/* ============================================================
   PYQJunction — Blog Stylesheet (Dark Modern System)
   File: /blog/blog.css
   Responsive, high-contrast dark aesthetic for 320px–4k displays
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Design Tokens ────────────────────────────────────────── */
:root {
  --bg:        #060913;
  --bg2:       #0d1117;
  --bg3:       #080c18;
  --surface:   #0f172a;
  --surface2:  #161f30;
  --border:    #1e2438;
  --border2:   #2a3050;
  --text:      #f0f6ff;
  --text2:     #cbd5e1;
  --text3:     #94a3b8;
  --text4:     #64748b;
  --text5:     #475569;

  /* Accent colors */
  --green:     #22c55e;
  --green-dk:  #052e16;
  --green-glow:rgba(34, 197, 94, 0.25);
  --cyan:      #0ea5e9;
  --cyan-dk:   #082f49;
  --blue:      #3b82f6;
  --purple:    #a78bfa;
  --amber:     #fbbf24;
  --red:       #ef4444;

  /* Typography */
  --sans:      'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono:      'JetBrains Mono', 'Fira Code', monospace;

  /* Layout & Geometry */
  --content-w: 800px;
  --radius:    12px;
  --radius-sm: 8px;
  --radius-lg: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,.4);
  --shadow:    0 4px 20px rgba(0,0,0,.5);
  --shadow-md: 0 8px 32px rgba(0,0,0,.6);
  --shadow-glow:0 0 24px rgba(34,197,94,.18);
}

/* ── Base Reset & Article Typography ───────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

img, video, canvas, iframe {
  max-width: 100%;
  height: auto;
}

.blog-content,
article {
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text2);
  max-width: var(--content-w);
  margin: 0 auto;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

/* ── Headings ─────────────────────────────────────────────── */
article h1,
.blog-content h1 {
  font-family: var(--sans);
  font-size: clamp(1.6rem, 4vw, 2.35rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--text);
  letter-spacing: -.02em;
  margin: 0 0 16px;
  overflow-wrap: break-word;
}

article h2,
.blog-content h2 {
  font-family: var(--sans);
  font-size: clamp(1.2rem, 3vw, 1.55rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--text);
  letter-spacing: -.015em;
  margin: 40px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  overflow-wrap: break-word;
}

article h3,
.blog-content h3 {
  font-family: var(--sans);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin: 28px 0 10px;
  letter-spacing: -.01em;
  overflow-wrap: break-word;
}

article h4,
.blog-content h4 {
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text2);
  margin: 0 0 6px;
}

/* ── Paragraphs & Links ───────────────────────────────────── */
article p,
.blog-content p {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text2);
  margin: 0 0 18px;
}

article p strong,
.blog-content p strong {
  color: var(--text);
  font-weight: 700;
}

article p em,
.blog-content p em {
  color: var(--text);
  font-style: italic;
}

article a,
.blog-content a {
  color: var(--green);
  text-decoration: none;
  transition: opacity .15s, color .15s;
}

article a:hover,
.blog-content a:hover {
  text-decoration: underline;
  opacity: .85;
}

/* ── Lists ────────────────────────────────────────────────── */
article ul,
article ol,
.blog-content ul,
.blog-content ol {
  padding-left: 22px;
  margin: 0 0 20px;
}

article li,
.blog-content li {
  font-size: .98rem;
  line-height: 1.85;
  color: var(--text2);
  margin-bottom: 6px;
}

article li::marker {
  color: var(--green);
  font-weight: 700;
}

/* Checklist */
.checklist { list-style: none; padding-left: 0; }
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: .95rem;
  color: var(--text2);
}
.checklist li:last-child { border-bottom: none; }
.checklist li::before {
  content: "✓";
  color: var(--green);
  font-weight: 800;
  font-size: .9rem;
  margin-top: 2px;
  flex-shrink: 0;
}

/* ── Data Tables & Universal Table Support ─────────────────── */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 22px 0 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg2);
  width: 100%;
}

.data-table,
table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
  text-align: left;
}

.data-table thead tr,
table thead tr,
table tr:first-child th {
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
}

.data-table thead th,
table th {
  padding: 12px 16px;
  font-family: var(--sans);
  font-size: .8rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: .05em;
  text-transform: uppercase;
  white-space: nowrap;
}

.data-table tbody tr,
table tbody tr,
table tr {
  border-bottom: 1px solid var(--border);
  transition: background .15s;
}
.data-table tbody tr:last-child,
table tbody tr:last-child,
table tr:last-child { border-bottom: none; }

