/*
  Controls, forms, tables and the small pieces of furniture.

  Buttons and fields keep the Bootstrap class names the templates already use, so that every screen
  is restyled at once rather than half of them being redrawn and half left behind. The names are a
  vocabulary; nothing here is Bootstrap.
*/

@layer components {
  .backlink {
    display: inline-flex;
    align-items: center;
    gap: var(--s-1);
    margin-bottom: var(--s-3);
    padding: var(--s-1) var(--s-2);
    margin-inline-start: calc(var(--s-2) * -1);
    border-radius: var(--radius);
    font-size: var(--text-sm);
    color: var(--ink-2);
    text-decoration: none;
  }

  .backlink:hover {
    color: var(--ink);
    background: var(--surface-sunk);
    text-decoration: none;
  }

  .backlink .icon { color: var(--ink-3); }
  .backlink:hover .icon { color: inherit; }

  /* Records ---------------------------------------------------------------- */

  /* A record reads as a ruled list: the field name on the left, the value on the right. */
  .datum-row {
    display: grid;
    grid-template-columns: minmax(9rem, 16ch) 1fr;
    gap: var(--s-1) var(--s-4);
    align-items: baseline;
    padding-block: var(--s-2);
    border-bottom: 1px solid var(--rule);
  }

  .datum-row:last-child { border-bottom: 0; }

  .datum-row .label { display: inline-flex; align-items: baseline; gap: var(--s-2); }
  .datum-row .label .icon { align-self: center; color: var(--ink-3); }

  .section-heading {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--ink-2);
    margin-block: var(--s-5) var(--s-2);
    padding-bottom: var(--s-1);
    border-bottom: 1px solid var(--rule-strong);
  }

  .blank-slate {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--s-2);
    padding: var(--s-5) var(--s-4);
    border: 1px dashed var(--rule-strong);
    border-radius: var(--radius-lg);
    color: var(--ink-2);
    margin-block: var(--s-3) var(--s-5);
  }

  .blank-slate p { margin: 0; }
  .blank-slate .icon { color: var(--ink-3); }

  /* A list of places to go, each with its own mark. */
  .cardlist { list-style: none; padding: 0; margin: 0; max-width: 40rem; }

  .cardlist__item {
    display: flex;
    align-items: flex-start;
    gap: var(--s-3);
    padding: var(--s-4) var(--s-2);
    border-bottom: 1px solid var(--rule);
    text-decoration: none;
    color: var(--ink);
  }

  .cardlist__item:hover { background: var(--surface-sunk); }
  .cardlist__item .icon { margin-top: 2px; color: var(--ink-3); }
  .cardlist__title { display: block; font-weight: 700; }
  .cardlist__note { display: block; font-size: var(--text-sm); color: var(--ink-2); }

  /* Buttons ---------------------------------------------------------------- */

  .btn {
    --btn-face: var(--surface);
    --btn-ink: var(--ink);
    --btn-rule: var(--rule-strong);

    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--s-2);
    min-height: var(--tap);
    padding: var(--s-2) var(--s-4);
    border: 1px solid var(--btn-rule);
    border-radius: var(--radius);
    background: var(--btn-face);
    color: var(--btn-ink);
    font-weight: 700;
    line-height: 1.2;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.12s ease, border-color 0.12s ease;
  }

  .btn:hover { background: color-mix(in oklab, var(--btn-face) 92%, var(--ink)); }

  .btn:disabled, .btn.disabled { opacity: 0.5; cursor: not-allowed; }

  .btn-sm { min-height: 2rem; padding: var(--s-1) var(--s-3); font-size: var(--text-sm); }
  .btn-lg { min-height: 2.75rem; padding: var(--s-3) var(--s-5); font-size: var(--text-lg); }
  .btn-block { display: flex; width: 100%; }

  /* The one filled button on a screen is the thing to do next. */
  .btn-primary {
    --btn-face: var(--accent);
    --btn-ink: var(--accent-ink);
    --btn-rule: var(--accent);
  }

