/* ===================================================
   AGCM – Adaptive Green Complexity Metric
   Main Stylesheet
   =================================================== */

/* ---------- CSS Variables ---------- */
:root {
  --green-50:  #f0fdf4;
  --green-100: #dcfce7;
  --green-200: #bbf7d0;
  --green-400: #4ade80;
  --green-500: #22c55e;
  --green-600: #16a34a;
  --green-700: #15803d;
  --green-800: #166534;

  --dark-900: #0a0f0d;
  --dark-800: #0f1a14;
  --dark-700: #121f18;
  --dark-600: #1a2e22;
  --dark-500: #1e3a28;

  --gray-50:  #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  --accent:   #4ade80;
  --accent2:  #22c55e;
  --danger:   #ef4444;
  --warning:  #f59e0b;
  --info:     #3b82f6;

  --font-main: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 6px;
  --radius:    12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.12);
  --shadow:    0 4px 20px rgba(0,0,0,.15);
  --shadow-lg: 0 10px 40px rgba(0,0,0,.2);
  --shadow-green: 0 0 30px rgba(74,222,128,.15);

  --transition: .25s ease;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  background: #fff;
  color: var(--gray-800);
  line-height: 1.6;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
code, pre { font-family: var(--font-mono); }

/* ---------- Utility ---------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section.bg-dark { background: var(--dark-800); color: #fff; }
.section.bg-alt  { background: var(--gray-50); }

/* ---------- Section Headers ---------- */
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 { font-size: 2.2rem; font-weight: 800; margin: 8px 0 16px; color: var(--gray-900); }
.section-header p  { color: var(--gray-500); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }
.section-header.light h2 { color: #fff; }
.section-header.light p  { color: var(--gray-400); }
.section-tag {
  display: inline-block;
  font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--green-600); background: var(--green-50);
  border: 1px solid var(--green-200);
  padding: 4px 14px; border-radius: 99px;
}
.section-tag.green { color: var(--green-400); background: rgba(74,222,128,.1); border-color: rgba(74,222,128,.3); }

/* ---------- Navbar ---------- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 32px; height: 64px;
  background: rgba(10,15,13,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(74,222,128,.15);
}
.nav-brand { display: flex; align-items: center; gap: 10px; }
.brand-icon { font-size: 1.4rem; }
.brand-text { font-size: 1.2rem; font-weight: 700; color: var(--green-400); font-family: var(--font-mono); }
.nav-links { display: flex; gap: 4px; }
.nav-links a {
  font-size: .875rem; font-weight: 500; color: var(--gray-300);
  padding: 8px 14px; border-radius: var(--radius-sm);
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--green-400); background: rgba(74,222,128,.1); }
.nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.2rem; cursor: pointer; }

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: grid; grid-template-columns: 1fr 1fr; align-items: center;
  gap: 40px; padding: 100px 80px 60px;
  background: var(--dark-900);
  position: relative; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.hero-particles { position: absolute; inset: 0; }
.hero-particle {
  position: absolute; width: 4px; height: 4px; border-radius: 50%;
  background: var(--green-400); opacity: .6; animation: float 6s infinite ease-in-out;
}
@keyframes float {
  0%,100% { transform: translateY(0) translateX(0); opacity: .6; }
  50%      { transform: translateY(-30px) translateX(15px); opacity: .2; }
}
.hero-badge {
  display: inline-block; font-size: .8rem; font-weight: 600;
  color: var(--green-400); background: rgba(74,222,128,.1);
  border: 1px solid rgba(74,222,128,.3);
  padding: 6px 16px; border-radius: 99px; margin-bottom: 20px;
}
.hero-title {
  font-size: 3.4rem; font-weight: 800; line-height: 1.15;
  color: #fff; margin-bottom: 20px;
}
.hero-title .accent { color: var(--green-400); }
.hero-subtitle { font-size: 1.1rem; color: var(--gray-400); margin-bottom: 32px; max-width: 520px; line-height: 1.7; }
.hero-subtitle strong { color: var(--green-400); }