.data-table tbody tr:hover,
table tbody tr:hover { background: rgba(255,255,255,0.03); }

.data-table td,
table td {
  padding: 11px 16px;
  color: var(--text2);
  vertical-align: top;
  line-height: 1.6;
}

.data-table td strong,
table td strong { color: var(--text); }

/* Ensure unwrapped tables scroll on mobile */
@media (max-width: 768px) {
  table:not(.data-table) {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin: 18px 0;
  }
}

/* ── Info / Alert Callout Boxes ───────────────────────────── */
.info-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border2);
  background: var(--bg2);
  margin: 24px 0;
  font-size: .95rem;
  line-height: 1.75;
  overflow-wrap: break-word;
}

.info-box .box-title {
  font-family: var(--sans);
  font-size: .85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .06em;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  margin-bottom: 2px;
}

.info-box p,
.info-box ul { margin: 0; color: var(--text2); font-size: .93rem; }
.info-box ul { padding-left: 18px; }
.info-box li { margin-bottom: 5px; }

/* Variants */
.info-box.success {
  background: rgba(34,197,94,.08);
  border-color: rgba(34,197,94,.28);
}
.info-box.success .box-title { color: var(--green); }

.info-box.warning {
  background: rgba(251,191,36,.08);
  border-color: rgba(251,191,36,.28);
}
.info-box.warning .box-title { color: var(--amber); }

.info-box.danger {
  background: rgba(239,68,68,.08);
  border-color: rgba(239,68,68,.28);
}
.info-box.danger .box-title { color: var(--red); }

.info-box.blue {
  background: rgba(59,130,246,.08);
  border-color: rgba(59,130,246,.28);
}
.info-box.blue .box-title { color: var(--blue); }

/* Highlight Fact Bar */
.highlight-fact {
  background: rgba(251,191,36,.08);
  border-left: 4px solid var(--amber);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 14px 18px;
  margin: 20px 0;
  font-size: .93rem;
  line-height: 1.7;
  color: #fef08a;
  overflow-wrap: break-word;
}
.highlight-fact strong { color: #fff; }

/* Quote block */
.quote {
  background: rgba(255,255,255,0.03);
  border-left: 4px solid var(--green);
  padding: 16px 20px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 20px 0;
  font-style: italic;
  font-size: 1rem;
  color: var(--text);
  overflow-wrap: break-word;
}

/* ── Cards ────────────────────────────────────────────────── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: var(--shadow-sm);
  overflow-wrap: break-word;
}

.small-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin: 18px 0;
}

/* ── Step Cards ───────────────────────────────────────────── */
.step-card {
  display: flex;
  gap: 16px;
  margin-bottom: 14px;
  padding: 18px 20px;
  border-radius: var(--radius);
  background: var(--bg2);
  border: 1px solid var(--border);
  align-items: flex-start;
  transition: transform .15s, border-color .15s;
}
.step-card:hover {
  transform: translateY(-2px);
  border-color: var(--border2);
}

.step-num {
  min-width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--green);
  color: var(--green-dk);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: .95rem;
  flex-shrink: 0;
  box-shadow: 0 0 14px var(--green-glow);
}

.step-card h4 { font-size: 1rem; font-weight: 800; color: var(--text); margin-bottom: 4px; }
.step-card p  { font-size: .9rem; color: var(--text3); margin: 0; line-height: 1.7; }

/* ── Day Plan Items ───────────────────────────────────────── */
.day-plan-item {
  display: flex;
  margin-bottom: 14px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg2);
  transition: transform .15s;
}
.day-plan-item:hover { transform: translateY(-2px); }

.day-num {
  min-width: 80px;
  background: var(--surface2);
  color: var(--text);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px 10px;
  font-family: var(--sans);
  font-size: .75rem;
  font-weight: 800;
  text-align: center;
  border-right: 1px solid var(--border);
}
.day-num span { font-size: 1.5rem; display: block; color: var(--green); margin-bottom: 2px; }

.day-body { padding: 16px 20px; flex: 1; min-width: 0; }
.day-body h4 { font-size: 1rem; font-weight: 800; color: var(--text); margin-bottom: 6px; }
.day-body ul { margin: 6px 0 0 18px; font-size: .9rem; color: var(--text2); line-height: 1.8; }

.day-tag {
  display: inline-block;
  font-size: .7rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 6px;
  letter-spacing: .03em;
  background: rgba(34,197,94,.1);
  color: var(--green);
  border: 1px solid rgba(34,197,94,.25);
}

