/* ============================================================
   GameStar365 Player Web V2 — Documentation Styles
   Perfected responsive + dark/light — mirrors src/styles/globals.css
   Deep navy #102979 / Hot pink #e91e8c / Gold #ffd700 / Glass
   ============================================================ */
:root{
  --color-primary:#e91e8c;--color-primary-hover:#c91678;--color-primary-active:#a81264;
  --color-secondary:#1a3fa0;--color-filterbar:#1944BB;--color-accent:#ffd700;--color-accent-hover:#e6c200;
  --color-bg:#102979;--color-bg-deep:#091535;--color-surface:#112265;--color-surface-raised:#162d80;
  --color-surface-overlay:#1a3599;--color-surface-glass:rgba(22,45,128,0.6);
  --color-text-primary:#ffffff;--color-text-secondary:rgba(255,255,255,0.75);--color-text-muted:rgba(255,255,255,0.45);
  --color-border:rgba(255,255,255,0.08);--color-border-strong:rgba(255,255,255,0.15);
  --color-success:#00c853;--color-error:#ff3d3d;--color-warning:#ff9800;--color-info:#29b6f6;
  --code-bg:#0a1438;--code-text:#e2e8ff;--code-border:rgba(255,255,255,0.08);
  --font-display:"Space Grotesk", system-ui, sans-serif;
  --font-body:"Inter","Noto Sans Thai",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",monospace;
  --radius:16px;--radius-lg:20px;--radius-full:9999px;
  --sidebar-w:300px;--header-h:64px;--max-w:1280px;
  --shadow-card:0 8px 32px rgba(0,0,0,0.35);--shadow-glow:0 4px 24px rgba(233,30,140,0.35);
  --transition: 0.2s cubic-bezier(0.16,1,0.3,1);
}
[data-theme="light"]{
  --color-bg:#f0f4ff;--color-bg-deep:#e8eeff;--color-surface:#ffffff;--color-surface-raised:#f8faff;
  --color-surface-overlay:#eef2ff;--color-text-primary:#0d1b4b;--color-text-secondary:rgba(13,27,75,0.72);
  --color-text-muted:rgba(13,27,75,0.45);--color-border:rgba(13,27,75,0.08);--color-border-strong:rgba(13,27,75,0.16);
  --color-surface-glass:rgba(255,255,255,0.85);
  --shadow-card:0 8px 32px rgba(13,27,75,0.08);--shadow-glow:0 4px 16px rgba(233,30,140,0.2);
  --code-bg:#0d1b4b;--code-text:#e2e8ff;--code-border:rgba(13,27,75,0.12);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  font-family:var(--font-body);background:var(--color-bg);color:var(--color-text-primary);
  line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased;
  transition: background-color var(--transition), color var(--transition);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.15);border-radius:999px}
[data-theme="light"] ::-webkit-scrollbar-thumb{background:rgba(13,27,75,0.15)}
::-webkit-scrollbar-track{background:transparent}
/* selection */
::selection{background:var(--color-primary);color:#fff}
/* ===== Topbar — perfect dual theme ===== */
.topbar{
  position:sticky;top:0;z-index:100;height:var(--header-h);
  background:linear-gradient(180deg,#1944BB 0%, #13308a 60%, #102979 100%);
  border-bottom:1px solid rgba(255,255,255,0.08);
  box-shadow:0 4px 24px rgba(0,0,0,0.28), 0 1px 0 rgba(255,255,255,0.06) inset;
  backdrop-filter:blur(16px) saturate(1.2);-webkit-backdrop-filter:blur(16px) saturate(1.2);
  display:flex;align-items:center;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.topbar::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(600px 120px at 20% 0%, rgba(255,255,255,0.06) 0%, transparent 60%);
}
[data-theme="light"] .topbar{
  background:rgba(255,255,255,0.92);
  border-bottom:1px solid rgba(13,27,75,0.08);
  box-shadow:0 4px 24px rgba(13,27,75,0.06), 0 1px 0 rgba(255,255,255,0.9) inset;
  backdrop-filter:blur(20px) saturate(1.1);-webkit-backdrop-filter:blur(20px) saturate(1.1);
}
[data-theme="light"] .topbar::after{
  background:radial-gradient(500px 100px at 15% 0%, rgba(233,30,140,0.04) 0%, transparent 60%);
}
.topbar-inner{max-width:var(--max-w);width:100%;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;min-width:0;position:relative;z-index:1}
