/* CCNA drag-and-drop — light shell matching SEC+ PBQ chrome (secplus-pbq-page.css) */

body.ccna-dnd-ui {
  padding-bottom: calc(96px + env(safe-area-inset-bottom, 0px)) !important;
}

body.ccna-dnd-ui .question-shell {
  width: min(1180px, 100%);
}

body.ccna-dnd-ui .card,
body.ccna-dnd-ui main.card {
  width: 100%;
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
  box-sizing: border-box;
}

body.ccna-dnd-ui .card h1,
body.ccna-dnd-ui main.card h1 {
  margin: 0 0 10px;
  font-size: clamp(1.05rem, 2.3vw, 1.45rem);
  line-height: 1.35;
  color: #1a3d6e;
}

body.ccna-dnd-ui .sub {
  margin: 0 0 14px;
  line-height: 1.5;
  color: #475569;
  font-size: 0.95rem;
}

body.ccna-dnd-ui .sub code {
  font-size: 0.9em;
}

body.ccna-dnd-ui .page-logo-watermark {
  display: flex;
}

body.ccna-dnd-ui .page-logo-watermark img {
  opacity: 0.14;
}

body.ccna-dnd-ui .sim-frame {
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: 0;
}

body.ccna-dnd-ui .layout {
  display: grid;
  gap: 14px;
  align-items: start;
  grid-template-columns: minmax(0, 1.35fr) minmax(220px, 0.85fr);
}

body.ccna-dnd-ui .layout:has(.panel:first-child #bank),
body.ccna-dnd-ui .layout:has(.panel:first-child .bank) {
  grid-template-columns: minmax(220px, 0.85fr) minmax(0, 1.35fr);
}

body.ccna-dnd-ui .layout:has(.panel:last-child #bank),
body.ccna-dnd-ui .layout:has(.panel:last-child .bank) {
  grid-template-columns: minmax(0, 1.35fr) minmax(220px, 0.85fr);
}

@media (max-width: 900px) {
  body.ccna-dnd-ui .layout {
    grid-template-columns: 1fr;
  }
}

body.ccna-dnd-ui .panel {
  border: 0;
  border-radius: 0;
  padding: 0;
  background: transparent;
}

body.ccna-dnd-ui .panel h2 {
  margin: 0 0 10px;
  font-size: 1rem;
  color: #1a3d6e;
}

body.ccna-dnd-ui .bank {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 48px;
}

body.ccna-dnd-ui .token {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #3d6dbb;
  background: #254b8a;
  color: #e6edf3;
  font-weight: 700;
  font-size: 0.86rem;
  line-height: 1.38;
  cursor: grab;
  user-select: none;
  text-align: left;
}

body.ccna-dnd-ui .token--mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.78rem;
}

body.ccna-dnd-ui .token:active {
  cursor: grabbing;
}

body.ccna-dnd-ui .token.is-picked {
  border-color: #1a3d6e;
  box-shadow: 0 0 0 2px rgba(26, 61, 110, 0.35);
}

body.ccna-dnd-ui .drop-slot,
body.ccna-dnd-ui .slot {
  display: flex;
  min-height: 48px;
  height: auto;
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px dashed #3d6dbb;
  background: transparent;
  color: #1a3d6e;
  align-items: center;
  justify-content: flex-start;
  text-align: left;
  box-sizing: border-box;
  font-size: inherit;
  font-weight: 600;
  line-height: 1.4;
}

body.ccna-dnd-ui .drop-slot:not(:empty),
body.ccna-dnd-ui .slot:not(:empty) {
  min-height: auto;
  padding: 6px 8px;
}

body.ccna-dnd-ui pre .drop-slot,
body.ccna-dnd-ui pre .slot,
body.ccna-dnd-ui .code .drop-slot,
body.ccna-dnd-ui .code .slot {
  display: inline-flex;
  width: auto;
  min-width: 5ch;
  max-width: 100%;
  min-height: 1.35em;
  height: auto;
  padding: 2px 6px;
  margin: 0 2px;
  vertical-align: baseline;
  flex: 0 1 auto;
  justify-content: center;
  text-align: center;
}

body.ccna-dnd-ui .drop-slot:empty::before {
  content: "Drop here";
  color: #64748b;
}

body.ccna-dnd-ui .drop-slot.over {
  border-style: dashed;
  border-color: #1a3d6e;
  background: rgba(26, 61, 110, 0.06);
}

body.ccna-dnd-ui .drop-slot.correct {
  border-color: #1f7a58;
  background: #113e2d;
  color: #e6edf3;
}

body.ccna-dnd-ui .drop-slot.correct::before {
  content: none;
}

body.ccna-dnd-ui .drop-slot.incorrect {
  border-color: #8c3434;
  background: #442020;
  color: #e6edf3;
}

