/* =========================
   SymbMAR Theme (append)
   ========================= */

:root{
    --bg:#070A10;
    --bg2:#0B1020;
    --text:#E9ECF5;
    --muted:#A6B0C6;
    --line: rgba(255,255,255,.10);
    --accent:#7C5CFF;
    --accent2:#22D3EE;
    --shadow: 0 18px 45px rgba(0,0,0,.45);
    --radius: 18px;
    --radius2: 24px;
}

html, body{
    background: radial-gradient(1200px 700px at 15% 0%, rgba(124,92,255,.22), transparent 55%),
    radial-gradient(1000px 600px at 85% 10%, rgba(34,211,238,.18), transparent 55%),
    linear-gradient(180deg, var(--bg), var(--bg2));
    color: var(--text);
}

.container{
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 22px;
}

.app-shell{ min-height:100vh; display:flex; flex-direction:column; }
.app-main{ flex:1; padding: 28px 0 48px; }

/* Header */
.app-header{
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(14px);
    background: rgba(7,10,16,.55);
    border-bottom: 1px solid var(--line);
}
.header-inner{
    height: 72px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap: 16px;
}
.brand{ display:flex; align-items:center; gap:12px; text-decoration:none; }
.brand-mark{
    width:36px; height:36px; border-radius:12px;
    background: linear-gradient(135deg, rgba(124,92,255,1), rgba(34,211,238,1));
    box-shadow: 0 12px 30px rgba(124,92,255,.18);
}
.brand-name{ font-weight: 900; letter-spacing:.4px; color: var(--text); }
.brand-tag{ color: var(--muted); font-size: 12px; margin-left: 6px; }

/* Buttons */
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    padding: 12px 16px;
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,.10);
    background: rgba(255,255,255,.04);
    color: var(--text);
    text-decoration:none;
}
.btn:hover{ background: rgba(255,255,255,.06); }
.btn.primary{
    border-color: rgba(124,92,255,.55);
    background: linear-gradient(135deg, rgba(124,92,255,.95), rgba(34,211,238,.55));
    box-shadow: 0 18px 45px rgba(124,92,255,.18);
}
.btn.ghost{ background: transparent; }
.btn.small{ padding: 10px 12px; border-radius: 12px; font-size: 13px; }

/* Hero */
.hero{
    position: relative;
    overflow:hidden;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: var(--radius2);
    box-shadow: var(--shadow);
    margin-top: 18px;
}
.hero-bg{
    position:absolute; inset:-1px;
    background:
            radial-gradient(900px 500px at 20% 20%, rgba(124,92,255,.20), transparent 60%),
            radial-gradient(900px 600px at 80% 30%, rgba(34,211,238,.14), transparent 60%),
            linear-gradient(180deg, rgba(255,255,255,.04), transparent 55%);
}
.hero-grid{
    position: relative;
    padding: 44px 34px;
    display:grid;
    grid-template-columns: 1.2fr .9fr;
    gap: 22px;
    align-items: start;
}
.hero-label{
    display:inline-flex;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,.10);
    background: rgba(255,255,255,.03);
    color: var(--muted);
    font-size: 12px;
    letter-spacing: .6px;
    margin-bottom: 14px;
}
.hero-title{
    margin: 0 0 12px;
    font-size: clamp(32px, 4.2vw, 52px);
    line-height: 1.05;
    letter-spacing: -0.8px;
}
.hero-sub{
    margin: 0 0 16px;
    color: var(--muted);
    max-width: 60ch;
}
.hero-actions{ display:flex; gap:12px; flex-wrap:wrap; margin: 10px 0 14px; }
.hero-stats{ display:flex; gap: 12px; flex-wrap:wrap; margin-top: 12px; }
.stat{
    padding: 12px 14px;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,.08);
    background: rgba(255,255,255,.03);
}
.stat-top{ font-weight: 800; }
.stat-bottom{ color: var(--muted); font-size: 12px; margin-top: 2px; }