.brand{display:flex;align-items:center;gap:12px;min-width:0;flex-shrink:1}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  background:radial-gradient(120% 120% at 30% 20%,#ff4db8 0%,var(--color-primary) 50%,#a81264 100%);
  display:grid;place-items:center;box-shadow:0 4px 16px rgba(233,30,140,0.35), 0 1px 0 rgba(255,255,255,0.15) inset;
  font-weight:800;font-size:18px;letter-spacing:-0.5px;color:#fff;
  border:1px solid rgba(255,255,255,0.12);
}
[data-theme="light"] .brand-mark{box-shadow:0 4px 16px rgba(233,30,140,0.25)}
.brand-text{min-width:0}
.brand-text h1{font-family:var(--font-display);font-weight:700;font-size:18px;line-height:1;letter-spacing:-0.5px;white-space:nowrap;color:#fff;transition:color var(--transition)}
[data-theme="light"] .brand-text h1{color:#0d1b4b}
.brand-text p{font-size:11px;letter-spacing:1.2px;text-transform:uppercase;color:rgba(255,255,255,0.75);font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color var(--transition)}
[data-theme="light"] .brand-text p{color:rgba(13,27,75,0.55)}
.top-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;position:relative;z-index:1}
.btn-ghost,.btn-primary{
  height:36px;padding:0 16px;border-radius:9999px;font-size:13px;font-weight:700;
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;transition:all var(--transition);
  letter-spacing:-0.1px;
}
.btn-ghost{
  background:rgba(255,255,255,0.1);color:#fff;border-color:rgba(255,255,255,0.14);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  box-shadow:0 1px 0 rgba(255,255,255,0.06) inset;
}
.btn-ghost:hover{background:rgba(255,255,255,0.16);border-color:rgba(255,255,255,0.2);transform:translateY(-1px);box-shadow:0 4px 16px rgba(0,0,0,0.15)}
.btn-ghost:active{transform:translateY(0)}
[data-theme="light"] .btn-ghost{
  background:rgba(13,27,75,0.06);color:#0d1b4b;border-color:rgba(13,27,75,0.1);
  box-shadow:none;
}
[data-theme="light"] .btn-ghost:hover{background:rgba(13,27,75,0.1);border-color:rgba(13,27,75,0.14);color:#0d1b4b}
.btn-primary{
  background:linear-gradient(135deg,var(--color-primary) 0%, #d3167a 100%);color:#fff;border-color:rgba(255,255,255,0.12);
  box-shadow:0 4px 16px rgba(233,30,140,0.35), 0 1px 0 rgba(255,255,255,0.15) inset;
}
.btn-primary:hover{background:linear-gradient(135deg,var(--color-primary-hover) 0%, #b8126a 100%);transform:translateY(-1px);box-shadow:0 6px 20px rgba(233,30,140,0.4)}
.btn-primary:active{transform:translateY(0)}
.theme-toggle{
  width:36px;height:36px;flex-shrink:0;border-radius:9999px;
  border:1px solid rgba(255,255,255,0.14);background:rgba(255,255,255,0.1);color:#fff;
  display:grid;place-items:center;cursor:pointer;transition:all var(--transition);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.theme-toggle:hover{background:rgba(255,255,255,0.16);border-color:rgba(255,255,255,0.2);transform:rotate(12deg) scale(1.05)}
.theme-toggle:active{transform:scale(0.96)}
[data-theme="light"] .theme-toggle{
  background:rgba(13,27,75,0.06);border-color:rgba(13,27,75,0.1);color:#0d1b4b;
}
[data-theme="light"] .theme-toggle:hover{background:rgba(13,27,75,0.1);color:#0d1b4b;border-color:rgba(13,27,75,0.14)}
.hamburger{
  display:none;width:36px;height:36px;flex-shrink:0;border-radius:10px;
  border:1px solid rgba(255,255,255,0.14);background:rgba(255,255,255,0.1);color:#fff;
  place-items:center;cursor:pointer;transition:all var(--transition);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.hamburger:hover{background:rgba(255,255,255,0.16);border-color:rgba(255,255,255,0.2)}
.hamburger:active{transform:scale(0.96)}
[data-theme="light"] .hamburger{background:rgba(13,27,75,0.06);border-color:rgba(13,27,75,0.1);color:#0d1b4b}
[data-theme="light"] .hamburger:hover{background:rgba(13,27,75,0.1);border-color:rgba(13,27,75,0.14)}
