { width: var(--sidebar-collapsed-width); }
  .sidebar-collapsed .workspace .app-body { margin-left: var(--sidebar-collapsed-width); }
  .sidebar-collapsed .sidebar__brand { justify-content: center; padding: 0; }
  .sidebar-collapsed .brand img { display: none; }
  .sidebar-collapsed .brand .brand__symbol { display: block; height: 32px; }
  .sidebar-collapsed .global-search, .sidebar-collapsed .nav__label, .sidebar-collapsed .nav-group > a .chip, .sidebar-collapsed .nav-group > summary span, .sidebar-collapsed .nav-group__chevron, .sidebar-collapsed .user-menu__name, .sidebar-collapsed .user-menu > summary > .icon { display: none; }
  .sidebar-collapsed .nav-group { position: relative; }
  .sidebar-collapsed .nav-group + .nav-group { margin-top: 4px; padding-top: 4px; border-top: 1px solid var(--sidebar-border); }
  .sidebar-collapsed .nav-group > summary .icon { color: var(--accent); opacity: .9; }
  .sidebar-collapsed .nav-group > summary { justify-content: center; padding: 8px; }
  .sidebar-collapsed .nav-group > summary .icon { width: 20px; height: 20px; }
  .sidebar-collapsed .nav-group > a { justify-content: center; padding: 8px; }
  .sidebar-collapsed .nav-group > a .icon { width: 20px; height: 20px; }
  .sidebar-collapsed .nav-group > a[aria-current="page"] .badge-count { position: absolute; top: 4px; right: 6px; }
  .sidebar-collapsed .user-menu > summary { justify-content: center; padding: 6px 0; }
  .sidebar-collapsed .user-menu .dropdown__menu { left: 100%; right: auto; bottom: 0; margin-left: 8px; min-width: 220px; }
  .sidebar-collapsed .sidebar__user { padding: var(--sp-2); }
  .sidebar-collapsed .nav-group > a[title]:hover::after { content: attr(title); position: absolute; left: calc(100% + 8px); top: 50%; transform: translateY(-50%); z-index: 70; padding: 6px 10px; border-radius: 6px; background: var(--blue-950); color: #fff; font-size: var(--fs-12); font-weight: 500; white-space: nowrap; box-shadow: var(--shadow-lg); }
  .sidebar__collapse { display: inline-flex; color: var(--sidebar-text-2); }
  .sidebar__collapse:hover { background: var(--sidebar-hover); color: #fff; }
  .sidebar-collapsed .sidebar__collapse { position: absolute; right: -14px; top: 14px; width: 28px; min-width: 28px; height: 28px; background: var(--surface); color: var(--text-2); border: 1px solid var(--border); border-radius: 50%; box-shadow: var(--shadow-sm); }
  .sidebar-collapsed .sidebar__collapse .icon { transform: rotate(180deg); }
  .sidebar-collapsed .sidebar__collapse:hover { background: var(--surface-2); color: var(--text); }
}
@media (max-width: 980px) { .sidebar__collapse { display: none; } }

