/* Premium Dark UI — accent par thème via --brand */
:root{
  --bg:#0b0f17;           /* fond profond */
  --surface:#0f1422;      /* surface principale */
  --surface-2:#0c111a;    /* surface empilée */
  --border:#1e2633;       /* hairline */
  --text:#e6e9ef;
  --muted:#9aa3b2;
  --brand:#8b5cf6;        /* accent par défaut (violet) */
  --brand-soft: color-mix(in srgb, var(--brand) 45%, #ffffff 0%);
  --brand-strong: color-mix(in srgb, var(--brand) 80%, #000 0%);
}

/* Accent par data-theme (hérite de build THEME) */
:root[data-theme="green"] { --brand:#22c55e; }
:root[data-theme="purple"]{ --brand:#8b5cf6; }
:root[data-theme="orange"]{ --brand:#fb923c; }
:root[data-theme="dark"]  { --brand:#38bdf8; }
:root[data-theme="pink"]  { --brand:#f472b6; }

/* Base */
*{box-sizing:border-box;margin:0;padding:0}
html{overflow-y:scroll}
body{font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; background:var(--bg); color:var(--text); line-height:1.7; -webkit-font-smoothing:antialiased}
/* Subtle global vignette */
body::before{content:""; position:fixed; inset:-10%; pointer-events:none; background:
  radial-gradient(1200px 600px at 10% -10%, color-mix(in srgb, var(--brand) 14%, transparent), transparent 60%),
  radial-gradient(1000px 500px at 90% -5%, color-mix(in srgb, var(--brand) 10%, transparent), transparent 60%);
  filter: blur(20px); opacity:.35; z-index:-1}
/* Animated aurora glow */
body::after{content:""; position:fixed; inset:-20%; pointer-events:none; z-index:-1; opacity:.22; filter: blur(50px);
  background:
    radial-gradient(600px 280px at 15% 10%, var(--brand-strong), transparent 60%),
    radial-gradient(700px 300px at 85% 5%, var(--brand-soft), transparent 60%),
    url("data:image/svg+xml;base64,PHN2ZyB3aWR0aD0nNDAnIGhlaWdodD0nNDAnIHhtbG5zPSdodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2Zyc+PGNpcmNsZSBjeD0nMicgY3k9JzInIHI9JzEnIGZpbGw9J3JnYmEoMjU1LDI1NSwyNTUsMC4wMiknLz48Y2lyY2xlIGN4PScyMCcgY3k9JzEyJyByPScxJyBmaWxsPSdyZ2JhKDI1NSwyNTUsMjU1LDAuMDE1KScvPjxjaXJjbGUgY3g9JzMwJyBjeT0nMzAnIHI9JzEnIGZpbGw9J3JnYmEoMjU1LDI1NSwyNTUsMC4wMiknLz48L3N2Zz4=") repeat;
  animation: aurora 16s ease-in-out infinite alternate;}
@keyframes aurora{ 0%{ transform: translateY(0) } 100%{ transform: translateY(2.5%) scale(1.02) } }

/* Navbar */
.navbar{position:sticky;top:0;z-index:1000;background:linear-gradient(180deg, rgba(13,17,26,.9), rgba(13,17,26,.7));backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.nav-container{max-width:1180px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:10px}
.logo h1{font-size:1.1rem;margin:0;color:#fff;font-weight:700;overflow-wrap:anywhere}
.brand-badge{display:inline-flex;align-items:center;justify-content:center;min-width:28px;height:28px;padding:0 6px;border-radius:8px;background:color-mix(in srgb, var(--brand) 92%, #000 8%);color:#0b0f17;font-weight:900;letter-spacing:.5px;box-shadow:0 0 0 2px color-mix(in srgb, var(--brand) 45%, transparent), 0 10px 20px rgba(0,0,0,.35)}
/* Mobile base layout for header */
@media (max-width: 560px){
  .nav-container{flex-wrap:wrap;row-gap:8px}
  .logo{justify-content:flex-start;width:auto;flex:1}
  .logo h1{font-size:1rem}
}
.nav-menu{display:flex;gap:14px}
.nav-link{color:var(--muted);text-decoration:none;font-weight:600;font-size:.9rem;padding:8px 12px;border-radius:999px;border:1px solid transparent;transition:background .18s ease, color .18s ease, border-color .18s ease}
.nav-link:hover{color:#fff;border-color:color-mix(in srgb, var(--brand) 45%, transparent);background:color-mix(in srgb, var(--brand) 14%, transparent)}