/* Layout */
.layout{max-width:var(--max-w);margin:0 auto;display:flex;gap:24px;padding:24px 20px 48px;align-items:flex-start}
.sidebar{
  width:var(--sidebar-w);flex-shrink:0;position:sticky;top:80px;height:calc(100dvh - 96px);
  overflow:auto;scrollbar-width:thin;overscroll-behavior:contain;
  background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);
  padding:18px 14px;box-shadow:var(--shadow-card);
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.sidebar h3{font-size:11px;letter-spacing:1px;text-transform:uppercase;color:var(--color-text-muted);font-weight:700;margin:14px 8px 8px;transition:color var(--transition)}
.sidebar h3:first-child{margin-top:4px}
.nav{display:flex;flex-direction:column;gap:3px}
.nav a{
  display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:12px;
  font-size:13.5px;color:var(--color-text-secondary);font-weight:500;
  border:1px solid transparent;position:relative;overflow:hidden;
  transition:background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}
.nav a:hover{background:rgba(255,255,255,0.06);color:var(--color-text-primary)}
[data-theme="light"] .nav a:hover{background:rgba(13,27,75,0.06);color:var(--color-text-primary)}
.nav a.active{
  background:linear-gradient(160deg,#ff0099 0%, #520132 100%);
  color:#fff;border:none;
  box-shadow:0 4px 16px rgba(233,30,140,0.3);
  font-weight:700;
}
.nav a.active svg{color:#fff;opacity:1}
.nav a svg{width:16px;height:16px;opacity:0.85;flex-shrink:0;transition:color 0.25s ease, opacity 0.25s ease}
.nav a.active .toc-badge{background:rgba(255,255,255,0.2);color:#fff;border:1px solid rgba(255,255,255,0.2)}
.toc-badge{margin-left:auto;font-size:10px;padding:2px 6px;border-radius:9999px;background:rgba(255,255,255,0.1);color:var(--color-text-muted);font-weight:700;flex-shrink:0}
[data-theme="light"] .toc-badge{background:rgba(13,27,75,0.06)}
.content{flex:1;min-width:0;max-width:100%}
/* Hero */
.hero{
  background:linear-gradient(135deg,var(--color-surface) 0%,#1a2f8a 60%,#0e1a5a 100%);
  border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;position:relative;
  box-shadow:var(--shadow-card);transition: all var(--transition);
}
[data-theme="light"] .hero{
  background:linear-gradient(135deg,#ffffff 0%,#e8eeff 60%,#dbe4ff 100%);
  border-color:var(--color-border);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 300px at 20% 0%,rgba(233,30,140,0.25) 0%,transparent 60%),radial-gradient(500px 400px at 95% 40%,rgba(255,215,0,0.18) 0%,transparent 60%);
  pointer-events:none;transition:opacity var(--transition);
}
[data-theme="light"] .hero::before{opacity:0.6}
.hero-inner{position:relative;padding:32px 28px 26px;display:grid;grid-template-columns:1.2fr 0.85fr;gap:20px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:9999px;background:rgba(255,255,255,0.08);border:1px solid var(--color-border);font-size:11px;font-weight:700;letter-spacing:0.8px;text-transform:uppercase;color:var(--color-accent);flex-wrap:wrap}
[data-theme="light"] .eyebrow{background:rgba(13,27,75,0.06);border-color:var(--color-border);color:#b45309}
.eyebrow-dot{width:8px;height:8px;border-radius:50%;background:var(--color-success);box-shadow:0 0 10px rgba(0,200,83,0.7);flex-shrink:0;animation:pulseDot 2s infinite}
@keyframes pulseDot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:0.7;transform:scale(0.9)}}
.hero h2{font-family:var(--font-display);font-size:clamp(26px, 3.6vw, 40px);line-height:0.95;letter-spacing:-1.5px;margin:14px 0 12px;overflow-wrap:break-word}
.hero h2 span{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
[data-theme="light"] .hero h2{color:var(--color-text-primary)}
.hero p{color:var(--color-text-secondary);font-size:14.5px;max-width:560px;overflow-wrap:break-word}
