/* EdgeEDA Demo - Shared Styles */
:root {
  --bg:        #0a0e14;
  --bg2:       #111827;
  --bg3:       #1a2333;
  --border:    #1e2d45;
  --accent:    #00d4ff;
  --accent2:   #7c3aed;
  --accent3:   #10b981;
  --warn:      #f59e0b;
  --danger:    #ef4444;
  --text:      #e2e8f0;
  --text2:     #94a3b8;
  --text3:     #64748b;
  --mono:      'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  --sans:      'Inter', system-ui, sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  min-height: 100vh;
  line-height: 1.6;
}

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  background: rgba(10,14,20,0.95);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  z-index: 100;
  padding: 0 2rem;
  height: 56px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: var(--mono);
  font-size: 1rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-decoration: none;
}
.nav-links { display: flex; gap: 0.25rem; }
.nav-links a {
  color: var(--text2);
  text-decoration: none;
  font-size: 0.75rem;
  padding: 0.35rem 0.6rem;
  border-radius: 4px;
  transition: all 0.15s;
  font-family: var(--mono);
}
.nav-links a:hover { color: var(--accent); background: var(--bg3); }
.nav-links a.active { color: var(--accent); background: rgba(0,212,255,0.08); }

/* MAIN */
main {
  padding-top: 56px;
  max-width: 1100px;
  margin: 0 auto;
  padding-left: 2rem;
  padding-right: 2rem;
  padding-bottom: 4rem;
}

/* HERO */
.hero {
  padding: 5rem 0 3rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 3rem;
}
.page-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}
.hero h1 span { color: var(--accent); }
.hero p {
  font-size: 1.1rem;
  color: var(--text2);
  max-width: 650px;
  line-height: 1.7;
}

/* TERMINAL */
.terminal {
  background: #050810;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin: 2rem 0;
}
.terminal-bar {
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot-r { background: #ff5f57; }
.dot-y { background: #febc2e; }
.dot-g { background: #28c840; }
.terminal-title {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text3);
  margin-left: 0.5rem;
}
.terminal-body {
  padding: 1.25rem 1.5rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.8;
}
.t-prompt { color: var(--accent2); }
.t-cmd    { color: var(--text); }
.t-ok     { color: var(--accent3); }
.t-warn   { color: var(--warn); }
.t-err    { color: var(--danger); }
.t-val    { color: var(--accent); }
.t-dim    { color: var(--text3); }
.t-head   { color: var(--text2); font-weight: bold; }

/* CARDS */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  transition: border-color 0.2s;
}
.card:hover { border-color: var(--accent); }
.card-icon { font-size: 1.5rem; margin-bottom: 0.75rem; }
.card h3 { font-size: 0.95rem; margin-bottom: 0.5rem; font-family: var(--mono); color: var(--accent); }
.card p { font-size: 0.85rem; color: var(--text2); line-height: 1.6; }

/* SCORE BOX */
.score-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.75rem;
  margin: 1.5rem 0;
}
.score-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
  text-align: center;
}
.score-box .score {
  font-family: var(--mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent3);
}
.score-box .score.fail { color: var(--danger); }
.score-box .label { font-size: 0.7rem; color: var(--text3); margin-top: 0.25rem; font-family: var(--mono); }

/* PROGRESS BAR */
.progress { margin: 0.5rem 0; }
.progress-label { font-size: 0.75rem; color: var(--text2); margin-bottom: 0.25rem; font-family: var(--mono); display: flex; justify-content: space-between; }
.progress-bar { height: 4px; background: var(--bg3); border-radius: 2px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--accent3); border-radius: 2px; transition: width 1s ease; }

/* NAV FOOTER */
.page-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.page-nav a {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text2);
  text-decoration: none;
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: all 0.15s;
}
.page-nav a:hover { color: var(--accent); border-color: var(--accent); }
.page-nav .next { background: rgba(0,212,255,0.08); color: var(--accent); border-color: var(--accent); }

/* SECTION */
section { margin: 3rem 0; }
section h2 { font-size: 1.25rem; margin-bottom: 1rem; color: var(--text); letter-spacing: -0.01em; }
section h2 span { color: var(--accent); font-family: var(--mono); }

/* TABLE */
.compare-table { width: 100%; border-collapse: collapse; font-size: 0.83rem; margin: 1.5rem 0; }
.compare-table th { background: var(--bg3); color: var(--text2); font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; padding: 0.75rem 1rem; text-align: left; border-bottom: 1px solid var(--border); }
.compare-table td { padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); color: var(--text2); }
.compare-table tr:last-child td { border-bottom: none; }
.compare-table .win { color: var(--accent3); font-weight: 600; }
.compare-table .lose { color: var(--danger); }

/* BADGE */
.badge { display: inline-block; font-family: var(--mono); font-size: 0.65rem; padding: 0.2rem 0.5rem; border-radius: 3px; letter-spacing: 0.05em; }
.badge-ok { background: rgba(16,185,129,0.15); color: var(--accent3); }
.badge-warn { background: rgba(245,158,11,0.15); color: var(--warn); }
.badge-info { background: rgba(0,212,255,0.1); color: var(--accent); }

/* RING VIZ */
.ring-container { position: relative; width: 320px; height: 320px; margin: 2rem auto; }
.ring-node {
  position: absolute;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--bg3);
  border: 2px solid var(--border);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  font-family: var(--mono);
  font-size: 0.65rem;
  text-align: center;
  transition: all 0.3s;
  cursor: pointer;
}
.ring-node:hover { border-color: var(--accent); transform: scale(1.1); }
.ring-node .family-id { color: var(--accent); font-weight: 700; font-size: 0.8rem; }
.ring-node .family-name { color: var(--text3); font-size: 0.55rem; margin-top: 2px; }
.ring-node.always-on { border-color: var(--accent3); }
.ring-node.egress { border-color: var(--warn); }

/* ANIMATED CURSOR */
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }
.cursor { display: inline-block; width: 8px; height: 14px; background: var(--accent); animation: blink 1s infinite; vertical-align: middle; margin-left: 2px; }

/* STEP LIST */
.step-list { list-style: none; }
.step-list li {
  display: flex; gap: 1rem; padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem; color: var(--text2);
  align-items: flex-start;
}
.step-list li:last-child { border-bottom: none; }
.step-num { font-family: var(--mono); color: var(--accent); font-size: 0.75rem; min-width: 2rem; padding-top: 0.1rem; }