/* Collapsible mobile nav */
.menu-toggle{display:none;align-items:center;justify-content:center;width:38px;height:34px;border-radius:10px;border:1px solid var(--border);background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.00));color:#fff;cursor:pointer}
.menu-toggle:active{transform:scale(.98)}
.menu-bars{width:18px;height:2px;background:#e6e9ef;position:relative;border-radius:2px;transition:background .2s ease}
.menu-bars::before,.menu-bars::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#e6e9ef;border-radius:2px;transition:transform .2s ease, top .2s ease}
.menu-bars::before{top:-6px}
.menu-bars::after{top:6px}
/* Burger → Close animation */
.menu-toggle.open .menu-bars{background:transparent}
.menu-toggle.open .menu-bars::before{top:0; transform:rotate(45deg)}
.menu-toggle.open .menu-bars::after{top:0; transform:rotate(-45deg)}
@media (max-width:560px){
  .menu-toggle{display:inline-flex}
  .nav-menu{width:100%;justify-content:center;flex-direction:column;gap:6px;max-height:0;overflow:hidden;opacity:0;padding-top:0;transition:max-height .2s ease, opacity .2s ease, padding .2s ease}
  .nav-menu.open{max-height:120px;opacity:1;padding-top:6px}
  .nav-link{display:block;text-align:center;padding:12px}
}

/* Hero */
.hero{padding:56px 0; background: radial-gradient(800px 360px at 20% 0%, color-mix(in srgb, var(--brand) 10%, transparent), transparent 60%)}
.hero-inner{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1.2fr .8fr;gap:22px;padding:0 20px}
@media (max-width: 960px){ .hero-inner{grid-template-columns:1fr} }
.hero-title{font-size:clamp(2.1rem,4.6vw,3.8rem);line-height:1.1;font-weight:800;letter-spacing:.1px}
.hero-title .accent{background: linear-gradient(90deg, var(--brand), color-mix(in srgb, var(--brand) 60%, #ffffff 0%)); -webkit-background-clip:text; background-clip:text; color:transparent; text-shadow:0 6px 28px color-mix(in srgb, var(--brand) 30%, transparent)}
.hero-sub{color:var(--muted);margin-top:10px;max-width:720px}
.cta-row{display:flex;gap:12px;margin-top:18px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 16px;border-radius:14px;text-decoration:none;font-weight:800;letter-spacing:.1px}
.btn-primary{background:color-mix(in srgb, var(--brand) 92%, #000 8%);color:#0b0f17; box-shadow:
  0 0 0 2px color-mix(in srgb, var(--brand) 55%, transparent),
  0 12px 28px color-mix(in srgb, var(--brand) 22%, #000 0%)}
.btn-primary:hover{filter:saturate(1.08); transform:translateY(-1px)}
.btn-ghost{border:1px solid var(--border);color:var(--text); background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.00))}
.btn-ghost:hover{border-color:color-mix(in srgb, var(--brand) 40%, var(--border) 60%); background:color-mix(in srgb, var(--brand) 10%, transparent)}

/* Hero right info cards */
.info-col{display:flex;flex-direction:column;gap:14px}
.info-card{background:linear-gradient(180deg, var(--surface), var(--surface-2));border:1px solid var(--border);border-radius:14px;box-shadow:0 10px 28px rgba(0,0,0,.25), 0 0 0 1px color-mix(in srgb, var(--brand) 12%, transparent);padding:16px}
.info-card{position:relative}
.info-card::before{content:""; position:absolute; inset:0; border-radius:inherit; padding:1px; background:linear-gradient(135deg, color-mix(in srgb, var(--brand) 55%, transparent), transparent 35%, color-mix(in srgb, var(--brand) 28%, transparent));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; opacity:.35; pointer-events:none}
.info-card h3{font-size:1rem;margin:0 0 6px;color:#fff}
.info-card p{color:var(--muted);font-size:.95rem}

/* Sections */
.container{max-width:1180px;margin:0 auto;padding:0 20px}
.section{margin:26px 0 10px;display:flex;align-items:baseline;justify-content:space-between}
.section h2{font-size:1.3rem}
.pill{border:1px solid var(--border);border-radius:999px;padding:6px 12px;color:var(--muted);background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0)); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--brand) 12%, transparent)}

