/* ---------- Guide page layout ---------- */
.guide {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 80px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.guide-nav {
  display: flex;
  gap: 8px;
  font-size: 14px;
  color: rgba(245,243,255,0.7);
  margin-bottom: 8px;
}
.guide-nav a {
  color: rgba(245,243,255,0.7);
  padding: 6px 10px;
  border-radius: 8px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  transition: background 0.2s ease;
}
.guide-nav a:hover { background: rgba(255,255,255,0.12); color: #fff; }
.guide-nav .sep { padding: 6px 0; }

/* ---------- Hero ---------- */
.hero {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, #1e3a8a 0%, #3730a3 40%, #6d28d9 100%);
  box-shadow: 0 16px 48px rgba(59,130,246,0.35),
              0 8px 24px rgba(139,92,246,0.25);
  border: 1px solid rgba(255,255,255,0.12);
}
.hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.guide-title {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 16px 0 4px;
  line-height: 1.15;
  background: linear-gradient(135deg, #fff 0%, #c7d2fe 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.guide-subtitle {
  margin: 0;
  font-size: 16px;
  color: rgba(245,243,255,0.78);
}
.guide-meta {
  margin: 0;
  font-size: 13px;
  color: rgba(245,243,255,0.55);
  display: flex;
  gap: 10px;
  align-items: center;
}
.guide-meta span:not(:first-child)::before {
  content: "·";
  margin-right: 10px;
  opacity: 0.6;
}

/* ---------- Prose ---------- */
.guide p {
  margin: 0;
  font-size: 16px;
  line-height: 1.65;
  color: rgba(245,243,255,0.88);
}
.guide h2 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 36px 0 8px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.guide h2 .step-num {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  color: #fff;
  flex-shrink: 0;
}
.guide h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 24px 0 6px;
  color: rgba(245,243,255,0.95);
}
.guide ul, .guide ol {
  margin: 4px 0;
  padding-left: 22px;
  color: rgba(245,243,255,0.88);
}
.guide li {
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 6px;
}
.guide strong { color: #fff; font-weight: 700; }
.guide a.inline {
  color: #93c5fd;
  text-decoration: underline;
  text-decoration-color: rgba(147,197,253,0.45);
  text-underline-offset: 3px;
}
.guide a.inline:hover { color: #c7d2fe; }
.guide hr {
  border: none;
  height: 1px;
  background: rgba(255,255,255,0.12);
  margin: 36px 0 8px;
}

/* ---------- Callouts ---------- */
.callout {
  display: flex;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  margin: 8px 0;
  font-size: 15px;
  line-height: 1.55;
}
.callout .ico { font-size: 18px; line-height: 1.4; flex-shrink: 0; }
.callout .body { flex: 1; color: rgba(245,243,255,0.9); }

.callout.tip {
  background: rgba(59,130,246,0.1);
  border-left: 3px solid #3b82f6;
}
.callout.warn {
  background: rgba(245,158,11,0.1);
  border-left: 3px solid #f59e0b;
}
.callout.shot {
  background: rgba(255,255,255,0.03);
  border: 2px dashed rgba(139,92,246,0.5);
  color: rgba(245,243,255,0.6);
  font-style: italic;
  font-size: 14px;
}
.callout.shot .ico { font-style: normal; }

/* ---------- Inline screenshots ---------- */
.shot-img {
  display: block;
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: 0 14px 36px rgba(0,0,0,0.35);
  margin: 8px 0;
}
figure.shot-fig { margin: 12px 0; }
figure.shot-fig figcaption {
  margin-top: 8px;
  font-size: 13px;
  color: rgba(245,243,255,0.6);
  text-align: center;
  font-style: italic;
}

/* ---------- Mock terminal ---------- */
.term {
  background: #0d0820;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  overflow: hidden;
  margin: 12px 0;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  line-height: 1.55;
}
.term .bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.term .bar .dot {
  width: 11px; height: 11px;
  border-radius: 50%;
  display: inline-block;
}
.term .bar .dot.r { background: #ff5f57; }
.term .bar .dot.y { background: #febc2e; }
.term .bar .dot.g { background: #28c840; }
.term .bar .title {
  margin-left: 12px;
  color: rgba(245,243,255,0.55);
  font-size: 12px;
}
.term .body { padding: 14px 16px; color: #e0e7ff; }
.term .body .prompt { color: #93c5fd; user-select: none; }
.term .body .user { color: #fff; }
.term .body .out { color: rgba(245,243,255,0.85); }
.term .body .dim { color: rgba(245,243,255,0.55); }
.term .body .ok { color: #86efac; }
.term .body .accent { color: #c4b5fd; }
.term .body .cursor::after {
  content: "▍";
  color: #c4b5fd;
  margin-left: 2px;
  animation: blink 1s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.term .body pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}
.term .footer {
  padding: 8px 14px;
  background: rgba(139,92,246,0.18);
  border-top: 1px solid rgba(139,92,246,0.4);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #c4b5fd;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.term .footer .right { color: rgba(245,243,255,0.45); font-weight: 500; letter-spacing: 0.05em; text-transform: none; }