  .btn-success {
    --btn-face: var(--money);
    --btn-ink: var(--money-ink);
    --btn-rule: var(--money);
  }

  .btn-danger {
    --btn-face: var(--owing);
    --btn-ink: var(--owing-ink);
    --btn-rule: var(--owing);
  }

  .btn-secondary, .btn-dark {
    --btn-face: var(--surface-sunk);
    --btn-ink: var(--ink);
  }

  .btn-light, .btn-outline-secondary {
    --btn-face: var(--surface);
    --btn-ink: var(--ink-2);
    --btn-rule: var(--rule);
  }

  .btn-outline-primary { --btn-face: var(--surface); --btn-ink: var(--accent); --btn-rule: var(--accent); }
  .btn-outline-success { --btn-face: var(--surface); --btn-ink: var(--money); --btn-rule: var(--money); }
  .btn-outline-danger  { --btn-face: var(--surface); --btn-ink: var(--owing); --btn-rule: var(--owing); }

  .btn-link {
    --btn-face: transparent;
    --btn-rule: transparent;
    --btn-ink: var(--ink);
    text-decoration: underline;
    text-underline-offset: 0.2em;
    font-weight: 400;
  }

  .btn-group {
    display: inline-flex;
  }

  /* A split button's menu is the group's last child, so the rounding has to count buttons only. */
  .btn-group > .btn { border-radius: 0; margin-inline-start: -1px; }

  .btn-group > .btn:nth-child(1 of .btn) {
    border-start-start-radius: var(--radius);
    border-end-start-radius: var(--radius);
    margin-inline-start: 0;
  }

  .btn-group > .btn:nth-last-child(1 of .btn) {
    border-start-end-radius: var(--radius);
    border-end-end-radius: var(--radius);
  }

  /* Forms ------------------------------------------------------------------ */

  .form-group { margin-bottom: var(--s-4); }

  label, .col-form-label {
    display: inline-block;
    font-weight: 700;
    font-size: var(--text-sm);
    margin-bottom: var(--s-1);
  }

  .col-form-label { padding-top: calc(var(--s-2) + 1px); margin-bottom: 0; }

  legend { font-weight: 700; font-size: var(--text-sm); padding: 0; }

  .form-control, .form-control-file, .custom-select, .selectize-input {
    display: block;
    width: 100%;
    min-height: var(--tap);
    padding: var(--s-2) var(--s-3);
    border: 1px solid var(--rule-strong);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--ink);
  }

  textarea.form-control { min-height: 5rem; resize: vertical; }

  select.form-control, .custom-select {
    appearance: none;
    padding-inline-end: var(--s-6);
    background-image: linear-gradient(45deg, transparent 50%, currentcolor 50%),
                      linear-gradient(135deg, currentcolor 50%, transparent 50%);
    background-position: right 1.05rem center, right 0.8rem center;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
  }

  .form-control:focus, .custom-select:focus {
    border-color: var(--accent);
    outline: 2px solid var(--accent);
    outline-offset: 1px;
  }

  .form-control.is-invalid { border-color: var(--owing); }

  .invalid-feedback { color: var(--owing); font-size: var(--text-sm); margin-top: var(--s-1); }

  .form-text { display: block; font-size: var(--text-sm); color: var(--ink-2); margin-top: var(--s-1); }

  .text-muted { color: var(--ink-2); }

  .form-check, .custom-control {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--s-2);
    min-height: var(--tap);
  }

  .form-check-label, .custom-control-label { cursor: pointer; }
  .form-check-input, .custom-control-input { cursor: pointer; }

  .form-check-inline, .custom-control-inline { display: inline-flex; margin-inline-end: var(--s-4); }

  .form-check-input, .custom-control-input {
    width: 1.15rem;
    height: 1.15rem;
    margin: 0;
    accent-color: var(--money);
    flex: none;
  }

