.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.chips a { text-decoration: none; color: var(--ink); border: 1px solid var(--line-strong); background: var(--surface); border-radius: 20px; padding: 7px 14px; font-size: 14px; font-weight: 500; }
.chips a:hover { border-color: var(--ink); }
.ab-sec { padding-top: 34px; scroll-margin-top: 70px; }
.sec-intro { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 14px; }
.sec-intro .num { flex: 0 0 auto; width: 34px; height: 34px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; font: 600 16px 'Space Grotesk', sans-serif; margin-top: 2px; }
.sec-intro h2 { margin: 0; font-size: 24px; letter-spacing: -.01em; }
.sec-intro p { margin: 4px 0 0; color: var(--ink-2); max-width: 75ch; }
.box { padding: 18px 20px; }
@media (max-width: 720px) { .box { padding: 14px; } }
.q { width: 100%; margin-top: 6px; font: 500 17px 'IBM Plex Sans', sans-serif; padding: 12px 14px; border: 1.5px solid var(--line-strong); border-radius: 12px; background: var(--surface); color: var(--ink); min-height: 48px; }
.q:focus { outline: 2px solid var(--ink); outline-offset: 1px; border-color: var(--ink); }
.filters { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.filters button { border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink); border-radius: 16px; padding: 5px 12px; font: 500 13px 'IBM Plex Sans', sans-serif; cursor: pointer; min-height: 34px; }
.filters button[aria-pressed="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }
.rows { margin-top: 14px; }
.count { font-size: 13px; color: var(--muted); margin: 0 0 8px; }
.grp { margin: 16px 0 6px; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.row, .head { display: grid; gap: 4px 14px; align-items: center; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.head { font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); font-weight: 600; border-bottom: 1.5px solid var(--line-strong); padding-top: 4px; }
.row:hover { background: #FAFAF8; }
.code { font: 600 15px 'IBM Plex Mono', monospace; color: var(--ink); }
.pill { display: inline-block; font: 600 13px 'IBM Plex Mono', monospace; color: var(--ink); border: 1px solid var(--line-strong); border-radius: 6px; padding: 1px 7px; background: var(--surface); }
.muted-c { color: var(--muted); }
/* airlines */
.al-row { grid-template-columns: minmax(0, 1fr) 70px 70px 80px; }
.al-name { display: flex; align-items: center; gap: 10px; min-width: 0; }
.al-name b { color: var(--ink); font-weight: 600; }
.al-name small { display: block; color: var(--muted); font-size: 12.5px; }
.al-logo { width: 30px; height: 30px; flex: 0 0 auto; border-radius: 7px; border: 1px solid var(--line); background: #fff; overflow: hidden; display: grid; place-items: center; }
.al-logo img { width: 100%; height: 100%; object-fit: contain; }
.al-logo b { display: none; font: 600 10px 'IBM Plex Mono', monospace; color: #fff; }
.al-logo.nologo { background: var(--ink); border-color: var(--ink); }
.al-logo.nologo img { display: none; }
.al-logo.nologo b { display: block; }
/* shc */
.shc-row { grid-template-columns: 70px minmax(0, 1fr); }
.shc-row b { color: var(--ink); }
.shc-row p { margin: 1px 0 0; color: var(--ink-2); font-size: 14px; }
/* dg */
.dg-row { grid-template-columns: 78px minmax(0, 1fr) 52px 64px 108px 108px 58px; cursor: pointer; }
.dg-row.open { background: #F6F6F3; border-bottom-color: transparent; }
.dg-row .nm { color: var(--ink); font-weight: 500; }
.ok, .no, .ck { display: inline-flex; align-items: center; gap: 5px; font-size: 13px; font-weight: 600; border-radius: 6px; padding: 2px 7px; white-space: nowrap; }
.ok { background: #E6F2EA; color: #1F6B3A; }
.no { background: #FBE9E7; color: #A33A2B; }
.ck { background: #F7F4EA; color: #6B5A1E; }
.detail { padding: 4px 12px 16px; background: #F6F6F3; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 76px minmax(0, 1fr); gap: 14px; }
.detail h4 { margin: 8px 0 2px; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.detail p { margin: 0; color: var(--ink-2); }
.detail .warn { color: #6B5A1E; }
.detail a { color: var(--ink); }
.lbl { display: none; }
@media (max-width: 820px) {
  .head { display: none; }
  .al-row { grid-template-columns: minmax(0, 1fr) auto; }
  .al-row .al-name { grid-column: 1 / -1; }
  .al-row .cell { display: flex; gap: 8px; align-items: baseline; }
  .al-row { grid-template-columns: repeat(3, auto); justify-content: start; gap: 6px 18px; }