.hero-formula {
  background: var(--dark-600); border: 1px solid rgba(74,222,128,.2);
  border-radius: var(--radius); padding: 20px 24px; margin-bottom: 32px;
}
.formula-label { font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--green-500); }
.formula-box {
  font-family: var(--font-mono); font-size: 1.1rem; color: #fff;
  margin: 10px 0; padding: 10px 0;
  border-bottom: 1px solid rgba(74,222,128,.15);
}
.formula-legend { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 10px; }
.formula-legend span { font-size: .78rem; color: var(--gray-400); font-family: var(--font-mono); }
.formula-legend em { color: var(--green-400); font-style: normal; }

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: var(--radius); font-weight: 600; font-size: .9rem;
  transition: var(--transition); cursor: pointer; border: 2px solid transparent;
}
.btn-primary  { background: var(--green-500); color: #fff; border-color: var(--green-500); }
.btn-primary:hover  { background: var(--green-600); border-color: var(--green-600); transform: translateY(-2px); box-shadow: var(--shadow-green); }
.btn-outline  { background: transparent; color: var(--green-400); border-color: var(--green-400); }
.btn-outline:hover  { background: rgba(74,222,128,.1); transform: translateY(-2px); }
.btn-secondary { background: var(--gray-100); color: var(--gray-800); border-color: var(--gray-200); }
.btn-secondary:hover { background: var(--gray-200); transform: translateY(-1px); }
.btn-sm { padding: 8px 16px; font-size: .8rem; border-radius: var(--radius-sm); }

/* Metric Cards (hero) */
.hero-visual { display: flex; align-items: center; justify-content: center; }
.metric-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.metric-card {
  background: var(--dark-600); border: 1px solid rgba(74,222,128,.2);
  border-radius: var(--radius); padding: 24px 20px;
  display: flex; flex-direction: column; gap: 6px;
  transition: var(--transition);
}
.metric-card:hover { border-color: var(--green-400); box-shadow: var(--shadow-green); transform: translateY(-4px); }
.metric-card i  { font-size: 1.4rem; color: var(--green-400); }
.metric-card span { font-size: .75rem; color: var(--gray-400); text-transform: uppercase; letter-spacing: .06em; }
.metric-card b  { font-size: 1.25rem; font-weight: 700; color: #fff; font-family: var(--font-mono); }
.mc1 { border-top: 3px solid var(--info); }
.mc2 { border-top: 3px solid var(--warning); }
.mc3 { border-top: 3px solid var(--green-500); }
.mc4 { border-top: 3px solid var(--accent); }

/* ---------- Comparison Grid ---------- */
.comparison-grid {
  display: grid; grid-template-columns: 1fr 60px 1fr; align-items: center; gap: 20px;
}
.comparison-card {
  background: #fff; border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg); padding: 32px;
  box-shadow: var(--shadow);
}
.comparison-card.new { border-color: var(--green-400); box-shadow: var(--shadow-green); }
.comparison-card .comp-icon { font-size: 2rem; margin-bottom: 16px; }
.comparison-card.old .comp-icon { color: var(--danger); }
.comparison-card.new .comp-icon { color: var(--green-500); }
.comparison-card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 20px; }
.comparison-card li {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 0; border-bottom: 1px solid var(--gray-100);
  font-size: .9rem;
}
.comparison-card li:last-child { border-bottom: none; }
.comparison-card li .fa-check { color: var(--green-500); }
.comparison-card li .fa-check.good { color: var(--green-500); }
.comparison-card li .fa-times.bad { color: var(--danger); }
.comparison-arrow { text-align: center; font-size: 2rem; color: var(--gray-300); }

