/* ── JACB Invoice App — GOV.UK Design System Styles (2025 rebrand) ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --govuk-black:        #0b0c0c;
  --govuk-white:        #ffffff;
  --govuk-blue:         #1d70b8;
  --govuk-blue-hover:   #0f385c;
  --govuk-blue-light:   #d2e2f1;
  --govuk-green:        #0f7a52;
  --govuk-green-dark:   #07522f;
  --govuk-red:          #ca3535;
  --govuk-red-dark:     #8f2525;
  --govuk-yellow:       #ffdd00;
  --govuk-orange:       #f47738;
  --govuk-grey-1:       #f3f2f1;
  --govuk-grey-2:       #b1b4b6;
  --govuk-grey-3:       #505a5f;
  --govuk-grey-4:       #dee0e2;
  --govuk-border:       #b1b4b6;
  --govuk-focus:        #ffdd00;
  --font: "Inter", "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  color: var(--govuk-black);
  background: var(--govuk-grey-1);
  -webkit-font-smoothing: antialiased;
}

/* ── Width container ── */
.govuk-width-container { max-width: 1100px; margin: 0 auto; padding: 0 30px; }

/* ── Header ── */
.govuk-header {
  background: var(--govuk-blue);
  border-bottom: 4px solid var(--govuk-blue-hover);
}
.govuk-header__container {
  display: flex;
  align-items: center;
  padding: 10px 30px;
  gap: 20px;
  flex-wrap: wrap;
}
.govuk-header__logo { display: flex; align-items: center; gap: 12px; }
.govuk-header__logotype-img { max-height: 36px; max-width: 160px; object-fit: contain; }
.govuk-header__link { color: var(--govuk-white); text-decoration: none; }
.govuk-header__link:hover { text-decoration: underline; }
.govuk-header__link--service-name { font-size: 20px; font-weight: 700; }
.govuk-header__service-tag {
  font-size: 13px; font-weight: 400;
  color: var(--govuk-grey-2); margin-left: 4px;
}
.govuk-header__nav { margin-left: auto; }
.govuk-header__navigation { list-style: none; display: flex; gap: 0; flex-wrap: wrap; }
.govuk-header__navigation-item a {
  display: block; padding: 10px 14px;
  color: var(--govuk-white); text-decoration: none;
  font-size: 14px;
}
.govuk-header__navigation-item a:hover { background: rgba(255,255,255,0.1); }

/* ── Main wrapper ── */
.govuk-main-wrapper { padding: 30px 0 60px; }

/* ── Grid ── */
.govuk-grid-row { display: flex; flex-wrap: wrap; margin: 0 -15px; }
.govuk-grid-column-full { width: 100%; padding: 0 15px; }
.govuk-grid-column-two-thirds { width: 66.66%; padding: 0 15px; }
.govuk-grid-column-one-third { width: 33.33%; padding: 0 15px; }
.govuk-grid-column-one-half { width: 50%; padding: 0 15px; }
.govuk-grid-column-one-quarter { width: 25%; padding: 0 15px; }

/* ── Typography ── */
.govuk-heading-xl { font-size: 53px; font-weight: 700; line-height: 1.02; margin-bottom: 30px; letter-spacing: -1px; }
.govuk-heading-l  { font-size: 40px; font-weight: 700; line-height: 1.05; margin-bottom: 20px; letter-spacing: -0.5px; }
.govuk-heading-m  { font-size: 27px; font-weight: 700; line-height: 1.18; margin-bottom: 15px; }
.govuk-heading-s  { font-size: 19px; font-weight: 700; line-height: 1.31; margin-bottom: 10px; }
.govuk-body       { font-size: 19px; line-height: 1.47; margin-bottom: 15px; }
.govuk-body-s     { font-size: 16px; line-height: 1.5;  margin-bottom: 10px; }
.govuk-caption-l  { font-size: 24px; color: var(--govuk-grey-3); margin-bottom: 5px; font-weight: 400; }
.govuk-caption-m  { font-size: 19px; color: var(--govuk-grey-3); margin-bottom: 5px; font-weight: 400; }

