:root {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --surface-alt: #f8fafc;
  --surface-sticky-hover: #f1f5f9;
  --border: #dce3ec;
  --border-strong: #c3cfde;
  --text: #0f172a;
  --text-muted: #475569;
  --accent: #1d4ed8;
  --accent-hover: #1e40af;
  --accent-soft: #eff6ff;
  --ok: #15803d;
  --ok-bg: #dcfce7;
  --warn: #b45309;
  --warn-bg: #fef3c7;
  --danger: #b91c1c;
  --danger-bg: #fee2e2;
  --info-bg: #e0f2fe;
  --info-text: #0369a1;
  --radius: 10px;
  --shadow-sm: 0 1px 2px rgb(15 23 42 / 0.06);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 0.9375rem;
  line-height: 1.45;
  color: var(--text);
  background: var(--bg);
}

.sr-only {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Topbar */
.topbar {
  background: var(--surface);
  border-block-end: 1px solid var(--border);
  position: sticky;
  inset-block-start: 0;
  z-index: 20;
}

.topbar-inner {
  max-inline-size: 1480px;
  margin-inline: auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-badge {
  display: inline-grid;
  place-items: center;
  inline-size: 2.4rem;
  block-size: 2.4rem;
  border-radius: 8px;
  background: #0f172a;
  color: #ffffff;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}

.brand h1 {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 700;
}

.undertittel {
  margin: 0.1rem 0 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.topbar-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
}

.control-group {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.25rem 0.55rem;
}

.control-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
}

.control-group select {
  border: 0;
  background: transparent;
  font: inherit;
  font-weight: 600;
  color: var(--text);
  padding: 0.2rem 0.25rem;
  cursor: pointer;
}

.segmented-fieldset {
  margin: 0;
  padding: 0.2rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-alt);
  display: inline-flex;
  gap: 0.15rem;
}

.segmented-fieldset label {
  cursor: pointer;
}

.segmented-fieldset input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.segmented-fieldset span {
  display: inline-block;
  padding: 0.32rem 0.65rem;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
}

.segmented-fieldset input:checked + span {
  background: var(--surface);
  color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.segmented-fieldset input:focus-visible + span {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.export-links {
  display: inline-flex;
  gap: 0.4rem;
}

/* Knapper */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.48rem 0.85rem;
  border-radius: 8px;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-outline {
  background: var(--surface);
  border-color: var(--border-strong);
  color: var(--text);
}

.btn-outline:hover {
  background: var(--surface-alt);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
}

.btn-ghost:hover {
  background: var(--surface-alt);
  color: var(--text);
}

.btn-danger-ghost {
  background: var(--danger-bg);
  color: var(--danger);
}

.btn-sm {
  padding: 0.25rem 0.55rem;
  font-size: 0.78rem;
  border-radius: 6px;
}

/* Live-banner */
.status-banner {
  background: var(--accent-soft);
  border-block-top: 1px solid #bfdbfe;
  color: var(--accent-hover);
  padding: 0.55rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
}

.status-banner[hidden] {
  display: none;
}

.spinner {
  inline-size: 0.95rem;
  block-size: 0.95rem;
  border: 2px solid #93c5fd;
  border-block-start-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Container & KPI */
.container {
  max-inline-size: 1480px;
  margin-inline: auto;
  padding: 1.15rem 1.25rem 2.5rem;
}

.empty-state {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.85rem;
  margin-block-end: 1.15rem;
}

.kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.kpi-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
}

.kpi-value {
  font-size: 1.32rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.kpi-ok {
  color: var(--ok);
}

.kpi-warn {
  color: var(--warn);
}

.kpi-accent {
  color: var(--accent);
}

.kpi-sub {
  font-size: 0.76rem;
  color: var(--text-muted);
}

/* Tabs + Scroll-driven fade affordances (modern-web-guidance: tabs) */
@property --fade-start {
  syntax: "<length>";
  inherits: false;
  initial-value: 0px;
}

@property --fade-end {
  syntax: "<length>";
  inherits: false;
  initial-value: 0px;
}

.tabs-shell {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.tablist {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
  scroll-snap-type: inline proximity;
  scroll-padding-inline: 2.5rem;
  border-block-end: 1px solid var(--border);
  padding-inline: 0.5rem;
}

