/* ============================================================
   大鼎 AI Prompt 寶典 · 科技感主題
   配色：深空藍黑 + 霓虹青／檸檬綠／品紅 + 等寬字體
   ============================================================ */

:root {
  --bg-0: #05070d;
  --bg-1: #0a0e1a;
  --bg-2: #0f1424;
  --bg-3: #161d31;
  --line: rgba(124, 255, 203, 0.08);
  --line-strong: rgba(124, 255, 203, 0.22);
  --text-0: #e6edf6;
  --text-1: #aab4c4;
  --text-2: #6b7588;
  --accent: #7CFFCB;        /* mint neon */
  --accent-2: #60A5FA;      /* cyan */
  --accent-3: #FFD93D;      /* amber */
  --accent-4: #FF6B9D;      /* magenta */
  --accent-5: #A78BFA;      /* violet */
  --danger: #ff6b6b;
  --mono: 'JetBrains Mono', 'IBM Plex Mono', 'Menlo', 'Monaco', monospace;
  --sans: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --shadow-1: 0 4px 24px rgba(0,0,0,0.45);
  --shadow-glow: 0 0 24px rgba(124,255,203,0.18);
  --radius: 14px;
  --radius-sm: 8px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg-0);
  color: var(--text-0);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

::selection { background: var(--accent); color: var(--bg-0); }

/* ============================================================
   Background layers
   ============================================================ */
.bg-grid {
  position: fixed; inset: 0; z-index: -4;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 0%, transparent 70%);
  pointer-events: none;
}

.bg-noise {
  position: fixed; inset: 0; z-index: -3;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.4  0 0 0 0 1  0 0 0 0 0.8  0 0 0 0.05 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  opacity: 0.5;
  pointer-events: none;
}

.bg-scanline {
  position: fixed; inset: 0; z-index: -2;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 2px,
    rgba(255,255,255,0.012) 2px,
    rgba(255,255,255,0.012) 3px
  );
  pointer-events: none;
}

.bg-glow {
  position: fixed; z-index: -1; pointer-events: none;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.5;
}
.bg-glow-1 {
  width: 600px; height: 600px;
  top: -200px; left: -100px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 60%);
  opacity: 0.18;
  animation: float-1 18s ease-in-out infinite;
}
.bg-glow-2 {
  width: 700px; height: 700px;
  top: 30%; right: -200px;
  background: radial-gradient(circle, var(--accent-2) 0%, transparent 60%);
  opacity: 0.14;
  animation: float-2 22s ease-in-out infinite;
}

@keyframes float-1 {
  0%, 100% { transform: translate(0,0); }
  50% { transform: translate(50px, 80px); }
}
@keyframes float-2 {
  0%, 100% { transform: translate(0,0); }
  50% { transform: translate(-80px, 50px); }
}

/* ============================================================
   Top nav
   ============================================================ */
.topnav {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  background: rgba(5,7,13,0.72);
  border-bottom: 1px solid var(--line);
}

.topnav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.brand {
  font-family: var(--mono);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--text-0);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 2px;
}
.brand-bracket { color: var(--accent); opacity: 0.6; }
.brand-name { color: var(--text-0); padding: 0 4px; }
.brand-cursor {
  display: inline-block;
  width: 8px; height: 18px;
  background: var(--accent);
  margin-left: 4px;
  animation: blink 1.1s steps(2) infinite;
  box-shadow: 0 0 8px var(--accent);
}
@keyframes blink { 0%, 50% { opacity: 1; } 51%, 100% { opacity: 0; } }

.topnav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-family: var(--mono);
  font-size: 13px;
}
.topnav-links a {
  color: var(--text-1);
  text-decoration: none;
  transition: color 0.15s;
  position: relative;
}
.topnav-links a:hover { color: var(--accent); }
.topnav-links a.external { color: var(--accent-2); }

@media (max-width: 720px) {
  .topnav-links { display: none; }
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 24px 64px;
  position: relative;
}

.hero-shell {
  position: relative;
  padding: 48px 0;
}

.terminal-line {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-2);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.prompt-sigil { color: var(--accent); font-weight: 700; }
.terminal-text { color: var(--text-1); }
.terminal-blink {
  color: var(--accent);
  animation: blink 1.1s steps(2) infinite;
}

