/* ==========================================================================
   Managing Human Resources — PSY322S
   Visual identity: Academic + Human + Psychological + Contemporary.
   Deliberately not a corporate HR-consultancy look: no suits, no
   boardrooms, no stock-photo imagery. Calm, warm, readable, mobile-first.
   ========================================================================== */

/* ---------- Design tokens ---------- */
:root {
  --color-bg: #faf8f5;
  --color-surface: #ffffff;
  --color-surface-soft: #f3efe8;
  --color-text: #262233;
  --color-text-muted: #5c5568;
  --color-border: #e4ddd0;

  --color-primary: #4b3f72;
  --color-primary-dark: #362c57;
  --color-primary-soft: #efeaf7;

  --color-accent: #2f9e8f;
  --color-accent-dark: #1d695f;
  --color-accent-soft: #e3f4f1;

  --color-warm: #d97b3f;
  --color-warm-dark: #9b5225;
  --color-warm-soft: #fbebde;

  --color-success: #26724a;
  --color-success-soft: #e6f4ec;
  --color-danger: #b6503b;
  --color-danger-soft: #fbeae5;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;

  --shadow-card: 0 1px 2px rgba(38, 34, 51, 0.06), 0 4px 14px rgba(38, 34, 51, 0.06);
  --max-width: 880px;

  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ---------- Reset ---------- */
* , *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 17px;
}
h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 0.5em; color: var(--color-primary-dark); font-weight: 700; }
h1 { font-size: 2rem; }
h2 { font-size: 1.4rem; margin-top: 1.6em; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.3em; }
a { color: var(--color-accent-dark); }
img { max-width: 100%; display: block; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 0; top: 0; background: var(--color-primary);
  color: #fff; padding: 0.75em 1.2em; z-index: 100; transition: transform 0.15s ease;
  border-radius: 0 0 var(--radius-sm) 0;
  transform: translateY(calc(-100% - 6px));
}
.skip-link:focus { transform: translateY(0); }

:focus-visible {
  outline: 3px solid var(--color-warm);
  outline-offset: 2px;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  max-width: 1100px; margin: 0 auto; padding: 0.65em 1.1em;
  display: flex; align-items: center; gap: 1em;
}
.brand { display: flex; align-items: center; gap: 0.6em; text-decoration: none; color: inherit; margin-right: auto; }
.brand-mark { font-size: 1.6rem; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-title { font-weight: 800; color: var(--color-primary-dark); font-size: 1rem; }
.brand-sub { font-size: 0.72rem; color: var(--color-text-muted); letter-spacing: 0.02em; }

.nav-toggle {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 4px;
  width: 42px; height: 38px; background: none; border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); cursor: pointer;
}
.nav-toggle-bar, .nav-toggle-bar::before, .nav-toggle-bar::after {
  content: ""; display: block; height: 2px; width: 20px; margin: 0 auto;
  background: var(--color-primary-dark); border-radius: 1px;
}
.nav-toggle-bar::before { transform: translateY(-6px); }
.nav-toggle-bar::after { transform: translateY(4px); }

.site-nav {
  display: none;
  position: absolute; top: 100%; left: 0; right: 0;
  background: var(--color-surface); border-bottom: 1px solid var(--color-border);
  flex-direction: column; padding: 0.4em 1.1em 1em;
}
.site-nav.open { display: flex; }
.site-nav a {
  display: block; padding: 0.65em 0.3em; text-decoration: none;
  color: var(--color-text); border-bottom: 1px solid var(--color-surface-soft);
  font-weight: 600; font-size: 0.95rem;
}
.site-nav a.active { color: var(--color-primary); }

@media (min-width: 780px) {
  .nav-toggle { display: none; }
  .site-nav {
    display: flex; position: static; flex-direction: row; padding: 0;
    border: 0; background: none; gap: 0.2em; flex-wrap: wrap; justify-content: flex-end;
  }
  .site-nav a { border: 0; padding: 0.5em 0.6em; border-radius: var(--radius-sm); font-size: 0.88rem; }
  .site-nav a:hover { background: var(--color-primary-soft); }
  .site-nav a.active { background: var(--color-primary-soft); color: var(--color-primary-dark); }
}

