/* Codensec — Writeups (public) */

.wu-hero { padding: 12px 0 44px; }
.wu-hero h1 { max-width: 760px; margin: 10px 0 14px; }
.wu-hero p { max-width: 640px; color: var(--muted); font-size: 1.03rem; }

.wu-filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.wu-filters select {
  font: inherit; color: var(--text); background: var(--bg-raised);
  border: 1px solid var(--line); border-radius: 10px; padding: 11px 14px;
  min-width: 170px;
}
.wu-filters .btn { padding: 11px 16px; }

.wu-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 980px) { .wu-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px) { .wu-grid { grid-template-columns: 1fr; } }

.wu-card { display: flex; flex-direction: column; padding: 0; overflow: hidden; text-decoration: none; color: inherit; }
.wu-card-cover {
  position: relative; height: 150px; background: var(--bg-inset);
  background-size: cover; background-position: center;
  display: flex; align-items: center; justify-content: center;
  border-bottom: 1px solid var(--line);
}
.wu-card-glyph { font-family: var(--font-mono); font-size: 1.8rem; color: var(--text-faint); }
.wu-card-cover .wu-pill { position: absolute; top: 10px; right: 10px; }
.wu-card-body { padding: 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.wu-card-body h3 { font-size: 1.1rem; line-height: 1.4; margin: 2px 0 0; }
.wu-card-body p { color: var(--muted); font-size: .9rem; line-height: 1.55; margin: 0; }
.wu-card-meta { margin-top: auto; padding-top: 10px; display: flex; gap: 14px; color: var(--text-faint); font-size: .78rem; }
.wu-card:hover { border-color: var(--text-faint); transform: translateY(-3px); transition: transform .2s var(--ease-out), border-color .2s ease; }

.wu-pill {
  display: inline-flex; align-items: center; padding: 4px 11px; border-radius: 999px;
  font-size: .72rem; font-weight: 700; letter-spacing: .03em; background: var(--bg);
  border: 1px solid var(--line); color: var(--muted);
}
.wu-diff-easy { color: var(--accent-hover); border-color: color-mix(in srgb, var(--accent) 35%, var(--line)); }
.wu-diff-medium { color: #ffcf6f; border-color: color-mix(in srgb, #ffcf6f 35%, var(--line)); }
.wu-diff-hard { color: #ff9f6f; border-color: color-mix(in srgb, #ff9f6f 35%, var(--line)); }
.wu-diff-insane { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 35%, var(--line)); }

.wu-empty { color: var(--muted); padding: 30px 0; }

.wu-pagination { display: flex; gap: 8px; margin-top: 34px; flex-wrap: wrap; }
.wu-pagination a {
  min-width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); border-radius: 8px; color: var(--muted); text-decoration: none; font-size: .85rem;
}
.wu-pagination a.is-active { border-color: var(--accent); color: var(--accent); }
.wu-pagination a:hover { border-color: var(--text-faint); color: var(--text); }

/* Detail page */
.wu-detail-hero { padding: 36px 0 10px; }
.back-link { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); text-decoration: none; margin-bottom: 18px; font-size: .88rem; }
.back-link:hover { color: var(--accent-hover); }
.wu-draft-flag { display: inline-block; margin: 0 0 14px; padding: 6px 12px; border: 1px solid var(--danger); border-radius: 999px; color: var(--danger); font-size: .72rem; font-weight: 800; letter-spacing: .08em; }
.wu-detail-hero h1 { font-size: clamp(2rem, 4vw, 2.8rem); margin: 14px 0 10px; }
.wu-detail-summary { color: var(--muted); font-size: 1.05rem; max-width: 760px; margin: 0 0 18px; }
.wu-detail-meta { display: flex; flex-wrap: wrap; gap: 18px; color: var(--muted); font-size: .88rem; margin-bottom: 24px; }
.wu-detail-meta strong { color: var(--text); font-weight: 700; }
.wu-cover { border-radius: 16px; overflow: hidden; border: 1px solid var(--line); margin-bottom: 8px; }
.wu-cover img { display: block; width: 100%; height: auto; max-height: 420px; object-fit: cover; }

.wu-article { max-width: 820px; margin: 0 auto; }
.wu-heading { margin: 40px 0 16px; line-height: 1.3; }
h2.wu-heading { font-size: 1.5rem; }
h3.wu-heading { font-size: 1.2rem; }
.wu-paragraph { color: var(--text-dim); line-height: 1.75; font-size: 1rem; margin: 0 0 20px; }
.wu-paragraph code, .wu-note code { background: var(--bg); border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; font-family: var(--font-mono); font-size: .88em; color: var(--accent-hover); }
.wu-paragraph a { color: var(--accent-hover); }

.wu-figure { margin: 24px 0; }
.wu-figure img { width: 100%; height: auto; border-radius: 12px; border: 1px solid var(--line); display: block; }
.wu-figure figcaption { margin-top: 8px; color: var(--text-faint); font-size: .82rem; text-align: center; }

.wu-note { border-left: 3px solid var(--accent); background: var(--bg-raised); border-radius: 0 10px 10px 0; padding: 14px 18px; margin: 22px 0; color: var(--text-dim); line-height: 1.6; font-size: .92rem; }
.wu-note-warning { border-left-color: var(--danger); }

/* Terminal block */
.wu-terminal { margin: 26px 0; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: var(--bg); box-shadow: 0 18px 50px color-mix(in srgb, var(--bg) 24%, transparent); }
.wu-terminal-bar { display: flex; align-items: center; gap: 7px; padding: 11px 14px; background: var(--panel); border-bottom: 1px solid var(--line); }
.wu-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--line); }
.wu-dot:nth-child(1) { background: #ff6675; }
.wu-dot:nth-child(2) { background: #ffcf6f; }
.wu-dot:nth-child(3) { background: #6fd8ff; }
.wu-terminal-title { margin-left: 10px; color: var(--muted); font: 400 .75rem/1 var(--font-mono); }
.wu-terminal-body {
  margin: 0; padding: 18px; white-space: pre-wrap; overflow-x: auto; overflow-wrap: anywhere;
  font: 13px/1.8 var(--font-mono); color: var(--text-dim); max-width: 100%;
}
.wu-cmd { display: block; color: var(--text); }
.wu-prompt { color: var(--accent); font-weight: 700; }
.wu-comment { display: block; color: var(--text-faint); }
.wu-out { display: block; color: var(--text-dim); opacity: .9; }

@media (max-width: 640px) {
  .wu-filters select { width: 100%; }
  .wu-filters { flex-direction: column; }
  .wu-detail-meta { gap: 10px 18px; }
}