.tablist::-webkit-scrollbar {
  display: none;
}

.scroller {
  --fade-size: 2.5rem;
  --fade-dir: right;
  --fade-start-pos: 0;
  --fade-end-pos: 100%;
  mask:
    linear-gradient(black, black) no-clip subtract,
    linear-gradient(to var(--fade-dir), black, transparent) var(--fade-start-pos) 0 / var(--fade-start) 100% no-repeat no-clip,
    linear-gradient(to var(--fade-dir), transparent, black) var(--fade-end-pos) 0 / var(--fade-end) 100% no-repeat no-clip;
  animation: reveal-fade-start linear both, hide-fade-end linear both;
  animation-timeline: scroll(self inline);
  animation-range: 0 var(--fade-size), calc(100% - var(--fade-size)) 100%;
  transition: --fade-start 0.2s, --fade-end 0.2s;
}

.scroller.more-start {
  --fade-start: var(--fade-size);
}

.scroller.more-end {
  --fade-end: var(--fade-size);
}

@keyframes reveal-fade-start {
  to {
    --fade-start: var(--fade-size);
  }
}

@keyframes hide-fade-end {
  from {
    --fade-end: var(--fade-size);
  }
}

[role="tab"] {
  flex: none;
  scroll-snap-align: start;
  position: relative;
  appearance: none;
  border: 0;
  background: transparent;
  padding: 0.85rem 1rem;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
}

[role="tab"]:hover {
  color: var(--text);
}

[role="tab"][aria-selected="true"] {
  color: var(--accent);
}

/* Bruk border på ::after (aldri box-shadow/background) slik at forced-colors beholder indikatoren */
[role="tab"][aria-selected="true"]::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  border-block-end: 3px solid var(--accent);
}

.tab-badge {
  display: inline-block;
  padding: 0.08rem 0.45rem;
  border-radius: 999px;
  font-size: 0.74rem;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

[role="tab"][aria-selected="true"] .tab-badge {
  background: var(--accent-soft);
  border-color: #bfdbfe;
  color: var(--accent);
}

/* Tabpanels med hidden="until-found": INGEN padding/border/gap på selve [role="tabpanel"]! */
.panels-stack {
  display: grid;
}

.panels-stack > [role="tabpanel"] {
  grid-area: 1 / 1;
  min-inline-size: 0;
}

.panel-inner {
  padding: 1.15rem 1.25rem 1.4rem;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-block-end: 0.9rem;
}

.section-head h2 {
  margin: 0;
  font-size: 1.02rem;
}

.muted {
  margin: 0.2rem 0 0;
  font-size: 0.83rem;
  color: var(--text-muted);
}

.meta-pill {
  display: inline-block;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin-block-end: 0.85rem;
}

.filter-bar input[type="search"],
.filter-bar select,
.calc-bar input {
  padding: 0.46rem 0.7rem;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  font: inherit;
  font-size: 0.86rem;
  background: var(--surface);
  color: var(--text);
}

.filter-bar input[type="search"] {
  min-inline-size: min(320px, 100%);
  flex: 1 1 240px;
}

/* Responsive Data Tables (modern-web-guidance: responsive-table) */
.table-wrapper {
  overflow: auto;
  max-inline-size: 100%;
  container-type: inline-size;
  border: 1px solid var(--border);
  border-radius: 8px;
}

#panel-fakturaer .table-wrapper,
#panel-tabell .table-wrapper {
  max-block-size: min(680px, 76vh);
}

.table-wrapper:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.data-table {
  inline-size: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-variant-numeric: tabular-nums;
  font-size: 0.85rem;
}

.data-table thead {
  position: sticky;
  inset-block-start: 0;
  z-index: 2;
}

.data-table thead th {
  background: var(--surface-alt);
  color: var(--text-muted);
  font-weight: 600;
  text-align: start;
  padding: 0.62rem 0.75rem;
  border-block-end: 1px solid var(--border-strong);
  white-space: nowrap;
}

.data-table thead th.num,
.data-table td.num,
.data-table tfoot td.num {
  text-align: end;
}

.data-table tbody th,
.data-table tbody td {
  padding: 0.58rem 0.75rem;
  border-block-end: 1px solid var(--border);
  vertical-align: middle;
  background: var(--surface);
}