/* ---------- Main layout ---------- */
.app-main {
  max-width: var(--max-width); margin: 0 auto; padding: 1.6em 1.1em 4em;
}
.site-footer {
  border-top: 1px solid var(--color-border); margin-top: 3em;
  padding: 1.6em 1.1em 3em; text-align: center;
  color: var(--color-text-muted); font-size: 0.85rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; padding: 0.7em 1.3em; border-radius: 999px;
  font-weight: 700; font-size: 0.95rem; text-decoration: none; cursor: pointer;
  border: 2px solid transparent; transition: transform 0.06s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-secondary { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-secondary:hover { background: var(--color-primary-soft); }

/* ---------- Tags / badges ---------- */
.tag {
  display: inline-block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.02em;
  text-transform: uppercase; padding: 0.3em 0.7em; border-radius: 999px; margin-bottom: 0.8em;
}
.tag-syllabus { background: var(--color-primary-soft); color: var(--color-primary-dark); }
.tag-lens { background: var(--color-accent-soft); color: var(--color-accent-dark); }
.tag-extension { background: var(--color-warm-soft); color: var(--color-warm-dark); }
.tag-planned { background: var(--color-surface-soft); color: var(--color-text-muted); }
.tag-complete { background: var(--color-success-soft); color: var(--color-success); }

/* ---------- Hero ---------- */
.hero { padding: 1.2em 0 1.6em; }
.hero h1 { font-size: 2.1rem; }
.hero-sub { font-size: 1.05rem; color: var(--color-accent-dark); font-weight: 700; margin-bottom: 0.8em; }
.hero-intro { color: var(--color-text-muted); max-width: 60ch; }
.hero-actions { display: flex; gap: 0.8em; flex-wrap: wrap; margin-top: 1.2em; }

/* ---------- Card grid ---------- */
.card-grid { display: grid; grid-template-columns: 1fr; gap: 0.9em; margin-top: 1em; }
@media (min-width: 620px) { .card-grid { grid-template-columns: 1fr 1fr; } }
.card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: 1.2em; box-shadow: var(--shadow-card);
}
a.card { text-decoration: none; color: inherit; display: block; transition: border-color 0.1s ease; }
a.card:hover { border-color: var(--color-primary); }
.card-icon { font-size: 1.6rem; display: block; margin-bottom: 0.4em; }
.card h2, .card h3 { margin-top: 0; margin-bottom: 0.3em; font-size: 1.15rem; }
.card p { color: var(--color-text-muted); margin: 0; font-size: 0.92rem; }
.card.disabled { opacity: 0.75; }

/* ---------- Content blocks ---------- */
.breadcrumb { font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 0.6em; }
.breadcrumb a { color: var(--color-text-muted); }
.opening-question {
  font-size: 1.15rem; font-weight: 700; color: var(--color-primary-dark);
  background: var(--color-primary-soft); border-radius: var(--radius-md);
  padding: 0.9em 1.1em; margin: 0.6em 0 1em;
}
.module-intro { color: var(--color-text-muted); font-size: 1.02rem; }
.content-block { margin: 1.8em 0; }
.example-panel, .lens-panel, .tryit-panel, .reflect-panel, .quiz-panel {
  margin: 2em 0; padding: 1.3em; border-radius: var(--radius-md); border: 1px solid var(--color-border);
  background: var(--color-surface);
}
.example-panel { background: var(--color-surface-soft); border-style: dashed; }
.lens-panel { background: var(--color-accent-soft); border-color: var(--color-accent); }
.reflect-panel { background: var(--color-warm-soft); border-color: var(--color-warm); }
.module-footnote { color: var(--color-text-muted); font-size: 0.82rem; margin-top: 2em; }