/* ---------- Code blocks ---------- */
.code {
  position: relative;
  background: #0d0820;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  margin: 8px 0;
  overflow: hidden;
}
.code pre {
  margin: 0;
  padding: 44px 18px 16px 18px;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 13.5px;
  line-height: 1.55;
  color: #e0e7ff;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}
.code .copy {
  position: absolute;
  top: 8px; right: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(245,243,255,0.85);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 6px 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
}
.code .copy:hover { background: rgba(255,255,255,0.16); }
.code .copy:active { transform: scale(0.97); }
.code .copy.copied {
  background: rgba(74,222,128,0.2);
  border-color: rgba(74,222,128,0.5);
  color: #bbf7d0;
}

code.inline {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9em;
  padding: 2px 7px;
  border-radius: 6px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.08);
  color: #e0e7ff;
}

/* ---------- OS tabs ---------- */
.os-tabs {
  margin: 12px 0 4px;
}
.os-tabs .tabs {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border-radius: 12px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
}
.os-tabs .tab {
  padding: 8px 16px;
  border-radius: 9px;
  background: transparent;
  border: none;
  color: rgba(245,243,255,0.7);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.os-tabs .tab:hover { color: #fff; }
.os-tabs .tab.active {
  background: linear-gradient(135deg, #3b82f6, #6366f1);
  color: #fff;
  box-shadow: 0 4px 12px rgba(59,130,246,0.4);
}
.os-content { display: none; }
.os-content.active { display: block; }

/* ---------- Next-step CTAs ---------- */
.ctas {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px 18px;
  border-radius: 14px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.07);
  transition: transform 0.15s ease, background 0.2s ease;
}
.cta:hover { transform: translateY(-2px); background: rgba(255,255,255,0.12); }
.cta.primary {
  background: linear-gradient(135deg, #2563eb 0%, #4f46e5 60%, #8b5cf6 100%);
  border-color: transparent;
  box-shadow: 0 10px 30px rgba(59,130,246,0.4);
}
.cta.primary:hover {
  background: linear-gradient(135deg, #3b82f6 0%, #6366f1 60%, #a78bfa 100%);
}

/* ---------- Guide figures ---------- */
.guide-figure {
  margin: 12px 0;
}
.guide-figure img {
  display: block;
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: 0 14px 36px rgba(0,0,0,0.35);
}
.guide-figure figcaption {
  margin-top: 8px;
  font-size: 13px;
  color: rgba(245,243,255,0.6);
  text-align: center;
  font-style: italic;
}

/* ---------- Video embed ---------- */
.video-wrap {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 14px 36px rgba(0,0,0,0.4);
  margin: 8px 0;
}
.video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ---------- Guide table ---------- */
.guide-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  color: rgba(245,243,255,0.88);
  margin: 8px 0;
}
.guide-table th {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: rgba(245,243,255,0.55);
}
.guide-table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  vertical-align: top;
  line-height: 1.5;
}
.guide-table tr:last-child td { border-bottom: none; }
.guide-table tr:hover td { background: rgba(255,255,255,0.03); }

/* ---------- Desktop tuning ---------- */
@media (min-width: 720px) {
  .guide { padding-top: 56px; }
  .guide-title { font-size: 42px; }
  .guide h2 { font-size: 26px; margin-top: 44px; }
  .ctas { flex-direction: row; }
}

/* ---------- Print: clean PDF output ---------- */
@media print {
  body, html { background: #fff !important; color: #111 !important; }
  .mesh { display: none !important; }
  .guide { max-width: 100%; padding: 0; }
  .guide p, .guide li, .callout .body { color: #1f2937 !important; }
  .guide h2, .guide h3 { color: #111 !important; }
  .guide h2 .step-num {
    background: #1e3a8a !important; -webkit-print-color-adjust: exact;
    print-color-adjust: exact; color: #fff !important;
  }
  .guide-title {
    background: none !important; -webkit-text-fill-color: #111 !important;
    color: #111 !important;
  }
  .guide-subtitle, .guide-meta { color: #4b5563 !important; }
  .callout { background: #f3f4f6 !important; border-color: #d1d5db !important; color: #1f2937 !important; }
  .callout.tip { background: #dbeafe !important; border-left: 3px solid #1e40af !important; }
  .callout.warn { background: #fef3c7 !important; border-left: 3px solid #d97706 !important; }
  .callout.shot { display: none; }
  .code { background: #f3f4f6 !important; border: 1px solid #d1d5db !important; }
  .code pre { color: #111 !important; }
  .code .copy { display: none; }
  code.inline { background: #f3f4f6 !important; color: #1f2937 !important; border: 1px solid #d1d5db !important; }
  .hero { box-shadow: none !important; }
  .ctas, .guide-nav { display: none !important; }
  .os-tabs .tab:not(.active) { display: none; }
  .os-tabs .tabs { background: none; border: none; padding: 0; }
  .os-tabs .tab.active { background: none !important; color: #111 !important; padding: 0 0 4px 0; box-shadow: none; }
  a.inline { color: #1e40af !important; }
}