/**
 * Stylesheet Khusus Modul Atlas Bendera Kapal & Isyarat Maritim Karantina
 * Balai Kekarantinaan Kesehatan (BKK) Kelas I Tanjung Balai Karimun
 */

/* ==========================================================================
   1. NAVIGATION & TAB BAR
   ========================================================================== */
.flag-toc-bar {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 8px 4px 14px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
  scrollbar-width: thin;
}

.flag-toc-bar::-webkit-scrollbar {
  height: 4px;
}
.flag-toc-bar::-webkit-scrollbar-thumb {
  background: var(--border-hover);
  border-radius: 9999px;
}

.flag-tab-btn {
  white-space: nowrap;
  padding: 9px 16px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.flag-tab-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
  background: var(--btn-sec-hover);
}

.flag-tab-btn.active {
  color: var(--brand-primary-text);
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  box-shadow: 0 4px 14px rgba(1, 184, 166, 0.35);
  font-weight: 700;
}

.flag-panel {
  display: none;
  animation: fadeInPanel 0.25s ease-out;
}

.flag-panel.active {
  display: block;
}

@keyframes fadeInPanel {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   2. INFORMATIONAL CALLOUTS & PROCEDURAL HIGHLIGHTS
   ========================================================================== */
.chapter-hero-banner {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-subtle);
  border-radius: 0;
  padding: 0 0 20px 0;
  margin-bottom: 24px;
  box-shadow: none;
}

.chapter-number-pill {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--brand-primary);
  background: transparent;
  padding: 0;
  margin-bottom: 6px;
}

.chapter-heading {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 10px;
  line-height: 1.25;
}

.chapter-lead-text {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 900px;
}

.legal-callout-box {
  background: rgba(1, 184, 166, 0.08);
  border: 1px solid rgba(1, 184, 166, 0.3);
  border-left: 5px solid var(--brand-primary);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin: 20px 0;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-primary);
}

.warning-callout-box {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-left: 5px solid #ef4444;
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin: 20px 0;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-primary);
}

.info-grid-2col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  margin: 24px 0;
}

.info-card-block {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-card);
}

.info-card-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ==========================================================================
   3. FLAG PREVIEW & CARDS
   ========================================================================== */
.flag-preview-box {
  width: 100%;
  height: 96px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  margin-bottom: 14px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f1f5f9;
  box-shadow: inset 0 2px 6px rgba(0,0,0,0.06);
  position: relative;
}

[data-theme="dark"] .flag-preview-box {
  background: #090e17;
  border-color: rgba(255, 255, 255, 0.12);
}

.flag-svg {
  width: auto;
  height: 80%;
  max-width: 90%;
  display: block;
  filter: drop-shadow(0 3px 6px rgba(0,0,0,0.25));
}

.ics-flag-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
  cursor: pointer;
  position: relative;
  box-shadow: var(--shadow-card);
}

.ics-flag-card:hover, .ics-flag-card:focus-visible {
  border-color: var(--brand-primary);
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
  outline: none;
}

.ics-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.ics-card-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ics-card-letter {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--brand-primary);
}

.ics-card-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.ics-card-morse {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--brand-cyan-400);
  background: rgba(12, 188, 204, 0.12);
  padding: 2px 7px;
  border-radius: 4px;
}

.ics-card-phonetic {
  font-size: 0.76rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-bottom: 8px;
}

.ics-card-meaning {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.45;
  margin-bottom: 12px;
  flex-grow: 1;
}

.ics-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 10px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.76rem;
}

.ics-category-tag {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--tag-fg, var(--text-muted));
}


/* Warna kategori isyarat hanya membawa makna (karantina, medis, bahaya, manuver, darurat) */
.tag-quarantine { --tag-fg: var(--tone-warn); }
.tag-national-quarantine { --tag-fg: var(--brand-primary); }
.tag-medical { --tag-fg: var(--tone-danger); }
.tag-hazard { --tag-fg: var(--tone-danger); }
.tag-manoeuvre { --tag-fg: var(--tone-info); }
.tag-emergency { --tag-fg: var(--tone-alert); }
.tag-numeral { --tag-fg: var(--text-muted); }
.tag-substitute { --tag-fg: var(--tone-ok); }


.ics-detail-link {
  font-weight: 700;
  color: var(--brand-primary);
}

/* Search and Filter Toolbar */
.atlas-toolbar {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 24px;
}

.atlas-search-box {
  position: relative;
  width: 100%;
}

.atlas-search-input {
  width: 100%;
  padding: 12px 16px 12px 42px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--surface-card);
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: var(--transition-smooth);
}

.atlas-search-input:focus {
  border-color: var(--brand-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(1, 184, 166, 0.18);
}