.lens-table { width: 100%; border-collapse: collapse; margin: 1em 0; font-size: 0.92rem; }
.lens-table th, .lens-table td { text-align: left; padding: 0.5em 0.6em; border-bottom: 1px solid rgba(0,0,0,0.08); }
.lens-table th { color: var(--color-accent-dark); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em; }
.lens-note { font-style: italic; color: var(--color-accent-dark); margin-top: 0.8em; }

/* ---------- Learning objectives ---------- */
.objectives-panel {
  margin: 1.4em 0; padding: 1.1em 1.3em; border-radius: var(--radius-md);
  background: var(--color-surface); border: 1px solid var(--color-border); border-left: 4px solid var(--color-primary);
}
.objectives-panel h2 { margin-top: 0; font-size: 1.05rem; }
.objectives-list { margin: 0; padding-left: 1.2em; }
.objectives-list li { margin-bottom: 0.35em; color: var(--color-text-muted); }

/* ---------- Key concept card ---------- */
.key-concept-card {
  margin: 1em 0 1.6em; padding: 0.9em 1.1em; border-radius: var(--radius-sm);
  background: var(--color-primary-soft); border: 1px solid var(--color-primary);
}
.key-concept-card p { margin: 0; }
.key-concept-label {
  display: block; font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.04em; color: var(--color-primary-dark); margin-bottom: 0.3em;
}

/* ---------- Training vs Development comparison ---------- */
.tvd-grid { display: grid; grid-template-columns: 1fr; gap: 0.9em; margin-top: 0.8em; }
@media (min-width: 620px) { .tvd-grid { grid-template-columns: 1fr 1fr; } }
.tvd-card { border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 1em; background: var(--color-surface-soft); }
.tvd-card h3 { margin-top: 0; color: var(--color-accent-dark); }
.tvd-example { color: var(--color-text-muted); font-size: 0.9rem; margin: 0.5em 0 0; }

/* ---------- Key contrast (e.g. "Information ≠ Learning") ---------- */
.key-contrast { display: flex; align-items: center; gap: 0.7em; margin: 1.2em 0 0.4em; flex-wrap: wrap; }
.key-contrast-side {
  font-weight: 800; font-size: 1.05rem; padding: 0.4em 0.8em; border-radius: var(--radius-sm);
  background: var(--color-surface); border: 1px solid var(--color-border);
}
.key-contrast-side--accent { background: var(--color-accent-soft); border-color: var(--color-accent); color: var(--color-accent-dark); }
.key-contrast-sign { font-size: 1.3rem; font-weight: 800; color: var(--color-warm-dark); }
.key-contrast-note { color: var(--color-text-muted); font-style: italic; margin: 0.5em 0 0; }

/* ---------- Flow diagrams ---------- */
.flow-diagram { display: flex; flex-direction: column; align-items: stretch; margin: 1.4em 0; max-width: 420px; }
.flow-step {
  background: var(--color-primary); color: #fff; text-align: center; font-weight: 700;
  padding: 0.75em 1em; border-radius: var(--radius-sm); font-size: 0.92rem;
}
.flow-arrow { text-align: center; color: var(--color-primary); font-size: 1.2rem; padding: 0.15em 0; }

/* ---------- Case / Activity blocks ---------- */
.case-block, .activity-block { display: flex; flex-direction: column; gap: 1.1em; }
.case-narrative {
  background: var(--color-surface-soft); border-left: 4px solid var(--color-primary);
  padding: 0.9em 1em; border-radius: var(--radius-sm); font-style: italic;
}
.case-step, .field { display: flex; flex-direction: column; gap: 0.35em; }
.hint { color: var(--color-text-muted); font-size: 0.88rem; margin: 0; }
label { font-weight: 700; font-size: 0.92rem; }
textarea, input[type="text"] {
  width: 100%; font-family: inherit; font-size: 0.95rem; padding: 0.7em 0.8em;
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  background: var(--color-surface); color: var(--color-text); resize: vertical;
}
textarea:focus, input:focus { border-color: var(--color-primary); }

details.reveal {
  border: 1px dashed var(--color-accent); border-radius: var(--radius-sm);
  padding: 0.7em 1em; background: var(--color-accent-soft);
}
details.reveal summary { cursor: pointer; font-weight: 700; color: var(--color-accent-dark); }
details.reveal h4 { margin-top: 0.7em; }
details.reveal[open] summary { margin-bottom: 0.4em; }

