/* NEXTUMAX PREPARATION HUB */

.career-main {
  width: min(var(--max), calc(100% - var(--page-gutter)));
  margin: auto;
}

.career-main,
.tool-shell,
.track-card,
.readiness-grid article {
  min-width: 0;
}

.career-kicker {
  display: inline-flex;
  width: fit-content;
  border: 1px solid rgba(46, 229, 139, 0.25);
  background: rgba(46, 229, 139, 0.08);
  color: var(--accent);
  border-radius: 999px;
  padding: 6px 10px;
  font-weight: 950;
  font-size: 0.76rem;
}

.career-hero {
  min-height: auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  column-gap: 0;
  align-items: center;
  padding: 28px 0 22px;
}

.career-hero-content { width: 100%; max-width: 920px; }

.career-hero h1 {
  max-width: 780px;
  font-size: clamp(1.85rem, 3.3vw, 2.65rem);
  line-height: 1.04;
  letter-spacing: 0;
  margin: 10px 0 8px;
}

.career-hero p {
  max-width: 820px;
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.94rem;
}

.career-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.preparation-main .career-down-arrow {
  display: none;
}

.career-down-arrow {
  justify-self: center;
  align-self: center;
  display: grid;
  place-items: center;
  margin-left: 24px;
}

.arrow-button {
  position: relative;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  text-decoration: none;
  background:
    radial-gradient(circle at 35% 28%, rgba(255, 255, 255, 0.42), transparent 22%),
    linear-gradient(145deg, var(--accent), #18b96f);
  color: #03140b;
  font-size: 3.35rem;
  font-weight: 950;
  line-height: 0.9;
  border: 1px solid rgba(46, 229, 139, 0.58);
  box-shadow:
    0 22px 50px rgba(46, 229, 139, 0.22),
    0 0 0 12px rgba(46, 229, 139, 0.065),
    inset 0 -10px 20px rgba(3, 20, 11, 0.14);
  transition: transform 0.2s ease;
}

.arrow-button::before {
  content: "";
  position: absolute;
  inset: -18px;
  border-radius: 50%;
  border: 1px solid rgba(46, 229, 139, 0.16);
}

.arrow-button:hover { transform: translateY(6px) scale(1.03); }

.career-section { padding: 24px 0; }

.career-section-head {
  max-width: 860px;
  margin-bottom: 14px;
}

.career-section-head h2 {
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  line-height: 1.12;
  letter-spacing: 0;
  margin: 8px 0 6px;
}

.career-section-head p,
.track-card p,
.readiness-grid p {
  color: var(--muted);
  line-height: 1.75;
}

.prep-row-list {
  margin: 0;
  padding: 0;
}

.prep-row-list {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.prep-row {
  display: grid;
  grid-template-columns: 40px minmax(120px, 0.45fr) minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  min-height: 58px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  color: var(--text);
  text-decoration: none;
  min-width: 0;
}

.prep-row:hover {
  color: var(--text);
  border-color: rgba(46, 229, 139, 0.34);
  background: var(--surface-hover);
}

.prep-code {
  width: 36px;
  height: 26px;
  border: 1px solid rgba(46, 229, 139, 0.24);
  border-radius: 8px;
  display: inline-grid;
  place-items: center;
  color: var(--accent);
  font-weight: 950;
  font-size: 0.68rem;
}

.prep-row strong {
  font-size: 0.88rem;
  line-height: 1.25;
  min-width: 0;
  overflow-wrap: break-word;
}

.prep-row p {
  margin: 0;
  color: var(--muted);
  line-height: 1.35;
  font-size: 0.86rem;
  min-width: 0;
  overflow-wrap: break-word;
}

.track-grid,
.readiness-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.track-card,
.readiness-grid article {
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: var(--shadow);
  border-radius: 20px;
  padding: 18px;
}

.track-card {
  transition: 0.2s ease;
}

.track-card:hover {
  transform: translateY(-4px);
  background: var(--card-strong);
}

.track-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.track-top span {
  width: 50px;
  height: 50px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: #03140b;
  font-weight: 950;
}

.track-top small {
  color: var(--muted);
  font-weight: 850;
}

.track-card h3 {
  margin: 16px 0 8px;
  font-size: 1.28rem;
}

.track-open-btn {
  width: fit-content;
  margin-top: 12px;
}

.readiness-grid span {
  color: var(--accent);
  font-weight: 950;
}

.tool-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 18px;
  align-items: stretch;
}

