/* ALVA-FMS components. Every visual value comes from tokens.css. */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: var(--type-m2); color: var(--text-primary); background: var(--bg-neutral-secondary); }
body.is-public { background: var(--bg-neutral-primary); }
img { max-width: 100%; }
h1, h2, h3, p, dl, dd, ol, ul { margin: 0; }
a { color: var(--text-link-aa); }
a:hover { text-decoration: underline; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; }
:focus-visible { outline: 3px solid var(--border-brand-primary); outline-offset: 2px; box-shadow: 0 0 0 1px var(--text-primary); }
.gtm-frame { display: none; visibility: hidden; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: var(--space-4); top: -100px; z-index: 2000; padding: var(--space-3) var(--space-4); background: var(--bg-neutral-primary); color: var(--text-primary); border-radius: var(--radius-md); box-shadow: var(--shadow-300); }
.skip-link:focus { top: var(--space-4); }
.text-secondary { color: var(--text-secondary); }
.text-brand { color: var(--text-brand-primary); }
.eyebrow { font: var(--type-m4-bold); color: var(--text-secondary); text-transform: uppercase; letter-spacing: var(--tracking-h5); }

/* Icons: design-system SVGs used as masks so they follow currentColor */
.icon { display: inline-block; flex: none; width: 24px; height: 24px; background-color: currentColor; -webkit-mask: var(--icon) center / 24px no-repeat; mask: var(--icon) center / 24px no-repeat; }
.icon--position { --icon: url("/static/img/icon-position.svg"); }
.icon--reports { --icon: url("/static/img/icon-reports.svg"); }
.icon--group { --icon: url("/static/img/icon-group.svg"); }

/* App shell: Power Black sidebar on Backend/Standard grid */
.shell { display: grid; grid-template-columns: 248px minmax(0, 1fr); min-height: 100vh; }
.sidebar { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; gap: var(--space-6); padding: var(--space-6) var(--space-4); background: var(--bg-brand-dark); color: var(--text-inverse); }
.brand { display: flex; align-items: center; gap: var(--space-3); padding: 0 var(--space-2); color: var(--text-inverse); text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand__logo { width: 32px; height: 32px; }
.brand__name { font: var(--type-m1); font-weight: var(--weight-bold); letter-spacing: var(--tracking-heading); }
.env-badge { display: inline-flex; align-items: center; height: 20px; padding: 0 var(--space-2); border-radius: var(--radius-sm); background: var(--bg-brand-primary); color: var(--text-primary); font: var(--type-m4-bold); }
.nav { display: flex; flex-direction: column; gap: var(--space-1); flex: 1; }
.nav__section { margin: var(--space-4) var(--space-3) var(--space-2); font: var(--type-m4-bold); color: var(--text-tertiary); text-transform: uppercase; letter-spacing: var(--tracking-h5); }
.nav__section:first-child { margin-top: 0; }
.nav__item { position: relative; display: flex; align-items: center; gap: var(--space-3); min-height: var(--touch-target); padding: var(--space-2) var(--space-3); border-radius: var(--radius-md); color: var(--text-inverse); font: var(--type-m3-medium); text-decoration: none; }
.nav__item:hover { background: var(--overlay-inverse-hover); text-decoration: none; }
.nav__item.is-active { background: var(--overlay-inverse-hover); font-weight: var(--weight-bold); }
.nav__item.is-active::before { content: ""; position: absolute; left: 0; top: var(--space-2); bottom: var(--space-2); width: 3px; border-radius: var(--radius-full); background: var(--bg-brand-primary); }
.nav__item.is-active .icon { color: var(--text-brand-primary); }
.account { display: grid; gap: var(--space-3); padding-top: var(--space-4); border-top: 1px solid var(--bg-brand-dark-secondary); }
.account__profile { display: flex; align-items: center; gap: var(--space-3); min-height: var(--touch-target); padding: var(--space-2); border-radius: var(--radius-md); color: var(--text-inverse); text-decoration: none; }
.account__profile:hover, .account__profile.is-active { background: var(--overlay-inverse-hover); text-decoration: none; }
.account__text { display: grid; gap: 2px; min-width: 0; }
.account__name { font: var(--type-m3-bold); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.account__role { font: var(--type-m4); color: var(--text-tertiary); }
.avatar { display: inline-grid; place-items: center; flex: none; width: 36px; height: 36px; border-radius: var(--radius-full); background: var(--bg-brand-primary); color: var(--text-primary); font: var(--type-m4-bold); }
.avatar--lg { width: 56px; height: 56px; font: var(--type-m1); font-weight: var(--weight-bold); }
.workspace { width: 100%; max-width: calc(var(--content-max) + 2 * var(--page-margin)); margin: 0 auto; padding: var(--space-8) var(--page-margin); display: grid; gap: var(--space-6); align-content: start; }
.workspace--wide { max-width: none; }