[data-theme="light"] .hero p{color:var(--color-text-secondary)}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}
.stat{background:rgba(255,255,255,0.06);border:1px solid var(--color-border);border-radius:14px;padding:12px;text-align:center;backdrop-filter:blur(8px);transition: all var(--transition)}
[data-theme="light"] .stat{background:rgba(255,255,255,0.8);border-color:var(--color-border);box-shadow:0 2px 12px rgba(13,27,75,0.06)}
.stat strong{display:block;font-size:18px;line-height:1}
.stat span{font-size:11px;color:var(--color-text-muted);letter-spacing:0.4px;text-transform:uppercase;font-weight:700}
.hero-card{
  background:rgba(255,255,255,0.06);border:1px solid var(--color-border);border-radius:16px;
  padding:16px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  display:flex;flex-direction:column;gap:12px;transition: all var(--transition);
}
[data-theme="light"] .hero-card{background:rgba(255,255,255,0.9);border-color:var(--color-border-strong);box-shadow:0 8px 24px rgba(13,27,75,0.08)}
.hero-card-head{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}
.hero-card-head h4{font-size:13px;font-weight:700}
.badge-live{font-size:11px;font-weight:800;letter-spacing:0.8px;text-transform:uppercase;padding:5px 9px;border-radius:9999px;background:var(--color-success);color:#fff;white-space:nowrap}
.code-mini{
  background:var(--code-bg);color:var(--code-text);border:1px solid var(--code-border);
  border-radius:12px;padding:12px;font-family:var(--font-mono);font-size:12px;line-height:1.6;overflow:auto;
  word-break:break-all;transition: all var(--transition);
}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.badge{
  font-size:12px;font-weight:700;padding:6px 10px;border-radius:9999px;
  background:rgba(255,255,255,0.08);border:1px solid var(--color-border);color:var(--color-text-secondary);
  transition: all var(--transition);white-space:nowrap;
}
[data-theme="light"] .badge{background:rgba(13,27,75,0.06);border-color:var(--color-border);color:var(--color-text-secondary)}
.badge.primary{background:var(--color-primary);color:#fff;border-color:transparent}
.badge.gold{background:linear-gradient(135deg,#ffd700,#ffb700);color:#3a2600;border-color:transparent}
.badge.blue{background:#1a3fa0;color:#fff;border-color:transparent}
/* Sections */
.section{
  margin-top:18px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);
  padding:22px;box-shadow:var(--shadow-card);transition: all var(--transition);
}
.section:hover{border-color:var(--color-border-strong)}
.section-head{display:flex;align-items:flex-start;gap:12px;margin-bottom:14px;padding-bottom:14px;border-bottom:1px solid var(--color-border);transition:border-color var(--transition)}
.icon-box{
  width:40px;height:40px;flex-shrink:0;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(233,30,140,0.18),rgba(255,215,0,0.18));border:1px solid var(--color-border);color:var(--color-primary);
}
[data-theme="light"] .icon-box{background:linear-gradient(135deg,rgba(233,30,140,0.1),rgba(255,215,0,0.12));border-color:var(--color-border)}
.section-head h3{font-family:var(--font-display);font-size:20px;letter-spacing:-0.6px;line-height:1;overflow-wrap:break-word}
.section-head p{font-size:13px;color:var(--color-text-muted);overflow-wrap:break-word}
.section-head div{min-width:0}
.lead{color:var(--color-text-secondary);font-size:14.5px;overflow-wrap:break-word}
h4{font-size:15px;margin:16px 0 8px;letter-spacing:-0.2px;overflow-wrap:break-word}
p{font-size:14px;color:var(--color-text-secondary);overflow-wrap:break-word}
ul{padding-left:18px}
li{font-size:14px;color:var(--color-text-secondary);margin:6px 0;overflow-wrap:break-word}
li strong{color:var(--color-text-primary)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.feature-card{