/* ---------- Features Grid ---------- */
.features-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.feature-card {
  background: var(--dark-600); border: 1px solid rgba(74,222,128,.15);
  border-radius: var(--radius); padding: 28px 24px;
  transition: var(--transition); position: relative; overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--green-500), var(--green-400));
  transform: scaleX(0); transition: var(--transition); transform-origin: left;
}
.feature-card:hover { border-color: rgba(74,222,128,.4); transform: translateY(-4px); box-shadow: var(--shadow-green); }
.feature-card:hover::before { transform: scaleX(1); }
.feature-num { font-size: .75rem; font-weight: 800; color: var(--green-600); font-family: var(--font-mono); margin-bottom: 12px; }
.feature-icon { font-size: 1.8rem; color: var(--green-400); margin-bottom: 14px; }
.feature-card h3 { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 10px; }
.feature-card p  { font-size: .875rem; color: var(--gray-400); line-height: 1.6; margin-bottom: 14px; }
.feature-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.feature-tags span {
  font-size: .7rem; font-weight: 600; font-family: var(--font-mono);
  color: var(--green-400); background: rgba(74,222,128,.1);
  padding: 3px 9px; border-radius: 99px; border: 1px solid rgba(74,222,128,.2);
}

/* ---------- Algorithm Grid ---------- */
.algo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.algo-card {
  background: #fff; border: 2px solid var(--gray-200);
  border-radius: var(--radius); padding: 24px 20px;
  box-shadow: var(--shadow-sm); transition: var(--transition); position: relative;
}
.algo-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.algo-card.sorting  { border-top: 4px solid var(--info); }
.algo-card.recursion { border-top: 4px solid var(--warning); }
.algo-card.graph    { border-top: 4px solid var(--green-500); }
.algo-card.green-algo { border-color: var(--green-300); }
.algo-cat {
  font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
  color: var(--gray-500); margin-bottom: 8px;
}
.algo-card h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; color: var(--gray-900); }
.algo-complexity { display: flex; align-items: baseline; gap: 8px; margin-bottom: 10px; }
.algo-complexity .worst { font-family: var(--font-mono); font-size: 1rem; font-weight: 700; color: var(--danger); }
.algo-complexity .avg   { font-family: var(--font-mono); font-size: 1rem; font-weight: 700; color: var(--warning); }
.algo-complexity .best  { font-family: var(--font-mono); font-size: 1rem; font-weight: 700; color: var(--green-600); }
.algo-complexity .label { font-size: .75rem; color: var(--gray-500); }
.algo-card p { font-size: .85rem; color: var(--gray-500); line-height: 1.5; }
.green-badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: .7rem; font-weight: 700;
  color: var(--green-700); background: var(--green-50); border: 1px solid var(--green-200);
  padding: 4px 10px; border-radius: 99px; margin-top: 10px;
}

/* ---------- Parameters Grid ---------- */
.params-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.params-block {
  background: #fff; border: 1px solid var(--gray-200);
  border-radius: var(--radius); padding: 28px;
  box-shadow: var(--shadow-sm);
}
.params-block h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 20px; display: flex; align-items: center; gap: 10px; color: var(--gray-900); }
.params-block h3 i { color: var(--green-600); }
.params-table { border: 1px solid var(--gray-200); border-radius: var(--radius-sm); overflow: hidden; }
.pt-row {
  display: grid; grid-template-columns: 2fr 1.5fr 1fr 1fr; gap: 8px;
  padding: 10px 14px; align-items: center; border-bottom: 1px solid var(--gray-100);
  font-size: .85rem;
}
.pt-row:last-child { border-bottom: none; }
.pt-row.header {
  background: var(--gray-50); font-weight: 700; font-size: .75rem;
  text-transform: uppercase; letter-spacing: .06em; color: var(--gray-500);
}
.badge {
  display: inline-block; font-size: .7rem; font-weight: 700; padding: 3px 8px; border-radius: 99px;
}
.badge.red    { color: #dc2626; background: #fee2e2; }
.badge.orange { color: #d97706; background: #fef3c7; }
.badge.yellow { color: #92400e; background: #fef9c3; }
.badge.green  { color: var(--green-700); background: var(--green-50); }