.reflect-actions { display: flex; align-items: center; gap: 0.9em; margin-top: 0.6em; }
.save-indicator { font-size: 0.85rem; color: var(--color-success); font-weight: 700; min-height: 1.2em; }

.case-panel {
  margin: 2em 0; padding: 1.3em; border-radius: var(--radius-md); border: 1px solid var(--color-border);
  background: var(--color-surface);
}

/* ---------- Chain summary (mini-training completion playback) ---------- */
.chain-summary { margin-top: 1.4em; padding-top: 1.2em; border-top: 1px dashed var(--color-border); }
.chain-summary h4 { margin-top: 0; }
.chain-summary .flow-diagram { max-width: 520px; }
.chain-summary .flow-step { text-align: left; font-weight: 400; }

/* ---------- Try It: checklist activity ---------- */
.checklist-block { display: flex; flex-direction: column; gap: 0.9em; }
.checklist-options { display: flex; flex-direction: column; gap: 0.5em; }
.checklist-option {
  display: flex; align-items: flex-start; gap: 0.6em; padding: 0.6em 0.8em;
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  background: var(--color-surface-soft); font-weight: 400; cursor: pointer;
}
.checklist-option input { margin-top: 0.2em; }
.checklist-insight {
  padding: 0.9em 1em; border-radius: var(--radius-sm); background: var(--color-accent-soft);
  border: 1px dashed var(--color-accent); font-size: 0.95rem;
}
.checklist-insight p { margin: 0; }

/* ---------- Quiz ---------- */
.quiz-item {
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: 1em; margin-bottom: 1em; background: var(--color-surface);
}
.quiz-question { margin-bottom: 0.7em; }
.quiz-options { display: flex; flex-direction: column; gap: 0.5em; }
.quiz-option {
  text-align: left; padding: 0.65em 0.9em; border-radius: var(--radius-sm);
  border: 1px solid var(--color-border); background: var(--color-surface-soft);
  cursor: pointer; font-family: inherit; font-size: 0.92rem; color: var(--color-text);
}
.quiz-option:hover:not(:disabled) { border-color: var(--color-primary); }
.quiz-option:disabled { cursor: default; }
.quiz-option.correct { background: var(--color-success-soft); border-color: var(--color-success); font-weight: 700; }
.quiz-option.incorrect { background: var(--color-danger-soft); border-color: var(--color-danger); }
.quiz-feedback { margin-top: 0.9em; padding-top: 0.8em; border-top: 1px dashed var(--color-border); font-size: 0.92rem; }
.quiz-concept { color: var(--color-text-muted); font-size: 0.82rem; margin: 0; }

/* ---------- Module complete banner ---------- */
.module-complete-banner {
  margin: 2em 0; padding: 1.3em; border-radius: var(--radius-md);
  background: var(--color-success-soft); border: 1px solid var(--color-success);
  text-align: center;
}
.module-complete-banner h2 { margin-top: 0; color: var(--color-success); }
.module-complete-banner p { color: var(--color-text); max-width: 60ch; margin-left: auto; margin-right: auto; }

/* ---------- Course progress panel ---------- */
.progress-panel {
  margin: 1.2em 0 1.6em; padding: 1.1em 1.3em; border-radius: var(--radius-md);
  background: var(--color-surface); border: 1px solid var(--color-border);
}
.progress-panel h2 { margin-top: 0; font-size: 1.05rem; }
.progress-list { list-style: none; margin: 0.6em 0; padding: 0; }
.progress-list li {
  display: flex; align-items: center; gap: 0.6em; padding: 0.5em 0.1em;
  border-bottom: 1px solid var(--color-surface-soft); font-size: 0.92rem;
}
.progress-list li:last-child { border-bottom: 0; }
.progress-mark { font-weight: 800; width: 1.2em; text-align: center; color: var(--color-text-muted); }
.progress-list li.is-complete .progress-mark { color: var(--color-success); }
.progress-list li.is-complete span:nth-child(2) { font-weight: 700; }
.progress-status { margin-left: auto; color: var(--color-text-muted); font-size: 0.82rem; }
.progress-list li.is-planned { color: var(--color-text-muted); }

