.webhook-builder { container: builder / inline-size; scroll-margin-top: 96px; margin: 32px 0 48px; border: 1px solid var(--line-strong); border-radius: 16px; background: var(--surface-card); overflow-wrap: anywhere; }
.webhook-builder h3 { margin: 0 0 8px; font-size: clamp(1.45rem, 3vw, 2rem); letter-spacing: -.04em; }
.webhook-builder h4 { margin: 0; font-size: .9rem; }
.webhook-builder p { max-width: none; }
.webhook-builder [hidden] { display: none; }
.wb-heading { display: flex; align-items: start; justify-content: space-between; gap: 16px; padding: 28px 24px 20px; }
.webhook-builder .wb-eyebrow { margin: 0 0 10px; color: var(--blue); font: 600 .7rem/1.4 var(--mono); text-transform: uppercase; letter-spacing: .1em; }
.wb-lead { color: var(--soft); margin: 0; font-size: .9rem; }
.wb-history { display: flex; flex-wrap: wrap; gap: 6px; }
.wb-topbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 0 24px 16px; border-bottom: 1px solid var(--line); }
.wb-tabs { display: flex; gap: 3px; padding: 4px; background: var(--surface-tint); border: 1px solid var(--line); border-radius: 9px; }
.wb-tabs button { border: 0; border-radius: 6px; padding: 7px 20px; font-size: .875rem; background: transparent; color: var(--soft); }
.wb-tabs button[aria-selected="true"] { background: var(--surface-card); color: var(--ink); box-shadow: 0 1px 4px #00000012; font-weight: 650; }
.wb-layout { display: grid; grid-template-columns: minmax(0, 1fr); }
.wb-compose { min-width: 0; padding: 24px; }
.wb-section-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.wb-count, .wb-live { color: var(--soft); font: .7rem/1.4 var(--mono); }
.wb-live::before { content: ''; display: inline-block; width: 6px; height: 6px; margin-right: 6px; border-radius: 50%; background: var(--success-ink); }
.wb-settings { margin-bottom: 18px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px; }
.wb-settings summary { cursor: pointer; color: var(--soft); font-size: .8rem; }
.wb-settings[open] summary { margin-bottom: 16px; }
.wb-fields { display: grid; gap: 4px; }
.wb-field { display: grid; gap: 6px; min-width: 0; margin: 0 0 14px; font-size: .8rem; color: var(--soft); font-weight: 550; }
.wb-field input, .wb-field textarea, .wb-json { box-sizing: border-box; width: 100%; min-width: 0; padding: 10px 12px; border: 1px solid var(--line-strong); border-radius: 6px; background: var(--surface-card); color: var(--ink); font: inherit; font-weight: 400; }
.wb-field textarea { min-height: 96px; resize: vertical; line-height: 1.6; }
.webhook-builder :is(input, textarea, summary, button, a):focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
.webhook-builder button { font-family: inherit; cursor: pointer; }
.webhook-builder button:disabled { opacity: .4; cursor: not-allowed; }
.wb-toolbar, .wb-block-actions, .wb-preview-actions, .wb-export { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.wb-toolbar { margin: 12px 0 0; }
.wb-small-button { border: 1px solid var(--line-strong); border-radius: 6px; background: var(--surface-card); color: var(--ink); padding: 7px 10px; font-size: .8rem; line-height: 1.4; }
.wb-small-button:hover:not(:disabled) { border-color: var(--blue); color: var(--blue); background: var(--active); }
.wb-block { min-width: 0; margin: 10px 0; border: 1px solid var(--line); border-radius: 10px; background: var(--surface-card); }
.wb-block[open] { border-color: var(--line-strong); }
.wb-block-summary { display: flex; align-items: center; gap: 12px; padding: 14px; cursor: pointer; list-style: none; }
.wb-block-summary::-webkit-details-marker { display: none; }
.wb-block-summary::after { content: '+'; margin-left: auto; color: var(--soft); }
.wb-block[open] > .wb-block-summary::after { content: '−'; }
.wb-block-number { flex: none; display: grid; place-items: center; width: 30px; height: 30px; background: var(--surface-tint); color: var(--soft); border-radius: 7px; font: .7rem var(--mono); }
.wb-block-description { min-width: 0; display: grid; gap: 3px; font-size: .85rem; }
.wb-block-caption { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; color: var(--soft); font-size: .75rem; }
.wb-block-fields { padding: 0 14px 4px; }
.wb-block-actions { margin: 0 0 16px; padding-top: 12px; border-top: 1px solid var(--line); gap: 6px; }
.wb-block-actions button { font-size: .7rem; padding: 6px 8px; }
.wb-block-actions button:last-child { margin-left: auto; }
.wb-block-actions button:last-child:hover { color: var(--danger); border-color: var(--danger); }