/* ---------- Project Structure ---------- */
.structure-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.file-tree {
  background: var(--dark-800); border: 1px solid rgba(74,222,128,.2);
  border-radius: var(--radius); padding: 24px; font-family: var(--font-mono); font-size: .85rem;
}
.tree-root { color: var(--green-400); font-weight: 700; margin-bottom: 12px; font-size: .95rem; }
.tree-branch { padding-left: 12px; border-left: 1px solid rgba(74,222,128,.2); }
.tree-item { padding: 3px 0; }
.tree-item.dir  { color: var(--green-400); font-weight: 600; margin-top: 8px; }
.tree-item.file { color: var(--gray-400); padding-left: 16px; position: relative; }
.tree-item.file::before { content: '├─ '; color: rgba(74,222,128,.3); }
.tree-item.file.py    { color: #93c5fd; }
.tree-item.file.other { color: var(--gray-500); }
.tree-sub { padding-left: 16px; border-left: 1px solid rgba(74,222,128,.1); margin-bottom: 4px; }
.file-note { color: var(--gray-500); font-size: .75rem; }

.module-desc { display: flex; flex-direction: column; gap: 16px; }
.md-item { display: flex; gap: 16px; align-items: flex-start; }
.md-icon {
  width: 40px; height: 40px; border-radius: var(--radius-sm); flex-shrink: 0;
  background: var(--green-50); display: flex; align-items: center; justify-content: center;
  color: var(--green-600); font-size: 1rem;
}
.md-item strong { font-size: .95rem; font-weight: 700; color: var(--gray-900); font-family: var(--font-mono); }
.md-item p { font-size: .85rem; color: var(--gray-500); margin-top: 2px; }

/* ---------- Install Steps ---------- */
.install-steps { display: flex; flex-direction: column; gap: 24px; }
.install-step { display: grid; grid-template-columns: 56px 1fr; gap: 20px; align-items: start; }
.step-num {
  width: 56px; height: 56px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--green-600), var(--green-400));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; font-weight: 800; color: #fff;
}
.step-content h4 { font-size: 1.05rem; font-weight: 700; color: #fff; margin-bottom: 12px; }
.code-block {
  background: var(--dark-900); border: 1px solid rgba(74,222,128,.2);
  border-radius: var(--radius-sm); overflow: hidden; margin-bottom: 10px;
}
.cb-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 14px; background: rgba(74,222,128,.06);
  border-bottom: 1px solid rgba(74,222,128,.1); font-size: .75rem; color: var(--gray-500);
}
.code-block pre { padding: 16px; overflow-x: auto; }
.code-block code { color: var(--green-400); font-size: .85rem; line-height: 1.7; white-space: pre; }
.copy-btn {
  background: none; border: 1px solid rgba(74,222,128,.3); color: var(--green-400);
  padding: 3px 8px; border-radius: 4px; cursor: pointer; font-size: .75rem; transition: var(--transition);
}
.copy-btn:hover { background: rgba(74,222,128,.1); }
.deps-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.deps-list span {
  font-size: .75rem; font-family: var(--font-mono); font-weight: 600;
  color: var(--green-400); background: rgba(74,222,128,.08);
  border: 1px solid rgba(74,222,128,.2); padding: 4px 10px; border-radius: 99px;
}

/* ---------- Nav Tiles ---------- */
.nav-tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 20px; }
.nav-tile {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  gap: 12px; padding: 32px 20px;
  background: #fff; border: 2px solid var(--gray-100);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  transition: var(--transition); color: var(--gray-800);
}
.nav-tile:hover {
  border-color: var(--green-400); box-shadow: var(--shadow-green);
  transform: translateY(-6px); color: var(--green-700);
}
.nav-tile i { font-size: 2rem; color: var(--green-500); }
.nav-tile h3 { font-size: 1rem; font-weight: 700; }
.nav-tile p  { font-size: .8rem; color: var(--gray-500); line-height: 1.4; }