/* Page header */
.page-header { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: var(--space-4); }
.page-title { font: var(--type-h4); letter-spacing: var(--tracking-h5); color: var(--text-primary); }
.page-title--vin { overflow-wrap: anywhere; }
.page-subtitle { margin-top: var(--space-2); font: var(--type-m3); color: var(--text-secondary); }

/* Auto-refresh controls */
.live-root { display: grid; gap: var(--space-6); }
.live-controls { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); }
.live-controls[hidden] { display: none; }
.live-controls__status { margin-right: var(--space-2); font: var(--type-m4); color: var(--text-secondary); }
.detail__toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-3); }
.detail__data-body { display: grid; gap: var(--space-6); }
.map-layout__list-body { display: flex; flex-direction: column; flex: 1; min-height: 0; gap: var(--space-3); }
.map-layout__list-body .card__header { margin-bottom: 0; }

/* Buttons: pill, 44px practical touch target */
.button { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); border: 1px solid transparent; border-radius: var(--radius-full); font: var(--type-m3-bold); text-decoration: none; white-space: nowrap; cursor: pointer; }
.button::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; min-height: var(--touch-target); height: 100%; transform: translateY(-50%); }
.button:hover { text-decoration: none; box-shadow: inset 0 0 0 999px var(--overlay-hover); }
.button:active { box-shadow: inset 0 0 0 999px var(--overlay-pressed); }
.button:focus-visible { box-shadow: 0 0 0 1px var(--text-primary); }
.button--xs { height: 24px; padding: 0 12px; font: var(--type-m4-bold); }
.button--sm { height: 32px; padding: 0 14px; }
.button--md { height: 36px; padding: 0 16px; }
.button--lg { height: 46px; padding: 0 20px; font: var(--type-m2-bold); }
.button--block { width: 100%; }
.button--primary { background: var(--button-primary-gradient-aa); color: var(--text-inverse); }
.button--secondary { background: var(--bg-neutral-primary); color: var(--text-primary); border-color: var(--text-primary); }
.button--ghost { background: transparent; color: var(--text-primary); }
.button--ghost-inverse { background: transparent; color: var(--text-inverse); border-color: var(--bg-brand-dark-secondary); }
.button--ghost-inverse:hover { box-shadow: inset 0 0 0 999px var(--overlay-inverse-hover); }
.button--danger { background: var(--bg-error-primary); color: var(--text-inverse); }
.link-button { min-height: var(--touch-target); padding: 0; border: 0; background: none; color: var(--text-link-aa); font: var(--type-m4-bold); text-decoration: underline; cursor: pointer; }

/* Forms: square fields, bold labels, helper/error text */
.form { display: grid; gap: var(--space-4); }
.form--inline { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); align-items: end; }
.form--row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); }
.form-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-6); }
.field { display: grid; gap: var(--space-2); }
.field__label { font: var(--type-m3-bold); color: var(--text-primary); }
.field__helper { margin-top: var(--space-3); font: var(--type-m4); color: var(--text-secondary); }
.input { width: 100%; height: var(--control-height); padding: 0 var(--space-3); border: 1px solid var(--border-neutral-primary); border-radius: var(--radius-none); background: var(--bg-neutral-primary); color: var(--text-primary); font: var(--type-m3); }
.input::placeholder { color: var(--text-tertiary); }
.input:focus-visible { outline: 3px solid var(--border-brand-primary); outline-offset: 0; }
.input--sm { width: auto; min-width: 160px; height: 32px; }
.checkbox { display: inline-flex; align-items: center; gap: var(--space-2); min-height: var(--touch-target); font: var(--type-m4); color: var(--text-secondary); }
.checkbox input { width: 18px; height: 18px; accent-color: var(--text-brand-secondary); }

/* Chips and status tags: 24px pill, semantic palette, never colour alone */
.chip { display: inline-flex; align-items: center; height: var(--chip-height); padding: 0 var(--space-2); border-radius: var(--radius-full); font: var(--type-m4-bold); white-space: nowrap; }
.chip--success { background: var(--bg-success-primary); color: var(--text-brand-secondary); }
.chip--warning { background: var(--bg-warning-secondary); color: var(--text-warning); }
.chip--error { background: var(--bg-error-secondary); color: var(--status-error-ink); }
.chip--info { background: var(--bg-info-primary); color: var(--text-info); }
.chip--inactive { background: var(--bg-neutral-disabled); color: var(--chip-inactive-ink-aa); }
.chip-row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); }

