@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Bengali:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700;800;900&display=swap');

:root{
    --bg:#f5f7fb;
    --card:#ffffff;
    --text:#101828;
    --muted:#667085;
    --border:#e4e7ec;
    --soft:#eef4ff;
    --primary:#155eef;
    --primary-dark:#00359e;
    --accent:#7c3aed;
    --success:#039855;
    --danger:#d92d20;
    --warning:#dc6803;
    --shadow:0 18px 50px rgba(16,24,40,.08);
    --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    font-family:Inter,"Noto Sans Bengali",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    color:var(--text);
    background:
        radial-gradient(circle at top left, rgba(21,94,239,.10), transparent 34rem),
        radial-gradient(circle at top right, rgba(124,58,237,.10), transparent 30rem),
        var(--bg);
    line-height:1.7;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}
.site-header{
    position:sticky;top:0;z-index:50;
    display:flex;align-items:center;justify-content:space-between;
    padding:18px clamp(16px,4vw,56px);
    background:rgba(255,255,255,.82);
    backdrop-filter:blur(18px);
    border-bottom:1px solid rgba(228,231,236,.8);
}
.brand{display:flex;gap:12px;align-items:center;font-weight:900;font-size:20px;letter-spacing:-.03em}
.brand-mark{
    width:42px;height:42px;border-radius:15px;
    display:grid;place-items:center;
    background:linear-gradient(135deg,var(--primary),var(--accent));
    color:white;box-shadow:0 12px 25px rgba(21,94,239,.24);
}
.site-nav{display:flex;gap:10px;align-items:center}
.site-nav a{
    padding:10px 14px;border-radius:999px;
    color:#344054;font-weight:700;font-size:14px;
}
.site-nav a:hover{background:var(--soft);color:var(--primary)}
.container{width:min(1180px,calc(100% - 32px));margin:0 auto}
.hero-blog{
    padding:76px 0 38px;
}
.hero-shell{
    background:linear-gradient(135deg,#061a40,#155eef 58%,#7c3aed);
    color:white;border-radius:34px;padding:48px;
    box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.hero-shell:before{
    content:"";position:absolute;right:-160px;top:-160px;width:380px;height:380px;
    border-radius:999px;background:rgba(255,255,255,.13);
}
.kicker{
    display:inline-flex;gap:8px;align-items:center;
    padding:8px 13px;border-radius:999px;
    background:rgba(255,255,255,.14);
    border:1px solid rgba(255,255,255,.22);
    font-weight:800;font-size:13px;margin-bottom:18px;
}
.hero-shell h1{
    max-width:880px;margin:0 0 14px;
    font-size:clamp(36px,6vw,76px);
    line-height:1.02;letter-spacing:-.07em;
}
.hero-shell p{max-width:760px;color:#dbeafe;font-size:18px;margin:0}
.search-panel{
    margin-top:28px;display:grid;grid-template-columns:1fr auto;gap:12px;
    background:white;padding:10px;border-radius:20px;max-width:760px;
}
.search-panel input{
    border:0;padding:14px 16px;font-size:16px;outline:0;border-radius:14px;width:100%;
}
.btn{
    display:inline-flex;justify-content:center;align-items:center;gap:8px;
    border:0;border-radius:14px;padding:13px 18px;
    background:var(--primary);color:white;font-weight:800;cursor:pointer;
    box-shadow:0 12px 24px rgba(21,94,239,.22);
}
.btn:hover{background:var(--primary-dark)}
.btn.secondary{background:#f2f4f7;color:#344054;box-shadow:none}
.blog-grid{
    display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
    padding:24px 0 64px;
}
.post-card{
    background:rgba(255,255,255,.88);
    border:1px solid rgba(228,231,236,.9);
    border-radius:var(--radius);
    overflow:hidden;box-shadow:0 10px 35px rgba(16,24,40,.05);
    transition:.22s ease;display:flex;flex-direction:column;
}