  .form-check-label, .custom-control-label {
    margin-bottom: 0;
    font-weight: 400;
    font-size: var(--text);
  }

  .input-group { display: flex; }
  .input-group > .form-control { border-radius: 0; }
  .input-group > :first-child, .input-group > :first-child .input-group-text { border-start-start-radius: var(--radius); border-end-start-radius: var(--radius); }
  .input-group > :last-child, .input-group > :last-child .input-group-text { border-start-end-radius: var(--radius); border-end-end-radius: var(--radius); }

  .input-group-text {
    display: flex;
    align-items: center;
    padding: var(--s-2) var(--s-3);
    border: 1px solid var(--rule-strong);
    background: var(--surface-sunk);
    color: var(--ink-2);
    white-space: nowrap;
  }

  .input-group-prepend > .input-group-text { border-inline-end: 0; }
  .input-group-append  > .input-group-text { border-inline-start: 0; }

  /* A form's buttons sit together with air above them, not jammed under the last field. */
  .form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s-2);
    margin-top: var(--s-5);
    padding-top: var(--s-4);
    border-top: 1px solid var(--rule);
  }

  .prose-form { max-width: 34rem; }

  /* Numbered because these really are steps, taken in order. */
  .steps { list-style: none; counter-reset: step; padding: 0; margin: 0 0 var(--s-6); }

  .steps__step {
    counter-increment: step;
    position: relative;
    padding-inline-start: var(--s-6);
    padding-block: var(--s-3);
    border-top: 1px solid var(--rule);
  }

  .steps__step::before {
    content: counter(step);
    position: absolute;
    inset-inline-start: 0;
    top: var(--s-3);
    width: 1.5rem;
    height: 1.5rem;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: var(--text-sm);
    font-weight: 700;
  }

  .steps__title { font-size: var(--text); margin-bottom: var(--s-1); }

  /* A row of filters. Each control keeps room for its longest option and the row wraps rather
     than squeezing one of them until its text is cut off. */
  .filterbar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s-3);
    align-items: center;
    margin-bottom: var(--s-5);
  }

  .filterbar__field { flex: 1 1 12rem; min-width: 12rem; }
  .filterbar__field--wide { flex: 2 1 18rem; }
  .filterbar__field .form-group { margin-bottom: 0; }
  .filterbar__actions { flex: 0 0 auto; }

  @media (max-width: 35.99em) {
    .filterbar__field, .filterbar__field--wide { flex-basis: 100%; min-width: 0; }
    .filterbar__actions, .filterbar__actions .btn { width: 100%; }
  }

  /* Tables ----------------------------------------------------------------- */

  /* A wide table scrolls inside its own box rather than pushing the page sideways. */
  .table-responsive, .table-sm-responsive { overflow-x: auto; }

  .table {
    width: 100%;
    border-collapse: collapse;
    font-variant-numeric: tabular-nums;
  }

  .table th, .table td {
    padding: var(--s-3);
    text-align: start;
    vertical-align: top;
    border-bottom: 1px solid var(--rule);
  }

  .table thead th {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--ink-2);
    border-bottom: 1px solid var(--rule-strong);
    white-space: nowrap;
  }

  .table-sm th, .table-sm td { padding: var(--s-2) var(--s-3); }

  .table tbody tr:hover { background: var(--surface-sunk); }

  /* Rules, not boxes: striping and outer borders only add noise to a ruled list. */
  .table-striped tbody tr:nth-of-type(odd) { background: none; }
  .table-bordered th, .table-bordered td { border-inline: 0; }
  .table-clear td { border: 0; }

  /* Sort headings carry the direction as a caret, and the sorted one is set in ink. */
  a.sort_link { color: var(--ink-2); text-decoration: none; white-space: nowrap; }
  a.sort_link:hover { color: var(--ink); }
  a.sort_link.asc, a.sort_link.desc { color: var(--ink); }