.tool-card {
  display: flex;
  flex-direction: column;
  min-height: 220px;
}

.tool-card p {
  flex: 1;
}

.tool-card .track-open-btn {
  align-self: flex-start;
  margin-top: auto;
}

.tool-shell {
  border: 1px solid var(--border);
  background: var(--card-strong);
  box-shadow: var(--shadow);
  border-radius: 22px;
  padding: 20px;
  max-width: 100%;
  overflow: hidden;
}

.tool-shell *,
.tool-card-grid * {
  box-sizing: border-box;
}

.practice-tool-page {
  padding-top: 26px;
}

.practice-tool-page .career-section-head {
  max-width: 100%;
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 22px;
  padding: 22px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

[data-theme="light"] .practice-tool-page .career-section-head,
[data-theme="light"] .tool-shell,
[data-theme="light"] .track-card,
[data-theme="light"] .readiness-grid article {
  background: var(--card);
}

.practice-tool-page .career-section-head::after {
  content: "";
  position: absolute;
  inset: auto 24px 0 24px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(46, 229, 139, 0.42), transparent);
}

.practice-tool-page .career-section-head h2 {
  max-width: 920px;
  font-size: clamp(1.55rem, 3.4vw, 2.1rem);
  margin: 10px 0 8px;
}

.practice-tool-page .career-section-head p:not(.career-kicker) {
  max-width: 760px;
  margin-bottom: 0;
}

.practice-tool-actions {
  align-items: stretch;
  gap: 12px;
  margin-top: 20px;
}

.tool-learning-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.tool-learning-links span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
}

.tool-learning-links a {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 850;
  text-decoration: none;
}

.tool-learning-links a:hover { text-decoration: underline; }

.tool-panel { display: none; }
.tool-panel.active { display: block; }

.tool-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  gap: 20px;
  align-items: start;
  min-width: 0;
}

.tool-controls,
.tool-output,
.formula-grid article {
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 16px;
  padding: 18px;
  min-width: 0;
  overflow: hidden;
}

.tool-controls,
.tool-output {
  align-self: stretch;
}

.tool-controls .primary-btn {
  width: 100%;
  margin-top: 4px;
  border-radius: 12px;
}

.practice-tool-actions .outline-btn {
  border-radius: 14px;
}

.tool-controls {
  background: var(--card);
}

.tool-output {
  background: var(--card);
}

.tool-controls label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-weight: 850;
  margin-bottom: 14px;
}

.timing-inputs {
  display: grid;
  gap: 12px;
}

.timing-inputs label {
  margin-bottom: 0;
}

.timing-group {
  border: 1px solid var(--border);
  background: var(--card-strong);
  border-radius: 14px;
  padding: 12px;
}

.timing-group h3 {
  margin: 0 0 10px;
  color: var(--text);
  font-size: 0.96rem;
}

.timing-field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.timing-field-grid label {
  font-size: 0.84rem;
}

.setuphold-grid {
  grid-template-columns: 1fr;
}

.setuphold-inputs {
  grid-template-columns: 0.9fr 1.35fr 0.9fr;
  align-items: start;
}

.setuphold-inputs .timing-group {
  height: 100%;
}

.setuphold-inputs .primary-btn {
  width: 100%;
  margin-top: 12px;
}

.tool-controls input,
.tool-controls select,
.tool-controls textarea,
.formula-search input {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--surface-input);
  color: var(--text);
  border-radius: 10px;
  padding: 12px 13px;
  outline: none;
  min-height: 46px;
}

.tool-controls input:focus,
.tool-controls select:focus,
.tool-controls textarea:focus,
.formula-search input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(46, 229, 139, 0.12);
}

.tool-controls textarea {
  min-height: 150px;
  resize: vertical;
  line-height: 1.45;
}

.tool-controls .checkbox-line {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}

.tool-controls .checkbox-line input {
  width: 18px;
  min-height: 18px;
  inline-size: 18px;
  block-size: 18px;
  flex: 0 0 auto;
  accent-color: var(--accent);
}