/* ── Tags ── */
.govuk-tag {
  display: inline-block; padding: 2px 8px;
  font-size: 14px; font-weight: 700; letter-spacing: 1px;
  text-transform: uppercase;
  background: var(--govuk-blue); color: var(--govuk-white);
}
.govuk-tag--grey   { background: var(--govuk-grey-3); }
.govuk-tag--green  { background: var(--govuk-green); }
.govuk-tag--red    { background: var(--govuk-red); }
.govuk-tag--blue   { background: var(--govuk-blue); }
.govuk-tag--yellow { background: var(--govuk-yellow); color: var(--govuk-black); }
.govuk-tag--orange { background: var(--govuk-orange); }

/* ── Phase banner ── */
.govuk-phase-banner {
  background: var(--govuk-white);
  border-bottom: 1px solid var(--govuk-border);
  padding: 8px 30px;
  font-size: 14px;
  display: flex; align-items: center; gap: 10px;
}
.govuk-phase-banner p { color: var(--govuk-grey-3); margin: 0; }

/* ── Buttons ── */
.govuk-button {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font); font-size: 16px; font-weight: 700;
  padding: 10px 18px; border: 2px solid transparent;
  cursor: pointer; text-decoration: none;
  background: var(--govuk-green); color: var(--govuk-white);
  box-shadow: 0 2px 0 var(--govuk-green-dark);
  outline: none; transition: background 0.1s;
  position: relative; top: 0;
}
.govuk-button:hover { background: #005a30; }
.govuk-button:active { top: 2px; box-shadow: none; }
.govuk-button:focus {
  outline: 3px solid var(--govuk-focus);
  outline-offset: 0;
  background: var(--govuk-focus);
  color: var(--govuk-black);
  box-shadow: 0 2px 0 var(--govuk-black);
}
.govuk-button--secondary {
  background: var(--govuk-grey-1); color: var(--govuk-black);
  box-shadow: 0 2px 0 #929191;
}
.govuk-button--secondary:hover { background: #dbdad9; }
.govuk-button--secondary:focus { color: var(--govuk-black); }
.govuk-button--warning {
  background: var(--govuk-red); color: var(--govuk-white);
  box-shadow: 0 2px 0 var(--govuk-red-dark);
}
.govuk-button--warning:hover { background: var(--govuk-red-dark); }
.govuk-button--blue {
  background: var(--govuk-blue); color: var(--govuk-white);
  box-shadow: 0 2px 0 var(--govuk-blue-hover);
}
.govuk-button--blue:hover { background: var(--govuk-blue-hover); }
.govuk-button--blue:focus { color: var(--govuk-black); }
.govuk-button-group { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 20px; }
.govuk-button-group .govuk-link { font-size: 16px; }

/* ── Forms ── */
.govuk-form-group { margin-bottom: 20px; }
.govuk-form-group--error { border-left: 4px solid var(--govuk-red); padding-left: 15px; }
.govuk-label { display: block; font-size: 16px; font-weight: 600; margin-bottom: 5px; }
.govuk-label--m { font-size: 18px; }
.govuk-hint { display: block; font-size: 14px; color: var(--govuk-grey-3); margin-bottom: 5px; margin-top: -3px; }
.govuk-error-message { display: block; font-size: 14px; font-weight: 700; color: var(--govuk-red); margin-bottom: 5px; }
.govuk-error-message::before { content: "Error: "; }