.post-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.post-card-image{height:210px;background:linear-gradient(135deg,#dbeafe,#ede9fe);overflow:hidden}
.post-card-image img{width:100%;height:100%;object-fit:cover;transition:.35s ease}
.post-card:hover img{transform:scale(1.05)}
.post-card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-card h2{font-size:24px;line-height:1.18;letter-spacing:-.035em;margin:0}
.post-card p{color:var(--muted);margin:0}
.meta-row{display:flex;flex-wrap:wrap;gap:9px;color:#475467;font-size:13px;font-weight:700}
.badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:var(--soft);color:var(--primary);font-size:12px;font-weight:900}
.read-more{margin-top:auto;color:var(--primary);font-weight:900}
.single-wrap{width:min(1120px,calc(100% - 32px));margin:0 auto;padding:42px 0 70px}
.article-hero{
    background:linear-gradient(135deg,#061a40,#155eef);
    border-radius:34px;color:white;padding:44px;box-shadow:var(--shadow);margin-bottom:28px;
}
.article-hero h1{font-size:clamp(32px,5vw,64px);line-height:1.06;letter-spacing:-.06em;margin:10px 0 16px}
.article-hero p{font-size:18px;color:#dbeafe;max-width:850px}
.article-image{border-radius:28px;overflow:hidden;margin:28px 0;box-shadow:var(--shadow)}
.article-image img{width:100%;display:block}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:start}
.article-content{
    background:white;border:1px solid var(--border);border-radius:28px;padding:34px;
    box-shadow:0 10px 35px rgba(16,24,40,.05);
}
.article-content h1,.article-content h2,.article-content h3{letter-spacing:-.03em;line-height:1.25}
.article-content h2{font-size:32px;color:#0f2f63;border-bottom:1px solid var(--border);padding-bottom:10px;margin-top:34px}
.article-content h3{font-size:24px;color:#193b6a;margin-top:28px}
.article-content p{font-size:17px;color:#344054}
.article-content pre{
    background:#101828;color:#e6edf7;border-radius:18px;padding:18px;overflow:auto;
    border:1px solid #233047;font-size:14px;line-height:1.55;
}
.article-content code{background:#eef4ff;color:#0f3d7a;padding:2px 6px;border-radius:7px}
.article-content pre code{background:transparent;color:inherit;padding:0}
.article-content table{width:100%;border-collapse:collapse;font-size:15px;margin:18px 0}
.article-content th,.article-content td{border:1px solid var(--border);padding:12px;text-align:left;vertical-align:top}
.article-content th{background:var(--soft);color:#0f2f63}
.article-content .hero{
    background:linear-gradient(135deg,#0f2f63,#1f6feb);color:white;border-radius:24px;
    padding:36px 28px;margin-bottom:24px;
}
.article-content .hero h1{color:white;margin:0 0 12px;font-size:clamp(28px,4vw,48px)}
.article-content .hero p{color:#dce9ff}
.article-content .pill{
    display:inline-flex;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
    color:white;padding:6px 10px;border-radius:999px;font-size:13px;margin:4px;
}
.article-content .toc,.article-content .section,.article-content .note{
    border:1px solid var(--border);border-radius:20px;padding:22px;margin:20px 0;background:#fff;
}
.article-content .note{background:#fff7e6;border-color:#f0bf5c}
.sidebar-card{
    background:white;border:1px solid var(--border);border-radius:24px;padding:22px;
    position:sticky;top:96px;box-shadow:0 10px 35px rgba(16,24,40,.05);
}
.sidebar-card h3{margin:0 0 14px;font-size:18px}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag{padding:7px 10px;background:#f2f4f7;border-radius:999px;font-size:13px;font-weight:800;color:#475467}
.site-footer{
    border-top:1px solid var(--border);background:white;padding:36px clamp(16px,4vw,56px);
    display:flex;justify-content:space-between;gap:20px;color:#667085;
}
.site-footer strong{color:#101828}
.empty-state{