/* Feature card */
.feature-card{
    border-radius: var(--radius2);
    border: 1px solid rgba(255,255,255,.10);
    background: rgba(255,255,255,.03);
    overflow:hidden;
    box-shadow: 0 12px 35px rgba(0,0,0,.35);
}
.feature-head{
    display:flex; align-items:center; justify-content:space-between;
    padding: 14px 16px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.feature-title{ font-weight: 800; }
.feature-pill{
    font-size: 12px;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(124,92,255,.18);
    border: 1px solid rgba(124,92,255,.40);
}
.feature-media{
    height: 170px;
    background:
            radial-gradient(220px 140px at 30% 45%, rgba(124,92,255,.55), transparent 60%),
            radial-gradient(220px 160px at 70% 55%, rgba(34,211,238,.35), transparent 60%),
            linear-gradient(135deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
}
.feature-body{ padding: 16px; }
.feature-name{ font-weight: 900; font-size: 18px; margin-bottom: 6px; }
.feature-desc{ color: var(--muted); font-size: 13px; margin-bottom: 12px; }
.feature-actions{ display:flex; gap: 10px; flex-wrap:wrap; }

/* Mini cards */
.mini-cards{
    display:grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 12px;
}
.mini-card{
    display:block;
    padding: 14px 14px;
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,.10);
    background: rgba(255,255,255,.03);
    text-decoration:none;
}
.mini-card:hover{ background: rgba(255,255,255,.05); }
.mini-title{ font-weight: 900; }
.mini-sub{ color: var(--muted); font-size: 12px; margin-top: 4px; }

/* Sections */
.section{ padding: 40px 0 10px; }
.section-head h2{ margin:0 0 6px; font-size: 28px; letter-spacing: -0.4px; }
.section-head p{ margin:0; color: var(--muted); }

.cards-3{
    display:grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 16px;
}
.card{
    padding: 18px 18px 16px;
    border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,.08);
    background: rgba(255,255,255,.03);
}
.card-icon{
    width: 44px; height: 44px; border-radius: 16px;
    background: linear-gradient(135deg, rgba(124,92,255,.85), rgba(34,211,238,.55));
    margin-bottom: 12px;
}
.card h3{ margin: 0 0 8px; font-size: 16px; }
.card p{ margin: 0; color: var(--muted); font-size: 13px; }

/* CTA */
.cta{
    margin: 34px 0 18px;
    padding: 24px;
    border-radius: var(--radius2);
    border: 1px solid rgba(255,255,255,.10);
    background: linear-gradient(135deg, rgba(124,92,255,.14), rgba(34,211,238,.10));
}
.cta-inner{
    display:flex; align-items:center; justify-content:space-between;
    gap: 14px; flex-wrap:wrap;
}
.cta h2{ margin:0 0 6px; }
.cta p{ margin:0; color: var(--muted); }

/* Footer */
.app-footer{
    border-top: 1px solid var(--line);
    background: rgba(7,10,16,.55);
}
.footer-inner{
    padding: 24px 0;
    display:flex; justify-content:space-between; gap: 16px; flex-wrap:wrap;
}
.footer-brand{ font-weight: 900; }
.footer-note{ color: var(--muted); font-size: 13px; margin-top: 6px; max-width: 48ch; }
.footer-right{ display:flex; gap: 14px; flex-wrap:wrap; color: var(--muted); }
.footer-right a:hover{ color: var(--text); }
.footer-bottom{
    padding: 12px 0 16px;
    text-align:center;
    font-size: 12px;
    color: rgba(255,255,255,.55);
    border-top: 1px solid rgba(255,255,255,.06);
}

/* Responsive */
@media (max-width: 980px){
    .hero-grid{ grid-template-columns: 1fr; padding: 30px 18px; }
    .cards-3{ grid-template-columns: 1fr; }
    .mini-cards{ grid-template-columns: 1fr; }
}

/* Blazor error UI: hide by default, only show when Blazor sets it */
#blazor-error-ui {
    display: none;
}

/* Only show when Blazor explicitly enables it */
#blazor-error-ui.show {
    display: block;
}