body.ccna-dnd-ui .drop-slot.incorrect::before {
  content: none;
}

body.ccna-dnd-ui .drop-slot .token,
body.ccna-dnd-ui .slot .token {
  width: 100%;
  height: auto;
  min-height: 40px;
  cursor: grab;
  background: #254b8a;
  border-color: #3d6dbb;
  color: #e6edf3;
  white-space: normal;
  word-break: break-word;
  text-align: left;
}

body.ccna-dnd-ui pre .drop-slot .token,
body.ccna-dnd-ui .code .drop-slot .token {
  width: auto;
  min-height: 0;
  white-space: nowrap;
  text-align: center;
}

body.ccna-dnd-ui .panel--choices .bank,
body.ccna-dnd-ui .panel--choices #bank {
  max-height: min(70vh, 640px);
  overflow-y: auto;
}

/* Category / match layouts */
body.ccna-dnd-ui .category-grid,
body.ccna-dnd-ui .category-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

body.ccna-dnd-ui .category-box,
body.ccna-dnd-ui .category-panel {
  border: 1px solid #3d6dbb;
  border-radius: 10px;
  padding: 12px 14px;
  background: transparent;
}

body.ccna-dnd-ui .category-title,
body.ccna-dnd-ui .category-panel h3 {
  margin: 0 0 10px;
  font-size: 0.98rem;
  font-weight: 700;
  color: #1a3d6e;
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 0;
  text-align: left;
  letter-spacing: normal;
}

body.ccna-dnd-ui .slots-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  align-items: stretch;
}

@media (max-width: 720px) {
  body.ccna-dnd-ui .slots-row {
    grid-template-columns: 1fr;
  }
}

body.ccna-dnd-ui .match-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

body.ccna-dnd-ui .match-row {
  display: grid;
  grid-template-columns: minmax(88px, 0.32fr) minmax(0, 1fr);
  gap: 12px;
  align-items: stretch;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid #3d6dbb;
  background: transparent;
}

body.ccna-dnd-ui .match-row .drop-slot,
body.ccna-dnd-ui .match-row .slot {
  min-height: 48px;
  height: auto;
  align-self: stretch;
}

@media (max-width: 720px) {
  body.ccna-dnd-ui .match-row {
    grid-template-columns: 1fr;
  }
}

body.ccna-dnd-ui .match-desc {
  margin: 0;
  color: #1a3d6e;
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 0;
  font-size: 0.95rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  text-align: left;
}

body.ccna-dnd-ui .actions {
  margin-top: 14px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
}

body.ccna-dnd-ui .actions button,
body.ccna-dnd-ui .actions .home-link {
  background: #1a3d6e;
  color: #e6edf3;
  border: 1px solid #1a3d6e;
  border-radius: 10px;
  padding: 10px 14px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.95rem;
  min-height: 48px;
  touch-action: manipulation;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

body.ccna-dnd-ui .actions #checkBtn {
  grid-column: 1;
  grid-row: 1;
  justify-self: start;
}

body.ccna-dnd-ui .actions #resetBtn {
  grid-column: 2;
  grid-row: 1;
  justify-self: center;
}

body.ccna-dnd-ui .actions #showBtn {
  grid-column: 3;
  grid-row: 1;
  justify-self: end;
}

body.ccna-dnd-ui .actions button:hover,
body.ccna-dnd-ui .actions .home-link:hover {
  background: #254b8a;
  border-color: #254b8a;
}

body.ccna-dnd-ui .actions #result {
  grid-column: 1 / -1;
  grid-row: 2;
  font-weight: 700;
  color: #1a3d6e;
  min-width: 0;
  font-size: 0.86rem;
  line-height: 1.4;
  background: transparent;
  padding: 0;
  border: 0;
}

body.ccna-dnd-ui .actions #result.is-pass {
  color: #166534;
}

body.ccna-dnd-ui .actions #result.is-fail {
  color: #991b1b;
}

/* Bottom nav — darker blue link buttons */
body.ccna-dnd-ui nav.sim-nav.ccna-sample-sim-nav .sim-nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  background: #1a3d6e;
  border: 1px solid #1a3d6e;
  color: #e6edf3;
  border-radius: 10px;
  padding: 10px 18px;
  font-weight: 700;
  min-width: 5.5rem;
  min-height: 48px;
  text-align: center;
  box-sizing: border-box;
  touch-action: manipulation;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.95rem;
}

body.ccna-dnd-ui nav.sim-nav.ccna-sample-sim-nav .sim-nav-btn:hover {
  background: #254b8a;
  border-color: #254b8a;
}

body.ccna-dnd-ui nav.sim-nav.ccna-sample-sim-nav .sim-nav-home {
  background: #1a3d6e;
  border-color: #1a3d6e;
}

body.ccna-dnd-ui nav.sim-nav.ccna-sample-sim-nav .sim-nav-btn--disabled {
  opacity: 0.35;
  pointer-events: none;
  cursor: default;
}