/* Apple Design experiment. A presentation layer over the existing RMP app.
   No framework, API, authentication or deployment changes. System typography,
   functional materials and progressive disclosure; not an Apple brand clone. */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --bg: #17181b;
  --surface: #222327;
  --surface-raised: #292a2f;
  --surface-muted: #303137;
  --surface-hover: #393b43;
  --text: #f5f5f7;
  --muted: #b6b8c2;
  --subtle: #a0a3af;
  --line: #383940;
  --line-strong: #51535d;
  --primary: #76adff;
  --primary-hover: #a3c8ff;
  --on-primary: #10213c;
  --accent: var(--primary);
  --ring: var(--primary);
  --ok: #6dd69a;
  --warning: #f7c96a;
  --critical: #ff8790;
  --info: #88b7ff;
  --row-hover: #2b303a;
  --backdrop: rgb(0 0 0 / 42%);
  --chrome: rgb(36 37 42 / 91%);
  --sidebar-material: rgb(30 31 35 / 94%);
  --selection: #283b58;
  --shadow-sm: 0 1px 3px rgb(0 0 0 / 8%);
  --shadow-md: 0 8px 28px rgb(0 0 0 / 16%);
  --shadow-lg: 0 24px 80px rgb(0 0 0 / 32%);
  --radius-sm: 10px;
  --radius: 12px;
  --radius-lg: 20px;
  --panel-gradient: none;
  --panel-glow: none;
  font-optical-sizing: auto;
}

:root[data-theme="light"] {
  --bg: #f5f5f7;
  --surface: #fff;
  --surface-raised: #f7f8fa;
  --surface-muted: #eef0f4;
  --surface-hover: #e7eaf0;
  --text: #202127;
  --muted: #606572;
  --subtle: #6c707d;
  --line: #e4e6eb;
  --line-strong: #c9ced8;
  --primary: #0064d9;
  --primary-hover: #0053b6;
  --on-primary: #fff;
  --accent: var(--primary);
  --ring: var(--primary);
  --ok: #187747;
  --warning: #8d5e0d;
  --critical: #bf3546;
  --info: #285ebc;
  --row-hover: #f1f6ff;
  --backdrop: rgb(28 34 48 / 25%);
  --chrome: rgb(255 255 255 / 89%);
  --sidebar-material: rgb(237 239 244 / 94%);
  --selection: #ddeaff;
  --shadow-sm: 0 2px 5px rgb(30 40 60 / 3%);
  --shadow-md: 0 8px 28px rgb(30 40 60 / 7%);
  --shadow-lg: 0 24px 80px rgb(30 40 60 / 19%);
  --panel-gradient: none;
  --panel-glow: none;
}

body { background: var(--bg); font-size: .9375rem; letter-spacing: -.008em; }
::selection { background: var(--selection); color: var(--text); }
.app-shell { grid-template-columns: 248px minmax(0, 1fr); transition: none; }
.sidebar, :root[data-theme="light"] .sidebar {
  padding: 22px 16px;
  gap: 24px;
  background: var(--sidebar-material);
  backdrop-filter: blur(24px) saturate(130%);
  -webkit-backdrop-filter: blur(24px) saturate(130%);
}
.sidebar-brand-row { padding-inline: 10px; }
.brand-wordmark { font-size: 1.25rem; letter-spacing: -.04em; }
.brand-mark { width: 30px; }
.sidebar-version { font-family: var(--font-sans); font-size: .625rem; }
.sidebar-navigation-tools { gap: 5px; border: 0; padding-bottom: 0; }
.navigation-search-field { background: var(--surface); border-color: var(--line); }
.navigation-search-input { font-family: var(--font-sans); font-size: .8125rem; }
.sidebar-toggle { border: 0; background: transparent; min-width: 32px; }
.sidebar-nav-heading { font: 600 .6875rem/1.4 var(--font-sans); letter-spacing: .02em; text-transform: none; }
.nav { gap: 3px; }
.nav-item, .section-nav-link {
  font-family: var(--font-sans);
  font-size: .875rem;
  letter-spacing: 0;
  text-transform: none;
  color: var(--muted);
  border: 0;
  border-radius: 10px;
}
.nav-item { gap: 12px; padding-inline: 12px; }
.nav-icon { width: 19px; height: 19px; }
.nav-item.is-active { background: var(--selection); color: var(--primary); font-weight: 600; }
.nav-item:hover:not(.is-active) { background: var(--surface-hover); }
.sidebar-section-group { padding-top: 24px; }
.section-nav-link { font-size: .8125rem; min-height: 44px; }
.workspace { padding: 0 clamp(22px, 3.3vw, 56px) 24px; gap: 0; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  min-height: 78px;
  margin: 0 calc(-1 * clamp(22px, 3.3vw, 56px));
  padding: 12px clamp(22px, 3.3vw, 56px);
  border: 0;
  border-radius: 0;
  background: var(--chrome);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  box-shadow: 0 8px 18px -16px rgb(0 0 0 / 24%);
}
.topbar-title { font: 500 .8125rem/1.4 var(--font-sans); color: var(--muted); letter-spacing: 0; }