/* Shell móvil (≤980px): drawer + topbar compacta + mobile-tabs --------------- */
@media (max-width: 980px) {
  .workspace .app-body { margin-left: 0; }
  .app-main { padding: var(--sp-4) var(--sp-4) calc(var(--sp-6) + 72px + env(safe-area-inset-bottom)); }
  .sidebar, .app-menu { transform: translateX(-100%); width: min(86vw, 320px); box-shadow: none; visibility: hidden; transition: transform var(--t-base), visibility 0s linear var(--t-base); }
  .sidebar.is-open { transform: none; visibility: visible; box-shadow: var(--shadow-xl); transition: transform var(--t-base), visibility 0s; }
  .sidebar-open .sidebar-overlay { display: block; animation: fade-in var(--t-base); }
  .sidebar-open { overflow: hidden; }
  .sidebar__close { display: inline-flex; color: var(--sidebar-text); }
  .sidebar__close:hover { background: var(--sidebar-hover); color: #fff; }
  .sidebar__brand .brand img { height: 32px; }
  .topbar { padding: 0 var(--sp-3) 0 var(--sp-2); gap: var(--sp-1); }
  .topbar__menu { display: inline-flex; width: var(--touch); min-width: var(--touch); height: var(--touch); color: var(--text); }
  .topbar__brand { display: inline-flex; flex: 1; min-width: 0; align-items: center; }
  .topbar__brand img { height: 30px; width: auto; display: block; }
  .topbar__crumbs { display: none; }
  .topbar__user { display: inline-flex; }
  .topbar__sep { display: none; }
  .topbar__actions .page-actions { display: none; }
  .topbar__bell, .topbar__user { width: var(--touch); min-width: var(--touch); height: var(--touch); }
  .page-actions--mobile { display: flex; flex-wrap: wrap; gap: var(--sp-2); margin: 0 0 var(--sp-4); }
  .page-actions--mobile:empty { display: none; }
  .nav-group > a, .nav-group > summary { min-height: var(--touch); }
  .mobile-tabs { position: fixed; inset: auto 0 0; z-index: 35; display: flex; justify-content: space-around; gap: 2px; padding: 6px 6px calc(6px + env(safe-area-inset-bottom)); border-top: 1px solid var(--border); background: rgba(255, 255, 255, .96); backdrop-filter: blur(12px); box-shadow: 0 -4px 16px rgba(16, 24, 40, .06); }
  .mobile-tabs a { position: relative; display: flex; flex: 1; flex-direction: column; align-items: center; justify-content: center; gap: 2px; min-width: 0; min-height: var(--touch); padding: 4px 2px; border-radius: var(--radius-sm); color: var(--text-2); font-size: 11px; font-weight: 500; line-height: 1.1; text-align: center; text-decoration: none; }
  .mobile-tabs a .icon { width: 22px; height: 22px; }
  .mobile-tabs a span:not(.badge-count) { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100%; }
  .mobile-tabs a[aria-current="page"] { color: var(--brand); font-weight: 600; }
  .mobile-tabs a[aria-current="page"]::before { content: ""; position: absolute; top: -7px; left: 20%; right: 20%; height: 2px; border-radius: 0 0 2px 2px; background: var(--accent); }
  .mobile-tabs .badge-count { position: absolute; top: 2px; left: calc(50% + 4px); }
}
@media (min-width: 981px) { .page-actions--mobile { display: none; } }
@media (max-width: 680px) { .app-main { padding-left: var(--sp-4); padding-right: var(--sp-4); } }

/* Portal del cliente: shell claro y corporativo ------------------------------ */
.portal-workspace .sidebar, .portal-workspace .app-menu { background: var(--surface); color: var(--text); border-right: 1px solid var(--border); --sidebar-text: var(--text); --sidebar-text-2: var(--text-2); --sidebar-hover: var(--surface-3); --sidebar-active: var(--blue-50); --sidebar-border: var(--border); }
.portal-workspace .nav-group > a[aria-current="page"] { color: var(--brand); }
.portal-workspace .nav-group > a[aria-current="page"] .icon { color: var(--brand); }
.portal-workspace .nav-group > a:hover, .portal-workspace .nav-group > summary:hover, .portal-workspace .user-menu > summary:hover, .portal-workspace .user-menu[open] > summary { color: var(--text); }
.portal-workspace .nav-group > a .chip--warning { background: var(--accent); color: #fff; }
.portal-workspace .global-search input { background: var(--surface-2); color: var(--text); border-color: var(--border-strong); }
.portal-workspace .global-search input::placeholder, .portal-workspace .global-search .icon, .portal-workspace .global-search kbd { color: var(--text-3); }
.portal-workspace .user-menu .avatar { background: var(--blue-100); color: var(--blue-800); }
.portal-workspace .nav-group > summary { display: none; }
.portal-workspace .nav-group > a { padding-left: 12px; }
.portal-workspace .sidebar__close, .portal-workspace .sidebar__collapse { color: var(--text-2); }
.portal-workspace .nav-group > a:focus-visible, .portal-workspace .nav-group > summary:focus-visible, .portal-workspace .user-menu > summary:focus-visible { outline-color: var(--focus-ring-color); }
.portal-workspace .topbar__title::before { content: "Portal de clientes"; color: var(--text-3); font-weight: 500; margin-right: 8px; }
.portal-workspace .sidebar__brand { padding-left: var(--sp-4); }