/* Inline message: persistent contextual state, 8px radius */
.inline-message { padding: var(--space-3) var(--space-4); border: 1px solid var(--inline-message-border); border-radius: var(--radius-md); background: var(--bg-success-secondary); color: var(--text-brand-secondary); font: var(--type-m3); }
.inline-message--info { background: var(--bg-info-secondary); border-color: var(--border-info-primary); color: var(--text-info); }
.inline-message--warning { background: var(--bg-warning-secondary); border-color: var(--border-warning-primary); color: var(--text-warning); }
.inline-message--error { background: var(--bg-error-secondary); border-color: var(--border-error-primary); color: var(--status-error-ink); }

/* Cards: 12px radius, Shadow/200 */
.card { min-width: 0; padding: var(--space-6); border-radius: var(--radius-lg); background: var(--bg-neutral-primary); box-shadow: var(--shadow-200); }
.card--flush { padding: 0; overflow: hidden; }
.card__header { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); margin-bottom: var(--space-4); }
.card__header--padded { margin: 0; padding: var(--space-5) var(--space-6); }
.card__title { font: var(--type-m1); font-weight: var(--weight-bold); color: var(--text-primary); }
.card > .card__title { margin-bottom: var(--space-4); }
.card > .text-secondary { margin-bottom: var(--space-4); font: var(--type-m3); }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--gutter); }
.grid-2--top { align-items: start; }

/* DataTable */
.table-toolbar { display: flex; flex-wrap: wrap; gap: var(--space-3); padding: var(--space-5) var(--space-6); border-bottom: 1px solid var(--border-neutral-disabled); }
.table-toolbar__search { flex: 1 1 280px; max-width: 480px; height: 36px; }
.table-scroll { overflow-x: auto; }
.table-scroll:focus-visible { outline-offset: -3px; }
.data-table { width: 100%; border-collapse: collapse; font: var(--type-m3); }
.data-table th { height: var(--table-header-height); padding: 0 var(--space-4); background: var(--bg-neutral-secondary); border-bottom: 2px solid var(--border-success-primary); font: var(--type-m3-bold); text-align: left; white-space: nowrap; }
.data-table td { height: var(--table-row-height); padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--border-neutral-disabled); vertical-align: middle; }
.data-table tbody tr:hover { background: var(--bg-neutral-secondary); }
.data-table tbody tr:last-child td { border-bottom: 0; }
.table-link { color: var(--text-link-aa); font: var(--type-m3-bold); }
.cell-2 { display: grid; gap: 2px; }
.cell-2__sub { font: var(--type-m4); color: var(--text-secondary); }
.cell-action { width: 1%; text-align: right; white-space: nowrap; }
.cell-muted { color: var(--text-secondary); }

/* Battery meter: Battery/* tokens plus the numeric value */
.battery { display: inline-flex; align-items: center; gap: var(--space-2); font: var(--type-m3-bold); white-space: nowrap; }
.battery__track { display: block; width: 40px; height: 12px; padding: 2px; border-radius: var(--radius-full); background: var(--battery-background); }
.battery__fill { display: block; height: 100%; border-radius: var(--radius-full); background: var(--bg-neutral-disabled); }
.battery--high .battery__fill { background: var(--battery-fill-high); }
.battery--medium .battery__fill { background: var(--battery-fill-medium); }
.battery--low .battery__fill { background: var(--battery-fill-low); }
.battery__fill--0 { width: 0; }
.battery__fill--10 { width: 10%; }
.battery__fill--20 { width: 20%; }
.battery__fill--30 { width: 30%; }
.battery__fill--40 { width: 40%; }
.battery__fill--50 { width: 50%; }
.battery__fill--60 { width: 60%; }
.battery__fill--70 { width: 70%; }
.battery__fill--80 { width: 80%; }
.battery__fill--90 { width: 90%; }
.battery__fill--100 { width: 100%; }

/* Empty states */
.empty-state { display: grid; justify-items: center; gap: var(--space-2); padding: var(--space-10) var(--space-6); text-align: center; }
.empty-state__image { width: 240px; height: auto; margin-bottom: var(--space-4); border-radius: var(--radius-lg); }
.empty-state__title { font: var(--type-m1); font-weight: var(--weight-bold); }
.empty-state__text { max-width: 420px; font: var(--type-m3); color: var(--text-secondary); }
.empty-inline { font: var(--type-m3); color: var(--text-secondary); }
.error-page { display: grid; justify-items: center; gap: var(--space-3); max-width: 560px; margin: var(--space-12) auto; text-align: center; }