/* ── Topic Blocks ─────────────────────────────────────────── */
.topic-block {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 14px;
}
.topic-block h4 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.topic-tag {
  font-size: .7rem;
  background: rgba(34,197,94,.1);
  color: var(--green);
  border: 1px solid rgba(34,197,94,.25);
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 800;
  letter-spacing: .02em;
}
.topic-block ul { margin: 0 0 0 18px; font-size: .92rem; color: var(--text2); line-height: 1.85; }

/* ── Tip Cards ────────────────────────────────────────────── */
.tip-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg2);
  margin-bottom: 14px;
}
.tip-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--surface2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}
.tip-card h4 { font-size: .95rem; font-weight: 800; color: var(--text); margin-bottom: 4px; }
.tip-card p  { font-size: .88rem; color: var(--text3); line-height: 1.7; margin: 0; }

/* ── Do's and Don'ts ──────────────────────────────────────── */
.dos-donts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin: 20px 0;
}

.dos-box,
.donts-box {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg2);
}
.dos-box .head  { background: rgba(34,197,94,.12); color: var(--green); border-bottom: 1px solid rgba(34,197,94,.25); padding: 12px 18px; font-weight: 800; font-size: .9rem; }
.donts-box .head { background: rgba(239,68,68,.12); color: var(--red); border-bottom: 1px solid rgba(239,68,68,.25); padding: 12px 18px; font-weight: 800; font-size: .9rem; }
.dos-box ul, .donts-box ul { margin: 12px 0 14px 20px; padding: 0 10px; font-size: .88rem; line-height: 1.85; }
.dos-box ul   { color: #86efac; }
.donts-box ul { color: #fca5a5; }

/* ── Document / Resource Grids ────────────────────────────── */
.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin: 18px 0;
}
.doc-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  background: var(--bg2);
  border: 1px solid var(--border);
  font-size: .9rem;
  font-weight: 600;
  color: var(--text);
  transition: transform .15s, border-color .15s;
}
.doc-item:hover { transform: translateY(-2px); border-color: var(--green); }
.doc-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  background: rgba(34,197,94,.1);
  color: var(--green);
}

/* ── Detail Grid ──────────────────────────────────────────── */
.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin: 18px 0;
}

.detail-item {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  background: var(--bg2);
  border: 1px solid var(--border);
}
.detail-item .di-label {
  color: var(--text4);
  font-size: .75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 4px;
}
.detail-item .di-val {
  color: var(--text);
  font-weight: 800;
  font-size: .95rem;
}

/* ── Error Log (monospace block) ──────────────────────────── */
.error-log {
  font-family: var(--mono);
  font-size: .85rem;
  background: #04060c;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--border2);
  white-space: pre-wrap;
  word-break: break-all;
  line-height: 1.75;
  color: #38bdf8;
  overflow-x: auto;
  max-width: 100%;
}

/* ── Timeline ─────────────────────────────────────────────── */
.timeline {
  border-left: 2px solid var(--border);
  padding-left: 20px;
  margin-left: 8px;
}
.timeline > * { position: relative; }
.timeline > *::before {
  content: '';
  position: absolute;
  left: -27px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--green);
  border: 2px solid var(--bg);
  box-shadow: 0 0 8px var(--green-glow);
}

/* ── Troubleshoot Accordion ───────────────────────────────── */
.trouble-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--bg2);
}
.trouble-item summary {
  padding: 14px 20px;
  font-family: var(--sans);
  font-weight: 800;
  font-size: .95rem;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg2);
  user-select: none;
  transition: background .15s;
}
.trouble-item summary:hover { background: var(--surface2); }
.trouble-item summary::-webkit-details-marker { display: none; }
.trouble-item summary::after {
  content: '+';
  font-size: 1.3rem;
  color: var(--green);
  font-weight: 400;
  transition: transform .2s;
}
.trouble-item[open] summary::after {
  content: '−';
  transform: rotate(0deg);
}
.trouble-body {
  padding: 16px 20px;
  font-size: .92rem;
  color: var(--text2);
  background: var(--bg3);
  line-height: 1.8;
  border-top: 1px solid var(--border);
}