.govuk-input, .govuk-textarea, .govuk-select {
  width: 100%; padding: 8px 10px;
  border: 2px solid var(--govuk-black); border-radius: 0;
  font-family: var(--font); font-size: 16px; color: var(--govuk-black);
  background: var(--govuk-white); outline: none; appearance: none;
}
.govuk-input:focus, .govuk-textarea:focus, .govuk-select:focus {
  outline: 3px solid var(--govuk-focus);
  outline-offset: 0;
  box-shadow: inset 0 0 0 2px var(--govuk-black);
}
.govuk-input--error, .govuk-textarea--error, .govuk-select--error {
  border-color: var(--govuk-red);
}
.govuk-input--width-3  { width: 5.4em; }
.govuk-input--width-4  { width: 6.95em; }
.govuk-input--width-5  { width: 8.5em; }
.govuk-input--width-10 { width: 16em; }
.govuk-input--width-20 { width: 30em; }
.govuk-textarea { resize: vertical; min-height: 80px; line-height: 1.5; }
.govuk-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M0 0l6 8 6-8z' fill='%230b0c0c'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center;
  padding-right: 36px;
}
.govuk-fieldset__legend { font-size: 16px; font-weight: 700; margin-bottom: 8px; display: block; }
.govuk-fieldset__legend--m { font-size: 20px; }

/* ── Table ── */
.govuk-table { width: 100%; border-collapse: collapse; margin-bottom: 20px; }
.govuk-table__head { }
.govuk-table__header {
  font-size: 14px; font-weight: 700; text-align: left;
  padding: 10px 20px 8px 0;
  border-bottom: 2px solid var(--govuk-black);
  white-space: nowrap;
}
.govuk-table__header--numeric { text-align: right; }
.govuk-table__row { border-bottom: 1px solid var(--govuk-grey-4); }
.govuk-table__row:hover { background: var(--govuk-grey-1); }
.govuk-table__cell {
  font-size: 15px; padding: 12px 20px 12px 0;
  vertical-align: middle;
}
.govuk-table__cell--numeric { text-align: right; font-family: monospace; }
.govuk-table__cell a { color: var(--govuk-blue); }

/* ── Summary list ── */
.govuk-summary-list { margin-bottom: 20px; }
.govuk-summary-list__row {
  display: flex; border-bottom: 1px solid var(--govuk-grey-4);
  padding: 10px 0;
}
.govuk-summary-list__key { width: 33%; font-weight: 700; font-size: 15px; padding-right: 20px; flex-shrink: 0; }
.govuk-summary-list__value { flex: 1; font-size: 15px; }
.govuk-summary-list__actions { margin-left: auto; font-size: 14px; }

/* ── Notification banner ── */
.govuk-notification-banner {
  border: 5px solid var(--govuk-blue);
  margin-bottom: 30px;
}
.govuk-notification-banner--success { border-color: var(--govuk-green); }
.govuk-notification-banner--important { border-color: var(--govuk-red); }
.govuk-notification-banner__header {
  background: var(--govuk-blue); padding: 10px 20px;
}
.govuk-notification-banner--success .govuk-notification-banner__header { background: var(--govuk-green); }
.govuk-notification-banner--important .govuk-notification-banner__header { background: var(--govuk-red); }
.govuk-notification-banner__title { font-size: 16px; font-weight: 700; color: var(--govuk-white); margin: 0; }
.govuk-notification-banner__content { padding: 15px 20px; background: var(--govuk-white); }
.govuk-notification-banner__content p { margin: 0; font-size: 15px; }

/* ── Inset text ── */
.govuk-inset-text {
  border-left: 10px solid var(--govuk-grey-4);
  padding: 15px 20px; margin-bottom: 20px;
  font-size: 15px; color: var(--govuk-grey-3);
}

/* ── Links ── */
.govuk-link { color: var(--govuk-blue); }
.govuk-link:hover { color: var(--govuk-blue-hover); }
.govuk-link--no-visited-state:visited { color: var(--govuk-blue); }
.govuk-link--destructive { color: var(--govuk-red); }

/* ── Back link ── */
.govuk-back-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; color: var(--govuk-blue); text-decoration: none;
  margin-bottom: 20px;
}
.govuk-back-link::before { content: "←"; }
.govuk-back-link:hover { text-decoration: underline; }