/* Login */
.login { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); min-height: 100vh; }
.login__brand { display: flex; flex-direction: column; justify-content: space-between; padding: var(--space-12); background: var(--bg-brand-dark); color: var(--text-inverse); }
.login__brand-logo { width: 64px; height: 64px; }
.login__eyebrow { margin-bottom: var(--space-4); font: var(--type-m3-bold); color: var(--text-tertiary); text-transform: uppercase; letter-spacing: var(--tracking-h5); }
.login__headline { max-width: 520px; font: var(--type-h3); letter-spacing: var(--tracking-heading); }
.login__panel { display: grid; place-items: center; padding: var(--space-8) var(--space-6); }
.login__card { display: grid; gap: var(--space-5); width: 100%; max-width: 400px; }
.login__logo { width: 48px; height: 48px; }
.login__title { font: var(--type-h5); letter-spacing: var(--tracking-h5); }
.login__foot { font: var(--type-m4); color: var(--text-secondary); }
.login__divider { display: flex; align-items: center; gap: var(--space-3); font: var(--type-m4-bold); color: var(--text-secondary); text-transform: uppercase; letter-spacing: var(--tracking-h5); }
.login__divider::before, .login__divider::after { content: ""; flex: 1; height: 1px; background: var(--border-neutral-disabled); }

/* Fleet map view */
.map-layout { display: grid; grid-template-columns: 360px minmax(0, 1fr); gap: var(--gutter); height: calc(100vh - 150px); min-height: 520px; }
.map-layout__list { display: flex; flex-direction: column; min-height: 0; padding: var(--space-5); }
.map-layout__map { min-height: 0; padding: 0; overflow: hidden; }
.map { width: 100%; height: 100%; min-height: 360px; background: var(--bg-neutral-tertiary); }
.vehicle-list { flex: 1; min-height: 0; overflow-y: auto; padding: 0; list-style: none; }
.vehicle-list__item { padding: var(--space-3) 0; border-bottom: 1px solid var(--border-neutral-disabled); }
.vehicle-list__item:last-child { border-bottom: 0; }
.vehicle-row { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-3); color: var(--text-primary); text-decoration: none; }
.vehicle-row:hover .vehicle-row__vin { text-decoration: underline; }
.vehicle-row__main { display: grid; gap: 2px; min-width: 0; }
.vehicle-row__vin { font: var(--type-m3-bold); overflow-wrap: anywhere; }
.vehicle-row__meta { font: var(--type-m4); color: var(--text-secondary); }
.vehicle-row__stats { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); margin-top: var(--space-2); }
.vehicle-row__stats .link-button { margin-left: auto; min-height: 24px; }

/* Map markers and popups */
.fleet-marker { --tone: var(--bg-brand-dark-secondary); background: none; border: 0; }
.fleet-marker--success { --tone: var(--bg-brand-primary); }
.fleet-marker--warning { --tone: var(--battery-fill-medium); }
.fleet-marker--error { --tone: var(--battery-fill-low); }
.fleet-marker__pin { display: grid; place-items: center; width: 36px; height: 36px; border: 3px solid var(--tone); border-radius: 50% 50% 50% 0; background: var(--bg-brand-dark); box-shadow: var(--shadow-300); transform: rotate(-45deg); }
.fleet-marker__dot { width: 12px; height: 12px; border-radius: var(--radius-full); background: var(--tone); }
.fleet-marker:focus-visible { outline: none; }
.fleet-marker:focus-visible .fleet-marker__pin { outline: 3px solid var(--border-brand-primary); outline-offset: 2px; }
.leaflet-container { font: var(--type-m3); }
.leaflet-popup-content-wrapper { border-radius: var(--radius-lg); box-shadow: var(--shadow-300); }
.leaflet-popup-content { margin: var(--space-4); }
.map-popup { display: grid; gap: var(--space-2); }
.map-popup__vin { font: var(--type-m3-bold); color: var(--text-primary); overflow-wrap: anywhere; }
.map-popup__meta { font: var(--type-m4); color: var(--text-secondary); }
.map-popup .chip { justify-self: start; }
.map-popup__list { display: grid; gap: var(--space-1); margin: var(--space-2) 0; font: var(--type-m4); }
.map-popup__list div { display: flex; justify-content: space-between; gap: var(--space-4); }
.map-popup__list dt { color: var(--text-secondary); }
.map-popup__list dd { font-weight: var(--weight-medium); color: var(--text-primary); }
.map-popup .button { justify-self: start; color: var(--text-inverse); }