/* Article grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media (max-width: 960px){ .hero-inner{grid-template-columns:1fr} .grid{grid-template-columns:1fr 1fr} }
@media (max-width: 640px){ .grid{grid-template-columns:1fr} }

.card{background:linear-gradient(180deg, var(--surface), var(--surface-2));border:1px solid var(--border);border-radius:16px;overflow:hidden;box-shadow:
  0 12px 32px rgba(0,0,0,.25), 0 0 0 1px color-mix(in srgb, var(--brand) 10%, transparent);transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease; position:relative}
.card::before{content:""; position:absolute; inset:0; border-radius:inherit; padding:1px; background:
  conic-gradient(from 0deg, color-mix(in srgb, var(--brand) 60%, transparent), transparent 35%, color-mix(in srgb, var(--brand) 30%, transparent));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; opacity:.32; pointer-events:none; transition:opacity .18s ease}
.grid .card:first-child::before{animation: spin 8s linear infinite}
@keyframes spin{to{transform: rotate(1turn)}}
.card:hover{transform:translateY(-3px);box-shadow:0 18px 46px rgba(0,0,0,.34), 0 0 0 1px color-mix(in srgb, var(--brand) 18%, transparent)}
.card:hover::before{opacity:.55}
.card img{width:100%;height:auto;display:block;object-fit:cover}
.card:hover img{transform:scale(1.03)}
.card img{transition:transform .25s ease}
.card-overlay-link{position:absolute; inset:0; z-index:2}
.badge-featured{position:absolute; z-index:3; top:10px; left:10px; padding:6px 10px; border-radius:999px; font-weight:700; font-size:.8rem; color:#0b0f17;
  background: color-mix(in srgb, var(--brand) 94%, #000 6%); box-shadow: 0 0 0 2px color-mix(in srgb, var(--brand) 45%, transparent), 0 8px 20px color-mix(in srgb, var(--brand) 25%, #000 0%)}
.card-body{padding:16px 16px 18px}
.card h3{font-size:1.05rem;margin:0 0 8px}
.card a{color:#fff;text-decoration:none}
.card a:hover{text-decoration:underline;color:var(--brand); text-shadow:0 2px 18px color-mix(in srgb, var(--brand) 30%, transparent)}
.meta{color:var(--muted);font-size:.9rem}

/* Post navigation and related */
.post-navigation{display:flex;gap:20px;justify-content:space-between;margin:44px 0}
.post-navigation .nav-next:only-child{margin-left:auto}
.nav-card{display:flex;align-items:stretch;width:48%;text-decoration:none;border:1px solid var(--border);border-radius:14px;overflow:hidden;background:linear-gradient(180deg, var(--surface), var(--surface-2));box-shadow:0 10px 28px rgba(0,0,0,.22), 0 0 0 1px color-mix(in srgb, var(--brand) 10%, transparent); position:relative; backdrop-filter:saturate(140%) blur(6px)}
.nav-next{flex-direction:row-reverse}
.nav-card::before{content:""; position:absolute; inset:0; border-radius:inherit; padding:1px; background:linear-gradient(135deg, color-mix(in srgb, var(--brand) 55%, transparent), transparent 35%, color-mix(in srgb, var(--brand) 28%, transparent));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; opacity:.28; pointer-events:none}
.nav-card{transition:transform .18s ease, box-shadow .18s ease}
.nav-card:hover{transform:translateY(-3px);box-shadow:0 18px 46px rgba(0,0,0,.34), 0 0 0 1px color-mix(in srgb, var(--brand) 18%, transparent)}
.nav-card:hover::before{opacity:.5}
.nav-card img{width:120px;height:100%;object-fit:cover;display:block}
.nav-text{padding:12px 14px; flex:1 1 auto}
.nav-label{color:var(--muted);font-size:.85rem}
.nav-card h4{color:#fff;margin:2px 0 0}
.nav-next .nav-text{text-align:right;margin-left:0}

.related-posts{margin-top:50px}
.related-row{display:flex;gap:20px;justify-content:space-between}
.related-row .card{width:48%}
@media (max-width:768px){.related-row{flex-direction:column}.related-row .card{width:100%}}