.atlas-search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.atlas-filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.atlas-filter-chip {
  padding: 6px 14px;
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: 9999px;
  background: var(--btn-sec-bg);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.atlas-filter-chip:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.atlas-filter-chip.active {
  background: var(--brand-primary);
  color: var(--brand-primary-text);
  border-color: var(--brand-primary);
}

.atlas-count-label {
  margin-left: auto;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
}

.atlas-empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
  grid-column: 1 / -1;
}

/* ==========================================================================
   4. MODAL DETAIL BENDERA
   ========================================================================== */
.flag-detail-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(3, 13, 20, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 250;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.flag-detail-modal-backdrop.open {
  display: flex;
}

.flag-detail-modal-card {
  width: 100%;
  max-width: 720px;
  background: var(--surface-card);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 64px rgba(0,0,0,0.5);
  overflow: hidden;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.modal-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--surface-modal);
}

.modal-header-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
}

.modal-close-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--btn-sec-bg);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 1px solid var(--border-subtle);
  transition: var(--transition-smooth);
}

.modal-close-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.modal-scroll-body {
  padding: 24px;
  overflow-y: auto;
}

.modal-detail-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
}

@media (max-width: 640px) {
  .modal-detail-layout {
    grid-template-columns: 1fr;
  }
}

.modal-flag-render {
  width: 100%;
  height: 160px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 2px 6px rgba(0,0,0,0.06);
  padding: 14px;
}

[data-theme="dark"] .modal-flag-render {
  background: #090e17;
}

.modal-meta-chips {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 14px;
}

.modal-chip {
  font-size: 0.8rem;
  color: var(--text-secondary);
  background: var(--btn-sec-bg);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.modal-section {
  margin-bottom: 16px;
}

.modal-sec-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.modal-callout-meaning {
  background: rgba(1, 184, 166, 0.1);
  border-left: 4px solid var(--brand-primary);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
}

.modal-text-relevance {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.modal-source-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--brand-primary);
  background: rgba(1, 184, 166, 0.12);
  padding: 3px 8px;
  border-radius: 4px;
}

/* ==========================================================================
   5. COLREGS NIGHT LIGHTS
   ========================================================================== */
.colregs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  margin: 24px 0;
}

.colregs-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
}

.colregs-lights-mast {
  background: #020617;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.colregs-vertical-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  position: relative;
}

.colregs-vertical-stack::before {
  content: "";
  position: absolute;
  top: -8px;
  bottom: -8px;
  width: 4px;
  background: #1e293b;
  border-radius: 2px;
  z-index: 0;
}

.nav-light-bulb {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--light-color);
  box-shadow: 0 0 16px var(--light-color), 0 0 32px var(--light-color);
  z-index: 1;
  position: relative;
}

.colregs-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
}

.colregs-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.colregs-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.colregs-rule-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--brand-cyan-400);
  background: rgba(12, 188, 204, 0.12);
  padding: 2px 8px;
  border-radius: 4px;
  white-space: nowrap;
}

.colregs-desc-box {
  font-size: 0.82rem;
  color: var(--text-muted);
  background: var(--btn-sec-bg);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  line-height: 1.5;
}

.colregs-meaning-box, .colregs-notes-box {
  font-size: 0.84rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

.colregs-meaning-box strong, .colregs-notes-box strong {
  color: var(--text-primary);
  display: block;
  margin-bottom: 2px;
}

.colregs-notes-box {
  background: rgba(1, 184, 166, 0.06);
  border-left: 3px solid var(--brand-primary);
  padding: 10px 12px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ==========================================================================
   6. MORSE SIMULATOR & PHONETIC TRAINER
   ========================================================================== */
.trainer-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 28px;
  margin: 24px 0;
  box-shadow: var(--shadow-card);
}

.morse-sim-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: center;
}

@media (max-width: 768px) {
  .trainer-card {
    padding: 20px 14px;
  }
  .morse-sim-grid {
    grid-template-columns: 1fr;
  }
  .morse-sim-grid > * {
    min-width: 0;
    max-width: 100%;
  }
  #morse-char-select,
  #morse-speed-select {
    max-width: 100%;
  }
}

.morse-light-stage {
  background: #020617;
  border-radius: var(--radius-lg);
  padding: 36px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  box-shadow: inset 0 2px 10px rgba(0,0,0,0.5);
}

.morse-light-bulb {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #1e293b;
  border: 3px solid #334155;
  transition: all 0.05s ease;
}

.morse-light-bulb.morse-light-on {
  background: #facc15;
  border-color: #fef08a;
  box-shadow: 0 0 35px #facc15, 0 0 70px #eab308;
}

.morse-pattern-text {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  letter-spacing: 0.15em;
  font-weight: 800;
  color: #facc15;
}