/* ---------- Practice Lab: HR cycle ---------- */
.cycle-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 0.3em; margin: 1em 0; }
.cycle-chip {
  padding: 0.5em 0.9em; border-radius: 999px; border: 1px solid var(--color-border);
  background: var(--color-surface); color: var(--color-text); font-family: inherit;
  font-weight: 600; font-size: 0.85rem; cursor: pointer;
}
.cycle-chip:hover { border-color: var(--color-primary); }
.cycle-chip.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.cycle-arrow { color: var(--color-text-muted); font-size: 0.9rem; }
.cycle-detail {
  margin-top: 1em; padding: 1.2em; border-radius: var(--radius-md);
  border: 1px solid var(--color-border); background: var(--color-surface-soft);
}
.cycle-detail h3 { margin-top: 0; }
.cycle-detail-list { margin: 0; }
.cycle-detail-list dt { font-weight: 700; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.02em; color: var(--color-primary-dark); margin-top: 0.9em; }
.cycle-detail-list dt:first-child { margin-top: 0; }
.cycle-detail-list dd { margin: 0.25em 0 0; color: var(--color-text); }

/* ---------- Practice Lab: Personnel Selection ---------- */
.job-panel {
  padding: 1em 1.2em; border-radius: var(--radius-md); background: var(--color-primary-soft);
  border: 1px solid var(--color-primary); margin-bottom: 1em;
}
.job-panel h3 { margin-top: 0; }
.candidate-grid { display: grid; grid-template-columns: 1fr; gap: 0.8em; margin: 1em 0; }
@media (min-width: 780px) { .candidate-grid { grid-template-columns: 1fr 1fr 1fr; } }
.candidate-card {
  display: flex; flex-direction: column; gap: 0.5em; padding: 1em;
  border: 2px solid var(--color-border); border-radius: var(--radius-md);
  background: var(--color-surface-soft); cursor: pointer;
}
.candidate-card:has(input:checked), .candidate-card.selected { border-color: var(--color-primary); background: var(--color-primary-soft); }
.candidate-card input { align-self: flex-start; }
.candidate-name { font-weight: 800; color: var(--color-primary-dark); }
.candidate-summary { font-size: 0.88rem; color: var(--color-text-muted); }
.selection-reveal {
  margin-top: 1.4em; padding: 1.2em; border-radius: var(--radius-md);
  background: var(--color-accent-soft); border: 1px solid var(--color-accent);
}
.selection-reveal h4 { margin-top: 0.8em; }
.selection-reveal h4:first-child { margin-top: 0; }

/* ---------- Practice Lab: Personnel Evaluation ---------- */
.rating-widget { display: flex; flex-wrap: wrap; gap: 0.6em; margin: 1em 0; }
.rating-option {
  display: flex; flex-direction: column; align-items: center; gap: 0.2em;
  padding: 0.7em 1em; border-radius: var(--radius-md); border: 2px solid var(--color-border);
  background: var(--color-surface-soft); cursor: pointer; font-family: inherit; min-width: 90px;
}
.rating-option:hover { border-color: var(--color-primary); }
.rating-option.selected { border-color: var(--color-primary); background: var(--color-primary-soft); }
.rating-number { font-size: 1.3rem; font-weight: 800; color: var(--color-primary-dark); }
.rating-label { font-size: 0.78rem; color: var(--color-text-muted); text-align: center; }
.evaluation-reveal-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.evaluation-reveal { margin-top: 1.4em; }
.bias-grid { display: grid; grid-template-columns: 1fr; gap: 0.8em; }
@media (min-width: 620px) { .bias-grid { grid-template-columns: 1fr 1fr; } }
.bias-card { border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 1em; background: var(--color-surface); }
.bias-card h4 { margin-top: 0; color: var(--color-accent-dark); }
.bias-scenario-note { color: var(--color-text-muted); font-size: 0.88rem; }

