/* ============================================
   tabs.css — tab bar + all panel content styles
   ============================================ */

/* --- Tab bar --- */
.tabs-wrap {
  margin-top: 3.5rem;
}

.tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
}

.tab-btn {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  font-weight: 400;
  color: var(--tab-inactive);
  cursor: pointer;
  padding: 0 0 12px;
  margin-right: 24px;
  border: none;
  background: none;
  border-bottom: 1.5px solid transparent;
  margin-bottom: -1px;
  letter-spacing: -0.01em;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.tab-btn:first-child { padding-left: 0; }
.tab-btn:hover:not(.active) { color: var(--accent); }
.tab-btn.active {
  color: var(--tab-active);
  border-bottom-color: var(--tab-active);
}

/* --- Panels --- */
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---- Skills panel ---- */
.skills-list {
  padding-top: 18px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.75rem 3rem;
}

.skills-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.skills-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.skills-category {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.skills-count {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

/* Collapsible body */
.exp-body,
.proj-body {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s ease;
}
[data-expanded="true"] .exp-body,
[data-expanded="true"] .proj-body {
  max-height: 2000px;
}

.exp-clickable,
.proj-clickable {
  cursor: pointer;
}

.toggle-btn {
  background: none;
  border: 1px solid var(--toggle-border);
  border-radius: 4px;
  color: var(--text-muted);
  font-size: 14px;
  font-family: 'JetBrains Mono', monospace;
  width: 22px;
  height: 22px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s ease;
  line-height: 1;
  padding: 0;
}
.toggle-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---- Experience panel ---- */
.exp-list {
  padding-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.exp-item {
  border-left: 2px solid var(--accent);
  padding-left: 1.25rem;
  transition: opacity 0.2s ease;
}
.exp-item:hover .exp-role {
  color: var(--accent);
}

.exp-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 4px;
}

.exp-role {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  transition: color 0.2s ease;
}

.exp-company {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  color: var(--text-muted);
  margin-bottom: 8px;
  letter-spacing: 0.01em;
}

.exp-company-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.exp-company-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.01em;
}

.exp-location {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.01em;
  white-space: nowrap;
  flex-shrink: 0;
}

.exp-desc {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.75;
  padding-top: 1rem;
}
.exp-desc strong {
  color: var(--text);
  font-weight: 500;
}

.metric {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--accent);
  background: rgba(249, 115, 22, 0.08);
  border: 1px solid rgba(249, 115, 22, 0.22);
  border-radius: 4px;
  padding: 1px 7px;
}
[data-theme="light"] .metric {
  background: rgba(234, 88, 12, 0.07);
  border-color: rgba(234, 88, 12, 0.28);
}

.inline-code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  background: var(--tag-bg);
  padding: 1px 5px;
  border-radius: 3px;
  border: 1px solid var(--tag-border);
}

/* ---- Writings panel ---- */
.writing-list {
  padding-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.writing-item {
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}
.writing-item:last-child { border-bottom: none; }
.writing-item:hover .writing-title { color: var(--accent); }

.writing-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
  transition: color 0.2s ease;
}

.writing-desc {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ---- Projects panel ---- */
.proj-list {
  padding-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.proj-item {
  border-left: 2px solid var(--accent);
  padding-left: 1.25rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}
.proj-item:last-child { border-bottom: none; }

.proj-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 6px;
}

.proj-header-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.proj-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.2s ease;
}
.proj-name:hover {
  opacity: 0.75;
}

.proj-featured {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 500;
  color: var(--accent);
  background: rgba(249, 115, 22, 0.08);
  border: 1px solid rgba(249, 115, 22, 0.22);
  border-radius: 4px;
  padding: 2px 6px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
[data-theme="light"] .proj-featured {
  background: rgba(234, 88, 12, 0.07);
  border-color: rgba(234, 88, 12, 0.28);
}

.proj-year {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
}

.proj-desc {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.75;
  padding-top: 1rem;
  margin-bottom: 10px;
}

/* ---- Education panel ---- */
.edu-list {
  padding-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.edu-item {
  border-left: 2px solid var(--accent);
  padding-left: 1.25rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}
.edu-item:last-child { border-bottom: none; }
.edu-item:hover .edu-degree { color: var(--accent); }

.edu-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

.edu-degree-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.edu-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 500;
  color: var(--accent);
  background: rgba(249, 115, 22, 0.08);
  border: 1px solid rgba(249, 115, 22, 0.22);
  border-radius: 4px;
  padding: 2px 6px;
  letter-spacing: 0.03em;
  flex-shrink: 0;
}
[data-theme="light"] .edu-badge {
  background: rgba(234, 88, 12, 0.07);
  border-color: rgba(234, 88, 12, 0.28);
}

.edu-degree {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  transition: color 0.2s ease;
}

.edu-period {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
  letter-spacing: 0.01em;
}

.edu-institute-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.edu-institute {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.01em;
}

.edu-location {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.01em;
  white-space: nowrap;
  flex-shrink: 0;
}

@media (max-width: 600px) {
  .tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .tabs::-webkit-scrollbar { display: none; }

  .tab-btn {
    white-space: nowrap;
    flex-shrink: 0;
    font-size: 12px;
    margin-right: 16px;
  }

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

  .exp-company-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }

  .proj-header          { flex-direction: column; gap: 4px; }
  .proj-header-right    { justify-content: flex-start; }
  .edu-header           { flex-direction: column; gap: 2px; }
  .edu-degree-row       { flex-wrap: wrap; }
  .edu-institute-row    { flex-direction: column; align-items: flex-start; gap: 2px; }
}