  background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:14px;
  padding:14px;transition:all var(--transition);
}
.feature-card:hover{transform:translateY(-2px);border-color:var(--color-border-strong);box-shadow:var(--shadow-card)}
[data-theme="light"] .feature-card:hover{box-shadow:0 8px 24px rgba(13,27,75,0.08)}
.feature-card h5{font-size:14px;margin:8px 0 6px;overflow-wrap:break-word}
.feature-card p{font-size:13px}
.feature-icon{
  width:36px;height:36px;flex-shrink:0;border-radius:10px;display:grid;place-items:center;
  background:rgba(233,30,140,0.14);color:var(--color-primary);border:1px solid rgba(233,30,140,0.2);
}
[data-theme="light"] .feature-icon{background:rgba(233,30,140,0.08);border-color:rgba(233,30,140,0.15)}
.tech-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.tech-card{background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:14px;padding:14px;text-align:center;transition:all var(--transition)}
.tech-card:hover{transform:translateY(-1px);border-color:var(--color-border-strong)}
.tech-card strong{font-size:13px;display:block;overflow-wrap:break-word}
.tech-card span{font-size:11px;color:var(--color-text-muted);font-weight:700;letter-spacing:0.5px;text-transform:uppercase}
.arch-diagram{display:grid;grid-template-columns:1fr 40px 1fr 40px 1fr;align-items:stretch;gap:8px;margin:16px 0}
.arch-box{
  background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:14px;
  padding:12px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  transition:all var(--transition);
}
.arch-box h5{font-size:13px;overflow-wrap:break-word}
.arch-box p{font-size:11px;line-height:1.4}
.arch-arrow{display:grid;place-items:center;color:var(--color-accent);font-weight:800;font-size:18px}
.folder-tree{
  font-family:var(--font-mono);font-size:12px;line-height:1.7;background:var(--code-bg);color:#cfe0ff;
  border:1px solid var(--code-border);border-radius:14px;padding:14px;overflow:auto;
  -webkit-overflow-scrolling:touch;transition: all var(--transition);
}
[data-theme="light"] .folder-tree{color:#b8d0ff}
.tree-folder{color:#ffd700}
.tree-file{color:#7dd3ff}
[data-theme="light"] .tree-folder{color:#b8930a}
[data-theme="light"] .tree-file{color:#5a9bd4}
.code-block{
  position:relative;background:var(--code-bg);border:1px solid var(--code-border);border-radius:14px;
  overflow:hidden;margin:12px 0;transition: all var(--transition);
}
.code-head{
  display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;
  padding:8px 12px;background:rgba(255,255,255,0.06);border-bottom:1px solid rgba(255,255,255,0.06);
  font-family:var(--font-mono);font-size:11px;color:var(--color-text-secondary);letter-spacing:0.5px;text-transform:uppercase;font-weight:700;
}
[data-theme="light"] .code-head{background:rgba(13,27,75,0.04);border-bottom-color:rgba(13,27,75,0.08);color:var(--color-text-muted)}
.code-head button{
  font-family:var(--font-body);font-size:11px;font-weight:700;padding:6px 10px;border-radius:9999px;
  border:1px solid rgba(255,255,255,0.12);background:rgba(255,255,255,0.08);color:#fff;cursor:pointer;transition:all var(--transition);white-space:nowrap;
}
[data-theme="light"] .code-head button{background:var(--color-surface);border-color:var(--color-border);color:var(--color-text-primary)}
.code-head button:hover{background:var(--color-primary);border-color:transparent;color:#fff}
.code-body{padding:14px;overflow:auto;-webkit-overflow-scrolling:touch}
.code-body pre{font-family:var(--font-mono);font-size:12.5px;line-height:1.6;color:var(--code-text);white-space:pre}
.table-wrap{overflow:auto;border:1px solid var(--color-border);border-radius:14px;margin:12px 0;-webkit-overflow-scrolling:touch;transition:border-color var(--transition)}
/* scroll shadow hint */
.table-wrap::-webkit-scrollbar{height:6px}