/* ---------- Coming soon / planned pages ---------- */
.coming-soon-box {
  background: var(--color-surface-soft); border: 1px dashed var(--color-border);
  border-radius: var(--radius-md); padding: 1.2em; margin: 1.2em 0;
}
.planned-list { margin: 0.6em 0 0; }
.planned-list li { color: var(--color-text-muted); }

/* ---------- About / governance tables ---------- */
.info-table { width: 100%; border-collapse: collapse; margin: 1em 0; }
.info-table th, .info-table td { text-align: left; padding: 0.5em 0.7em; border-bottom: 1px solid var(--color-border); font-size: 0.92rem; }
.info-table th { width: 40%; color: var(--color-text-muted); font-weight: 600; }

.governance-grid { display: grid; grid-template-columns: 1fr; gap: 0.8em; margin: 1em 0; }
@media (min-width: 620px) { .governance-grid { grid-template-columns: 1fr 1fr; } }
.governance-card { border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 1em; background: var(--color-surface); }

/* ---------- Reading room ---------- */
.reading-card { border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 1.1em; margin-bottom: 1em; background: var(--color-surface); }
.reading-card h2 { margin-top: 0; margin-bottom: 0.15em; font-size: 1.15rem; }
.reading-author { color: var(--color-text-muted); font-size: 0.9rem; margin-bottom: 0.6em; }
.reading-topics { display: flex; flex-wrap: wrap; gap: 0.4em; margin: 0.6em 0; padding: 0; list-style: none; }
.reading-topics li { background: var(--color-primary-soft); color: var(--color-primary-dark); font-size: 0.78rem; padding: 0.25em 0.6em; border-radius: 999px; }

/* ---------- Portfolio checklist preview ---------- */
.portfolio-checklist { list-style: none; padding: 0; margin: 1em 0; }
.portfolio-checklist li {
  display: flex; align-items: center; gap: 0.6em; padding: 0.6em 0.2em;
  border-bottom: 1px solid var(--color-surface-soft); color: var(--color-text-muted);
}
.portfolio-checklist .box { width: 18px; height: 18px; border: 2px solid var(--color-border); border-radius: 4px; flex-shrink: 0; }

/* ---------- Portfolio (interactive) ---------- */
.portfolio-panel {
  margin: 1.4em 0; padding: 1.2em 1.3em; border-radius: var(--radius-md);
  background: var(--color-surface); border: 1px solid var(--color-border);
}
.portfolio-panel h2 { margin-top: 0; font-size: 1.05rem; }
.portfolio-list { margin-bottom: 1em; }

/* ---------- Case Library: search + filter ---------- */
.case-library-controls { margin: 1em 0 1.4em; display: flex; flex-direction: column; gap: 0.7em; }
.case-search {
  width: 100%; padding: 0.6em 0.9em; border-radius: var(--radius-md);
  border: 1px solid var(--color-border); font-family: inherit; font-size: 0.95rem;
  background: var(--color-surface); color: var(--color-text);
}
.case-search:focus { outline: 2px solid var(--color-primary); outline-offset: 1px; }
.filter-chip-row { display: flex; flex-wrap: wrap; gap: 0.4em; }
.filter-chip {
  padding: 0.4em 0.85em; border-radius: 999px; border: 1px solid var(--color-border);
  background: var(--color-surface); color: var(--color-text); font-family: inherit;
  font-weight: 600; font-size: 0.8rem; cursor: pointer;
}
.filter-chip:hover { border-color: var(--color-primary); }
.filter-chip.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.case-card[hidden] { display: none; }

/* ---------- Print ---------- */
@media print {
  .site-header, .site-footer, .hero-actions, .quiz-option, .btn { display: none !important; }
  body { background: #fff; }
}