/* Fleet detail: data left, map right */
.detail { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-6); align-items: start; }
.detail__data { display: grid; gap: var(--space-6); min-width: 0; }
.detail__map { position: sticky; top: var(--space-6); height: calc(100vh - 2 * var(--space-8)); min-height: 480px; }
.map-card { display: flex; flex-direction: column; height: 100%; }
.map--detail { flex: 1; }
.map-caption { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-2); padding: var(--space-3) var(--space-4); font: var(--type-m4); color: var(--text-secondary); }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: var(--space-2); padding: 0; list-style: none; font: var(--type-m4); color: var(--text-secondary); }
.breadcrumbs li + li::before { content: "/"; margin-right: var(--space-2); }
.detail__header { display: grid; gap: var(--space-2); }
.detail__header .chip-row { margin-top: var(--space-2); }
.section { display: grid; gap: var(--space-3); }
.section__title { font: var(--type-m3-bold); color: var(--text-secondary); text-transform: uppercase; letter-spacing: var(--tracking-h5); }
.battery-card { display: grid; gap: var(--space-3); padding: var(--space-5); }
.battery-card__header { display: flex; align-items: center; gap: var(--space-2); }
.battery-card__title { flex: 1; font: var(--type-m2-bold); }
.battery-card__value { font: var(--type-h3); letter-spacing: var(--tracking-heading); }
.battery-card .battery__track { width: 100%; height: 16px; }
.battery-card .battery__value { display: none; }
.battery-card .battery { display: flex; }
.mini-list { display: grid; gap: var(--space-2); font: var(--type-m4); }
.mini-list div { display: flex; justify-content: space-between; gap: var(--space-3); }
.mini-list dt { color: var(--text-secondary); }
.mini-list dd { font-weight: var(--weight-medium); text-align: right; overflow-wrap: anywhere; }
.stat-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-3); }
.stat { display: grid; gap: var(--space-1); padding: var(--space-4); }
.stat__icon { width: 24px; height: 24px; margin-bottom: var(--space-2); }
.stat__value { font: var(--type-m1); font-weight: var(--weight-bold); overflow-wrap: anywhere; }
.stat__label { font: var(--type-m4); color: var(--text-secondary); }
.detail-list { display: grid; }
.detail-list__row { display: grid; grid-template-columns: minmax(120px, 40%) 1fr; gap: var(--space-4); padding: var(--space-3) 0; border-bottom: 1px solid var(--border-neutral-disabled); font: var(--type-m3); }
.detail-list__row:last-child { border-bottom: 0; }
.detail-list dt { color: var(--text-secondary); }
.detail-list dd { overflow-wrap: anywhere; }
.profile-head { display: flex; align-items: center; gap: var(--space-4); margin-bottom: var(--space-4); }

/* Responsive: fluid between Backend/Standard and Web-Mob/Standard */
@media (max-width: 1360px) {
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .detail .grid-2 { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 960px) {
  .detail { grid-template-columns: minmax(0, 1fr); }
  .detail__map { position: static; height: 420px; min-height: 0; }
  .shell { grid-template-columns: minmax(0, 1fr); }
  .sidebar { position: static; height: auto; gap: var(--space-3); padding: var(--space-3) var(--page-margin-mobile); }
  .nav { flex-direction: row; flex-wrap: nowrap; overflow-x: auto; }
  .nav__section { display: none; }
  .nav__item { flex: none; }
  .nav__item.is-active::before { left: var(--space-3); right: var(--space-3); top: auto; bottom: 0; width: auto; height: 3px; }
  .account { grid-template-columns: minmax(0, 1fr) auto; align-items: center; padding-top: var(--space-3); }
  .workspace { padding: var(--space-6) var(--page-margin-mobile); }
  .map-layout { grid-template-columns: minmax(0, 1fr); height: auto; }
  .map-layout__map { order: -1; height: 420px; }
  .map-layout__list { max-height: none; }
  .grid-2 { grid-template-columns: minmax(0, 1fr); }
  .login { grid-template-columns: minmax(0, 1fr); }
  .login__brand { gap: var(--space-6); padding: var(--space-8) var(--page-margin-mobile); }
  .login__headline { font: var(--type-h5); }
}
@media (max-width: 480px) {
  .page-title { font: var(--type-h5); }
  .stat-grid { grid-template-columns: minmax(0, 1fr); }
  .detail-list__row { grid-template-columns: minmax(0, 1fr); gap: var(--space-1); }
}