.tool-output h3 {
  margin: 0 0 10px;
  font-size: 0.96rem;
}

.tool-output h3:not(:first-child) {
  margin-top: 18px;
}

.tool-code-output {
  width: 100%;
  max-height: 420px;
  overflow: auto;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.26);
  color: var(--text);
  border-radius: 12px;
  padding: 14px;
  margin: 0;
  font: 0.84rem/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  white-space: pre;
}

.result-strip {
  border: 1px solid rgba(46, 229, 139, 0.28);
  background:
    linear-gradient(135deg, rgba(46, 229, 139, 0.14), rgba(26, 199, 161, 0.06)),
    rgba(46, 229, 139, 0.05);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 16px;
}

.result-strip span,
.metric-card span {
  display: block;
  color: var(--muted);
  font-weight: 850;
  font-size: 0.82rem;
}

.result-strip strong {
  display: block;
  color: var(--accent);
  font-size: 1.45rem;
  margin-top: 5px;
  overflow-wrap: anywhere;
}

.kmap-board {
  display: block;
  margin: 16px 0;
  overflow-x: auto;
  max-width: 100%;
  min-width: 0;
  padding-bottom: 2px;
}

.kmap-row {
  display: grid;
  grid-template-columns: 92px repeat(var(--kmap-cols), minmax(58px, 1fr));
  gap: 8px;
  width: max-content;
  min-width: 360px;
  margin-bottom: 8px;
}

.kmap-cell {
  min-height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  background: var(--card-strong);
  border-radius: 10px;
  font-weight: 950;
}

.kmap-cell.head {
  color: var(--muted);
  font-size: 0.84rem;
}

.kmap-cell.one {
  background: rgba(46, 229, 139, 0.18);
  color: var(--accent);
  border-color: rgba(46, 229, 139, 0.35);
}

.kmap-cell.dc {
  background: rgba(248, 201, 107, 0.14);
  color: var(--warn);
}

.truth-table-wrap {
  max-height: 300px;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  max-width: 100%;
  min-width: 0;
}

.truth-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 420px;
}

.truth-table th,
.truth-table td {
  border-bottom: 1px solid var(--border);
  padding: 10px;
  text-align: center;
}

.truth-table th {
  color: var(--accent);
  background: rgba(46, 229, 139, 0.07);
}

.implicant-list {
  display: grid;
  gap: 10px;
}

.implicant-list p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.implicant-chip {
  display: inline-flex;
  margin: 4px 6px 4px 0;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 10px;
  color: var(--text);
  background: var(--card-strong);
  font-weight: 850;
}

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

.metric-card {
  border: 1px solid var(--border);
  background: var(--card-strong);
  border-radius: 14px;
  padding: 16px;
  min-height: 104px;
  display: grid;
  align-content: center;
}

.metric-card strong {
  display: block;
  margin-top: 5px;
  color: var(--text);
  font-size: 1.34rem;
  overflow-wrap: anywhere;
}

.metric-card.pass strong { color: var(--accent); }
.metric-card.fail strong { color: var(--danger); }

.formula-search {
  margin-bottom: 16px;
}

.formula-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.formula-grid article {
  box-shadow: none;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.formula-grid article:hover {
  border-color: rgba(46, 229, 139, 0.28);
  background: var(--card-strong);
  transform: translateY(-2px);
}

.formula-grid article h3 {
  margin: 0 0 8px;
  color: var(--text);
}

.formula-grid article p,
.formula-grid article li {
  color: var(--muted);
  line-height: 1.55;
}

.formula-grid article code {
  display: inline-block;
  margin-top: 8px;
  color: var(--accent);
  overflow-wrap: anywhere;
}

.tool-switcher {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  border: 1px solid var(--border);
  background: var(--surface-input);
  border-radius: 14px;
  padding: 8px 10px 8px 14px;
  color: var(--muted);
  font-weight: 850;
  margin: 0;
  max-width: 100%;
}

[data-theme="light"] .tool-controls input,
[data-theme="light"] .tool-controls select,
[data-theme="light"] .tool-controls textarea,
[data-theme="light"] .formula-search input,
[data-theme="light"] .tool-switcher {
  background: rgba(221, 244, 230, 0.92);
}

[data-theme="light"] .tool-code-output {
  background: rgba(255, 255, 255, 0.7);
}

