/* ===== WRITEUP HERO ===== */
.writeup-hero {
  padding: 3rem 2rem 2rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
  text-align: center;
}
.writeup-hero-meta { display: flex; gap: 0.5rem; margin-bottom: 0.75rem; flex-wrap: wrap; justify-content: center; }
.writeup-hero h1 { font-size: 1.8rem; font-weight: 700; color: var(--text-bright); }
.writeup-hero h1 span { color: var(--accent); }
.writeup-hero > p { margin-top: 0.5rem; color: var(--text-dim); max-width: 680px; font-size: 0.9rem; line-height: 1.75; margin-left: auto; margin-right: auto; }
.writeup-hero-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 1rem; justify-content: center; }

/* ===== LAYOUT ===== */
.writeup-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 0;
  max-width: 1100px;
  margin: 0 auto;
  min-height: 60vh;
}

/* ===== TOC SIDEBAR ===== */
.writeup-toc {
  padding: 2rem 1.25rem;
  border-right: 1px solid var(--border);
  position: sticky;
  top: 60px;
  align-self: start;
  height: calc(100vh - 60px);
  overflow-y: auto;
  background: var(--bg2);
}
.toc-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  font-weight: 600;
  margin-bottom: 0.75rem;
}
.writeup-toc ul { list-style: none; display: flex; flex-direction: column; gap: 0.1rem; }
.writeup-toc a {
  display: block;
  padding: 0.35rem 0.6rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-dim);
  text-decoration: none;
  border-radius: 4px;
  border-left: 2px solid transparent;
  transition: all var(--transition);
}
.writeup-toc a:hover { color: var(--accent); border-left-color: var(--accent); background: var(--accent-bg); }
.toc-back {
  display: block;
  margin-top: 1.5rem;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-dim);
  text-decoration: none;
  padding: 0.4rem 0;
  transition: color var(--transition);
}
.toc-back:hover { color: var(--accent); }

/* ===== ARTICLE BODY ===== */
.writeup-body {
  padding: 2rem 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.writeup-body section {
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
}
.writeup-body section:last-child { border-bottom: none; }

.writeup-body h2 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.sub-heading {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  margin: 1.25rem 0 0.75rem;
}
.writeup-body p {
  color: var(--text-dim);
  font-size: 0.88rem;
  line-height: 1.8;
  margin-bottom: 0.85rem;
}
.writeup-body p:last-child { margin-bottom: 0; }
.writeup-body p code, .writeup-body li code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #0e7490;
  background: #cffafe;
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
}

/* ===== CODE BLOCKS ===== */
.code-block {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 0.85rem 0;
}
.code-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 1rem;
  background: var(--bg4);
  border-bottom: 1px solid var(--border);
}
.code-bar span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
}
.code-bar button {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.18rem 0.6rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-dim);
  cursor: pointer;
  transition: all var(--transition);
}
.code-bar button:hover { border-color: var(--accent); color: var(--accent); }
.code-block pre {
  padding: 1rem 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.83rem;
  color: var(--text);
  margin: 0;
  white-space: pre-wrap;
  word-break: break-all;
  line-height: 1.65;
}

/* ===== FINDINGS BOX ===== */
.findings-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 0.85rem 0;
  box-shadow: var(--shadow-sm);
}
.finding-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}
.finding-item:last-child { border-bottom: none; }
.finding-item span:last-child { color: var(--text-dim); }
.finding-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  white-space: nowrap;
  background: var(--bg3);
  color: var(--text);
  border: 1px solid var(--border);
  flex-shrink: 0;
  min-width: 70px;
  text-align: center;
}
.finding-label.blue   { background: #dbeafe; color: #1d4ed8; border-color: #bfdbfe; }
.finding-label.green  { background: #dcfce7; color: #15803d; border-color: #bbf7d0; }
.finding-label.red    { background: #fee2e2; color: #b91c1c; border-color: #fecaca; }
.finding-label.yellow { background: #fef3c7; color: #b45309; border-color: #fde68a; }

/* ===== RESULT BOX ===== */
.result-box {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  margin: 0.85rem 0;
  border-left: 3px solid;
}
.result--green { background: #f0fdf4; border-color: var(--green); color: var(--text); }
.result--red   { background: #fef2f2; border-color: var(--red);   color: var(--text); }
.result--blue  { background: var(--accent-bg); border-color: var(--accent); color: var(--text); }
.result-box strong { font-family: var(--font-mono); font-size: 0.82rem; }

/* ===== CALLOUT ===== */
.callout {
  padding: 1rem 1.1rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  line-height: 1.7;
  margin: 0.85rem 0;
  border-left: 3px solid;
}
.callout--blue   { background: var(--accent-bg); border-color: var(--accent);   color: var(--text-dim); }
.callout--green  { background: #f0fdf4;           border-color: var(--green);    color: var(--text-dim); }
.callout--yellow { background: #fffbeb;            border-color: var(--yellow);   color: var(--text-dim); }
.callout--orange { background: #fff7ed;            border-color: #f97316;         color: var(--text-dim); }
.callout strong  { color: var(--text-bright); display: block; margin-bottom: 0.35rem; font-weight: 600; }

/* ===== FLAG SUMMARY ===== */
.flag-summary { display: flex; flex-direction: column; gap: 0.6rem; margin-bottom: 1rem; }
.flag-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.65rem 1rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  color: var(--text-dim);
  box-shadow: var(--shadow-sm);
}
.flag-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-bg);
  border: 1px solid #bfdbfe;
  border-radius: 4px;
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

/* ===== LOCKED SECTIONS ===== */
.locked-wrapper {
  position: relative;
  margin-top: 2rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.locked-blur {
  filter: blur(5px);
  user-select: none;
  pointer-events: none;
  opacity: 0.4;
}
.locked-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  background: rgba(10, 14, 20, 0.5);
}
.locked-overlay-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 3px;
  text-transform: uppercase;
}
.locked-overlay p {
  font-size: 0.875rem;
  color: var(--text-dim);
  text-align: center;
  max-width: 340px;
  line-height: 1.65;
}
.toc-locked {
  font-size: 0.78rem;
  color: var(--text-dim);
  opacity: 0.45;
  font-family: var(--font-mono);
  padding: 0.15rem 0;
  list-style: none;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .writeup-layout { grid-template-columns: 1fr; }
  .writeup-toc { position: static; height: auto; border-right: none; border-bottom: 1px solid var(--border); padding: 1rem 1.25rem; }
  .writeup-toc ul { flex-direction: row; flex-wrap: wrap; }
  .writeup-body { padding: 1.25rem; }
  .writeup-hero { padding: 2rem 1.25rem 1.5rem; }
}