:root{--header-h:110px;--nav-h:65px;}
/* ═══════════════════════════════════════════════════════════════════
   Malena Framework — Shared Tutorial Stylesheet
   Base: tutorial_beginner.html design system
   ═══════════════════════════════════════════════════════════════════ */

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;background:#0e0c1a;color:#e8e4ff;line-height:1.6}
a{color:#a89cf7;text-decoration:none}
a:hover{color:#c4b8ff}
code,pre{font-family:'JetBrains Mono',monospace}

/* ── SCROLL PROGRESS BAR ─────────────────────────────────────────── */
.scroll-progress{position:fixed;top:0;left:0;right:0;height:2px;background:transparent;z-index:999}
.scroll-fill{height:100%;background:linear-gradient(90deg,#534AB7,#5DCAA5);width:0%;transition:width 0.1s}

/* ── MAIN NAV ────────────────────────────────────────────────────── */
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 48px;border-bottom:1px solid #2a2440;background:#0e0c1a;position:sticky;top:0;z-index:100}
.nav-logo{display:flex;align-items:center;gap:10px}
.nav-badge{width:32px;height:32px;background:#534AB7;border-radius:8px;display:flex;align-items:center;justify-content:center}
.nav-name{font-size:15px;font-weight:600;color:#e8e4ff}
.nav-links{display:flex;flex:1;justify-content:center;gap:28px;font-size:14px}
.nav-links a{color:#9d94c4}
.nav-links a:hover{color:#e8e4ff}
.nav-cta{display:flex;gap:10px}
.btn-ghost{padding:7px 16px;border-radius:8px;border:1px solid #3a3060;font-size:13px;color:#c4b8ff;background:transparent;cursor:pointer;font-family:'Inter',sans-serif;text-decoration:none;display:inline-flex;align-items:center}
.btn-ghost:hover{background:#1e1a35;border-color:#534AB7;color:#c4b8ff}
.btn-primary{padding:7px 18px;border-radius:8px;border:none;font-size:13px;font-weight:500;background:#534AB7;color:#fff;cursor:pointer;font-family:'Inter',sans-serif;text-decoration:none;display:inline-flex;align-items:center}
.btn-primary:hover{background:#6257cc}

/* ── TUTORIAL SUB-NAV (below main nav) ───────────────────────────── */
.tutorial-subnav{
  display:flex;align-items:center;gap:6px;
  padding:10px 48px;
  border-bottom:1px solid #1e1a35;
  background:#0e0c1a;
  font-size:13px;
  position:sticky;top:var(--nav-h);
  z-index:98;
}
.tutorial-subnav-brand{
  font-family:'JetBrains Mono',monospace;
  font-size:13px;font-weight:600;color:#e8e4ff;
  margin-right:4px;
}
.tutorial-subnav-brand span{color:#534AB7}
.tutorial-subnav-sep{color:#2a2440;font-size:16px;margin:0 6px}
.tutorial-subnav a{color:#6b6491;padding:4px 10px;border-radius:6px;transition:all 0.15s}
.tutorial-subnav a:hover{color:#e8e4ff;background:#13101f}
.tutorial-subnav a.active{color:#a89cf7;background:#13101f}
.tutorial-subnav-spacer{flex:1}
.tutorial-subnav-all{
  font-size:12px;color:#534AB7;
  padding:4px 12px;border:1px solid rgba(83,74,183,0.4);border-radius:6px;
  transition:all 0.15s;
}
.tutorial-subnav-all:hover{background:#13101f;color:#a89cf7}

/* ── BREADCRUMB ──────────────────────────────────────────────────── */
.breadcrumb{padding:16px 48px;display:flex;align-items:center;gap:8px;font-size:13px;color:#4a4470;border-bottom:1px solid #1e1a35}
.breadcrumb a{color:#6b6491}
.breadcrumb a:hover{color:#a89cf7}
.breadcrumb-sep{color:#3a3060}
.breadcrumb-current{color:#9d94c4}

/* ── LAYOUT ──────────────────────────────────────────────────────── */
/* nav=65px + subnav=45px = 110px total fixed headers */
.layout{display:grid;grid-template-columns:260px 1fr;gap:0;max-width:1200px;margin:0 auto;padding:0 48px 80px}