/* ── Panel ── */
.govuk-panel {
  background: var(--govuk-green); color: var(--govuk-white);
  padding: 30px 35px; margin-bottom: 30px; text-align: center;
}
.govuk-panel__title { font-size: 36px; font-weight: 700; margin-bottom: 10px; }
.govuk-panel__body  { font-size: 20px; }

/* ── Warning text ── */
.govuk-warning-text {
  display: flex; align-items: flex-start; gap: 12px;
  font-size: 16px; font-weight: 700; margin-bottom: 20px;
}
.govuk-warning-text__icon {
  width: 35px; height: 35px; border-radius: 50%;
  background: var(--govuk-black); color: var(--govuk-white);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 700; flex-shrink: 0;
}

/* ── Footer ── */
.govuk-footer {
  background: var(--govuk-grey-1);
  border-top: 1px solid var(--govuk-border);
  padding: 20px 0;
}
.govuk-footer__meta { font-size: 14px; color: var(--govuk-grey-3); }

/* ── Invoice-specific components ── */

/* Stats bar */
.jacb-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  background: var(--govuk-grey-4);
  border: 1px solid var(--govuk-grey-4);
  margin-bottom: 30px;
}
.jacb-stat {
  background: var(--govuk-white);
  padding: 20px;
}
.jacb-stat__label { font-size: 13px; color: var(--govuk-grey-3); font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.jacb-stat__value { font-size: 28px; font-weight: 700; font-family: monospace; line-height: 1; }
.jacb-stat__value--blue  { color: var(--govuk-blue); }
.jacb-stat__value--green { color: var(--govuk-green); }
.jacb-stat__value--red   { color: var(--govuk-red); }
.jacb-stat__value--grey  { color: var(--govuk-grey-3); }

/* Filter bar */
.jacb-filter-bar {
  display: flex; gap: 10px; align-items: flex-end;
  flex-wrap: wrap; margin-bottom: 20px;
  background: var(--govuk-white);
  border: 1px solid var(--govuk-grey-4);
  padding: 16px 20px;
}
.jacb-filter-bar .govuk-form-group { margin-bottom: 0; }
.jacb-filter-bar .govuk-label { font-size: 14px; }

/* Invoice form card */
.jacb-card {
  background: var(--govuk-white);
  border: 1px solid var(--govuk-grey-4);
  padding: 24px;
  margin-bottom: 20px;
}
.jacb-card__heading {
  font-size: 18px; font-weight: 700;
  border-bottom: 3px solid var(--govuk-blue);
  padding-bottom: 10px; margin-bottom: 20px;
  display: flex; align-items: center; gap: 8px;
  color: var(--govuk-black);
}

/* Line items */
.jacb-items-table { width: 100%; border-collapse: collapse; margin-bottom: 10px; }
.jacb-items-table th {
  font-size: 13px; font-weight: 700; text-align: left;
  padding: 8px 6px; border-bottom: 2px solid var(--govuk-black);
  text-transform: uppercase; letter-spacing: 0.5px; color: var(--govuk-grey-3);
  white-space: nowrap;
}
.jacb-items-table th.r { text-align: right; }
.jacb-items-table td { padding: 6px 6px; vertical-align: middle; border-bottom: 1px solid var(--govuk-grey-4); }
.jacb-items-table td.r { text-align: right; }
.jacb-items-table input {
  width: 100%; padding: 6px 8px;
  border: 2px solid var(--govuk-black); border-radius: 0;
  font-family: var(--font); font-size: 14px;
  background: var(--govuk-white); outline: none;
}
.jacb-items-table input:focus {
  outline: 3px solid var(--govuk-focus);
  box-shadow: inset 0 0 0 2px var(--govuk-black);
}
.jacb-items-table input.mono { font-family: monospace; }
.jacb-item-total { font-family: monospace; font-size: 14px; font-weight: 700; white-space: nowrap; padding: 0 6px; }
.jacb-remove-item {
  background: none; border: none; cursor: pointer;
  color: var(--govuk-grey-2); font-size: 18px; padding: 4px 8px;
  font-family: var(--font); text-decoration: underline; font-size: 13px;
  color: var(--govuk-red);
}
.jacb-remove-item:hover { color: var(--govuk-red-dark); }
.jacb-add-item-btn {
  background: var(--govuk-white); color: var(--govuk-blue);
  border: 2px dashed var(--govuk-blue);
  font-family: var(--font); font-size: 14px; font-weight: 700;
  padding: 8px 16px; cursor: pointer; width: 100%;
  margin-top: 4px;
}
.jacb-add-item-btn:hover { background: var(--govuk-blue-light); }