  /* Never set this on the cell itself: a table cell told to be a flex container leaves the table
     layout, and the row's rules stop short of the column edge. */
  .cell-with-mark {
    display: flex;
    align-items: baseline;
    gap: var(--s-2);
  }

  .cell-with-mark > .icon,
  .cell-with-mark > .roundtag__dot { align-self: center; color: var(--ink-3); }

  /* Row controls sit together at the end of a row and never wrap onto two lines. */
  .row-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s-2);
    justify-content: flex-end;
    white-space: nowrap;
  }

  .section-heading--flush { margin-block: 0 0; border-bottom: 0; }

  /* Cards ------------------------------------------------------------------ */

  .card {
    background: var(--surface);
    border: 1px solid var(--rule);
    border-radius: var(--radius-lg);
  }

  .card + .card { margin-top: var(--s-3); }
  .card-body { padding: var(--s-4); }
  .card-header { padding: var(--s-3) var(--s-4); border-bottom: 1px solid var(--rule); }
  .card-footer { padding: var(--s-3) var(--s-4); border-top: 1px solid var(--rule); }
  .card-title { font-size: var(--text-sm); font-weight: 700; color: var(--ink-2); margin-bottom: var(--s-2); }
  .card-text { margin: 0; }

  /* Badges ----------------------------------------------------------------- */

  .badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25em;
    padding: 0.15em 0.5em;
    border-radius: var(--radius);
    font-size: var(--text-xs);
    font-weight: 700;
    line-height: 1.4;
    background: var(--surface-sunk);
    color: var(--ink-2);
    vertical-align: baseline;
  }

  .badge-success { background: var(--money-soft); color: var(--money); }
  .badge-danger  { background: var(--owing-soft); color: var(--owing); }
  .badge-warning { background: var(--owing-soft); color: var(--owing); }
  /* A customer's status is not money, so it takes the accent rather than the money colour. */
  .badge-info, .badge-primary { background: var(--accent-soft); color: var(--accent); }
  .badge-secondary, .badge-light, .badge-dark { background: var(--surface-sunk); color: var(--ink-2); }

  /* Alerts ----------------------------------------------------------------- */

  .alert {
    padding: var(--s-3) var(--s-4);
    border: 1px solid var(--rule);
    border-inline-start: 3px solid var(--accent);
    border-radius: var(--radius);
    background: var(--surface-sunk);
    margin-bottom: var(--s-4);
  }

  .alert-success { border-inline-start-color: var(--money); background: var(--money-soft); color: var(--money); }
  .alert-danger, .alert-error { border-inline-start-color: var(--owing); background: var(--owing-soft); color: var(--owing); }
  .alert-warning { border-inline-start-color: var(--owing); background: var(--owing-soft); color: var(--owing); }
  .alert a { color: inherit; }

  .alert-dismissible { display: flex; align-items: flex-start; gap: var(--s-3); }
  .alert-dismissible .close {
    margin-inline-start: auto;
    background: none;
    border: 0;
    font-size: var(--text-lg);
    line-height: 1;
    cursor: pointer;
    color: inherit;
  }

  /* Tabs ------------------------------------------------------------------- */

  .nav-tabs {
    display: flex;
    gap: var(--s-1);
    list-style: none;
    margin: 0 0 var(--s-5);
    padding: 0;
    border-bottom: 1px solid var(--rule);
    overflow-x: auto;
  }

  .nav-tabs .nav-link {
    display: flex;
    align-items: center;
    gap: var(--s-2);
    padding: var(--s-2) var(--s-3);
    text-decoration: none;
    color: var(--ink-2);
    white-space: nowrap;
  }

  .nav-tabs .nav-link:hover { color: var(--ink); }

  .nav-tabs .nav-link.active {
    color: var(--accent);
    font-weight: 700;
    box-shadow: inset 0 -2px 0 var(--accent);
  }