.wb-action-fields { padding-top: 12px; margin-bottom: 12px; border-top: 1px solid var(--line); }
.wb-action-fields + .wb-small-button { margin-bottom: 14px; }
.wb-add-panel { margin-top: 18px; padding: 16px; border: 1px dashed var(--line-strong); border-radius: 10px; background: var(--surface-tint); }
.wb-add-label { font-size: .75rem; color: var(--soft); }
.wb-empty { padding: 28px 16px; text-align: center; color: var(--soft); font-size: .875rem; }
.wb-preview-column { min-width: 0; padding: 24px; background: var(--surface-tint); border-top: 1px solid var(--line); }
.wb-preview { padding: 20px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface-card); overflow-wrap: anywhere; box-shadow: 0 4px 20px #00000004; }
.wb-message-header { display: flex; gap: 10px; align-items: center; margin-bottom: 20px; font-size: .85rem; }
.wb-message-header strong { min-width: 0; }
.wb-avatar { display: grid; flex: none; place-items: center; width: 32px; height: 32px; border-radius: 9px; background: var(--blue); color: #fff; }
.wb-app-label { color: var(--soft); font-size: .6rem; border: 1px solid var(--line); padding: 1px 5px; border-radius: 4px; }
.wb-message-content h5 { font-size: 1.15rem; line-height: 1.4; margin: 0 0 12px; }
.wb-message-content p { font-size: .875rem; margin: 10px 0; white-space: pre-wrap; }
.wb-preview-empty, .wb-preview-placeholder { color: var(--soft); font-size: .85rem; }
.wb-preview-placeholder { border: 1px dashed var(--line-strong); padding: 12px; border-radius: 6px; }
.wb-image { display: grid; place-items: center; gap: 10px; min-height: 150px; padding: 16px; margin: 14px 0; border: 1px dashed var(--line-strong); border-radius: 7px; color: var(--soft); }
.wb-image img { max-width: 100%; max-height: 320px; object-fit: contain; }
.wb-preview-actions a { display: inline-flex; border: 1px solid var(--line-strong); border-radius: 6px; padding: 7px 12px; color: var(--blue); font-size: .8rem; text-decoration: none; }
.wb-table-editor, .wb-preview-table { overflow-x: auto; margin: 12px 0; }
.wb-table-editor table, .wb-preview-table table { margin: 0; width: 100%; font-size: .8rem; }
.wb-table-editor th, .wb-table-editor td { padding: 8px; min-width: 120px; }
.wb-table-editor th { text-transform: none; letter-spacing: normal; }
.wb-table-editor .wb-field { margin-bottom: 4px; }
.wb-cell > span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.wb-preview-table th { font-size: .7rem; }
.wb-preview-table th, .wb-preview-table td { padding: 8px 10px; }
.wb-preview-note, .wb-privacy, .wb-issue { color: var(--soft); font-size: .75rem; line-height: 1.6; }
.wb-valid { color: var(--success-ink); font-weight: 550; }
.wb-invalid { color: var(--danger); }
.wb-validation { margin: 20px 0; font-size: .8rem; }
.wb-validation p { margin: 5px 0; }
.wb-export { padding-top: 16px; border-top: 1px solid var(--line); }
.wb-export .btn { padding: 8px 14px; font-size: .8rem; min-height: 0; }
.wb-field .wb-json { min-height: 440px; resize: vertical; font: .75rem/1.7 var(--mono); tab-size: 2; background: var(--surface-tint); }
.wb-send-panel { padding: 20px 24px; border-top: 1px solid var(--line); }
.wb-send-panel > summary { cursor: pointer; font-size: .875rem; font-weight: 600; }
.wb-send-panel > summary span { margin-left: 12px; color: var(--soft); font-size: .75rem; font-weight: 400; }
.wb-send { padding-top: 22px; }
.wb-send h4 { margin-bottom: 16px; }
.webhook-builder .wb-status { margin: 0; padding: 0 24px; color: var(--soft); font-size: .8rem; }
.webhook-builder .wb-status:not(:empty) { padding-block: 12px; border-bottom: 1px solid var(--line); }
.webhook-builder .wb-status.wb-invalid { color: var(--danger); }
.wb-cors { padding: 0 24px 20px; }
.wb-cors summary { cursor: pointer; color: var(--soft); font-size: .75rem; }
.wb-cors pre { font-size: .75rem; }
@container builder (min-width: 700px) {
  .wb-layout { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); align-items: start; }
  .wb-preview-column { position: sticky; top: 90px; border-top: 0; border-left: 1px solid var(--line); }
}
@container builder (max-width: 460px) {
  .wb-heading { flex-direction: column; }
  .wb-heading, .wb-compose, .wb-preview-column { padding: 18px 14px; }
  .wb-topbar { padding-inline: 14px; flex-wrap: wrap; }
  .wb-topbar .wb-history { margin-left: auto; }
  .wb-tabs button { padding-inline: 16px; }
  .wb-send-panel { padding-inline: 14px; }
  .wb-send-panel > summary span { display: block; margin: 6px 0 0; }
  .wb-preview { padding: 14px; }
  .wb-cors { padding-inline: 14px; }
}