:root {
  --bg: #0c0a14;
  --bg2: #13111f;
  --purple: #a855f7;
  --purple-deep: #7c3aed;
  --teal: #2dd4bf;
  --teal-deep: #14b8a6;
  --ink: #e9e6f5;
  --muted: #8b84a3;
  --line: rgba(168,85,247,0.14);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Bricolage Grotesque', sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

code, pre, .mono { font-family: 'JetBrains Mono', monospace; }

.app-root { position: relative; min-height: 100vh; }

/* backgrounds */
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(168,85,247,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45,212,191,0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at 50% 0%, black 40%, transparent 85%);
}
.bg-glow {
  position: fixed; top: -20%; left: 50%; transform: translateX(-50%);
  width: 900px; height: 700px; z-index: 0; pointer-events: none;
  background: radial-gradient(circle, rgba(124,58,237,0.35), transparent 60%),
              radial-gradient(circle at 70% 40%, rgba(20,184,166,0.22), transparent 55%);
  filter: blur(50px);
}

/* nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px clamp(16px, 4vw, 48px);
  background: rgba(12,10,20,0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-prompt {
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  color: var(--teal); background: rgba(45,212,191,0.08);
  padding: 4px 8px; border-radius: 6px; white-space: nowrap;
}
.brand-name {
  font-weight: 800; font-size: 20px; letter-spacing: -0.02em;
  background: linear-gradient(90deg, var(--purple), var(--teal));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.nav-right { display: flex; align-items: center; gap: 16px; }
.nav-rank { text-align: right; line-height: 1.1; }
.nav-rank-label { display: block; font-family: 'JetBrains Mono', monospace; font-size: 9px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.15em; }
.nav-rank-val { font-weight: 700; font-size: 13px; color: var(--ink); }
@media (max-width: 520px) { .nav-rank { display: none; } }
.ring {
  width: 46px; height: 46px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.5s ease;
}
.ring-inner {
  width: 36px; height: 36px; border-radius: 50%; background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  font-family: 'JetBrains Mono', monospace; font-size: 11px; font-weight: 700; color: var(--teal);
}

/* hero */
.hero {
  position: relative; z-index: 1;
  text-align: center; padding: clamp(48px, 9vw, 96px) 20px 40px;
  max-width: 760px; margin: 0 auto;
  animation: fadeUp 0.8s ease both;
}
.hero-badge {
  display: inline-block; font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--teal); border: 1px solid rgba(45,212,191,0.3);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 24px;
}
.hero-title {
  font-size: clamp(52px, 13vw, 120px); font-weight: 800; line-height: 0.9;
  letter-spacing: -0.04em; margin: 0 0 20px;
  background: linear-gradient(120deg, #f0abfc, var(--purple) 35%, var(--teal) 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-tagline { font-size: clamp(20px, 4vw, 28px); font-weight: 700; margin: 0 0 12px; color: var(--ink); }
.hero-sub { color: var(--muted); font-size: 16px; max-width: 480px; margin: 0 auto 32px; line-height: 1.6; }
.inline-code {
  font-family: 'JetBrains Mono', monospace; font-size: 0.85em;
  background: rgba(45,212,191,0.12); color: var(--teal);
  padding: 2px 7px; border-radius: 5px;
}
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.cta-primary {
  font-family: 'JetBrains Mono', monospace; font-weight: 700; font-size: 15px;
  color: #0c0a14; border: none; cursor: pointer;
  padding: 14px 28px; border-radius: 12px;
  background: linear-gradient(120deg, var(--purple), var(--teal));
  box-shadow: 0 8px 30px rgba(124,58,237,0.4);
  transition: transform 0.2s, box-shadow 0.2s;
}
.cta-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(45,212,191,0.45); }
.cta-ghost {
  font-family: 'JetBrains Mono', monospace; font-weight: 500; font-size: 15px;
  color: var(--ink); cursor: pointer;
  padding: 14px 24px; border-radius: 12px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--line);
  transition: background 0.2s, border-color 0.2s;
}
.cta-ghost:hover { background: rgba(168,85,247,0.1); border-color: var(--purple); }
.tip-pop {
  position: relative; margin: 24px auto 0; max-width: 520px;
  font-family: 'JetBrains Mono', monospace; font-size: 13px; line-height: 1.6;
  color: var(--ink); text-align: left;
  background: rgba(168,85,247,0.08); border: 1px solid var(--line);
  border-left: 3px solid var(--purple);
  padding: 14px 40px 14px 16px; border-radius: 10px;
  animation: fadeUp 0.4s ease both;
}
.tip-mark { color: var(--teal); }
.tip-close { position: absolute; top: 8px; right: 10px; background: none; border: none; color: var(--muted); font-size: 18px; cursor: pointer; }