.hero-title {
  font-family: var(--sans);
  font-weight: 900;
  font-size: clamp(48px, 9vw, 120px);
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin-bottom: 32px;
}
.hero-line-1 {
  display: block;
  background: linear-gradient(135deg, var(--text-0) 30%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-line-2 {
  display: block;
  color: var(--text-0);
  position: relative;
}
.hero-line-2::after {
  content: '_';
  color: var(--accent);
  animation: blink 1.1s steps(2) infinite;
}

.hero-sub {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--accent);
  background: rgba(124,255,203,0.04);
  letter-spacing: 0.02em;
}
.chip-mono::before { content: '> '; opacity: 0.6; }

.hero-blurb {
  max-width: 780px;
  color: var(--text-1);
  font-size: 17px;
  line-height: 1.85;
  margin-bottom: 36px;
}
.hero-blurb strong { color: var(--accent); font-weight: 500; }
.hero-blurb em { color: var(--accent-2); font-style: normal; font-weight: 500; }

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 56px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
  cursor: pointer;
  border: 1px solid transparent;
  letter-spacing: 0.02em;
}
.btn-primary {
  background: var(--accent);
  color: var(--bg-0);
  box-shadow: 0 0 0 0 var(--accent);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(124,255,203,0.4);
}
.btn-ghost {
  background: transparent;
  color: var(--text-0);
  border-color: var(--line-strong);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn-arrow { transition: transform 0.2s; }
.btn-primary:hover .btn-arrow { transform: translateX(4px); }

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  padding-top: 32px;
  border-top: 1px dashed var(--line-strong);
}
.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--mono);
}
.meta-label { color: var(--text-2); font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; }
.meta-value { color: var(--text-0); font-size: 13.5px; }

/* ============================================================
   How-to 3-card
   ============================================================ */
.howto {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}
.howto-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.howto-card {
  position: relative;
  padding: 28px 24px;
  background: linear-gradient(180deg, rgba(15,20,36,0.6) 0%, rgba(10,14,26,0.6) 100%);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  transition: border-color 0.2s, transform 0.2s;
}
.howto-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.howto-num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 12px;
  letter-spacing: 0.1em;
}
.howto-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-0);
}
.howto-card p {
  color: var(--text-1);
  font-size: 14.5px;
  line-height: 1.7;
}
.howto-card code {
  font-family: var(--mono);
  font-size: 12.5px;
  background: rgba(124,255,203,0.1);
  color: var(--accent);
  padding: 1px 6px;
  border-radius: 4px;
}

/* ============================================================
   Section heads
   ============================================================ */
.section-head {
  max-width: 880px;
  margin: 0 auto 40px;
  padding: 0 24px;
  text-align: center;
}
.section-num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 12px;
  letter-spacing: 0.1em;
}
.section-title {
  font-size: clamp(28px, 4.5vw, 44px);
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  color: var(--text-0);
  line-height: 1.15;
}
.section-sub {
  color: var(--text-1);
  font-size: 16px;
  line-height: 1.7;
  max-width: 640px;
  margin: 0 auto;
}

/* ============================================================
   Prompts section
   ============================================================ */
.prompts-section {
  padding: 72px 0;
  position: relative;
}

.prompts-toolbar {
  max-width: 1280px;
  margin: 0 auto 32px;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  flex: 1;
}
.toolbar-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}
.toolbar-btn {
  background: rgba(124,255,203,0.06) !important;
  border-color: var(--accent) !important;
  color: var(--accent) !important;
  font-size: 12px !important;
  text-decoration: none;
}
.toolbar-btn:hover {
  background: var(--accent) !important;
  color: var(--bg-0) !important;
}
@media (max-width: 720px) {
  .prompts-toolbar { flex-direction: column; align-items: stretch; }
  .filter-bar { justify-content: center; }
  .toolbar-actions { justify-content: center; }
}

.filter-btn {
  font-family: var(--mono);
  font-size: 13px;
  padding: 8px 18px;
  border: 1px solid var(--line-strong);
  background: rgba(15,20,36,0.6);
  color: var(--text-1);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s;
  letter-spacing: 0.02em;
}
.filter-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.filter-btn.active {
  background: var(--accent);
  color: var(--bg-0);
  border-color: var(--accent);
  font-weight: 700;
}

.prompts-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.prompt-card {
  position: relative;
  padding: 22px 22px 24px;
  background: linear-gradient(180deg, rgba(15,20,36,0.7) 0%, rgba(10,14,26,0.5) 100%);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  overflow: hidden;
}
.prompt-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(135deg, transparent, var(--card-accent, var(--accent)) 50%, transparent);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}
.prompt-card:hover {
  transform: translateY(-3px);
  border-color: transparent;
}
.prompt-card:hover::before {
  opacity: 1;
}
.prompt-card:hover .card-arrow { transform: translateX(4px); color: var(--card-accent); }