  /* Dropdowns -------------------------------------------------------------- */
  /* Bootstrap's JavaScript toggles .show, so that is the contract these honour. */

  .dropdown, .btn-group { position: relative; }

  .dropdown-menu {
    display: none;
    position: absolute;
    inset-inline-start: 0;
    top: 100%;
    z-index: 40;
    min-width: 12rem;
    padding: var(--s-1);
    margin-top: var(--s-1);
    background: var(--surface);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sheet);
  }

  .dropdown-menu.show { display: block; }
  .dropdown-menu-right { inset-inline-start: auto; inset-inline-end: 0; }

  .dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--s-2);
    width: 100%;
    padding: var(--s-2) var(--s-3);
    border: 0;
    border-radius: var(--radius);
    background: none;
    text-align: start;
    text-decoration: none;
    color: var(--ink);
    cursor: pointer;
  }

  .dropdown-item:hover { background: var(--surface-sunk); }

  .dropdown-divider { height: 1px; margin: var(--s-1) 0; background: var(--rule); }

  .dropdown-heading {
    padding: var(--s-1) var(--s-3);
    font-size: var(--text-xs);
    color: var(--ink-3);
  }

  .dropdown-item[aria-current="true"] { font-weight: 700; }
  .dropdown-item[aria-current="true"]::after { content: "\2713"; margin-inline-start: auto; }

  .dropdown-toggle::after {
    content: "";
    display: inline-block;
    margin-inline-start: var(--s-2);
    border: 4px solid transparent;
    border-top-color: currentcolor;
    translate: 0 2px;
  }

  /* Collapse --------------------------------------------------------------- */

  .collapse:not(.show) { display: none; }
  .collapsing { overflow: hidden; height: 0; transition: height 0.2s ease; }

  /* Modals ----------------------------------------------------------------- */

  .modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1050;
    overflow-y: auto;
    padding: var(--s-4);
  }

  .modal-dialog {
    width: min(100%, 34rem);
    margin-inline: auto;
    margin-block: var(--s-6) var(--s-7);
  }

  .modal-lg .modal-dialog, .modal-dialog.modal-lg { width: min(100%, 52rem); }

  .modal-content {
    background: var(--surface);
    border: 1px solid var(--rule);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sheet);
    overflow: hidden;
  }

  .modal-header {
    display: flex;
    align-items: center;
    gap: var(--s-3);
    padding: var(--s-4);
    border-bottom: 1px solid var(--rule);
  }

  .modal-title { font-size: var(--text-lg); font-weight: 700; margin: 0; }

  .modal-header .close {
    margin-inline-start: auto;
    background: none;
    border: 0;
    font-size: var(--text-xl);
    line-height: 1;
    cursor: pointer;
    color: var(--ink-2);
  }

  .modal-body { padding: var(--s-4); }

  .modal-footer {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s-2);
    justify-content: flex-end;
    padding: var(--s-4);
    border-top: 1px solid var(--rule);
  }

  .modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1040;
    background: light-dark(#131a17, #000);
    opacity: 0;
  }

  .modal-backdrop.show { opacity: 0.45; }

  body.modal-open { overflow: hidden; }

  .fade { transition: opacity 0.15s linear; }
  .fade:not(.show) { opacity: 0; }
  .modal.fade .modal-dialog { transition: translate 0.2s ease; translate: 0 -0.75rem; }
  .modal.show .modal-dialog { translate: 0 0; }

  /* Pagination ------------------------------------------------------------- */

  .pagination {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s-1);
    list-style: none;
    padding: 0;
    margin: var(--s-5) 0 0;
  }

  .page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: var(--tap);
    min-height: var(--tap);
    padding-inline: var(--s-2);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--ink-2);
  }

  .page-link:hover { background: var(--surface-sunk); color: var(--ink); }

  .page-item.active .page-link {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--accent-ink);
    font-weight: 700;
  }

  .page-item.disabled .page-link { opacity: 0.4; pointer-events: none; }
}