/* panel */
.panel {
  position: relative; z-index: 1;
  max-width: 780px; margin: 0 auto 20px; padding: 24px;
  background: rgba(19,17,31,0.7); border: 1px solid var(--line);
  border-radius: 18px; backdrop-filter: blur(8px);
  animation: fadeUp 0.8s 0.1s ease both;
}
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.panel-title { font-family: 'JetBrains Mono', monospace; font-size: 12px; text-transform: uppercase; letter-spacing: 0.18em; color: var(--muted); }
.reset-btn {
  font-family: 'JetBrains Mono', monospace; font-size: 11px; cursor: pointer;
  color: #f87171; background: rgba(248,113,113,0.08);
  border: 1px solid rgba(248,113,113,0.25); padding: 6px 12px; border-radius: 8px;
  transition: background 0.2s;
}
.reset-btn:hover { background: rgba(248,113,113,0.18); }
.progress-track {
  height: 22px; background: rgba(255,255,255,0.05); border-radius: 999px;
  overflow: hidden; border: 1px solid var(--line); margin-bottom: 20px;
}
.progress-fill {
  height: 100%; border-radius: 999px;
  background: linear-gradient(90deg, var(--purple-deep), var(--teal));
  display: flex; align-items: center; justify-content: flex-end;
  transition: width 0.6s cubic-bezier(.2,.8,.2,1);
  box-shadow: 0 0 18px rgba(45,212,191,0.5);
}
.progress-label { font-family: 'JetBrains Mono', monospace; font-size: 11px; font-weight: 700; color: #0c0a14; padding-right: 10px; }
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.stat { text-align: center; background: rgba(255,255,255,0.03); padding: 14px 8px; border-radius: 12px; border: 1px solid var(--line); }
.stat-num { font-family: 'JetBrains Mono', monospace; font-size: 30px; font-weight: 700; line-height: 1; }
.stat-num.teal { color: var(--teal); }
.stat-num.purple { color: var(--purple); }
.stat-num.rank-num { font-size: 14px; font-weight: 700; color: #f0abfc; }
.stat-lbl { font-family: 'JetBrains Mono', monospace; font-size: 10px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-top: 8px; }
.victory {
  margin-top: 18px; text-align: center; font-weight: 700;
  padding: 14px; border-radius: 12px;
  background: linear-gradient(120deg, rgba(168,85,247,0.15), rgba(45,212,191,0.15));
  border: 1px solid rgba(45,212,191,0.3); color: var(--teal);
}

/* roadmap */
.roadmap { position: relative; z-index: 1; max-width: 780px; margin: 0 auto; padding: 20px 16px 40px; }
.roadmap-anchor { position: relative; top: -80px; }
.roadmap-heading {
  font-family: 'JetBrains Mono', monospace; font-size: 15px; color: var(--muted);
  margin: 20px 0 24px; padding-left: 6px;
}
.rh-hash { color: var(--teal); }

.step-wrap { display: flex; gap: 16px; }
.node-col { display: flex; flex-direction: column; align-items: center; }
.node {
  width: 46px; height: 46px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: 'JetBrains Mono', monospace; font-weight: 700; font-size: 16px;
  cursor: pointer; transition: all 0.3s; border: 2px solid;
}
.node-icon { font-size: 15px; }
.node-open { background: var(--bg2); border-color: var(--purple); color: var(--purple); }
.node-open:hover { box-shadow: 0 0 18px rgba(168,85,247,0.5); transform: scale(1.05); }
.node-done { background: linear-gradient(120deg, var(--purple-deep), var(--teal)); border-color: var(--teal); color: #0c0a14; box-shadow: 0 0 18px rgba(45,212,191,0.5); }
.node-locked { background: rgba(255,255,255,0.03); border-color: rgba(255,255,255,0.12); color: var(--muted); cursor: not-allowed; }
.connector { width: 2px; flex: 1; min-height: 24px; background: var(--line); margin: 6px 0; transition: background 0.4s; }
.connector-done { background: linear-gradient(var(--teal), var(--purple)); }

.step-card {
  flex: 1; min-width: 0; margin-bottom: 20px;
  background: rgba(19,17,31,0.7); border: 1px solid var(--line);
  border-radius: 16px; overflow: hidden; backdrop-filter: blur(6px);
  transition: border-color 0.3s, transform 0.2s;
  animation: fadeUp 0.6s ease both;
}
.step-card:hover { border-color: rgba(168,85,247,0.35); }
.card-done { border-color: rgba(45,212,191,0.3); }
.card-locked { opacity: 0.62; }
.step-head { display: flex; align-items: center; gap: 12px; padding: 18px 20px; cursor: pointer; }
.step-num { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.18em; color: var(--teal); margin-bottom: 4px; }
.step-title { font-size: 20px; font-weight: 700; letter-spacing: -0.02em; margin: 0 0 4px; }
.step-desc { font-size: 13px; color: var(--muted); margin: 0; line-height: 1.5; }
.done-badge { font-family: 'JetBrains Mono', monospace; font-size: 9px; font-weight: 700; letter-spacing: 0.15em; color: #0c0a14; background: var(--teal); padding: 3px 8px; border-radius: 6px; }
.lock-badge { font-size: 14px; }
.chev { color: var(--muted); font-size: 16px; transition: transform 0.3s; }
.chev-open { transform: rotate(90deg); color: var(--teal); }