/* Totals box */
.jacb-totals {
  background: var(--govuk-grey-1);
  border: 1px solid var(--govuk-grey-4);
  padding: 16px 20px;
  margin-top: 10px;
}
.jacb-totals table { width: 100%; }
.jacb-totals td { padding: 4px 0; font-size: 15px; }
.jacb-totals td:last-child { text-align: right; font-family: monospace; }
.jacb-totals tr.grand td { font-size: 18px; font-weight: 700; border-top: 2px solid var(--govuk-black); padding-top: 8px; }
.jacb-totals tr.grand td:last-child { color: var(--govuk-blue); }

/* Invoice print/view document */
.inv-document {
  background: var(--govuk-white);
  border: 1px solid var(--govuk-grey-4);
  max-width: 820px;
}
.inv-document__header {
  background: var(--govuk-blue);
  border-bottom: 4px solid var(--govuk-blue-hover);
  padding: 28px 36px 22px;
  display: flex; justify-content: space-between; align-items: flex-start;
}
.inv-document__biz-name { color: var(--govuk-white); font-size: 22px; font-weight: 700; }
.inv-document__biz-sub  { color: var(--govuk-grey-2); font-size: 13px; margin-top: 4px; }
.inv-document__logo     { max-height: 56px; max-width: 200px; object-fit: contain; margin-bottom: 10px; display: block; }
.inv-document__title    { color: var(--govuk-white); font-size: 30px; font-weight: 700; text-align: right; }
.inv-document__number   { color: var(--govuk-grey-2); font-family: monospace; font-size: 13px; text-align: right; margin-top: 6px; }
.inv-document__date-row { display: flex; justify-content: flex-end; gap: 14px; font-size: 13px; margin-top: 4px; }
.inv-document__date-row .dl { color: var(--govuk-grey-2); }
.inv-document__date-row .dv { color: var(--govuk-white); font-weight: 600; }

.inv-document__addresses {
  display: grid; grid-template-columns: 1fr 1fr;
  padding: 24px 36px; gap: 24px;
  border-bottom: 1px solid var(--govuk-grey-4);
}
.inv-addr-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--govuk-grey-3); margin-bottom: 6px; }
.inv-addr-name  { font-size: 16px; font-weight: 700; }
.inv-addr-detail { font-size: 13px; color: var(--govuk-grey-3); margin-top: 4px; white-space: pre-line; }

.inv-document__table    { padding: 4px 36px 0; }
.inv-document__table table  { width: 100%; border-collapse: collapse; }
.inv-document__table thead tr { border-bottom: 2px solid var(--govuk-black); }
.inv-document__table th { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--govuk-grey-3); padding: 10px 0 8px; text-align: left; }
.inv-document__table th.r { text-align: right; }
.inv-document__table tbody tr { border-bottom: 1px solid var(--govuk-grey-4); }
.inv-document__table td { padding: 10px 0; font-size: 14px; vertical-align: top; }
.inv-document__table td.r { text-align: right; font-family: monospace; font-size: 13px; }
.inv-document__table td.bold { font-weight: 700; }