/* ── SIDEBAR ─────────────────────────────────────────────────────── */
.sidebar{
  position:sticky;
  top:var(--header-h);
  height:calc(100vh - var(--header-h));
  overflow-y:auto;
  padding:32px 0 32px;
  border-right:1px solid #1e1a35;
  padding-right:32px;
}
.sidebar::-webkit-scrollbar{width:4px}
.sidebar::-webkit-scrollbar-track{background:transparent}
.sidebar::-webkit-scrollbar-thumb{background:#2a2440;border-radius:2px}

.sidebar-time{display:flex;align-items:center;gap:6px;font-size:12px;color:#4a4470;padding:0 10px;margin-bottom:16px}

.sidebar-progress{margin-bottom:24px;padding:12px;background:#13101f;border:1px solid #2a2440;border-radius:10px}
.sidebar-progress-label{font-size:12px;color:#6b6491;margin-bottom:8px}
.progress-bar{height:4px;background:#1e1a35;border-radius:2px;overflow:hidden}
.progress-fill{height:100%;background:linear-gradient(90deg,#534AB7,#5DCAA5);border-radius:2px;width:0%;transition:width 0.4s ease}
.progress-text{font-size:11px;color:#4a4470;margin-top:6px}

.sidebar-label{font-size:11px;font-weight:500;color:#4a4470;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:12px;margin-top:24px}
.sidebar-label:first-of-type{margin-top:0}

.sidebar-links{display:flex;flex-direction:column;gap:2px}
.sidebar-link{font-size:13px;color:#6b6491;padding:5px 10px;border-radius:6px;cursor:pointer;border-left:2px solid transparent;transition:all 0.15s;display:flex;align-items:center;gap:8px;text-decoration:none}
.sidebar-link:hover{color:#c4b8ff;background:#13101f}
.sidebar-link.active{color:#a89cf7;background:#13101f;border-left-color:#534AB7}

.sidebar-step{width:18px;height:18px;border-radius:4px;background:#1e1a35;border:1px solid #3a3060;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:500;color:#6b6491;flex-shrink:0}
.sidebar-link.active .sidebar-step{background:#26215C;border-color:#534AB7;color:#a89cf7}
.sidebar-link.done .sidebar-step{background:#085041;border-color:#0f4030;color:#5DCAA5}
.sidebar-link.done{color:#5DCAA5}

/* ── CONTENT AREA ────────────────────────────────────────────────── */
.content{padding:32px 0 0 48px;min-width:0}

/* ── TUTORIAL HEADER ─────────────────────────────────────────────── */
.tut-header{margin-bottom:40px}
.tut-badge-row{display:flex;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.tut-badge{display:inline-block;font-size:11px;font-weight:500;padding:3px 10px;border-radius:5px;background:#1a1530;color:#7F77DD;border:1px solid #3a3060}
.tut-badge.intermediate{background:#0a2018;color:#1D9E75;border-color:#0f4030}
.tut-badge.advanced{background:#1a0a10;color:#D4537E;border-color:#3a1525}
.tut-meta-item{font-size:12px;color:#4a4470;display:flex;align-items:center;gap:5px}
.tut-meta-dot{width:3px;height:3px;border-radius:50%;background:#3a3060}
.tut-title{font-size:36px;font-weight:600;color:#f0ecff;letter-spacing:-0.5px;margin-bottom:12px;line-height:1.2}
.tut-desc{font-size:16px;color:#9d94c4;max-width:620px;line-height:1.7;margin-bottom:24px}

.tut-prereqs{background:#13101f;border:1px solid #2a2440;border-radius:12px;padding:16px 20px;display:flex;align-items:flex-start;gap:12px}
.tut-prereqs-icon{width:32px;height:32px;border-radius:8px;background:#1e1a35;border:1px solid #3a3060;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px}
.tut-prereqs h4{font-size:13px;font-weight:500;color:#e8e4ff;margin-bottom:4px}
.tut-prereqs p{font-size:13px;color:#6b6491;line-height:1.6}
.tut-prereqs a{color:#a89cf7}

/* ── SECTIONS ────────────────────────────────────────────────────── */
.section{margin-bottom:56px;scroll-margin-top:calc(var(--header-h) + 16px)}
/* JS in tutorial.js measures actual header height and overrides this at runtime */
.section-num{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
.sec-badge{width:28px;height:28px;border-radius:7px;background:#26215C;border:1px solid #534AB7;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;color:#a89cf7}
.sec-badge.teal{background:#085041;border-color:#0f4030;color:#5DCAA5}
.sec-label{font-size:12px;font-weight:500;color:#5DCAA5;letter-spacing:1px;text-transform:uppercase}
.section h2{font-size:26px;font-weight:600;color:#f0ecff;letter-spacing:-0.3px;margin-bottom:12px}
.section p{font-size:15px;color:#9d94c4;line-height:1.75;margin-bottom:16px}

