/* Theme: solar — unique professional skin */
body.theme-solar {
    --brand-a: #d97706;
    --brand-b: #f59e0b;
    --surface: #ffffff;
    --text: #78350f;
    --muted-text: #92400e;
    --theme-radius: 999px;
    --theme-card-radius: 18px;
    --theme-nav: linear-gradient(90deg,#b45309,#d97706);
    --theme-nav-text: #fffbeb;
    --theme-card-shadow: 0 16px 34px rgba(217,119,6,.16);
    font-family: Rubik, system-ui, sans-serif;
    background: radial-gradient(circle at 50% -20%, rgba(250,204,21,.45), transparent 45%), #fffbeb;
    color: var(--text);
}
body.theme-solar .app-navbar.sticky-top,
body.theme-solar .app-navbar { background: var(--theme-nav) !important; }
body.theme-solar .app-navbar .nav-link,
body.theme-solar .app-navbar .navbar-brand,
body.theme-solar .app-navbar .navbar-brand span { color: var(--theme-nav-text) !important; }
body.theme-solar .glass-card,
body.theme-solar .tool-panel,
body.theme-solar .card,
body.theme-solar .tool-content-block,
body.theme-solar .tool-content-card {
    background: var(--surface);
    color: var(--text);
    border-radius: var(--theme-card-radius);
    box-shadow: var(--theme-card-shadow);
    border: 0;
}
body.theme-solar .glass-card h1,
body.theme-solar .glass-card h2,
body.theme-solar .glass-card h3,
body.theme-solar .glass-card h4,
body.theme-solar .card h1,
body.theme-solar .card h2,
body.theme-solar .card h3,
body.theme-solar .card h4 { color: var(--text); }
body.theme-solar .text-secondary { color: var(--muted-text) !important; }
body.theme-solar .hero-badge { background: rgba(127,127,127,.12); color: var(--text); border-color: transparent; }
body.theme-solar .btn-primary {
    background: linear-gradient(90deg, var(--brand-a), var(--brand-b));
    border: 0; color: #fff !important; border-radius: var(--theme-radius);
}
body.theme-solar .search-wrap .form-control {
    border-radius: var(--theme-radius); box-shadow: var(--theme-card-shadow);
}
body.theme-solar .app-footer { background: var(--theme-nav); color: var(--theme-nav-text); }
body.theme-solar .app-footer .footer-link,
body.theme-solar .app-footer .text-light-emphasis { color: var(--theme-nav-text) !important; opacity: .92; }
body.theme-solar .chip, body.theme-solar .metric-box { border-radius: var(--theme-radius); color: var(--text); }
body.theme-solar .nav-auth-btn-login { color:#fff !important; border-color:rgba(255,255,255,.9) !important; background:transparent !important; }
body.theme-solar .nav-auth-btn-signup { color:#0f172a !important; background:#fff !important; border-color:#fff !important; }
body.theme-solar .ad-slot { margin: 1rem 0; text-align: center; }
body.theme-solar .btn-primary, body.theme-solar .nav-auth-btn, body.theme-solar .chip { border-radius: 999px !important; }
body.theme-solar .glass-card { border-radius: 18px !important; border: 2px solid rgba(245,158,11,.25) !important; }
body.theme-solar .hero-badge { background: #fef3c7; font-weight: 800; text-transform: uppercase; font-size: .78rem; }
body.theme-solar .icon-wrap { background: #fde68a; border-radius: 12px; }