.inv-document__totals {
  display: flex; flex-direction: column; align-items: flex-end;
  padding: 16px 36px 24px; gap: 5px;
}
.inv-total-row { display: flex; width: 280px; justify-content: space-between; font-size: 14px; }
.inv-total-row .tl { color: var(--govuk-grey-3); }
.inv-total-row .tv { font-family: monospace; font-size: 13px; }
.inv-total-divider { width: 280px; border: none; border-top: 2px solid var(--govuk-black); margin: 6px 0; }
.inv-total-row.grand .tl { font-weight: 700; font-size: 17px; color: var(--govuk-black); }
.inv-total-row.grand .tv { font-weight: 700; font-size: 17px; font-family: monospace; color: var(--govuk-blue); }

.inv-document__footer {
  background: var(--govuk-grey-1); border-top: 1px solid var(--govuk-grey-4);
  padding: 20px 36px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}
.inv-footer-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--govuk-grey-3); margin-bottom: 6px; }
.inv-footer-value { font-size: 13px; color: var(--govuk-grey-3); white-space: pre-line; line-height: 1.6; }

/* Action bar above invoice doc */
.jacb-action-bar {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-bottom: 16px; align-items: center;
}

/* Login / 2FA pages */
.jacb-auth-wrap { max-width: 480px; margin: 60px auto 0; }
.jacb-auth-wrap .govuk-heading-l { margin-bottom: 24px; }

/* Users table */
.jacb-user-role { font-size: 12px; }

/* Settings upload */
.jacb-upload-current { margin-top: 8px; font-size: 13px; color: var(--govuk-grey-3); }
.jacb-upload-current img { max-height: 40px; vertical-align: middle; margin-right: 8px; }

/* ── Responsive ── */
@media (max-width: 768px) {
  /* Grid — all columns full width on mobile */
  .govuk-grid-column-two-thirds,
  .govuk-grid-column-one-third,
  .govuk-grid-column-one-half,
  .govuk-grid-column-one-quarter { width: 100%; }

  /* Tighter page padding */
  .govuk-width-container { padding: 0 15px; }
  .govuk-main-wrapper { padding: 20px 0 40px; }

  /* Header — stack logo and nav */
  .govuk-header__container { flex-direction: column; align-items: flex-start; gap: 8px; padding: 10px 15px; }
  .govuk-header__nav { margin-left: 0; width: 100%; }
  .govuk-header__navigation { flex-direction: column; width: 100%; }
  .govuk-header__navigation-item a { padding: 8px 0; font-size: 15px; }

  /* Section tabs — scrollable on small screens */
  .jacb-section-tabs .govuk-width-container { padding: 0 10px; overflow-x: auto; }
  .jacb-section-tab { padding: 10px 14px; font-size: 14px; white-space: nowrap; }

  /* Dashboard stats — 2 col on mobile */
  .jacb-stats { grid-template-columns: 1fr 1fr; gap: 10px; }
  .jacb-stat { padding: 14px; }
  .jacb-stat__value { font-size: 28px; }

  /* Cards */
  .jacb-card { padding: 16px; }
  .jacb-card__heading { font-size: 15px; }

  /* Filter bar — stack vertically */
  .jacb-filter-bar { flex-direction: column; align-items: stretch; gap: 10px; }
  .jacb-filter-bar .govuk-form-group { margin-bottom: 0; }
  .jacb-filter-bar .govuk-input,
  .jacb-filter-bar .govuk-select { width: 100%; }
  .jacb-filter-bar > div:last-child { margin-left: 0 !important; }

  /* Tables — horizontal scroll */
  .govuk-table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; font-size: 13px; }

  /* Invoice document */
  .inv-document { padding: 16px; margin: 0; border-radius: 0; }
  .inv-document__header { flex-direction: column; gap: 12px; }
  .inv-document__header > div:last-child { text-align: left; }
  .inv-document__addresses { grid-template-columns: 1fr; gap: 12px; }
  .inv-document__footer { grid-template-columns: 1fr; gap: 12px; }
  .inv-document__table { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .inv-document__totals { margin-right: 0; }

  /* Invoice view sidebar — show below invoice on mobile */
  #inv-sidebar { position: static !important; }
  #inv-sidebar .jacb-card { margin-bottom: 12px; }