/* ── CALLOUTS ────────────────────────────────────────────────────── */
.callout{border-radius:10px;padding:14px 18px;margin:20px 0;display:flex;gap:12px;align-items:flex-start}
.callout-icon{flex-shrink:0;margin-top:1px}
.callout-body{font-size:13px;line-height:1.6}
.callout-body strong{font-weight:500}
.callout-tip{background:#0a2a20;border:1px solid #0f4030;color:#5DCAA5}
.callout-tip .callout-body{color:#5DCAA5}
.callout-info{background:#13101f;border:1px solid #2a2440;color:#9d94c4}
.callout-info .callout-body{color:#9d94c4}
.callout-warn{background:#1a120a;border:1px solid #3a2510;color:#d4a054}
.callout-warn .callout-body{color:#d4a054}
.callout-malena{background:#1a1530;border:1px solid #3a3060;color:#a89cf7}
.callout-malena .callout-body{color:#a89cf7}

/* ── CODE BLOCKS ─────────────────────────────────────────────────── */
.code-block{background:#0c0a18;border:1px solid #2a2440;border-radius:12px;overflow:hidden;margin:20px 0}
.code-block-header{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;border-bottom:1px solid #1e1a35;background:#0f0d1c}
.code-file{font-size:12px;color:#6b6491;font-family:'JetBrains Mono',monospace}
.code-lang{font-size:11px;background:#1e1a35;color:#7F77DD;padding:2px 8px;border-radius:4px}
.code-block pre{padding:20px 24px;font-size:13px;line-height:1.85;overflow-x:auto;color:#c8c4f4}

/* highlight.js overrides to blend with our theme */
.code-block .hljs{background:#0c0a18 !important;padding:20px 24px !important;font-size:13px !important;line-height:1.85 !important;border-radius:0 !important}

/* ── SYNTAX (fallback, no hljs) ──────────────────────────────────── */
.kw{color:#9d8fff;font-weight:500}
.ty{color:#79c7e3}
.fn{color:#a89cf7}
.st{color:#a8e6c6}
.cm{color:#3d3a60;font-style:italic}
.ns{color:#5DCAA5}
.pu{color:#f4c09a}
.pp{color:#c4b8ff}

/* ── INLINE CODE ─────────────────────────────────────────────────── */
.ic,.ic-inline,code:not(pre code){background:#1e1a35;color:#c4b8ff;padding:1px 6px;border-radius:4px;font-size:13px;font-family:'JetBrains Mono',monospace}

/* ── API TABLE ───────────────────────────────────────────────────── */
.api-table{width:100%;border-collapse:collapse;margin:20px 0;font-size:13px}
.api-table th{text-align:left;padding:10px 14px;color:#6b6491;font-weight:500;font-size:12px;border-bottom:1px solid #2a2440;letter-spacing:0.5px}
.api-table td{padding:10px 14px;border-bottom:1px solid #1e1a35;vertical-align:top}
.api-table td:first-child{font-family:'JetBrains Mono',monospace;color:#a89cf7;white-space:nowrap;font-size:12px}
.api-table td:last-child{color:#6b6491;line-height:1.6}
.api-table tr:last-child td{border-bottom:none}
.api-table tr:hover td{background:#0f0d1c}

/* ── COMPARE GRID ────────────────────────────────────────────────── */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0}
.compare-card{background:#13101f;border:1px solid #2a2440;border-radius:12px;overflow:hidden}
.compare-card.highlight{border-color:#534AB7}
.compare-header{padding:12px 16px;border-bottom:1px solid #2a2440;display:flex;align-items:center;gap:8px}
.compare-header h4{font-size:13px;font-weight:500;color:#e8e4ff;margin:0}
.compare-body{padding:14px 16px;font-size:13px;color:#6b6491;line-height:1.65}
.compare-body ul{list-style:none;padding:0}
.compare-body li{padding:3px 0;display:flex;align-items:flex-start;gap:8px}
.compare-body li::before{content:'→';color:#534AB7;flex-shrink:0}

/* ── FEATURE GRID ────────────────────────────────────────────────── */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:20px 0}
.feature-card{background:#13101f;border:1px solid #2a2440;border-radius:12px;padding:18px;transition:border-color 0.2s}
.feature-card:hover{border-color:#534AB7}
.feature-card .fc-icon{font-size:22px;margin-bottom:10px}
.feature-card .fc-title{font-size:14px;font-weight:500;color:#e8e4ff;margin-bottom:6px}
.feature-card .fc-desc{font-size:13px;color:#6b6491;line-height:1.6}