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.card-cat {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--card-accent, var(--accent));
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 10px;
  border: 1px solid var(--card-accent, var(--accent));
  border-radius: 999px;
  opacity: 0.85;
  background: rgba(0,0,0,0.2);
}
.card-num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-2);
}

.card-icon {
  font-size: 32px;
  line-height: 1;
  margin-bottom: 14px;
  display: inline-block;
}
.card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-0);
  margin-bottom: 6px;
  line-height: 1.35;
}
.card-blurb {
  font-size: 14px;
  color: var(--text-1);
  line-height: 1.65;
  margin-bottom: 18px;
  min-height: 46px;
}

.card-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--text-2);
  padding-top: 14px;
  border-top: 1px dashed var(--line-strong);
}
.card-foot .card-action {
  color: var(--card-accent, var(--accent));
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card-arrow {
  transition: transform 0.2s, color 0.2s;
}

/* ============================================================
   Skeleton section
   ============================================================ */
.skeleton-section {
  padding: 72px 0;
  background: linear-gradient(180deg, transparent, rgba(15,20,36,0.4) 50%, transparent);
}

.skeleton-grid {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 28px;
}
@media (max-width: 860px) {
  .skeleton-grid { grid-template-columns: 1fr; }
}

.skel-h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--text-0);
  letter-spacing: -0.01em;
}

.skeleton-layers,
.skeleton-iron {
  padding: 28px;
  background: rgba(10,14,26,0.6);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
}

.skeleton-list {
  list-style: none;
  counter-reset: skel;
}
.skeleton-list li {
  counter-increment: skel;
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
  align-items: start;
}
.skeleton-list li:last-child { border-bottom: 0; }
.skeleton-list li::before {
  content: counter(skel, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  font-weight: 700;
}
.skel-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--accent-2);
  background: rgba(96,165,250,0.1);
  border: 1px solid rgba(96,165,250,0.3);
  padding: 1px 8px;
  border-radius: 4px;
  margin-right: 8px;
  letter-spacing: 0.05em;
}
.skel-rule {
  color: var(--text-1);
  font-size: 14.5px;
  line-height: 1.6;
}

.skeleton-iron { border-color: rgba(255,217,61,0.3); }
.iron-list {
  list-style: none;
}
.iron-list li {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
}
.iron-list li:last-child { border-bottom: 0; }
.iron-num {
  flex-shrink: 0;
  width: 32px; height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 800;
  color: var(--bg-0);
  background: var(--accent-3);
  border-radius: 8px;
}
.iron-rule {
  color: var(--text-0);
  font-size: 14.5px;
  line-height: 1.65;
}
.iron-rule strong {
  color: var(--accent-3);
  font-weight: 700;
}

/* ============================================================
   Pitfalls
   ============================================================ */
.pitfalls-section {
  padding: 72px 0;
}
.pitfalls-grid {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}
.pitfall-card {
  padding: 20px 22px;
  background: rgba(15,20,36,0.6);
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--danger);
  border-radius: var(--radius-sm);
  transition: transform 0.2s, border-color 0.2s;
}
.pitfall-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  border-left-color: var(--danger);
}
.pitfall-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-0);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.pitfall-title::before {
  content: '⚠';
  color: var(--danger);
  font-size: 14px;
}
.pitfall-fix {
  font-size: 13.5px;
  color: var(--text-1);
  line-height: 1.6;
}
.pitfall-fix::before {
  content: '→ ';
  color: var(--accent);
  font-weight: 700;
}

/* ============================================================
   Gem section
   ============================================================ */
.gem-section {
  padding: 72px 0;
  background: linear-gradient(180deg, transparent, rgba(167,139,250,0.04) 50%, transparent);
}
.gem-steps {
  max-width: 1180px;
  margin: 0 auto 40px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}
.gem-step {
  padding: 22px;
  background: rgba(10,14,26,0.6);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  position: relative;
}
.gem-step:hover { border-color: var(--accent-5); }
.gem-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  background: var(--accent-5);
  color: var(--bg-0);
  font-family: var(--mono);
  font-weight: 800;
  font-size: 15px;
  border-radius: 8px;
  margin-bottom: 14px;
}
.gem-step-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-0);
}
.gem-step-detail {
  font-size: 13.5px;
  color: var(--text-1);
  line-height: 1.6;
}
.gem-step-detail code {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  background: rgba(124,255,203,0.08);
  padding: 1px 5px;
  border-radius: 3px;
}