/* Sticky row header på desktop */
.data-table tbody th {
  position: sticky;
  inset-inline-start: 0;
  z-index: 1;
  text-align: start;
  font-weight: 600;
  background: var(--surface);
  border-inline-end: 1px solid var(--border);
  white-space: nowrap;
}

.data-table tbody tr:hover th,
.data-table tbody tr:hover td {
  background: var(--surface-sticky-hover);
}

.data-table tbody tr.rad-delbetalt th,
.data-table tbody tr.rad-delbetalt td {
  background: #fffbeb;
}

.data-table tbody tr.rad-aktiv-trinn th,
.data-table tbody tr.rad-aktiv-trinn td {
  background: var(--accent-soft);
}

.data-table tfoot th,
.data-table tfoot td {
  padding: 0.68rem 0.75rem;
  background: var(--surface-alt);
  font-weight: 700;
  border-block-start: 2px solid var(--border-strong);
  white-space: nowrap;
}

.link-btn {
  appearance: none;
  border: 0;
  background: none;
  padding: 0;
  font: inherit;
  font-weight: 600;
  color: var(--accent);
  cursor: pointer;
  text-align: start;
}

.link-btn:hover {
  text-decoration: underline;
}

/* Status-badges */
.pill {
  display: inline-block;
  padding: 0.14rem 0.5rem;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 700;
  white-space: nowrap;
}

.pill-betalt {
  background: var(--ok-bg);
  color: var(--ok);
}

.pill-delvis {
  background: var(--warn-bg);
  color: var(--warn);
}

.pill-ubetalt {
  background: var(--danger-bg);
  color: var(--danger);
}

.pill-kn {
  background: var(--info-bg);
  color: var(--info-text);
}

.pill-neutral {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.pos {
  color: var(--ok);
  font-weight: 600;
}

.neg {
  color: var(--danger);
  font-weight: 600;
}

.kommentar-celle {
  max-inline-size: 360px;
  white-space: normal;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Container query: stacked cards på smale skjermer (< 680px) */
@container (width < 680px) {
  .data-table,
  .data-table thead,
  .data-table tbody,
  .data-table tfoot,
  .data-table tr,
  .data-table th,
  .data-table td {
    display: block;
  }

  .data-table thead {
    display: none;
  }

  .data-table tbody tr {
    margin-block-end: 0.85rem;
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    overflow: clip;
  }

  .data-table tbody th {
    position: sticky;
    inset-block-start: 0;
    z-index: 2;
    background: var(--surface-alt);
    border-inline-end: 0;
  }

  .data-table tbody td,
  .data-table tbody td.num {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    text-align: end;
  }

  .data-table td:nth-child(2)::before { content: var(--label-2, "") ": "; font-weight: 600; color: var(--text-muted); text-align: start; }
  .data-table td:nth-child(3)::before { content: var(--label-3, "") ": "; font-weight: 600; color: var(--text-muted); text-align: start; }
  .data-table td:nth-child(4)::before { content: var(--label-4, "") ": "; font-weight: 600; color: var(--text-muted); text-align: start; }
  .data-table td:nth-child(5)::before { content: var(--label-5, "") ": "; font-weight: 600; color: var(--text-muted); text-align: start; }
  .data-table td:nth-child(6)::before { content: var(--label-6, "") ": "; font-weight: 600; color: var(--text-muted); text-align: start; }
  .data-table td:nth-child(7)::before { content: var(--label-7, "") ": "; font-weight: 600; color: var(--text-muted); text-align: start; }
  .data-table td:nth-child(8)::before { content: var(--label-8, "") ": "; font-weight: 600; color: var(--text-muted); text-align: start; }
  .data-table td:nth-child(9)::before { content: var(--label-9, "") ": "; font-weight: 600; color: var(--text-muted); text-align: start; }
  .data-table td:nth-child(10)::before { content: var(--label-10, "") ": "; font-weight: 600; color: var(--text-muted); text-align: start; }
  .data-table td:nth-child(11)::before { content: var(--label-11, "") ": "; font-weight: 600; color: var(--text-muted); text-align: start; }
  .data-table td:nth-child(12)::before { content: var(--label-12, "") ": "; font-weight: 600; color: var(--text-muted); text-align: start; }
  .data-table td:nth-child(13)::before { content: var(--label-13, "") ": "; font-weight: 600; color: var(--text-muted); text-align: start; }
  .data-table td:nth-child(14)::before { content: var(--label-14, "") ": "; font-weight: 600; color: var(--text-muted); text-align: start; }
}

body.rolle-selger .kol-handling {
  display: none;
}

/* Underkort & lister */
.two-col-cards {
  margin-block-start: 1.15rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1rem;
}

