/* ==========================================================================
   Smart Budget — Blog & Article styles
   Extends css/style.css design tokens (colors, fonts, radii, shadows).
   Loaded only on /blog/, /ru/blog/, /es/blog/ pages, after style.css.
   ========================================================================== */

/* ---- Listing hero ---- */
.blog-hero {
  padding: 160px 0 56px;
  text-align: center;
}

.blog-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.blog-hero p {
  color: #94A3B8;
  max-width: 640px;
  margin: 16px auto 0;
  font-size: 1.05rem;
}

/* ---- Listing grid ---- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  padding-bottom: 100px;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-decoration: none;
  transition: var(--trans-normal);
}

.blog-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateY(-4px);
}

.blog-card-date {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--accent-emerald-light);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.blog-card h2 {
  font-size: 1.22rem;
  color: #FFFFFF;
  line-height: 1.35;
}

.blog-card p {
  color: #94A3B8;
  font-size: 0.92rem;
  line-height: 1.6;
}

.blog-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 56px 24px;
  color: #64748B;
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-lg);
}

/* ---- Article header ---- */
.article-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #94A3B8;
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 24px;
  transition: var(--trans-fast);
}

.article-back:hover { color: #FFFFFF; }

.article-header {
  padding: 150px 0 36px;
  max-width: 760px;
  margin: 0 auto;
}

.article-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-emerald-light);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}

.article-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: #FFFFFF;
  line-height: 1.25;
  margin-bottom: 16px;
}

.article-lede {
  color: #94A3B8;
  font-size: 1.1rem;
  line-height: 1.6;
}

/* ---- Article body (prose) ---- */
.article-body {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px 100px;
  color: #CBD5E1;
  font-size: 1.05rem;
  line-height: 1.8;
  position: relative;
  z-index: 1;
}

.article-body h2 {
  color: #FFFFFF;
  font-size: 1.5rem;
  margin: 48px 0 16px;
}

.article-body h3 {
  color: #FFFFFF;
  font-size: 1.2rem;
  margin: 32px 0 12px;
}

.article-body p { margin-bottom: 20px; }

.article-body ul,
.article-body ol {
  margin: 0 0 20px 24px;
}

.article-body li { margin-bottom: 8px; }

.article-body a {
  color: var(--accent-emerald-light);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-body strong { color: #FFFFFF; }

.article-body blockquote {
  border-left: 3px solid var(--accent-emerald);
  padding: 4px 0 4px 20px;
  margin: 24px 0;
  color: #94A3B8;
  font-style: italic;
}

.article-body img {
  width: 100%;
  border-radius: var(--radius-md);
  margin: 8px 0 24px;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0 24px;
  font-size: 0.95rem;
}

.article-body th,
.article-body td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.article-body th {
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.article-body td.num {
  text-align: right;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---- Style-guide components: TL;DR, callouts, stat highlight, chat demo ----
   Usage examples: templates/blog-components.html. Keep articles light — one
   demo block + one callout is usually enough for an 800-1200 word post. */

.tldr-box {
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 8px 0 32px;
}

.tldr-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-emerald-light);
  margin-bottom: 10px;
}

.tldr-box ul { margin: 0 0 0 20px; }
.tldr-box li { color: #E2E8F0; margin-bottom: 6px; }
.tldr-box li:last-child { margin-bottom: 0; }

.callout {
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin: 28px 0;
  border-left: 3px solid;
}

.callout-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.callout-tip {
  background: rgba(16, 185, 129, 0.08);
  border-left-color: var(--accent-emerald);
}
.callout-tip .callout-label { color: var(--accent-emerald-light); }

.callout-mistake {
  background: rgba(244, 63, 94, 0.08);
  border-left-color: var(--accent-rose);
}
.callout-mistake .callout-label { color: #FB7185; }

.stat-highlight {
  text-align: center;
  padding: 28px 20px;
  margin: 32px 0;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
}

.stat-highlight .stat-num {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 700;
  background: var(--grad-text-glow);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.1;
}

.stat-highlight .stat-caption { color: #94A3B8; font-size: 0.92rem; margin-top: 6px; }
.stat-highlight .stat-source { color: #64748B; font-size: 0.76rem; margin-top: 10px; }

/* Compact "here's what it looks like in Telegram" demo.
   Reuses .msg / .msg-user / .msg-bot / .receipt-card-preview from style.css —
   the same classes the homepage chat simulator uses, so it stays pixel-accurate
   to the real product instead of a mocked-up screenshot. */
.article-demo {
  background: radial-gradient(circle at center, #131E33 0%, #0E1626 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 18px;
  margin: 32px 0;
}

.article-demo-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #64748B;
  margin-bottom: 12px;
}

.article-demo .chat-messages {
  height: auto;
  padding: 0;
  overflow: visible;
}

/* ---- Author bio strip (E-E-A-T: named author, not just "Smart Budget Team") ---- */
.author-bio {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 40px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.author-bio .author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-secondary);
  padding: 8px;
  flex-shrink: 0;
  object-fit: contain;
}

.author-name {
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.95rem;
}

.author-title {
  color: #94A3B8;
  font-size: 0.86rem;
  margin-top: 2px;
}

/* ---- Dashboard-style chart illustration (real product color scheme, example data) ---- */
.dashboard-chart {
  background: #0B0F19;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px 24px 16px;
  margin: 32px 0;
}

.dashboard-chart-title {
  color: #FFFFFF;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.dashboard-chart-caption {
  color: #64748B;
  font-size: 0.78rem;
  margin-bottom: 16px;
}

.dashboard-chart svg text {
  font-family: var(--font-mono);
  fill: #94A3B8;
}

.dashboard-chart svg .bar-value {
  fill: #E2E8F0;
  font-size: 13px;
  font-weight: 600;
}

.dashboard-chart svg .axis-label {
  font-size: 12px;
}

.dashboard-chart svg .member-label {
  fill: #FFFFFF;
  font-size: 13px;
  font-weight: 600;
}

.dashboard-chart svg .grid-line {
  stroke: rgba(255, 255, 255, 0.08);
  stroke-width: 1;
}

.dashboard-chart-legend {
  display: flex;
  gap: 20px;
  margin-top: 12px;
  font-size: 0.78rem;
  color: #94A3B8;
}

.dashboard-chart-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.dashboard-chart-legend i {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  display: inline-block;
}

/* ---- Bottom CTA box ---- */
.article-cta {
  margin-top: 48px;
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  text-align: center;
}

.article-cta h3 {
  color: #FFFFFF;
  margin-bottom: 8px;
  font-size: 1.3rem;
}

.article-cta p {
  color: #94A3B8;
  margin-bottom: 20px;
}

@media (max-width: 640px) {
  .blog-hero,
  .article-header { padding-top: 120px; }
}