    background:white;border:1px solid var(--border);border-radius:28px;padding:42px;text-align:center;
    margin:24px 0 64px;box-shadow:0 10px 35px rgba(16,24,40,.05);
}

/* Admin */
.admin-body{background:#f8fafc}
.admin-shell{display:grid;grid-template-columns:280px minmax(0,1fr);min-height:100vh}
.admin-sidebar{
    background:#061a40;color:white;padding:24px;position:sticky;top:0;height:100vh;
}
.admin-logo{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:900;margin-bottom:34px}
.admin-menu{display:grid;gap:8px}
.admin-menu a{
    color:#dbeafe;padding:12px 14px;border-radius:14px;font-weight:800;
}
.admin-menu a:hover,.admin-menu .active{background:rgba(255,255,255,.12);color:white}
.admin-main{padding:28px}
.admin-top{
    display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:24px;
}
.admin-top h1{font-size:34px;letter-spacing:-.045em;margin:0}
.card{
    background:white;border:1px solid var(--border);border-radius:24px;padding:24px;
    box-shadow:0 10px 35px rgba(16,24,40,.05);
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:22px}
.stat h3{margin:0;color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.06em}
.stat strong{font-size:34px;letter-spacing:-.04em}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:14px;border-bottom:1px solid var(--border);text-align:left;vertical-align:middle}
.table th{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:#667085}
.status{padding:6px 10px;border-radius:999px;font-size:12px;font-weight:900;background:#f2f4f7;color:#475467}
.status.published{background:#ecfdf3;color:#027a48}
.status.draft{background:#f2f4f7;color:#475467}
.status.scheduled{background:#fff6ed;color:#c4320a}
.status.archived{background:#fef3f2;color:#b42318}
.form-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:22px}
.field{margin-bottom:16px}
label{display:block;font-weight:900;margin-bottom:7px;color:#344054}
input,select,textarea{
    width:100%;border:1px solid var(--border);border-radius:14px;padding:12px 14px;
    font:inherit;background:white;color:var(--text);outline:none;
}
textarea{min-height:130px;resize:vertical}
textarea.content-editor{min-height:520px;font-family:"Noto Sans Bengali",Inter,sans-serif}
input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(21,94,239,.10)}
.help{font-size:13px;color:var(--muted);margin-top:6px}
.notice{padding:14px 16px;border-radius:16px;margin-bottom:18px;font-weight:800}
.notice.success{background:#ecfdf3;color:#027a48}
.notice.error{background:#fef3f2;color:#b42318}
.login-wrap{
    min-height:100vh;display:grid;place-items:center;padding:24px;
    background:linear-gradient(135deg,#061a40,#155eef 60%,#7c3aed);
}
.login-card{width:min(440px,100%);background:white;border-radius:28px;padding:32px;box-shadow:0 28px 80px rgba(0,0,0,.25)}
.login-card h1{margin:0 0 8px;font-size:34px;letter-spacing:-.05em}
.login-card p{margin:0 0 22px;color:var(--muted)}
.preview-box{
    border:1px solid var(--border);border-radius:18px;padding:16px;background:#f9fafb;
}
.preview-box .preview-title{font-weight:900;color:#1d2939}
.preview-box .preview-url{color:#039855;font-size:13px;word-break:break-all}
.preview-box .preview-desc{color:#667085;font-size:14px}
@media(max-width:960px){
    .blog-grid{grid-template-columns:1fr 1fr}
    .article-layout,.form-grid,.admin-shell{grid-template-columns:1fr}
    .admin-sidebar{position:relative;height:auto}
    .stat-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
    .blog-grid,.stat-grid{grid-template-columns:1fr}
    .hero-shell,.article-hero,.article-content{padding:24px;border-radius:24px}
    .search-panel{grid-template-columns:1fr}
    .site-footer,.site-header{flex-direction:column;align-items:flex-start}
}