/* ---------- Footer ---------- */
.footer {
  background: var(--dark-900); color: var(--gray-400);
  padding: 40px 0; text-align: center;
  border-top: 1px solid rgba(74,222,128,.15);
}
.footer-content { margin-bottom: 24px; }
.footer-brand { display: flex; align-items: center; justify-content: center; gap: 10px; margin-bottom: 12px; }
.footer-brand span { font-size: 1.2rem; font-weight: 700; color: var(--green-400); }
.footer p { font-size: .9rem; margin-bottom: 6px; }
.footer-sub { font-size: .8rem; color: var(--gray-600); }
.footer-links { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; }
.footer-links a { font-size: .85rem; color: var(--gray-500); transition: var(--transition); }
.footer-links a:hover { color: var(--green-400); }

/* =========================================================
   DESIGN PAGE
   ========================================================= */
.arch-flow {
  display: flex; flex-direction: column; align-items: center; gap: 0;
  padding: 20px 0;
}
.arch-box {
  width: 100%; max-width: 500px;
  background: var(--dark-600); border: 1px solid rgba(74,222,128,.25);
  border-radius: var(--radius); padding: 16px 24px;
  display: flex; align-items: center; gap: 16px;
  transition: var(--transition);
}
.arch-box:hover { border-color: var(--green-400); box-shadow: var(--shadow-green); }
.arch-box-icon { font-size: 1.4rem; color: var(--green-400); width: 32px; text-align: center; }
.arch-box-label { font-size: .9rem; font-weight: 600; color: #fff; }
.arch-box-sub   { font-size: .75rem; color: var(--gray-400); }
.arch-arrow {
  width: 2px; height: 30px; background: linear-gradient(to bottom, rgba(74,222,128,.5), rgba(74,222,128,.1));
  display: flex; align-items: flex-end; justify-content: center; position: relative;
}
.arch-arrow::after {
  content: '▼'; color: var(--green-400); font-size: .6rem;
  position: absolute; bottom: -2px;
}

.block-diagram {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.bd-cell {
  background: var(--dark-600); border: 1px solid rgba(74,222,128,.2);
  border-radius: var(--radius-sm); padding: 16px; text-align: center;
}
.bd-cell.active { border-color: var(--green-400); background: rgba(74,222,128,.08); }
.bd-cell i { font-size: 1.5rem; color: var(--green-400); margin-bottom: 8px; }
.bd-cell span { display: block; font-size: .8rem; color: var(--gray-300); font-weight: 600; }

/* =========================================================
   CODE PAGE
   ========================================================= */
.code-nav { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; }
.code-nav-btn {
  padding: 8px 16px; border-radius: var(--radius-sm);
  background: var(--dark-600); border: 1px solid rgba(74,222,128,.2);
  color: var(--gray-300); font-size: .85rem; font-weight: 600; cursor: pointer;
  transition: var(--transition); font-family: var(--font-mono);
}
.code-nav-btn:hover, .code-nav-btn.active {
  background: rgba(74,222,128,.1); border-color: var(--green-400); color: var(--green-400);
}
.code-panel { display: none; }
.code-panel.active { display: block; }
.code-file-header {
  display: flex; justify-content: space-between; align-items: center;
  background: rgba(74,222,128,.06); border: 1px solid rgba(74,222,128,.2);
  border-bottom: none; padding: 12px 20px; border-radius: var(--radius) var(--radius) 0 0;
}
.code-file-name { font-family: var(--font-mono); font-size: .9rem; color: var(--green-400); font-weight: 600; }
.code-file-body {
  background: var(--dark-900); border: 1px solid rgba(74,222,128,.2);
  border-radius: 0 0 var(--radius) var(--radius);
  padding: 24px; overflow-x: auto; max-height: 600px;
}
.code-file-body pre code { font-size: .82rem; line-height: 1.8; color: var(--gray-300); }
/* syntax highlight helpers */
.kw { color: #c084fc; } /* keyword */
.fn { color: #93c5fd; } /* function */
.st { color: var(--green-400); } /* string */
.cm { color: #6b7280; font-style: italic; } /* comment */
.nm { color: #fcd34d; } /* number */
.cl { color: #f97316; } /* class */
.dc { color: #f0abfc; } /* decorator */

