/* =========================================================
   writeup.css
   Long-form writeups: containers, markdown content, images, code blocks
   ========================================================= */

.writeup-page {
  width: 100%;
  min-height: 100vh;
  padding: 80px 20px;
  display: flex;
  justify-content: center;
}

.writeup-shell {
  width: min(1060px, 95vw);
  border-radius: 24px;
  border: 1px solid rgba(142, 107, 255, .22);
  background: rgba(9, 4, 18, .58);
  backdrop-filter: blur(18px);
  box-shadow: 0 20px 70px rgba(0,0,0,.35);
  overflow: hidden;
}

.writeup-header {
  padding: 44px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  background: linear-gradient(135deg, rgba(142,107,255,.14), transparent 45%);
}

.writeup-header h1 {
  margin: 0;
  font-size: clamp(2.1rem, 5vw, 3.35rem);
  letter-spacing: -.03em;
}

.writeup-subtitle {
  max-width: 780px;
  margin: 16px 0 0;
  color: var(--muted);
  line-height: 1.75;
}

.tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.tag {
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid rgba(142, 107, 255, .22);
  background: rgba(142, 107, 255, .10);
  color: #eadcff;
  font-size: .82rem;
}

.writeup-content {
  padding: 44px;
}

.writeup-content > h1:first-child {
  display: none;
}

.writeup-content h2 {
  margin-top: 58px;
  margin-bottom: 18px;
  color: #fff;
  letter-spacing: -.02em;
  text-shadow: 0 0 14px rgba(142,107,255,.34);
}

.writeup-content h3 {
  margin-top: 36px;
  color: #dfc2ff;
}

.writeup-content p {
  line-height: 1.85;
  color: rgba(245,238,255,.86);
}

.writeup-content a {
  color: #d7b4ff;
  border-bottom: 1px solid rgba(215,180,255,.35);
}

.writeup-content strong {
  color: #fff;
}

.section-rule {
  border: 0;
  height: 1px;
  margin: 38px 0;
  background: linear-gradient(90deg, transparent, rgba(180,120,255,.28), transparent);
}

.text-highlight {
  display: inline;
  color: #fff;
  background: linear-gradient(90deg, rgba(142,107,255,.18), transparent);
  border: 1px solid rgba(142,107,255,.16);
  padding: .08rem .32rem;
  border-radius: 7px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.note-line,
.callout,
blockquote {
  margin: 22px 0;
  padding: 16px 18px;
  border-radius: 14px;
  border: 1px solid rgba(180,120,255,.15);
  background: rgba(142,107,255,.075);
}

blockquote {
  border-left: 4px solid rgba(180,120,255,.55);
}

.writeup-content ul,
.writeup-content ol {
  padding-left: 1.35rem;
  margin: 1rem 0 2rem;
}

.writeup-content li {
  margin-bottom: .75rem;
  line-height: 1.75;
}

.writeup-content li code,
:not(pre) > code {
  background: rgba(142,107,255,.11);
  padding: .15rem .42rem;
  border-radius: 7px;
  border: 1px solid rgba(142,107,255,.18);
  color: #e8cfff;
  font-family: var(--mono);
  font-size: .92em;
}

.writeup-image {
  margin: 30px 0;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(180,120,255,.16);
  background: rgba(0,0,0,.28);
  box-shadow: 0 18px 50px rgba(0,0,0,.25);
}

.writeup-image img {
  width: 100%;
  display: block;
}

.code-block {
  position: relative;
  margin: 28px 0;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.05);
  background: linear-gradient(180deg, rgba(22,18,30,.52), rgba(10,10,14,.36));
  backdrop-filter: blur(20px);
  box-shadow: 0 18px 45px rgba(0,0,0,.35);
  transition: .25s;
}

.code-block:hover {
  border-color: rgba(142,107,255,.18);
  box-shadow: 0 16px 50px rgba(0,0,0,.42);
}

.code-header {
  min-height: 46px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  border-bottom: 1px solid rgba(255,255,255,.05);
  background: rgba(255,255,255,.025);
}

.code-title {
  font: 600 .74rem var(--mono);
  letter-spacing: .12em;
  color: #AAA2C8;
  text-transform: uppercase;
}

.copy-btn {
  border: 1px solid rgba(142,107,255,.20);
  background: rgba(255,255,255,.04);
  backdrop-filter: blur(16px);
  color: #ECE8FF;
  padding: 8px 15px;
  border-radius: 11px;
  cursor: pointer;
  transition: .22s;
  box-shadow: 0 0 14px rgba(142,107,255,.18);
}

.copy-btn:hover {
  background: rgba(142,107,255,.08);
  border-color: #8E6BFF;
  box-shadow: 0 0 16px rgba(142,107,255,.22);
}

.copy-btn:active {
  transform: scale(.97);
}

pre[class*="language-"] {
  margin: 0 !important;
  padding: 22px !important;
  overflow-x: auto;
  background: transparent !important;
  font-size: .92rem;
  line-height: 1.75;
}

code[class*="language-"] {
  font-family: var(--mono) !important;
  white-space: pre;
}

@media (max-width: 768px) {
  .writeup-page {
    padding: 40px 14px;
  }

  .writeup-header,
  .writeup-content {
    padding: 26px;
  }
}