  .dg-row { grid-template-columns: auto minmax(0, 1fr) auto; gap: 6px 10px; padding: 12px 10px; }
  .dg-row .nm { grid-column: 2 / 4; grid-row: 1; }
  .dg-row .c-un { grid-column: 1; grid-row: 1; }
  .dg-row .c-cls, .dg-row .c-pg, .dg-row .c-pax, .dg-row .c-cao, .dg-row .c-shc { grid-row: auto; }
  .dg-row > .cell:not(.nm):not(.c-un) { display: flex; gap: 6px; align-items: center; }
  .dg-row .c-cls { grid-column: 1; }
  .dg-row .c-pg { grid-column: 2 / 4; }
  .dg-row .c-pax { grid-column: 1 / 3; }
  .dg-row .c-cao { grid-column: 1 / 3; }
  .dg-row .c-shc { grid-column: 3; grid-row: 3 / 5; align-self: center; }
  .lbl { display: inline; font-size: 12px; color: var(--muted); font-weight: 600; letter-spacing: .03em; }
  .detail { grid-template-columns: 1fr; }
  .detail .dia { display: none; }
}
/* classes */
.sub-h { margin: 22px 0 10px; font: 600 18px 'Space Grotesk', sans-serif; }
.classes { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 10px; margin-bottom: 18px; }
.cls { display: flex; gap: 12px; align-items: flex-start; text-align: left; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 12px; cursor: pointer; font: inherit; color: inherit; }
.cls:hover, .cls[aria-pressed="true"] { border-color: var(--ink); }
.cls[aria-pressed="true"] { box-shadow: inset 0 0 0 1px var(--ink); }
.cls svg { flex: 0 0 auto; }
.cls b { display: block; color: var(--ink); font-size: 15px; }
.cls span { display: block; font-size: 13.5px; color: var(--ink-2); margin-top: 2px; }
.cls small { display: block; font-size: 12.5px; color: var(--muted); margin-top: 4px; }
.howto { padding: 18px 20px; margin-bottom: 6px; }
.howto h3 { margin: 0 0 10px; font: 600 18px 'Space Grotesk', sans-serif; }
.howto-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px 20px; }
@media (max-width: 820px) { .howto-grid { grid-template-columns: 1fr; } .howto { padding: 14px; } }
.howto-grid b { color: var(--ink); }
.howto-grid p { margin: 2px 0 0; font-size: 14px; color: var(--ink-2); }
.howto code, .detail code { font: 600 13px 'IBM Plex Mono', monospace; background: #F0F0EC; border-radius: 4px; padding: 0 4px; }
.steps { margin: 14px 0 0; padding-top: 12px; border-top: 1px solid var(--line); font-size: 14px; color: var(--ink-2); }
.steps b { color: var(--ink); }
.fine { font-size: 12.5px; color: var(--muted); margin: 12px 0 0; }
.empty { padding: 14px 12px; color: var(--muted); }
/* terms */
.t-row { grid-template-columns: 150px minmax(0, 1fr); }
.t-row b { color: var(--ink); }
.t-row p { margin: 1px 0 0; font-size: 14px; color: var(--ink-2); }
@media (max-width: 720px) { .t-row, .shc-row { grid-template-columns: 1fr; gap: 2px; } }
.ab-foot { padding-top: 34px; }
.notice { padding: 16px 18px; margin-bottom: 16px; border-left: 4px solid var(--ink); }
.notice b { display: block; color: var(--ink); }
.notice span { color: var(--ink-2); font-size: 14px; }
.notice a { color: var(--ink); }
.shc-link { background: none; border: 0; padding: 0; font: inherit; color: inherit; cursor: pointer; }
.hl { background: #FFF1B8; border-radius: 3px; }

/* Special handling codes: groups collapsed until opened */
.hint-open { margin: 6px 0 10px; font-size: 13.5px; color: var(--muted); }
.grp-box { border: 1px solid var(--line); border-radius: 12px; margin-bottom: 8px; background: var(--surface); overflow: hidden; }
.grp-box summary { display: grid; grid-template-columns: auto auto minmax(0, 1fr); align-items: baseline; gap: 4px 12px; padding: 12px 14px; cursor: pointer; list-style: none; }
.grp-box summary::-webkit-details-marker { display: none; }
.grp-box summary::before { content: '›'; grid-row: 1; font-size: 18px; line-height: 1; color: var(--muted); transition: transform .15s; display: inline-block; margin-right: -4px; }
.grp-box[open] summary::before { transform: rotate(90deg); }
.grp-box summary { grid-template-columns: 12px auto auto minmax(0, 1fr); }
.grp-name { font-weight: 600; color: var(--ink); }
.grp-n { font-size: 13px; color: var(--muted); white-space: nowrap; }
.grp-codes { font: 500 12.5px 'IBM Plex Mono', monospace; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.grp-box[open] summary { border-bottom: 1px solid var(--line); background: var(--surface-2); }
.grp-box .row { padding-left: 14px; padding-right: 14px; }
@media (max-width: 560px) { .grp-box summary { grid-template-columns: 12px auto 1fr; } .grp-codes { grid-column: 2 / -1; } }