.kbl-shell {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.kbl-intro,
.kbl-panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
}

.kbl-intro {
  padding: clamp(18px, 4vw, 30px);
  background: var(--card);
}

.kbl-intro h2 {
  max-width: 780px;
  margin: 4px 0 10px;
  font-size: clamp(24px, 4vw, 38px);
}

.kbl-intro > p:last-child {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
}

.kbl-eyebrow {
  margin: 0;
  color: var(--accent);
  font: 700 11px/1.3 var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.kbl-panel { padding: clamp(16px, 3vw, 24px); }
.kbl-panel > h2 { margin: 0 0 6px; font-size: clamp(18px, 3vw, 24px); }
.kbl-muted { color: var(--muted); }
.kbl-panel > .kbl-muted { margin: 0 0 18px; max-width: 800px; }

.kbl-notice,
.kbl-callout {
  padding: 12px 14px;
  border: 1px solid color-mix(in srgb, var(--good) 38%, var(--line));
  border-radius: 10px;
  background: var(--good-soft);
  color: var(--ink);
}

.kbl-warning {
  border-color: color-mix(in srgb, var(--warn) 42%, var(--line));
  background: var(--warn-soft);
}

.kbl-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  min-width: 0;
}

.kbl-field {
  display: grid;
  gap: 6px;
  min-width: 0;
  color: var(--ink);
  font-size: 13px;
  font-weight: 650;
}

.kbl-field:has(textarea),
.kbl-upload,
.kbl-check,
.kbl-answer,
.kbl-form-grid > .kbl-button,
.kbl-form-grid > .kbl-status {
  grid-column: 1 / -1;
}

.kbl-label { display: block; }
.kbl-hint { color: var(--muted); font-size: 11px; font-weight: 500; }

.kbl-field input,
.kbl-field select,
.kbl-field textarea,
.kbl-upload select {
  width: 100%;
  min-width: 0;
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--card);
  color: var(--ink);
  font: 500 14px/1.35 var(--font-body);
}

.kbl-field textarea { resize: vertical; }
.kbl-field input:focus-visible,
.kbl-field select:focus-visible,
.kbl-field textarea:focus-visible,
.kbl-button:focus-visible,
.kbl-file:focus-within,
.kbl-sources summary:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 42%, transparent);
  outline-offset: 2px;
}

.kbl-upload {
  min-width: 0;
  padding: 14px;
  border: 1px dashed var(--line);
  border-radius: 12px;
  background: var(--bg);
}

.kbl-upload h3 { margin: 0 0 4px; font-size: 15px; }
.kbl-upload > p { margin: 0 0 12px; font-size: 12px; }

.kbl-file {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 9px 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  cursor: pointer;
  font-size: 12px;
  font-weight: 650;
}

.kbl-file input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.kbl-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 12px;
}

.kbl-button {
  min-height: 38px;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: var(--ink);
  cursor: pointer;
  font: 650 12.5px/1.2 var(--font-body);
}

.kbl-button:hover:not(:disabled) { border-color: var(--accent); }
.kbl-button:disabled { cursor: not-allowed; opacity: .52; }
.kbl-button.kbl-primary { border-color: var(--rail); background: var(--rail); color: #fff; }
:root[data-theme="dark"] .kbl-button.kbl-primary { border-color: var(--accent); background: var(--accent); color: #111728; }

.kbl-status {
  min-height: 20px;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.kbl-preview { margin-top: 10px; }
.kbl-media { display: grid; gap: 7px; min-width: 0; margin-top: 12px; }
.kbl-media strong { font-size: 11px; color: var(--muted); overflow-wrap: anywhere; }
.kbl-media audio,
.kbl-media video { width: 100%; max-width: 560px; border-radius: 8px; background: #0b1020; }
.kbl-media video { max-height: 310px; }

.kbl-queue { margin-top: 24px; }
.kbl-queue > h3 { margin: 0 0 10px; font-size: 15px; }
.kbl-empty { margin: 10px 0 0; color: var(--muted); }

.kbl-feedback-card {
  min-width: 0;
  margin-top: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg);
}

.kbl-feedback-card h3,
.kbl-feedback-card p { margin: 0 0 8px; }
.kbl-feedback-card p { overflow-wrap: anywhere; }
.kbl-card-top { display: flex; gap: 10px; align-items: flex-start; justify-content: space-between; }
.kbl-card-top strong { min-width: 0; overflow-wrap: anywhere; }

.kbl-badge {
  flex: none;
  padding: 5px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font: 700 10px/1 var(--mono);
}

.kbl-badge.kbl-published { background: var(--good-soft); color: var(--good); }
.kbl-badge.kbl-review { background: var(--warn-soft); color: var(--warn); }
.kbl-mark { color: var(--muted); font: 650 11.5px/1.4 var(--mono); }

.kbl-tutorial-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.kbl-tutorial {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg);
}

.kbl-tutorial h3 { margin: 0; font-size: 15px; }
.kbl-tutorial p { margin: 8px 0 0; color: var(--muted); font-size: 12.5px; }
.kbl-tutorial .kbl-actions { margin-top: auto; padding-top: 10px; }
.kbl-step { color: var(--accent) !important; font: 700 10px/1.3 var(--mono); text-transform: uppercase; }

.kbl-check {
  display: flex;
  gap: 9px;
  align-items: flex-start;
  font-size: 13px;
  font-weight: 600;
}

.kbl-check input { width: 18px; height: 18px; margin: 1px 0 0; accent-color: var(--accent); }
.kbl-answer { min-height: 74px; margin-top: 4px; padding: 13px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); }
.kbl-answer:empty::before { content: "..."; color: var(--muted); }
.kbl-answer > p { margin: 0; }

.kbl-citation {
  display: grid;
  gap: 5px;
  margin: 12px 0 0;
  padding: 10px 12px;
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
  background: var(--card);
  font-size: 12px;
}

.kbl-citation strong { font: 700 10px/1.35 var(--mono); }
.kbl-sources { margin-top: 16px; border-top: 1px solid var(--line); padding-top: 12px; }
.kbl-sources summary { cursor: pointer; color: var(--accent); font-weight: 650; }
.kbl-sources p { margin: 10px 0 0; color: var(--muted); font-size: 12px; }

@media (max-width: 700px) {
  .kbl-form-grid,
  .kbl-tutorial-grid { grid-template-columns: minmax(0, 1fr); }
  .kbl-field,
  .kbl-upload,
  .kbl-check,
  .kbl-answer,
  .kbl-form-grid > .kbl-button,
  .kbl-form-grid > .kbl-status { grid-column: 1; }
}

@media (max-width: 380px) {
  .kbl-intro,
  .kbl-panel { padding: 14px; border-radius: 12px; }
  .kbl-card-top { display: grid; }
  .kbl-badge { justify-self: start; }
  .kbl-actions { display: grid; grid-template-columns: minmax(0, 1fr); }
  .kbl-button { width: 100%; white-space: normal; }
  .kbl-media audio { min-width: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .kbl-shell * { scroll-behavior: auto !important; }
}