.toolbar { gap: 12px; }
.auth-user .meta-chip { border: 0; background: transparent; font-size: .8125rem; }
#logout { border-color: var(--line); color: var(--muted); background: var(--surface); font-weight: 500; }
.language-picker-trigger { border-color: transparent; background: transparent; font-family: var(--font-sans); }
.page-header, .dashboard-page-header {
  padding: 36px 0 30px;
  gap: 18px;
  align-items: center;
}
.page-header-icon, .dashboard-page-header .page-header-icon {
  width: 52px; height: 52px; border-radius: 16px;
  background: var(--surface); box-shadow: var(--shadow-sm); color: var(--primary);
}
.page-header-text h1 { font-size: clamp(1.75rem, 2.6vw, 2.25rem); font-weight: 700; line-height: 1.15; letter-spacing: -.035em; }
.page-description { margin: 8px 0 0; font-size: .875rem; line-height: 1.6; }
h2, .panel-header h2 { font-size: 1.0625rem; letter-spacing: -.015em; }
.panel, :root[data-theme="light"] .panel {
  background: var(--surface); border-color: var(--line); box-shadow: var(--shadow-sm);
  transition: none;
}
.panel:hover { transform: none; box-shadow: var(--shadow-sm); border-color: var(--line); }
.table-panel .panel-header { padding: 24px 24px 8px; }
.panel-meta { font-family: var(--font-sans); font-size: .8125rem; line-height: 1.6; overflow-wrap: anywhere; }
.filter-bar { padding: 12px 24px 20px; border: 0; background: none; gap: 12px; }
.filter-bar-group:last-child { flex: 1; justify-content: flex-end; }
#sitesFilter { width: min(100%, 340px); font-family: var(--font-sans); }
.inventory-detail-toggle {
  display: inline-flex; align-items: center; gap: 8px; min-height: 44px;
  color: var(--muted); font-size: .8125rem; cursor: pointer;
}
.inventory-detail-toggle input { width: 17px; height: 17px; accent-color: var(--primary); }
/* Network/routing detail is one explicit step deeper, never removed. */
#sites-directory:not(:has(#sitesNetworkDetails:checked)) :is(th, td):is(:nth-child(4), :nth-child(5), :nth-child(6)) { display: none; }
table { font-family: var(--font-sans); font-size: .8125rem; }
th { font-weight: 500; text-transform: none; letter-spacing: 0; background: var(--surface-raised); }
th, td { padding: 16px; }
#sites-directory td { height: 78px; }
#sites-directory td:first-child { padding-left: 24px; }
#sites-directory td:last-child { padding-right: 24px; }
.site-name-link {
  display: inline-flex; align-items: center; min-height: 44px;
  padding: 0; border: 0; background: none; color: var(--primary);
  font: 600 .875rem/1.4 var(--font-sans); text-align: left; cursor: pointer;
}
.site-name-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.site-name-link:active { opacity: .65; }
.status-pill { font: 500 .75rem/1.4 var(--font-sans); text-transform: none; letter-spacing: 0; padding: 5px 9px; }
/* Badges communicate through their label and colour, without decorative dots. */
.status-pill::before, .location-badge::before { content: none; display: none; }
.table-pagination { padding: 16px 24px; color: var(--muted); }
.pagination-page-size, .pagination-page-size-control { font-family: var(--font-sans); font-size: .75rem; letter-spacing: 0; text-transform: none; }
.button { font-size: .8125rem; font-weight: 600; box-shadow: none; border-radius: 10px; }
.button-small { min-height: 40px; font-size: .8125rem; }
.button-secondary, .button-icon { background: var(--surface-raised); color: var(--text); border-color: var(--line); }
.button:hover { transform: none; box-shadow: none; }
/* Feedback starts on pointer-down. Release is short and input never locks. */
.button:active:not(:disabled), .nav-item:active, .access-method-card:active { transform: scale(.98); transition: none; }
.button .button-action-icon { transition: none; }
.button:hover .button-action-icon, .action-menu-item:hover .button-action-icon { transform: none; }
.button-danger, .button-danger[type="submit"] { background: transparent; color: var(--critical); border-color: var(--line); }