.step-body { padding: 0 20px 20px; animation: expand 0.3s ease; }
.task-heading, .terminal-heading { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--muted); margin: 4px 0 12px; }
.task-list { border-top: 1px dashed var(--line); padding-top: 16px; margin-bottom: 18px; }
.task-item { display: flex; gap: 10px; font-size: 14px; color: var(--ink); margin-bottom: 10px; line-height: 1.5; }
.task-bullet { font-family: 'JetBrains Mono', monospace; color: var(--teal); font-weight: 700; flex-shrink: 0; }

/* command block */
.cmd-block { background: #06050b; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; margin-bottom: 18px; }
.cmd-bar { display: flex; align-items: center; justify-content: space-between; padding: 8px 12px; background: rgba(255,255,255,0.03); border-bottom: 1px solid var(--line); }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.copy-btn { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--teal); background: rgba(45,212,191,0.08); border: 1px solid rgba(45,212,191,0.25); padding: 3px 10px; border-radius: 6px; cursor: pointer; transition: background 0.2s; }
.copy-btn:hover { background: rgba(45,212,191,0.2); }
.cmd-body { margin: 0; padding: 14px; font-size: 13px; line-height: 1.7; overflow-x: auto; }
.cmd-line { white-space: pre; color: var(--ink); }
.prompt-sym { color: var(--purple); font-weight: 700; }

/* callouts */
.callout { display: flex; gap: 12px; padding: 14px 16px; border-radius: 10px; border: 1px solid; margin-bottom: 18px; }
.callout-mark { font-size: 18px; flex-shrink: 0; }
.callout-label { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.15em; font-weight: 700; margin-bottom: 4px; }
.callout-text { font-size: 13px; line-height: 1.55; color: var(--ink); }
.callout-tip { background: rgba(45,212,191,0.07); border-color: rgba(45,212,191,0.25); }
.callout-tip .callout-label { color: var(--teal); }
.callout-warn { background: rgba(251,191,36,0.07); border-color: rgba(251,191,36,0.28); }
.callout-warn .callout-label { color: #fbbf24; }
.callout-fact { background: rgba(168,85,247,0.07); border-color: rgba(168,85,247,0.25); }
.callout-fact .callout-label { color: var(--purple); }

.complete-btn {
  width: 100%; font-family: 'JetBrains Mono', monospace; font-weight: 700; font-size: 14px;
  color: #0c0a14; border: none; cursor: pointer; padding: 13px; border-radius: 10px;
  background: linear-gradient(120deg, var(--purple), var(--teal));
  transition: transform 0.15s, box-shadow 0.2s;
}
.complete-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(45,212,191,0.4); }
.complete-btn-undo { background: rgba(255,255,255,0.06); color: var(--muted); border: 1px solid var(--line); }
.complete-btn-undo:hover { box-shadow: none; color: var(--ink); }

/* footer */
.footer { position: relative; z-index: 1; text-align: center; padding: 40px 20px 60px; border-top: 1px solid var(--line); }
.footer p { color: var(--ink); font-size: 14px; margin: 0 0 8px; }
.footer-sub { color: var(--muted) !important; font-size: 12px !important; }
.remix-link {
  display: inline-block; margin-top: 16px; font-family: 'JetBrains Mono', monospace; font-size: 13px;
  color: var(--teal); text-decoration: none; padding: 8px 18px;
  border: 1px solid rgba(45,212,191,0.3); border-radius: 999px; transition: all 0.2s;
}
.remix-link:hover { background: rgba(45,212,191,0.12); transform: translateY(-1px); }

/* animations */
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes expand { from { opacity: 0; } to { opacity: 1; } }

/* confetti */
.confetti-container { position: fixed; inset: 0; pointer-events: none; z-index: 999; overflow: hidden; }
.confetti-piece { position: absolute; top: -20px; border-radius: 2px; animation: fall linear forwards; }
@keyframes fall {
  to { transform: translateY(105vh) rotate(720deg); opacity: 0.2; }
}

@media (max-width: 520px) {
  .step-title { font-size: 17px; }
  .step-head { padding: 16px 14px; }
  .step-body { padding: 0 14px 16px; }
}
</style>