/* ============================================================
   analysis-shared.css
   Shared styles for all analysis/notebook HTML pages
   Portfolio: Carmela Márquez — rosenrot3585.github.io
   ============================================================ */

:root {
  --bg:       #010409;
  --surface:  #0D1117;
  --border:   #21262d;
  --purple:   #8957E5;
  --text:     #e6edf3;
  --muted:    #8b949e;
  --accent:   var(--page-accent, #8957E5);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
}

/* ── Top bar ── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(1,4,9,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 14px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.back-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s;
}
.back-link:hover { color: var(--text); }
.back-link svg { width: 14px; height: 14px; fill: currentColor; }

.topbar-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
}

.github-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 6px;
  transition: all 0.2s;
  white-space: nowrap;
}
.github-btn:hover { border-color: var(--purple); color: var(--text); }
.github-btn svg { width: 16px; height: 16px; fill: currentColor; }

/* ── Hero ── */
.hero {
  padding: 60px 40px 40px;
  max-width: 860px;
  margin: 0 auto;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.hero h1 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--text);
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.hero-meta span {
  font-size: 13px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 5px;
}

.pill {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3px 10px;
  font-size: 12px;
  color: var(--muted);
}

/* ── Main content ── */
.content {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 40px 80px;
}

/* Markdown sections */
.nb-markdown {
  margin: 28px 0;
  color: var(--muted);
}

.nb-markdown h1 { display: none; } /* title already in hero */

.nb-markdown h2 {
  font-family: 'DM Serif Display', serif;
  font-size: 22px;
  font-weight: 400;
  color: var(--text);
  margin: 40px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.nb-markdown h3 {
  font-size: 15px;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 32px 0 10px;
}

.nb-markdown p {
  color: var(--muted);
  margin-bottom: 12px;
  font-size: 15.5px;
}

.nb-markdown ul, .nb-markdown ol {
  padding-left: 20px;
  color: var(--muted);
  font-size: 15.5px;
}

.nb-markdown li {
  margin-bottom: 6px;
}

.nb-markdown strong { color: var(--text); font-weight: 500; }

.nb-markdown a {
  color: var(--accent);
  text-decoration: none;
}
.nb-markdown a:hover { text-decoration: underline; }

/* Charts */
.chart-container {
  margin: 32px 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  text-align: center;
}

.chart-container img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}

/* Text outputs (KEY INSIGHTS) */
.nb-output {
  font-family: 'DM Mono', monospace;
  font-size: 13px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
  padding: 16px 20px;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
  margin: 20px 0;
  line-height: 1.6;
}

/* ── Footer ── */
.page-footer {
  border-top: 1px solid var(--border);
  padding: 32px 40px;
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.page-footer p {
  font-size: 13px;
  color: var(--muted);
}

.page-footer a {
  color: var(--purple);
  text-decoration: none;
}
.page-footer a:hover { text-decoration: underline; }

/* ── Responsive ── */
@media (max-width: 600px) {
  .topbar { padding: 12px 18px; }
  .hero { padding: 36px 18px 24px; }
  .content { padding: 0 18px 60px; }
  .page-footer { padding: 24px 18px; }
  .topbar-title { display: none; }
}