  /* Settings sidebar — show below content on mobile */
  .govuk-grid-column-one-third > div[style*="position:sticky"] { position: static !important; }

  /* Helpdesk ticket view */
  .hd-thread-msg { padding: 12px; }
  .hd-reply-tabs { flex-wrap: wrap; }

  /* Buttons full width on mobile forms */
  .govuk-button-group { flex-direction: column; }
  .govuk-button-group .govuk-button { width: 100%; text-align: center; }

  /* Auth pages */
  .jacb-auth-wrap { margin: 20px auto 0; padding: 0 15px; }

  /* Headings */
  .govuk-heading-l { font-size: 24px; }
  .govuk-heading-m { font-size: 18px; }
}

@media (max-width: 480px) {
  /* Very small screens */
  .jacb-stats { grid-template-columns: 1fr; }
  .govuk-header__link--service-name { font-size: 16px; }
  .inv-document__header .inv-document__title { font-size: 22px; }
}

/* ── Print ── */
@media print {
  .govuk-header, .govuk-footer, .jacb-action-bar,
  .jacb-section-tabs, .govuk-phase-banner,
  .govuk-notification-banner, .govuk-back-link,
  .govuk-button, .no-print,
  .govuk-grid-column-one-third { display: none !important; }
  body { background: white; }
  .govuk-main-wrapper { padding: 0; }
  .govuk-grid-row { display: block; }
  .govuk-grid-column-two-thirds { width: 100% !important; float: none !important; }
  .govuk-heading-l, .govuk-caption-l { display: none !important; }
  .inv-document { border: none; box-shadow: none; max-width: 100%; }
  @page { margin: 8mm; size: A4; }
}

/* ── Section tabs ── */
.jacb-section-tabs {
  background: var(--govuk-blue-hover);
  border-bottom: 3px solid rgba(255,255,255,0.2);
  position: relative;
  z-index: 10;
  clear: both;
}
.jacb-section-tabs .govuk-width-container {
  display: flex;
  gap: 0;
  padding: 0 15px;
}
.jacb-section-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  color: #b1b4b6;
  font-size: 15px;
  font-weight: 400;
  text-decoration: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -3px;
  transition: color 0.1s;
}
.jacb-section-tab:hover { color: #fff; }
.jacb-section-tab--active {
  color: #fff;
  font-weight: 700;
  border-bottom-color: #fff;
}
.jacb-tab-badge {
  background: #ca3535;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
  display: inline-block;
}

/* ── Helpdesk styles ── */
.hd-priority-critical { color: #ca3535; font-weight: 700; }
.hd-priority-high     { color: #f47738; font-weight: 700; }
.hd-priority-medium   { color: #f47738; }
.hd-priority-low      { color: #505a5f; }

.hd-ticket-row { cursor: pointer; }
.hd-ticket-row:hover td { background: #f3f2f1; }

.hd-thread { display: flex; flex-direction: column; gap: 16px; margin: 20px 0; }
.hd-message {
  border: 1px solid var(--govuk-grey-4);
  border-radius: 2px;
  overflow: hidden;
}
.hd-message__header {
  background: var(--govuk-grey-1);
  padding: 10px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  border-bottom: 1px solid var(--govuk-grey-4);
}
.hd-message__header--staff { background: #e8f0fe; }
.hd-message--private { border-color: #ffdd00; }
.hd-message__header--private { background: #fff3bf; border-bottom-color: #ffdd00; }
.hd-message__body {
  padding: 14px 16px;
  font-size: 15px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}
.hd-reply-form { margin-top: 24px; }

/* ── Public invoice page ── */
.pub-inv-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid #dee0e2;
  margin-bottom: 24px;
}
.pub-inv-tab {
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 400;
  color: #1d70b8;
  text-decoration: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}
.pub-inv-tab--active {
  color: #0b0c0c;
  font-weight: 700;
  border-bottom-color: #0b0c0c;
}
.pub-inv-panel { display: none; }
.pub-inv-panel--active { display: block; }