.button-danger:hover, .button-danger[type="submit"]:hover { background: var(--surface-muted); color: var(--critical); }
.action-menu-trigger { min-width: 44px; min-height: 44px; background: transparent; }
.action-menu-list, .language-picker-panel {
  padding: 7px; border-color: var(--line);
  background: var(--chrome); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  box-shadow: var(--shadow-lg); border-radius: 14px;
}
.action-menu-item { min-height: 44px; font-family: var(--font-sans); font-size: .8125rem; }
.action-menu-list { right: auto; max-width: calc(100vw - 16px); max-height: calc(100dvh - 16px); overflow-y: auto; }
.action-menu-item:hover, .action-menu-item:focus-visible { background: var(--selection); color: var(--primary); }
.input, .select { font-size: .875rem; background: var(--surface-raised); border-color: var(--line-strong); box-shadow: none; }
.input:focus, .select:focus { border-color: var(--ring); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ring) 15%, transparent); }
.form-field span, .stack-form label, .access-method-picker legend {
  font-family: var(--font-sans); font-size: .8125rem; font-weight: 500;
  color: var(--text); letter-spacing: 0; text-transform: none;
}
.form-field .field-hint { font-size: .75rem; font-weight: 400; color: var(--muted); }
.modal { border-radius: 22px; }
.modal::backdrop { background: var(--backdrop); backdrop-filter: blur(5px); }
.modal-card { padding: 28px; gap: 22px; border-color: var(--line); border-radius: 22px; }
.modal[open] .modal-card { animation: none; }
.modal-header { padding-bottom: 18px; }
.modal-header h2 { font-size: 1.5rem; letter-spacing: -.03em; }
.modal-actions {
  position: sticky; bottom: -28px; z-index: 2;
  margin: 0 -28px -28px; padding: 18px 28px;
  border-top: 1px solid var(--line); background: var(--chrome);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
}
.modal-actions .button:not([type="submit"]):not(.button-danger) { color: var(--text); background: var(--surface-raised); border-color: var(--line); }
#siteForm { gap: 20px; }
.advanced-fields { border-radius: 12px; background: var(--surface-raised); padding: 10px 14px; }
.advanced-fields summary { width: 100%; min-height: 24px; line-height: 24px; }
.advanced-fields[open] { border: 1px solid var(--line); padding: 14px; }
.access-method-picker { border: 0; padding: 0; gap: 14px; }
.access-method-picker legend { padding: 0 0 10px; }
.access-method-card { background: var(--surface-raised); padding: 16px; border-radius: 14px; box-shadow: none; }
.access-method-card-title { font-size: .8125rem; }
.access-method-card:has(input:checked) { background: var(--selection); border-color: var(--primary); box-shadow: inset 0 0 0 1px var(--primary); }
.access-topology { background: var(--surface-raised); border-color: var(--line); }
.access-guide .access-topology { margin-block: 16px; }
#siteRealNetworks { min-height: 76px; }
.access-topology-link { animation: none; }
.access-topology-node rect { fill: var(--surface); stroke: var(--line-strong); }
.access-topology-node text { font-family: var(--font-sans); }
.kpi-card { border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-sm); }
.kpi-card::before { display: none; }
.kpi-value { font-family: var(--font-sans); font-weight: 600; letter-spacing: -.04em; }
.kpi-label { font-family: var(--font-sans); text-transform: none; letter-spacing: 0; }
.view.is-visible, .reveal-item { animation: none; opacity: 1; transform: none; transition: none; }
.app-footer { font-family: var(--font-sans); font-size: .6875rem; letter-spacing: 0; opacity: 1; }
.login-card { border-radius: 24px; background: var(--surface); box-shadow: var(--shadow-lg); }
.login-card::before { display: none; }
.login-card p { line-height: 1.6; }
.section-anchor { scroll-margin-top: 100px; }
.service-selection-hint { margin: 0; padding: 8px 24px 28px; color: var(--muted); line-height: 1.6; }
#sites-services:has(#serviceHostsTable > tr) .service-selection-hint { display: none; }
#sites-services:not(:has(#serviceHostsTable > tr)) :is(.table-wrap, .table-pagination, #siteServicesMeta) { display: none; }