table{width:100%;border-collapse:collapse;min-width:560px}
th{
  font-size:11px;letter-spacing:0.7px;text-transform:uppercase;font-weight:800;color:var(--color-text-muted);
  text-align:left;padding:10px 12px;background:var(--color-surface-raised);border-bottom:1px solid var(--color-border);white-space:nowrap;
  transition: all var(--transition);
}
td{font-size:13px;padding:10px 12px;border-bottom:1px solid var(--color-border);color:var(--color-text-secondary);transition:border-color var(--transition)}
td:first-child{color:var(--color-text-primary);font-weight:600}
.env-key{
  font-family:var(--font-mono);font-size:12px;background:rgba(255,255,255,0.06);padding:2px 6px;border-radius:6px;
  border:1px solid var(--color-border);word-break:break-all;transition: all var(--transition);
}
[data-theme="light"] .env-key{background:rgba(13,27,75,0.06);border-color:var(--color-border);color:var(--color-text-primary)}
.callout{border:1px solid var(--color-border);border-left:4px solid var(--color-primary);background:var(--color-surface-raised);border-radius:12px;padding:12px 14px;margin:12px 0;transition: all var(--transition)}
.callout.blue{border-left-color:var(--color-info)}
.callout.gold{border-left-color:var(--color-accent)}
.callout.green{border-left-color:var(--color-success)}
.kbd{
  font-family:var(--font-mono);font-size:11px;padding:3px 7px;border-radius:6px;
  background:var(--color-surface-raised);border:1px solid var(--color-border);border-bottom-width:2px;white-space:nowrap;
}
.timeline{position:relative;padding-left:22px}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:var(--color-border);border-radius:9999px;transition:background var(--transition)}
.tl-item{position:relative;margin:14px 0;overflow-wrap:break-word}
.tl-item::before{content:"";position:absolute;left:-20px;top:6px;width:10px;height:10px;border-radius:50%;background:var(--color-primary);box-shadow:0 0 0 4px rgba(233,30,140,0.18);border:2px solid #fff;transition:all var(--transition)}
[data-theme="light"] .tl-item::before{border-color:var(--color-surface)}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:800;letter-spacing:0.6px;text-transform:uppercase;padding:5px 8px;border-radius:9999px;background:rgba(255,255,255,0.08);border:1px solid var(--color-border);white-space:nowrap;transition:all var(--transition)}
[data-theme="light"] .chip{background:rgba(13,27,75,0.06);border-color:var(--color-border)}
.chip.pink{background:rgba(233,30,140,0.15);color:#ff7ac4;border-color:rgba(233,30,140,0.25)}
[data-theme="light"] .chip.pink{background:rgba(233,30,140,0.08);color:#c91678;border-color:rgba(233,30,140,0.2)}
.chip.gold{background:rgba(255,215,0,0.15);color:var(--color-accent);border-color:rgba(255,215,0,0.25)}
[data-theme="light"] .chip.gold{background:rgba(255,215,0,0.18);color:#8a6d00;border-color:rgba(255,215,0,0.3)}
.chip.blue{background:rgba(26,63,160,0.2);color:#8fb0ff;border-color:rgba(26,63,160,0.3)}
[data-theme="light"] .chip.blue{background:rgba(26,63,160,0.08);color:#1a3fa0;border-color:rgba(26,63,160,0.15)}
.footer{
  margin-top:22px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);
  padding:18px 22px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;transition: all var(--transition);
}
.footer p{font-size:12px}
.muted{color:var(--color-text-muted)}
/* ===== Premium Mobile Drawer ===== */
.mobile-drawer{
  display:none;position:fixed;inset:0;z-index:90;
  background:rgba(5,12,40,0.55);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  opacity:0;transition:opacity 0.28s ease;
}
[data-theme="light"] .mobile-drawer{background:rgba(13,27,75,0.32)}
.mobile-drawer.open{display:block;opacity:1}
.drawer-panel{
  width:88%;max-width:360px;height:100%;height:100dvh;
  background:linear-gradient(180deg,var(--color-surface) 0%, #0e1e5a 100%);