/* Login ------------------------------------------------------------------------ */
.login-page { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); min-height: 100dvh; }
.login-hero { position: relative; display: flex; flex-direction: column; justify-content: space-between; gap: var(--sp-8); padding: var(--sp-10); background: var(--sidebar-bg); color: #fff; overflow: hidden; }
.login-hero::after { content: ""; position: absolute; right: -120px; bottom: -160px; width: 520px; height: 520px; border-radius: 50%; border: 90px solid rgba(255, 255, 255, .04); pointer-events: none; }
.login-hero__brand img { height: 44px; width: auto; display: block; }
.login-hero__symbol { width: min(46%, 260px); height: auto; margin: auto 0; align-self: center; filter: drop-shadow(0 12px 32px rgba(0, 0, 0, .25)); }
.login-hero__claim { font-size: var(--fs-22); font-weight: 600; line-height: 1.3; letter-spacing: -.01em; max-width: 24ch; }
.login-hero__claim small { display: block; margin-top: var(--sp-3); color: var(--sidebar-text-2); font-size: var(--fs-14); font-weight: 400; }
.login-form-col { display: flex; align-items: center; justify-content: center; padding: var(--sp-8) var(--sp-5); background: var(--bg); }
.login-card { width: min(100%, 440px); padding: var(--sp-8); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); margin: 0; }
.login-card .brand { display: none; margin-bottom: var(--sp-6); }
.login-card h1 { font-size: var(--fs-22); margin: 0 0 4px; }
.login-intro { margin: 0 0 var(--sp-6); color: var(--text-2); }
.login-card form { display: grid; gap: var(--sp-4); }
.login-card form button { width: 100%; margin-top: var(--sp-1); }
.login-card .errorlist.nonfield { margin: 0; }
.login-footer { margin-top: var(--sp-6); padding-top: var(--sp-4); border-top: 1px solid var(--border); color: var(--text-2); font-size: var(--fs-13); }
.login-footer a { font-weight: 500; }
@media (max-width: 900px) {
  .login-page { grid-template-columns: 1fr; }
  .login-hero { display: none; }
  .login-form-col { align-items: flex-start; padding: var(--sp-6) var(--sp-4); }
  .login-card { padding: var(--sp-6) var(--sp-5); }
  .login-card .brand { display: inline-flex; }
  .login-card .brand img { height: 40px; }
}

/* Páginas de error con marca --------------------------------------------------- */
.error-page { max-width: 560px; margin: var(--sp-10) auto; padding: var(--sp-10) var(--sp-6); text-align: center; }
.error-page .error-page__symbol { width: 72px; height: 72px; margin: 0 auto var(--sp-5); opacity: .95; }
.error-page__code { display: inline-block; margin-bottom: var(--sp-3); padding: 2px 10px; border-radius: var(--radius-pill); background: var(--surface-3); color: var(--text-2); font-size: var(--fs-12); font-weight: 700; letter-spacing: .08em; }
.error-page h1 { font-size: var(--fs-22); margin-bottom: var(--sp-2); }
.error-page p { color: var(--text-2); max-width: 44ch; margin: 0 auto var(--sp-3); }
.error-page .quick-actions { justify-content: center; margin: var(--sp-5) 0 0; }
body:not(.workspace) .error-page { margin-top: 10vh; }

/* Storybook /help/ui/ ------------------------------------------------------------ */
.ds-section { margin-bottom: var(--sp-8); }
.ds-section > h2 { display: flex; align-items: baseline; gap: var(--sp-3); padding-bottom: var(--sp-2); border-bottom: 1px solid var(--border); font-size: var(--fs-18); }
.ds-section > h2 code { font-size: var(--fs-12); font-weight: 500; }
.ds-row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-3); margin: var(--sp-3) 0; }
.ds-swatches { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: var(--sp-3); }
.ds-swatch { border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; background: var(--surface); font-size: var(--fs-12); }
.ds-swatch i { display: block; height: 56px; }
.ds-c-0d2a47 { background: #0d2a47; } .ds-c-184878 { background: #184878; } .ds-c-1b2430 { background: #1b2430; } .ds-c-1f8a5b { background: #1f8a5b; } .ds-c-2a6fb0 { background: #2a6fb0; } .ds-c-5b6673 { background: #5b6673; } .ds-c-a82424 { background: #a82424; } .ds-c-b7791f { background: #b7791f; } .ds-c-cc543c { background: #cc543c; } .ds-c-dbe8f5 { background: #dbe8f5; } .ds-c-e2e5ea { background: #e2e5ea; } .ds-c-f3f4f6 { background: #f3f4f6; }
.ds-swatch span { display: block; padding: 6px 8px; }
.ds-swatch code { background: none; padding: 0; color: var(--text-2); }
.ds-icons { display: grid; grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); gap: var(--sp-2); }
.ds-icons div { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: var(--sp-3) var(--sp-2); border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); font-size: 11px; color: var(--text-2); text-align: center; overflow-wrap: anywhere; }
.ds-icons .icon { width: 22px; height: 22px; color: var(--text); }
.ds-type p { margin: 4px 0; }
.ds-nav { position: sticky; top: calc(var(--topbar-height) + var(--sp-4)); }