/* =========================================================
   DASHBOARD PAGE
   ========================================================= */
.dashboard-layout {
  display: grid; grid-template-columns: 280px 1fr; gap: 24px; align-items: start;
}
.dash-sidebar {
  background: var(--dark-700); border: 1px solid rgba(74,222,128,.2);
  border-radius: var(--radius); padding: 24px; position: sticky; top: 80px;
}
.dash-sidebar h3 { font-size: .85rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--green-400); margin-bottom: 20px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: .82rem; font-weight: 600; color: var(--gray-300); margin-bottom: 6px; }
.form-group select, .form-group input[type=range], .form-group input[type=number] {
  width: 100%; background: var(--dark-800); border: 1px solid rgba(74,222,128,.2);
  border-radius: var(--radius-sm); color: #fff; padding: 8px 12px; font-size: .85rem;
  outline: none; transition: var(--transition);
}
.form-group select:focus, .form-group input:focus { border-color: var(--green-400); }
.form-group select option { background: var(--dark-800); }
.range-val { font-size: .8rem; color: var(--green-400); font-family: var(--font-mono); margin-top: 4px; text-align: right; }
.dash-divider { border: none; border-top: 1px solid rgba(74,222,128,.1); margin: 20px 0; }
.run-btn {
  width: 100%; padding: 12px; background: var(--green-600); color: #fff;
  border: none; border-radius: var(--radius-sm); font-size: .9rem; font-weight: 700;
  cursor: pointer; transition: var(--transition); display: flex; align-items: center; justify-content: center; gap: 8px;
}
.run-btn:hover { background: var(--green-500); box-shadow: var(--shadow-green); }
.run-btn:disabled { opacity: .5; cursor: not-allowed; }

.dash-main { display: flex; flex-direction: column; gap: 24px; }
.dash-summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.summary-card {
  background: var(--dark-700); border: 1px solid rgba(74,222,128,.2);
  border-radius: var(--radius); padding: 20px;
}
.summary-card .s-label { font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--gray-500); margin-bottom: 8px; }
.summary-card .s-value { font-size: 1.6rem; font-weight: 800; color: #fff; font-family: var(--font-mono); }
.summary-card .s-sub   { font-size: .75rem; color: var(--gray-500); margin-top: 4px; }
.summary-card.highlight { border-color: var(--green-400); background: rgba(74,222,128,.06); }
.summary-card.highlight .s-value { color: var(--green-400); }

.chart-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.chart-card {
  background: var(--dark-700); border: 1px solid rgba(74,222,128,.2);
  border-radius: var(--radius); padding: 20px;
}
.chart-card h4 { font-size: .9rem; font-weight: 700; color: var(--green-400); margin-bottom: 16px; }
.chart-container { height: 240px; position: relative; }

.results-table-wrap { overflow-x: auto; }
.results-table {
  width: 100%; border-collapse: collapse; font-size: .82rem;
}
.results-table th {
  background: var(--dark-600); color: var(--green-400);
  padding: 10px 12px; text-align: left; font-weight: 700;
  font-size: .75rem; text-transform: uppercase; letter-spacing: .06em;
  border-bottom: 2px solid rgba(74,222,128,.3);
}
.results-table td {
  padding: 10px 12px; border-bottom: 1px solid rgba(74,222,128,.08);
  color: var(--gray-300);
}
.results-table tr:hover td { background: rgba(74,222,128,.04); }
.results-table td.best { color: var(--green-400); font-weight: 700; }
.results-table td.worst { color: var(--danger); }
.results-table td .rank-badge {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 50%; font-size: .7rem; font-weight: 800;
}
.rank-1 { background: #ffd700; color: #000; }
.rank-2 { background: #c0c0c0; color: #000; }
.rank-3 { background: #cd7f32; color: #fff; }