  border-right:1px solid var(--color-border);
  display:flex;flex-direction:column;overflow:hidden;
  transform:translateX(-100%);transition:transform 0.36s cubic-bezier(0.16,1,0.3,1), background var(--transition);
  box-shadow: 12px 0 48px rgba(0,0,0,0.4);
}
[data-theme="light"] .drawer-panel{
  background:linear-gradient(180deg,#ffffff 0%,#f0f4ff 100%);
  box-shadow: 12px 0 48px rgba(13,27,75,0.12);
}
.mobile-drawer.open .drawer-panel{transform:translateX(0)}
.drawer-header{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:16px 16px 14px;
  background:linear-gradient(135deg,var(--color-filterbar) 0%, #102979 100%);
  border-bottom:1px solid rgba(255,255,255,0.1);
  flex-shrink:0;
}
[data-theme="light"] .drawer-header{
  background:linear-gradient(135deg,#1a3fa0 0%,#1e45b0 100%);
  border-bottom-color:rgba(255,255,255,0.12);
}
.drawer-brand{display:flex;align-items:center;gap:10px;min-width:0}
.drawer-brand-mark{
  width:36px;height:36px;flex-shrink:0;border-radius:10px;
  background:radial-gradient(120% 120% at 30% 20%,#ff4db8 0%,var(--color-primary) 50%,#a81264 100%);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:15px;box-shadow:0 4px 16px rgba(233,30,140,0.35);
}
.drawer-brand-text b{display:block;font-family:var(--font-display);font-size:14px;line-height:1;color:#fff;letter-spacing:-0.3px}
.drawer-brand-text span{display:block;font-size:10px;letter-spacing:1px;text-transform:uppercase;color:rgba(255,255,255,0.75);font-weight:700;margin-top:2px}
.drawer-close{
  width:36px;height:36px;flex-shrink:0;border-radius:9999px;
  border:1px solid rgba(255,255,255,0.18);background:rgba(255,255,255,0.12);
  color:#fff;display:grid;place-items:center;cursor:pointer;transition:all var(--transition);
}
.drawer-close:hover{background:rgba(255,255,255,0.2);transform:rotate(90deg)}
.drawer-close:active{transform:scale(0.95)}
.drawer-scroll{flex:1;overflow:auto;padding:14px 12px 16px;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}
.drawer-scroll::-webkit-scrollbar{width:4px}
.drawer-scroll .sidebar-inner{padding:0;border:none;box-shadow:none;background:transparent;border-radius:0}
.drawer-scroll h3{
  font-size:10px;letter-spacing:1.2px;text-transform:uppercase;color:var(--color-text-muted);font-weight:800;
  margin:18px 8px 8px;padding-bottom:6px;border-bottom:1px solid var(--color-border);
}
.drawer-scroll h3:first-child{margin-top:4px}
.drawer-scroll .nav{gap:3px}
.drawer-scroll .nav a{
  font-size:14px;font-weight:500;padding:10px 12px;border-radius:12px;min-height:44px;
  position:relative;overflow:hidden;transition:background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}
.drawer-scroll .nav a:hover{background:rgba(255,255,255,0.06);color:var(--color-text-primary)}
[data-theme="light"] .drawer-scroll .nav a:hover{background:rgba(13,27,75,0.06);color:var(--color-text-primary)}
.drawer-scroll .nav a.active{
  background:linear-gradient(160deg,#ff0099 0%, #520132 100%);color:#fff;border:none;
  box-shadow:0 4px 16px rgba(233,30,140,0.3);
  font-weight:700;
}
.drawer-scroll .nav a.active svg{color:#fff}
.drawer-scroll .nav a svg{width:18px;height:18px;opacity:0.85;transition:color 0.25s ease, opacity 0.25s ease}
.drawer-footer{
  padding:12px 14px;border-top:1px solid var(--color-border);background:rgba(0,0,0,0.15);flex-shrink:0;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
[data-theme="light"] .drawer-footer{background:rgba(13,27,75,0.03);border-top-color:var(--color-border)}
.drawer-footer-info{font-size:11px;line-height:1.4}
.drawer-footer-info strong{font-size:12px;color:var(--color-text-primary)}
.drawer-footer-info span{color:var(--color-text-muted)}
.drawer-footer-actions{display:flex;gap:8px}
.drawer-footer-actions .btn-ghost,.drawer-footer-actions .btn-primary{height:32px;padding:0 12px;font-size:12px}
