/* ACCID Default Theme */
:root{--c:#4a9eff;--bg:#fff;--text:#222;--muted:#666;--border:#e5e7eb;--max:1200px;--nav-bg:#1a1a2e;--nav-dropdown-bg:#1e1e30}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font-body,system-ui,-apple-system,sans-serif);line-height:var(--lh,1.6);color:var(--text);background:var(--bg)}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}
header{background:var(--nav-bg);color:#fff}
main{padding:40px 0;min-height:60vh}
h1{font-size:2.5rem;margin-bottom:16px}
h2{font-size:1.75rem;margin:32px 0 16px}
p{margin-bottom:16px}
a{color:var(--c)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px;margin:32px 0}
.card{border:1px solid var(--border);border-radius:12px;padding:24px;transition:box-shadow .2s}
.card:hover{box-shadow:0 4px 20px rgba(0,0,0,.1)}
.card h3{margin:0 0 8px}
.card p{color:var(--muted);margin:0}
.meta{color:var(--muted);font-size:14px;margin-bottom:16px}
.search-box{display:flex;gap:12px;margin:24px 0}
.search-box input{flex:1;padding:12px 16px;font-size:16px;border:2px solid var(--border);border-radius:8px}
.search-box input:focus{border-color:var(--c);outline:none}
.tag{display:inline-block;background:#e5e7eb;padding:4px 10px;border-radius:4px;font-size:12px;margin-right:8px;text-decoration:none;color:var(--text)}
footer:not(.site-footer){background:#f3f4f6;padding:40px 0;margin-top:60px;text-align:center;color:var(--muted)}

/* ===== NAV DROPDOWN ===== */

/* Header layout */
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:64px}
.logo{font-size:20px;font-weight:700;color:var(--bg,#fff);text-decoration:none;white-space:nowrap}

/* Hamburger toggle - hidden on desktop */
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;z-index:1001}
.nav-toggle-bar{display:block;width:24px;height:2px;background:var(--bg,#fff);margin:5px 0;transition:transform .3s,opacity .3s}

/* Nav list */
.nav-list{display:flex;list-style:none;margin:0;padding:0;gap:4px;align-items:center}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:4px;color:rgba(255,255,255,.85);text-decoration:none;padding:8px 14px;border-radius:6px;font-size:15px;transition:color .2s,background .2s;white-space:nowrap}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.1)}
.dropdown-arrow{transition:transform .2s;flex-shrink:0}

/* Dropdown menu - desktop */
.dropdown-menu{display:none;position:absolute;top:100%;left:0;min-width:200px;background:var(--nav-dropdown-bg,#1e1e30);border-radius:8px;padding:6px 0;margin-top:4px;box-shadow:0 8px 24px rgba(0,0,0,.25);z-index:1000;list-style:none}
.dropdown-menu li a{display:block;padding:8px 16px;color:rgba(255,255,255,.85);text-decoration:none;font-size:14px;transition:background .15s}
.dropdown-menu li a:hover{background:rgba(255,255,255,.1);color:#fff}

/* Desktop dropdown: show on hover */
.has-dropdown:hover > .dropdown-menu{display:block}
.has-dropdown:hover > .nav-link .dropdown-arrow{transform:rotate(180deg)}

/* Active page highlight */
.nav-link.active{color:#fff;background:rgba(255,255,255,.15)}

/* ===== MOBILE NAV ===== */
@media (max-width: 768px){
    .nav-toggle{display:block}

    .main-nav{
        display:none;position:fixed;top:0;left:0;right:0;bottom:0;
        background:var(--nav-bg,#1a1a2e);z-index:1000;
        padding:80px 24px 24px;overflow-y:auto
    }
    .main-nav.open{display:block}

    .nav-list{flex-direction:column;gap:0;align-items:stretch}
    .nav-link{padding:14px 0;font-size:17px;border-bottom:1px solid rgba(255,255,255,.08)}
    .nav-link:hover{background:none}

    /* Dropdown: accordion style */
    .dropdown-menu{display:none;position:static;background:none;box-shadow:none;padding:0 0 0 16px;margin:0}
    .has-dropdown.open > .dropdown-menu{display:block}
    .has-dropdown.open > .nav-link .dropdown-arrow{transform:rotate(180deg)}
    .dropdown-menu li a{padding:10px 0;font-size:15px;border-bottom:1px solid rgba(255,255,255,.05)}

    /* Hamburger X animation */
    .nav-toggle.active .nav-toggle-bar:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
    .nav-toggle.active .nav-toggle-bar:nth-child(2){opacity:0}
    .nav-toggle.active .nav-toggle-bar:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
}