.section-nav-link.is-active { color: var(--primary); background: var(--selection); border-color: transparent; }
.topbar { align-items: center; }
.auth-user .meta-chip, .pagination-summary, .pagination-indicator { font-family: var(--font-sans); }
.page-header-icon svg { width: 28px; height: 28px; }

@media (max-width: 1100px) {
  .topbar-title { max-width: 130px; }
  .toolbar { gap: 6px; }
  .auth-user .meta-chip { padding-inline: 0; }
}
@media (max-width: 980px) {
  .app-shell, .app-shell.sidebar-is-collapsed { display: block; }
  .sidebar, .sidebar-is-collapsed .sidebar { position: relative; height: auto; padding: 14px 20px; gap: 8px 18px; }
  .sidebar-brand-row { padding: 0; }
  .sidebar-primary-group { border: 0; padding-top: 0; }
  .sidebar-navigation-tools { padding: 0; }
  .sidebar-section-group { padding: 0; }
  .section-nav { padding-top: 2px; }
  .section-nav-link, .sidebar-is-collapsed .section-nav-link { min-height: 44px; }
  .topbar { position: relative; min-height: 66px; }
  .page-header { padding: 28px 0 24px; }
  .section-anchor { scroll-margin-top: 20px; }
}
@media (max-width: 680px) {
  .sidebar, .sidebar-is-collapsed .sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 12px; padding: 10px 16px; }
  .sidebar-brand-row, .brand { min-height: 44px; }
  .sidebar-version { display: none; }
  .sidebar-navigation-tools { width: 100%; min-width: 0; }
  .navigation-search-field, .sidebar-is-collapsed .navigation-search-field { min-width: 0; }
  .sidebar-primary-group, .sidebar-section-group { grid-column: 1 / -1; min-width: 0; }
  .nav { padding-top: 0; }
  .section-nav { padding: 0; }
  .section-nav-link, .sidebar-is-collapsed .section-nav-link { padding: 7px 10px; }
  .workspace { padding: 0 16px 20px; }
  .topbar { margin: 0 -16px; padding: 12px 16px; gap: 8px; }
  .topbar-title { display: none; }
  .toolbar { display: flex; width: 100%; justify-content: space-between; gap: 8px; }
  .auth-user { width: 100%; justify-content: space-between; }
  .page-header { grid-template-columns: auto minmax(0, 1fr); grid-template-areas: "icon text" "actions actions"; gap: 12px; }
  .page-header-actions { margin-top: 4px; }
  .page-header-actions .button { width: 100%; }
  .page-header-text h1 { font-size: 1.75rem; }
  .page-header-icon { width: 44px; height: 44px; }
  .filter-bar { padding: 12px 16px 16px; flex-direction: column-reverse; align-items: stretch; }
  .filter-bar-group, .filter-bar-group:last-child, #sitesFilter { width: 100%; }
  .table-panel .panel-header { padding: 20px 16px 8px; }
  .modal { width: calc(100vw - 16px); max-height: calc(100dvh - 16px); }
  .modal-card { padding: 20px; max-height: calc(100dvh - 24px); gap: 18px; }
  .modal-actions { bottom: -20px; margin: 0 -20px -20px; padding: 14px 20px; }
  .access-method-grid { grid-template-columns: 1fr; }
  .access-method-card { grid-template-columns: 18px 1fr; column-gap: 12px; padding: 14px; }
  .access-method-card input { grid-row: 1 / 3; align-self: center; }
  .access-method-card-copy { grid-column: 2; }
  .field-with-action { grid-template-columns: 1fr; }
  .button-small { min-height: 44px; }
  #sites-directory :is(th, td):last-child { position: sticky; right: 0; background: var(--surface); box-shadow: -8px 0 14px -12px rgb(0 0 0 / 30%); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .button:active:not(:disabled), .nav-item:active, .access-method-card:active { transform: none; opacity: .72; }
}
@media (prefers-reduced-transparency: reduce) {
  :root { --chrome: var(--surface); --sidebar-material: var(--surface-raised); }
  :root[data-theme="light"] { --chrome: var(--surface); --sidebar-material: var(--surface-muted); }
  *, *::before, *::after { backdrop-filter: none !important; -webkit-backdrop-filter: none !important; }
}
@media (prefers-contrast: more) {
  :root { --line: #777b87; --line-strong: #969aa6; --muted: #e0e1e6; --subtle: #d0d2dc; }
  :root[data-theme="light"] { --line: #8d939e; --line-strong: #686e79; --muted: #303640; --subtle: #404753; }
  :focus-visible { outline-width: 3px; }
}