/* ── STEP LIST ───────────────────────────────────────────────────── */
.step-list{display:flex;flex-direction:column;gap:12px;margin:20px 0}
.step-item{display:flex;gap:14px;background:#13101f;border:1px solid #2a2440;border-radius:10px;padding:16px}
.step-num-badge{width:28px;height:28px;border-radius:7px;background:#26215C;border:1px solid #534AB7;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;color:#a89cf7;flex-shrink:0;margin-top:1px}
.step-text h4{font-size:14px;font-weight:500;color:#e8e4ff;margin-bottom:4px}
.step-text p{font-size:13px;color:#6b6491;margin:0;line-height:1.6}

/* ── PILL ROW ────────────────────────────────────────────────────── */
.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}
.pill{display:inline-flex;align-items:center;gap:6px;background:#13101f;border:1px solid #2a2440;border-radius:20px;padding:4px 12px;font-size:12px;color:#9d94c4}
.pill-dot{width:6px;height:6px;border-radius:50%;background:#534AB7}
.pill-dot-teal{background:#5DCAA5}
.pill-dot-blue{background:#378ADD}

/* ── DIVIDER ─────────────────────────────────────────────────────── */
.section-divider{border:none;border-top:1px solid #1e1a35;margin:48px 0}

/* ── NEXT STEPS ──────────────────────────────────────────────────── */
.next-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}
.next-card{background:#13101f;border:1px solid #2a2440;border-radius:12px;padding:18px 20px;cursor:pointer;transition:border-color 0.2s;display:block;text-decoration:none}
.next-card:hover{border-color:#534AB7}
.next-card-label{font-size:11px;color:#4a4470;text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}
.next-card h4{font-size:14px;font-weight:500;color:#e8e4ff;margin-bottom:4px}
.next-card p{font-size:13px;color:#6b6491;line-height:1.5}
.next-card-arrow{margin-top:12px;font-size:13px;color:#534AB7}

/* ── COMPLETE BANNER ─────────────────────────────────────────────── */
.complete-banner{background:#0a2a20;border:1px solid #0f4030;border-radius:12px;padding:20px 24px;display:flex;align-items:center;gap:16px;margin-top:40px}
.complete-icon{width:40px;height:40px;border-radius:10px;background:#085041;border:1px solid #0f4030;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.complete-text h3{font-size:15px;font-weight:500;color:#5DCAA5;margin-bottom:3px}
.complete-text p{font-size:13px;color:#1D9E75}

/* ── ENUM GRID ───────────────────────────────────────────────────── */
.enum-grid{display:grid;grid-template-columns:auto 1fr auto;gap:0;border:1px solid #2a2440;border-radius:10px;overflow:hidden;margin:16px 0;font-size:13px}
.enum-row{display:contents}
.enum-row > *{padding:9px 14px;border-bottom:1px solid #1e1a35;line-height:1.4}
.enum-row:last-child > *{border-bottom:none}
.enum-row:nth-child(even) > *{background:rgba(19,16,31,0.6)}
.enum-name{font-family:'JetBrains Mono',monospace;color:#a89cf7;white-space:nowrap}
.enum-desc{color:#6b6491}
.enum-cat{font-family:'JetBrains Mono',monospace;font-size:11px;color:#4a4470;text-align:right}

/* ── FILE TREE ───────────────────────────────────────────────────── */
.file-tree{background:#0c0a18;border:1px solid #2a2440;border-radius:10px;padding:20px;font-family:'JetBrains Mono',monospace;font-size:13px;line-height:2;color:#6b6491}
.file-tree .dir{color:#79c7e3}
.file-tree .file{color:#a89cf7}
.file-tree .file.new{color:#5DCAA5}
.file-tree .comment{color:#3d3a60;font-size:11px}

/* ── RESPONSIVE ──────────────────────────────────────────────────── */
@media(max-width:960px){
  .nav{padding:14px 24px}
  .nav-links{display:none}
  .tutorial-subnav{padding:10px 24px;gap:4px;flex-wrap:wrap}
  .breadcrumb{padding:16px 24px}
  .layout{grid-template-columns:1fr;padding:0 24px 60px}
  .sidebar{display:none}
  .content{padding:24px 0 0}
  .compare{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr 1fr}
  .next-grid{grid-template-columns:1fr}
}