/* ===== PAGE HEADER ===== */
.page-header{
    background:var(--nav-bg,#1a1a2e);color:#fff;
    padding:48px 0 40px;position:relative;overflow:hidden;
    background-size:cover;background-position:center
}
.page-header--has-image::before{
    content:'';position:absolute;inset:0;
    background:linear-gradient(to bottom,rgba(0,0,0,.55),rgba(0,0,0,.7));
    z-index:1
}
.page-header__inner{position:relative;z-index:2;max-width:800px}
.page-header__title{font-size:clamp(1.75rem,4vw,2.75rem);font-weight:700;line-height:1.2;margin:0 0 12px}
.page-header__meta{font-size:14px;color:rgba(255,255,255,.7);display:flex;flex-wrap:wrap;gap:4px;align-items:center;margin-bottom:8px}
.page-header__meta a{color:rgba(255,255,255,.85);text-decoration:none}
.page-header__meta a:hover{color:#fff;text-decoration:underline}
.page-header__subtitle{font-size:17px;color:rgba(255,255,255,.75);line-height:1.5;margin:0;max-width:640px}

@media(max-width:768px){
    .page-header{padding:32px 0 28px}
}

/* ===== CONTENT AREA ===== */

/* Article layout */
.article{max-width:760px;margin:0 auto;padding:40px 0 60px}
.article--page{padding:40px 0 48px}

/* Typography */
.article__body{font-size:17px;line-height:1.75;color:var(--text,#222)}
.article__body h2{font-size:1.5rem;font-weight:700;margin:40px 0 16px;line-height:1.3;color:var(--text,#111)}
.article__body h3{font-size:1.25rem;font-weight:600;margin:32px 0 12px;line-height:1.4}
.article__body h4{font-size:1.1rem;font-weight:600;margin:24px 0 8px}
.article__body p{margin:0 0 20px}
.article__body p:last-child{margin-bottom:0}

/* Links in content */
.article__body a{color:var(--c,#4a9eff);text-decoration:underline;text-underline-offset:2px}
.article__body a:hover{text-decoration-thickness:2px}

/* Lists */
.article__body ul,.article__body ol{margin:0 0 20px;padding-left:28px}
.article__body li{margin-bottom:8px}
.article__body li::marker{color:var(--muted,#666)}

/* Images */
.article__body img{max-width:100%;height:auto;border-radius:8px;margin:24px 0;display:block}
.article__body figure{margin:24px 0}
.article__body figcaption{font-size:14px;color:var(--muted,#666);text-align:center;margin-top:8px}

/* Blockquotes */
.article__body blockquote{
    border-left:3px solid var(--c,#4a9eff);margin:24px 0;padding:16px 20px;
    background:rgba(74,158,255,.04);border-radius:0 8px 8px 0;
    font-style:italic;color:var(--text,#333)
}
.article__body blockquote p:last-child{margin-bottom:0}

/* Code */
.article__body code{
    font-family:"SF Mono",Monaco,Consolas,monospace;font-size:.9em;
    background:#f3f4f6;padding:2px 6px;border-radius:4px;color:#d63384
}
.article__body pre{
    margin:24px 0;padding:20px;background:#1e1e30;color:#e0e0e0;
    border-radius:8px;overflow-x:auto;font-size:14px;line-height:1.6
}
.article__body pre code{background:none;padding:0;color:inherit;font-size:inherit}

/* Tables */
.article__body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article__body th,.article__body td{padding:10px 14px;border-bottom:1px solid var(--border,#e5e7eb);text-align:left}
.article__body th{font-weight:600;background:#f9fafb}
.article__body tr:hover td{background:#f9fafb}

/* Horizontal rules */
.article__body hr{border:none;border-top:1px solid var(--border,#e5e7eb);margin:40px 0}

/* Article footer (categories/tags) */
.article__footer{
    margin-top:40px;padding-top:24px;
    border-top:1px solid var(--border,#e5e7eb);
    font-size:14px;color:var(--muted,#666)
}
.article__cats,.article__tags{margin-bottom:10px;display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.article__cats span,.article__tags span{margin-right:4px}
.article__cat{
    display:inline-block;background:var(--c,#4a9eff);color:#fff;
    padding:3px 10px;border-radius:4px;text-decoration:none;font-size:13px;font-weight:500
}
.article__cat:hover{opacity:.85}
.article__footer .tag{margin:0}

@media(max-width:768px){
    .article{padding:24px 0 40px}
    .article__body{font-size:16px}
    .article__body pre{font-size:13px;padding:14px}
}

/* ===== SITE FOOTER ===== */
.site-footer{background:var(--nav-bg,#1a1a2e);color:rgba(255,255,255,.75);margin-top:60px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:40px;padding:48px 0 40px}
.footer-col{}
.footer-heading{color:#fff;font-size:16px;font-weight:600;margin:0 0 16px;letter-spacing:.02em}
.footer-text{font-size:14px;margin:0 0 16px;line-height:1.6}
.footer-links{display:flex;flex-direction:column;gap:8px}
.footer-links a{color:rgba(255,255,255,.65);text-decoration:none;font-size:14px;transition:color .15s}
.footer-links a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;font-size:13px;color:rgba(255,255,255,.45);text-align:center}

@media(max-width:768px){
    .footer-grid{grid-template-columns:1fr;gap:32px;padding:36px 0 28px}
}