.tool-switcher span {
  white-space: nowrap;
}

.tool-switcher select {
  min-width: 220px;
  border: 0;
  background: transparent;
  color: var(--text);
  font-weight: 900;
  outline: none;
}

.tool-switcher option {
  background: #0d1a15;
  color: var(--text);
}

@media (max-width: 1020px) {
  .career-hero {
    grid-template-columns: 1fr;
    row-gap: 34px;
    min-height: auto;
    padding: 38px 0 52px;
  }

  .career-hero-content,
  .career-hero h1,
  .career-hero p {
    max-width: 100%;
  }

  .career-down-arrow {
    margin-left: 0;
    margin-top: 8px;
  }

  .arrow-button {
    width: 78px;
    height: 78px;
    font-size: 2.55rem;
  }

  .prep-row-list,
  .track-grid,
  .readiness-grid,
  .tool-card-grid,
  .formula-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tool-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .setuphold-inputs {
    grid-template-columns: 1fr;
  }

  .setuphold-inputs .primary-btn {
    width: 100%;
  }
}

@media (max-width: 720px) {
  .career-main {
    width: min(var(--max), calc(100% - 56px));
    max-width: calc(100% - 56px);
    overflow-x: hidden;
  }

  .career-hero,
  .career-hero-content,
  .career-section,
  .career-section-head,
  .prep-row-list,
  .prep-row {
    max-width: 100%;
    min-width: 0;
  }

  .prep-row-list {
    grid-template-columns: 1fr;
  }

  .prep-row {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 10px;
  }

  .prep-row p {
    grid-column: 1 / -1;
    padding-right: 0;
    font-size: 0.8rem;
  }

  .career-hero {
    padding: 30px 0 42px;
    row-gap: 26px;
  }

  .career-hero h1 {
    font-size: clamp(1.48rem, 6.8vw, 1.72rem);
    line-height: 1.16;
    letter-spacing: 0;
  }

  .career-hero p {
    font-size: 0.86rem;
    line-height: 1.5;
  }

  .career-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .arrow-button {
    width: 64px;
    height: 64px;
    font-size: 2.05rem;
  }

  .track-grid,
  .readiness-grid,
  .tool-card-grid,
  .formula-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .tool-shell {
    padding: 12px;
    border-radius: 18px;
  }

  .practice-tool-page .career-section-head {
    padding: 18px;
    border-radius: 18px;
  }

  .practice-tool-page .career-section-head h2 {
    font-size: clamp(1.28rem, 5.8vw, 1.55rem);
  }

  .tool-controls,
  .tool-output,
  .formula-grid article {
    padding: 14px;
  }

  .tool-card {
    min-height: 0;
  }

  .kmap-row {
    grid-template-columns: 58px repeat(var(--kmap-cols), minmax(0, 1fr));
    gap: 5px;
    width: 100%;
    min-width: 0;
  }

  .kmap-cell {
    min-height: 40px;
    border-radius: 8px;
    font-size: 0.78rem;
  }

  .truth-table {
    min-width: 340px;
  }

  .timing-field-grid {
    grid-template-columns: 1fr;
  }

  .tool-switcher {
    width: 100%;
    border-radius: 14px;
    justify-content: space-between;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
  }

  .tool-switcher select {
    min-width: 0;
    width: 100%;
  }

  .track-open-btn {
    width: 100%;
  }
}

@media (max-width: 380px) {
  .career-hero h1 {
    font-size: 1.75rem;
  }

  .career-section-head h2 {
    font-size: 1.65rem;
  }
}

/* Compact typography for technical learning pages */
.career-hero h1 {
  font-size: clamp(2.15rem, 4vw, 3.4rem);
  line-height: 1.06;
}

.career-section-head h2,
.practice-tool-page .career-section-head h2 {
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  line-height: 1.12;
}

.career-hero p {
  font-size: 1rem;
}

.track-card h3,
.timing-group h3,
.formula-grid h3 {
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
  line-height: 1.22;
}

@media (max-width: 640px) {
  .career-hero h1 {
    font-size: clamp(1.48rem, 6.8vw, 1.72rem);
    line-height: 1.16;
  }

  .career-section-head h2,
  .practice-tool-page .career-section-head h2 {
    font-size: clamp(1.28rem, 5.8vw, 1.55rem);
    line-height: 1.18;
  }
}