/* ── Alert & Breaking Banners ─────────────────────────────── */
.alert-banner {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: rgba(239,68,68,.08);
  border: 1px solid rgba(239,68,68,.3);
  padding: 16px 20px;
  border-radius: var(--radius);
  margin-bottom: 24px;
  overflow-wrap: break-word;
}
.alert-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #ef4444;
  flex-shrink: 0;
  margin-top: 5px;
  animation: pulse-red 1.6s ease-in-out infinite;
}
.alert-text {
  font-weight: 700;
  font-size: .93rem;
  color: #fca5a5;
  line-height: 1.6;
}

.breaking-banner {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: linear-gradient(135deg, rgba(127,29,29,.5), rgba(69,10,10,.5));
  border: 1px solid rgba(239,68,68,.35);
  border-radius: var(--radius-lg);
  padding: 18px 22px;
  margin-bottom: 26px;
  box-shadow: 0 4px 24px rgba(220,38,38,.2);
  overflow-wrap: break-word;
}
.breaking-dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: #ef4444;
  flex-shrink: 0;
  margin-top: 5px;
  animation: pulse-red 1.4s ease-in-out infinite;
}
.breaking-text {
  font-size: .95rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.6;
}
.breaking-text strong { color: #fff; font-weight: 800; }
.breaking-text span   { color: #fca5a5; }

@keyframes pulse-red {
  0%   { box-shadow: 0 0 0 0 rgba(239,68,68,.7); }
  70%  { box-shadow: 0 0 0 8px rgba(239,68,68,0); }
  100% { box-shadow: 0 0 0 0 rgba(239,68,68,0); }
}

/* ── Buttons ──────────────────────────────────────────────── */
.highlight-btn,
.cta-btn,
.neet-download-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--green);
  color: var(--green-dk) !important;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-family: var(--sans);
  font-size: .92rem;
  font-weight: 800;
  text-decoration: none !important;
  border: none !important;
  box-shadow: 0 4px 18px var(--green-glow);
  transition: transform .15s, filter .15s;
  margin: 8px 6px 8px 0;
  cursor: pointer;
  white-space: normal;
  text-align: center;
}

.highlight-btn:hover,
.cta-btn:hover,
.neet-download-btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
  opacity: 1 !important;
}

/* ── Reading progress bar ─────────────────────────────────── */
.read-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green), var(--blue));
  z-index: 9999;
  transition: width .1s linear;
  width: 0%;
}

/* ── Comprehensive Responsive Breakpoints ──────────────────── */
@media (max-width: 768px) {
  .a-hero { padding: 48px 18px 0; }
  .a-layout { padding: 36px 18px 60px; }
  .data-table, table { font-size: .84rem; }
  .data-table thead th, table th,
  .data-table td, table td { padding: 9px 12px; }
  .day-num { min-width: 65px; padding: 12px 8px; }
  .day-body { padding: 12px 14px; }
  .info-box { padding: 14px 16px; }
  .card { padding: 16px 18px; }
}

@media (max-width: 480px) {
  .a-hero { padding: 36px 14px 0; }
  .a-hero h1 { font-size: 1.55rem; }
  .a-meta { gap: 10px; font-size: 11.5px; }
  .a-layout { padding: 24px 14px 48px; }
  article h1, .blog-content h1 { font-size: 1.4rem; line-height: 1.25; }
  article h2, .blog-content h2 { font-size: 1.18rem; margin: 30px 0 12px; }
  article h3, .blog-content h3 { font-size: 1.02rem; }
  article p, .blog-content p { font-size: .94rem; line-height: 1.75; }
  article ul, article ol, .blog-content ul, .blog-content ol { padding-left: 18px; }
  .day-plan-item { flex-direction: column; }
  .day-num { min-width: 100%; flex-direction: row; gap: 8px; padding: 10px 14px; justify-content: flex-start; border-right: none; border-bottom: 1px solid var(--border); }
  .day-num span { margin-bottom: 0; font-size: 1.15rem; }
  .highlight-btn, .neet-download-btn, .cta-btn { width: 100%; margin: 6px 0; }
  .step-card { flex-direction: column; gap: 10px; }
  .tip-card { flex-direction: column; gap: 10px; }
  .tip-icon { width: 36px; height: 36px; font-size: 1.1rem; }
  .author-bio-card { flex-direction: column; align-items: center; text-align: center; padding: 18px 16px !important; }
  .author-bio-card img { margin: 0 auto; }
  .blog-cta-banner { flex-direction: column; text-align: center; padding: 22px 16px !important; }
  .blog-cta-banner a { width: 100%; justify-content: center; }
  .breaking-banner { flex-direction: column; gap: 8px; padding: 14px 16px; }
  .mcq-box { padding: 16px 14px; }
}