.anchor{scroll-margin-top:84px}
/* focus */
:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:4px}
/* =========================================
   RESPONSIVE — Perfect breakpoints
   ========================================= */
/* Large tablet / small desktop */
@media(max-width:1100px){
  :root{--sidebar-w:270px}
  .tech-grid{grid-template-columns:repeat(3,1fr)}
}
/* Tablet — sidebar becomes drawer */
@media(max-width:1024px){
  .layout{padding:20px 16px 40px;gap:20px}
  .hero-inner{padding:28px 22px 22px}
  .section{padding:20px}
}
@media(max-width:960px){
  .hamburger{display:grid}
  .hide-m{display:none !important}
  .sidebar{display:none}
  .layout{padding-top:14px}
  .hero-inner{grid-template-columns:1fr}
  .hero-card{order:-1}
}
@media(max-width:768px){
  :root{--header-h:60px}
  .topbar-inner{padding:0 14px}
  .brand-text h1{font-size:16px}
  .brand-mark{width:36px;height:36px;font-size:16px;border-radius:10px}
  .hero-inner{padding:22px 16px 16px;gap:16px}
  .hero h2{font-size:clamp(24px, 7vw, 32px)}
  .hero p{font-size:14px}
  .hero-stats{gap:8px}
  .stat{padding:10px 8px}
  .stat strong{font-size:16px}
  .section{padding:16px;margin-top:14px;border-radius:16px}
  .section-head{flex-wrap:wrap;gap:10px}
  .section-head h3{font-size:18px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .tech-grid{grid-template-columns:repeat(2,1fr)}
  .arch-diagram{grid-template-columns:1fr;gap:10px}
  .arch-arrow{transform:rotate(90deg);padding:2px 0}
  table{min-width:520px}
  th,td{padding:8px 10px;font-size:12.5px}
  .code-body pre{font-size:12px}
  .folder-tree{font-size:11.5px;padding:12px;border-radius:12px}
  .badges{gap:6px}
  .badge{font-size:11.5px;padding:5px 9px}
  .footer{padding:14px 16px;flex-direction:column;align-items:stretch;text-align:center}
  .footer div:last-child{display:flex;flex-direction:column;gap:8px}
  .footer .btn-ghost,.footer .btn-primary{justify-content:center;width:100%}
}
@media(max-width:640px){
  .layout{padding:12px 12px 32px}
  .hero{border-radius:16px}
  .hero-inner{padding:18px 14px 14px}
  .eyebrow{font-size:10px;padding:5px 10px}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:6px}
  .stat span{font-size:10px}
  .section{padding:14px;border-radius:14px}
  .feature-card,.tech-card{padding:12px;border-radius:12px}
  .code-head{padding:6px 10px;font-size:10px}
  .code-head button{padding:5px 8px;font-size:10px}
  .code-body{padding:10px}
  .table-wrap{margin:10px 0;border-radius:12px}
  .env-key{font-size:11px}
  .callout{padding:10px 12px;border-radius:10px}
  .icon-box{width:36px;height:36px;border-radius:10px}
}
@media(max-width:480px){
  .topbar-inner{gap:8px}
  .brand{gap:8px}
  .brand-text h1{font-size:15px}
  .brand-text p{font-size:10px;letter-spacing:0.8px}
  .hero h2{letter-spacing:-1px}
  .hero-stats{grid-template-columns:repeat(3,1fr)}
  .tech-grid{grid-template-columns:repeat(2,1fr);gap:8px}
  .tech-card{padding:10px}
  .tech-card strong{font-size:12px}
  .badges{gap:6px}
  .section-head h3{font-size:17px}
  .table-wrap{border-radius:10px}
  table{min-width:500px}
}
@media(max-width:375px){
  .hero-stats{grid-template-columns:1fr 1fr 1fr;gap:6px}
  .stat{padding:8px 6px}
  .brand-text p{display:none}
  .tech-grid{grid-template-columns:1fr 1fr}
}
/* Print */
@media print{
  .topbar,.sidebar,.mobile-drawer,.theme-toggle,.hamburger{display:none !important}
  .layout{padding:0}
  .hero::before{display:none}
  .section{break-inside:avoid;box-shadow:none}
  body{background:#fff;color:#000}
}
/* Reduced motion */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}
/* High contrast support */
@media(prefers-contrast:more){
  :root{--color-border:rgba(255,255,255,0.2)}
  [data-theme="light"]{--color-border:rgba(13,27,75,0.18)}
}