/* Stats strip */
.stats-row{display:none}

/* Tool card (hero right) */
.tool-card{background:linear-gradient(180deg, var(--surface), var(--surface-2));border:1px solid var(--border);border-radius:14px;box-shadow:0 10px 28px rgba(0,0,0,.25), 0 0 0 1px color-mix(in srgb, var(--brand) 12%, transparent); padding:16px}
.tool-card h3{margin:0 0 6px;color:#fff}
.tool-sub{color:var(--muted);margin:0 0 12px;font-size:.95rem}
.tool-card label{display:block;color:var(--muted);font-size:.9rem;margin:6px 0 6px}
.tool-card input{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:#0b0f17;color:#fff;outline:none}
.tool-card input:focus{border-color:color-mix(in srgb, var(--brand) 40%, var(--border) 60%)}
.tool-row{display:flex;justify-content:space-between;gap:8px;margin-top:10px;color:var(--muted);font-size:.95rem}
.tool-value{color:#fff;font-weight:700;max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* Search results styling */
.search-results{list-style:none;margin:0;padding:0;border:1px solid var(--border);border-radius:10px;overflow:auto;max-height:220px;background:linear-gradient(180deg, var(--surface), var(--surface-2));}
.search-results li{list-style:none;margin:0;padding:0}
.search-item a{display:block;padding:10px 12px;color:#fff;text-decoration:none}
.search-item a:hover{background:color-mix(in srgb, var(--brand) 12%, transparent)}
.search-empty{padding:10px 12px;color:var(--muted);font-size:.92rem}

/* Amazon row */
.amazon-row{display:flex;justify-content:space-between;gap:8px;margin-top:10px;align-items:center}
.amazon-row a{color:var(--brand);text-decoration:none;font-weight:700}
.amazon-row a:hover{text-decoration:underline}

/* Revenue card (optional CTA) */
.revenue-card{margin-top:12px;padding:14px;border:1px solid var(--border);border-radius:14px;background:linear-gradient(180deg, var(--surface), var(--surface-2));box-shadow:0 8px 22px rgba(0,0,0,.22), 0 0 0 1px color-mix(in srgb, var(--brand) 10%, transparent)}
.revenue-card .btn{display:inline-block;margin-top:8px;padding:10px 12px;border-radius:12px;text-decoration:none;font-weight:800;letter-spacing:.1px}
.revenue-card .btn-primary{background:color-mix(in srgb, var(--brand) 92%, #000 8%);color:#0b0f17}
.revenue-card .btn-ghost{border:1px solid var(--border);color:#fff;margin-left:8px}

/* Article content spacing */
.article-content{color:var(--text);}
.article-content p{margin:0 0 14px}
.article-content h2{margin:22px 0 10px;line-height:1.25}
.article-content h3{margin:18px 0 8px;line-height:1.3}
.article-content h4, .article-content h5, .article-content h6{margin:14px 0 8px;line-height:1.35}
.article-content ul, .article-content ol{margin:10px 0 14px;padding-left:2rem; list-style-position:outside}
.article-content li{margin:6px 0}
.article-content img{margin:12px 0;border-radius:8px;display:block}

/* Mobile adaptations */
@media (max-width: 700px){
  .post-navigation{flex-direction:column;gap:14px}
  .nav-card{width:100%}
  .nav-card img{width:100%;height:140px}
  .nav-next{flex-direction:column}
  .nav-next .nav-text{text-align:left}
}

/* Appear animations */
@media (prefers-reduced-motion: no-preference){
  .grid .card{opacity:0; transform: translateY(8px); animation: riseIn .5s ease forwards}
  .grid .card:nth-child(1){animation-delay:.05s}
  .grid .card:nth-child(2){animation-delay:.1s}
  .grid .card:nth-child(3){animation-delay:.15s}
  .grid .card:nth-child(4){animation-delay:.2s}
  .grid .card:nth-child(5){animation-delay:.25s}
  .grid .card:nth-child(6){animation-delay:.3s}
}
@keyframes riseIn { to { opacity:1; transform:none } }

/* Featured layout */
.featured{margin: 10px 0 8px}
.featured-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
.stack{display:flex;flex-direction:column;gap:22px}
.featured-card.large img{height:100%;object-fit:cover}
@media (max-width: 900px){ .featured-grid{grid-template-columns:1fr} }

/* Footer */
footer{margin:64px 0 24px;text-align:center;color:var(--muted)}