.phonetic-trainer-box {
  background: var(--btn-sec-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  margin: 20px 0;
}

.phonetic-random-callsign {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--brand-primary);
  margin: 12px 0 16px;
  letter-spacing: 0.05em;
}

.phonetic-answer-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}

.phonetic-char-pill {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

.phonetic-char-pill[data-pronounce]::after {
  content: " (" attr(data-pronounce) ")";
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: normal;
  font-style: italic;
  margin-left: 6px;
}

.phonetic-char-pill.phonetic-space {
  width: 100%;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 700;
  background: transparent;
  border-style: dashed;
}

/* ==========================================================================
   7. CASE STUDY ACCORDION
   ========================================================================== */
.case-accordion-item {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.case-accordion-header {
  width: 100%;
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface-card);
  border: none;
  cursor: pointer;
  text-align: left;
  transition: var(--transition-smooth);
}

.case-accordion-header:hover {
  background: var(--btn-sec-hover);
}

.case-header-left {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.case-num-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-primary);
  white-space: nowrap;
}


.case-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.case-chevron {
  transition: transform 0.3s ease;
  color: var(--text-muted);
}

.case-accordion-item.open .case-chevron {
  transform: rotate(180deg);
}

.case-accordion-content {
  display: none;
  padding: 24px;
  border-top: 1px solid var(--border-subtle);
  background: var(--btn-sec-bg);
}

.case-accordion-item.open .case-accordion-content {
  display: block;
}

.case-scenario-box, .case-dilemma-box {
  background: var(--surface-card);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  margin-bottom: 16px;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.case-scenario-box strong, .case-dilemma-box strong {
  display: block;
  color: var(--text-primary);
  margin-bottom: 6px;
  font-size: 0.92rem;
}

.case-steps-heading {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 20px 0 12px;
}

.case-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.case-step-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  gap: 12px;
}

.case-step-number {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--brand-primary);
  color: var(--brand-primary-text);
  font-weight: 800;
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.case-step-title {
  font-size: 0.86rem;
  color: var(--text-primary);
  display: block;
  margin-bottom: 4px;
}

.case-step-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.case-footer-meta {
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* ==========================================================================
   9. GLOSSARY CARDS
   ========================================================================== */
.glossary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
  margin: 20px 0;
}

.glossary-term-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px;
  box-shadow: var(--shadow-card);
}

.glossary-term-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--brand-primary);
  margin-bottom: 4px;
}

.glossary-term-sub {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.glossary-term-def {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 10px;
}

.glossary-term-ref {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

/* ==========================================================================
   10. BREADCRUMB & MOBILE RESPONSIVENESS
   ========================================================================== */
.portal-breadcrumb-bar {
  background: var(--surface-card);
  border-bottom: 1px solid var(--border-subtle);
  padding: 10px 0;
  font-size: 0.8rem;
}

.portal-breadcrumb-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.breadcrumb-trail {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.breadcrumb-trail a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.breadcrumb-trail a:hover {
  color: var(--brand-primary);
}

.breadcrumb-trail span {
  color: var(--text-muted);
}

.breadcrumb-trail span:last-child {
  color: var(--text-primary);
  font-weight: 600;
}

@media (max-width: 768px) {
  .module-workspace {
    padding: 16px 12px 48px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .workspace-card {
    padding: 18px 14px !important;
    border-radius: var(--radius-lg) !important;
    box-sizing: border-box !important;
  }

  .portal-breadcrumb-inner {
    padding: 0 14px;
    flex-direction: column;
    align-items: flex-start;
  }

  .workspace-title {
    font-size: 1.32rem !important;
    line-height: 1.3 !important;
    word-break: break-word;
    overflow-wrap: break-word;
  }

  .chapter-hero-banner {
    padding: 20px 16px;
  }

  .chapter-heading {
    font-size: 1.3rem;
  }

  .flags-atlas-grid {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 12px;
  }

  .flag-card {
    padding: 12px 10px;
  }

  .flag-card-svg {
    height: 70px;
  }

  .colregs-cards-grid {
    grid-template-columns: 1fr;
  }

  .case-accordion-header {
    padding: 14px 16px;
  }

  .case-accordion-title {
    font-size: 0.95rem;
  }

  .case-accordion-body {
    padding: 16px;
  }

  .flag-modal-content {
    padding: 20px 16px;
    width: 95%;
  }

  .flag-modal-body {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .flag-modal-preview {
    max-width: 200px;
    margin: 0 auto;
  }

  .morse-dash-grid {
    grid-template-columns: 1fr;
  }

  .quick-study-grid {
    grid-template-columns: 1fr;
  }

  .info-grid-2col {
    grid-template-columns: 1fr !important;
  }
}