.rec-box {
  background: rgba(74,222,128,.06); border: 1px solid rgba(74,222,128,.3);
  border-radius: var(--radius); padding: 20px;
}
.rec-box h4 { color: var(--green-400); font-size: 1rem; font-weight: 700; margin-bottom: 12px; }
.rec-item { display: flex; gap: 12px; margin-bottom: 10px; align-items: flex-start; }
.rec-item i { color: var(--green-400); margin-top: 2px; }
.rec-item span { font-size: .875rem; color: var(--gray-300); line-height: 1.5; }

/* =========================================================
   RESULTS PAGE
   ========================================================= */
.result-tabs { display: flex; gap: 8px; margin-bottom: 32px; flex-wrap: wrap; }
.result-tab-btn {
  padding: 8px 20px; border-radius: var(--radius-sm);
  background: var(--gray-100); border: 2px solid var(--gray-200);
  font-size: .85rem; font-weight: 600; cursor: pointer; transition: var(--transition);
  color: var(--gray-700);
}
.result-tab-btn.active, .result-tab-btn:hover {
  background: var(--green-50); border-color: var(--green-400); color: var(--green-700);
}
.result-tab { display: none; }
.result-tab.active { display: block; }

/* =========================================================
   DOCS PAGE
   ========================================================= */
.docs-layout { display: grid; grid-template-columns: 240px 1fr; gap: 40px; align-items: start; }
.docs-nav {
  background: var(--gray-50); border: 1px solid var(--gray-200);
  border-radius: var(--radius); padding: 20px; position: sticky; top: 80px;
}
.docs-nav h4 { font-size: .75rem; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; color: var(--gray-500); margin-bottom: 12px; }
.docs-nav a {
  display: block; padding: 8px 12px; border-radius: var(--radius-sm);
  font-size: .875rem; color: var(--gray-600); transition: var(--transition);
}
.docs-nav a:hover, .docs-nav a.active { background: var(--green-50); color: var(--green-700); font-weight: 600; }
.docs-content h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: 16px; color: var(--gray-900); }
.docs-content h3 { font-size: 1.2rem; font-weight: 700; margin: 28px 0 12px; color: var(--gray-800); }
.docs-content p  { color: var(--gray-600); line-height: 1.8; margin-bottom: 16px; font-size: .95rem; }
.docs-content ul { margin-left: 20px; margin-bottom: 16px; }
.docs-content ul li { margin-bottom: 6px; color: var(--gray-600); font-size: .95rem; list-style: disc; }
.docs-content code {
  font-family: var(--font-mono); font-size: .85em; color: var(--green-700);
  background: var(--green-50); padding: 2px 6px; border-radius: 4px; border: 1px solid var(--green-200);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; padding: 100px 40px 60px; text-align: center; }
  .hero-content { order: 1; }
  .hero-visual  { order: 2; }
  .hero-formula { text-align: left; }
  .hero-actions { justify-content: center; }
  .params-grid { grid-template-columns: 1fr; }
  .structure-layout { grid-template-columns: 1fr; }
  .chart-grid { grid-template-columns: 1fr; }
  .dashboard-layout { grid-template-columns: 1fr; }
  .dash-sidebar { position: static; }
  .dash-summary { grid-template-columns: 1fr 1fr; }
  .docs-layout { grid-template-columns: 1fr; }
  .docs-nav { position: static; }
  .comparison-grid { grid-template-columns: 1fr; }
  .comparison-arrow { display: none; }
}
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--dark-900); padding: 16px; gap: 4px; border-bottom: 1px solid rgba(74,222,128,.2); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .hero { padding: 90px 24px 48px; }
  .hero-title { font-size: 2.4rem; }
  .section { padding: 56px 0; }
  .section-header h2 { font-size: 1.7rem; }
  .metric-cards { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .dash-summary { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .hero-title { font-size: 1.9rem; }
  .metric-cards { grid-template-columns: 1fr; }
  .dash-summary { grid-template-columns: 1fr; }
  .result-tabs { flex-direction: column; }
}