.subcard {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.9rem 1rem;
}

.subcard h3,
.subsection h3 {
  margin: 0 0 0.6rem;
  font-size: 0.92rem;
}

.subsection {
  margin-block-start: 1.4rem;
}

.alert-list,
.kv-list {
  margin: 0;
  padding-inline-start: 1.1rem;
  display: grid;
  gap: 0.45rem;
  font-size: 0.84rem;
}

.kv-list {
  list-style: none;
  padding-inline-start: 0;
}

.kv-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.4rem 0.6rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
}

/* Kalkulator */
.calc-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem;
  margin-block-end: 0.9rem;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.calc-bar label {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  font-size: 0.86rem;
}

.calc-output {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
}

/* Native <dialog> (modern-web-guidance: dialog & light-dismiss-a-dialog) */
dialog {
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 0;
  max-inline-size: min(540px, calc(100vw - 2rem));
  inline-size: 100%;
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 20px 45px rgb(15 23 42 / 0.22);
}

dialog[open] {
  display: block;
}

dialog:modal {
  overscroll-behavior: contain;
}

dialog::backdrop {
  background-color: rgb(15 23 42 / 0.45);
  backdrop-filter: blur(2px);
  overflow: hidden;
  overscroll-behavior: contain;
}

dialog form {
  padding: 1.2rem 1.3rem;
}

.dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-block-end: 0.5rem;
}

.dialog-head h2 {
  margin: 0;
  font-size: 1.05rem;
}

.dialog-sub {
  margin: 0 0 0.9rem;
  font-size: 0.84rem;
  color: var(--text-muted);
}

.icon-close {
  appearance: none;
  border: 0;
  background: transparent;
  font-size: 1rem;
  padding: 0.25rem 0.45rem;
  border-radius: 6px;
  cursor: pointer;
  color: var(--text-muted);
}

.icon-close:hover {
  background: var(--surface-alt);
  color: var(--text);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-block-end: 0.8rem;
}

.form-field label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-field input,
.form-field select {
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  font: inherit;
  font-size: 0.88rem;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 0.75rem;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
}

.dialog-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-block-start: 1rem;
  padding-block-start: 0.85rem;
  border-block-start: 1px solid var(--border);
}

.spacer {
  flex: 1;
}

.dialog-wide {
  max-inline-size: min(680px, calc(100vw - 2rem));
}

/* Innloggingskort */
.login-card {
  max-inline-size: 480px;
  margin: 3.5rem auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem 1.75rem;
  box-shadow: var(--shadow-sm);
}

.login-card h2 {
  margin: 0 0 0.35rem;
  font-size: 1.1rem;
}

.login-form {
  margin-block-start: 1.1rem;
}

/* Innloggingslenker + modern-web-guidance copy-button */
.link-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  padding: 0.65rem 0.8rem;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.link-row-meta {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-inline-size: 180px;
}

.link-row-url {
  flex: 1 1 240px;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.78rem;
  padding: 0.38rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text-muted);
  min-inline-size: 0;
}

.copy {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.copy-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  min-inline-size: 44px;
  min-block-size: 36px;
  padding: 0.32rem 0.68rem;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

.copy-button:hover {
  background: var(--surface-sticky-hover);
}

.copy-button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Live-regionen holdes i DOM og skjules kun med opacity (aldri display:none eller visibility:hidden) */
.copy .tip {
  position: absolute;
  inset-block-end: calc(100% + 6px);
  inset-inline-end: 0;
  padding: 0.22rem 0.55rem;
  border-radius: 6px;
  background: var(--text);
  color: var(--surface);
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  z-index: 5;
}

@media (prefers-reduced-motion: no-preference) {
  .copy .tip {
    transition: opacity 0.15s ease;
  }
}

.copy[data-copied] .tip,
.copy[data-failed] .tip {
  opacity: 1;
}

.copy[data-failed] .tip {
  background: var(--danger);
}