.gem-tips {
  max-width: 880px;
  margin: 0 auto;
  padding: 28px;
  background: rgba(167,139,250,0.06);
  border: 1px solid rgba(167,139,250,0.3);
  border-radius: var(--radius);
}
.gem-tips ul {
  list-style: none;
}
.gem-tips li {
  padding: 8px 0 8px 26px;
  position: relative;
  color: var(--text-1);
  font-size: 14.5px;
  line-height: 1.7;
}
.gem-tips li::before {
  content: '◆';
  position: absolute;
  left: 0;
  color: var(--accent-5);
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  margin-top: 64px;
  padding: 48px 24px 32px;
  border-top: 1px solid var(--line-strong);
  background: rgba(5,7,13,0.6);
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
  align-items: start;
}
@media (max-width: 720px) {
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
}
.footer-logo {
  font-family: var(--mono);
  font-weight: 800;
  font-size: 18px;
  color: var(--accent);
  margin-bottom: 6px;
}
.footer-tag {
  font-size: 13px;
  color: var(--text-2);
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-family: var(--mono);
  font-size: 13px;
}
.footer-links a {
  color: var(--text-1);
  text-decoration: none;
  transition: color 0.15s;
}
.footer-links a:hover { color: var(--accent); }
.footer-meta {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-2);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* ============================================================
   Modal
   ============================================================ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.18s ease-out;
}
.modal-backdrop.open { display: flex; }

.modal {
  width: 100%;
  max-width: 860px;
  max-height: 90vh;
  background: linear-gradient(180deg, rgba(15,20,36,0.98), rgba(10,14,26,0.98));
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: 0 24px 80px rgba(0,0,0,0.6), 0 0 60px rgba(124,255,203,0.1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: slideUp 0.22s ease-out;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(24px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.modal-titlewrap {
  display: flex;
  gap: 16px;
  align-items: center;
  min-width: 0;
  flex: 1;
}
.modal-icon { font-size: 36px; line-height: 1; }
.modal-cat {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}
.modal-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-0);
  letter-spacing: -0.02em;
}

.modal-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.btn-icon {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-family: var(--mono);
  font-size: 12.5px;
  background: rgba(124,255,203,0.08);
  color: var(--accent);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s;
}
.btn-icon:hover {
  background: var(--accent);
  color: var(--bg-0);
  border-color: var(--accent);
}
.btn-icon.copied {
  background: var(--accent);
  color: var(--bg-0);
}
.btn-close {
  background: rgba(255,107,107,0.08);
  color: var(--danger);
  border-color: rgba(255,107,107,0.3);
  width: 36px;
  padding: 8px;
  justify-content: center;
}
.btn-close:hover {
  background: var(--danger);
  color: var(--bg-0);
  border-color: var(--danger);
}

.modal-body {
  padding: 0;
  overflow-y: auto;
  flex: 1;
}

.prompt-code {
  margin: 0;
  padding: 24px;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-0);
  white-space: pre-wrap;
  word-break: break-word;
  background: rgba(5,7,13,0.5);
}

.modal-foot {
  padding: 14px 24px;
  border-top: 1px solid var(--line);
  background: rgba(5,7,13,0.4);
}
.modal-tip {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--text-2);
}
.modal-tip code {
  color: var(--accent);
  background: rgba(124,255,203,0.08);
  padding: 1px 5px;
  border-radius: 3px;
}

/* ============================================================
   Mobile
   ============================================================ */
@media (max-width: 720px) {
  .hero { padding: 48px 20px 40px; }
  .hero-shell { padding: 24px 0; }
  .hero-blurb { font-size: 15.5px; }
  .hero-meta { gap: 20px; }
  .prompts-grid { grid-template-columns: 1fr; }
  .gem-steps { grid-template-columns: 1fr; }
  .pitfalls-grid { grid-template-columns: 1fr; }
  .modal-head { padding: 16px; }
  .modal-titlewrap { gap: 12px; }
  .modal-icon { font-size: 28px; }
  .modal-title { font-size: 18px; }
  .prompt-code { padding: 18px; font-size: 13px; }
  .btn-icon span:not([id]) { display: none; }
}