/* BTOVEN tester theme — SHARED (shared_identical: theme_css). Pilot: securityheaders.
   Unified tokens + component library for every tester page (one-page philosophy). */
            .grade-chip { display: inline-block; padding: 2px 9px; border-radius: 5px; font-weight: 700; font-size: 12px; color: #fff; letter-spacing: 0.3px; }
            .grade-A { background: #16a34a; }
            .grade-B { background: #65a30d; }
            .grade-C { background: #d97706; }
            .grade-D { background: #ea580c; }
            .grade-F { background: #dc2626; }
            .grade-n\/a { background: #64748b; }
            .sev-critical { color: #ef4444; font-weight: 700; }
            .sev-high { color: #fb923c; font-weight: 700; }
            .sev-medium { color: #f59e0b; font-weight: 700; }
            .sev-info { color: #3b82f6; font-weight: 700; }
            .sev-recommended { color: #f59e0b; font-weight: 600; }
            .sev-contextual { color: var(--muted, #94a3b8); font-style: italic; }
            .st-pass { color: var(--ok, #22c55e); font-weight: 600; }
            .st-contextual { color: var(--muted, #94a3b8); }
            .st-missing { color: #f59e0b; font-weight: 600; }
            .st-fail { color: #ef4444; font-weight: 700; }
            :root {
                --bg: #0b0c10;
                --panel: #111317;
                --muted: #8b95a7;
                --text: #e6edf3;
                --accent: #6ee7b7;
                --accent-2: #60a5fa;
                --warn: #f59e0b;
                --ok: #22c55e;
                --border: #1f2430;
                --code: #0d1117;
            }

            html.light-mode {
                --bg: #f7f9fc;
                --panel: #ffffff;
                --muted: #5a6579;
                --text: #0b1220;
                --accent: #059669;
                --accent-2: #2563eb;
                --warn: #b45309;
                --ok: #047857;
                --border: #e5e7eb;
                --code: #f3f4f6;
            }

            * {
                box-sizing: border-box;
            }

            html,
            body {
                height: 100%;
            }

            body {
                margin: 0;
                font-family: monospace;
                line-height: 1.45;
                color: var(--text);
                background: var(--bg);
            }

            .wrap {
                max-width: 1200px;
                margin: 0 auto;
                padding: 24px;
            }

            header {
                display: grid;
                grid-template-columns: 1fr auto;
                gap: 16px;
                align-items: start;
                margin-bottom: 24px;
            }

            .title {
                display: flex;
                flex-direction: column;
                gap: 8px;
            }

            .title h1 {
                margin: 0;
                font-size: clamp(22px, 3.2vw, 34px);
                letter-spacing: -0.02em;
            }

            .subtitle {
                color: var(--muted);
                font-size: 14px;
            }

            .badge {
                display: inline-flex;
                align-items: center;
                gap: 8px;
                padding: 8px 12px;
                border-radius: 999px;
                border: 1px solid var(--border);
                background: linear-gradient(
                    180deg,
                    rgba(255, 255, 255, 0.04),
                    rgba(0, 0, 0, 0.04)
                );
                font-size: 12px;
                color: var(--muted);
            }
            .night-toggle { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: 13px; color: var(--muted); user-select: none; }
            .night-toggle input { display: none; }
            .toggle-track { width: 42px; height: 22px; background: var(--border); border-radius: 11px; position: relative; transition: background 0.3s; }
            .toggle-thumb { width: 18px; height: 18px; background: var(--text); border-radius: 50%; position: absolute; top: 2px; left: 2px; transition: transform 0.3s, background 0.3s; }
            .night-toggle input:checked + .toggle-track { background: var(--accent); }
            .night-toggle input:checked + .toggle-track .toggle-thumb { transform: translateX(20px); }

            .dot {
                width: 8px;
                height: 8px;
                border-radius: 50%;
                background: var(--ok);
                box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
            }

            .panel {
                background: var(--panel);
                border: 1px solid var(--border);
                border-radius: 16px;
                padding: 18px;
                box-shadow: 0 6px 24px rgba(0, 0, 0, 0.12);
            }

            .grid {
                display: grid;
                gap: 16px;
            }

            @media (min-width: 820px) {
                .grid {
                    grid-template-columns: 1fr;
                }
            }

            .section-title {
                font-size: 13px;
                letter-spacing: 0.08em;
                text-transform: uppercase;
                color: var(--muted);
                margin: 8px 0 14px;
            }

            .kv {
                display: grid;
                grid-template-columns: 180px 1fr;
                gap: 10px 14px;
                align-items: start;
            }

            .k {
                color: var(--muted);
                font-size: 13px;
            }

            .v {
                background: var(--code);
                border: 1px dashed var(--border);
                padding: 8px 10px;
                border-radius: 10px;
                overflow: auto;
            }

            .errors {
                display: flex;
                gap: 8px;
                flex-wrap: wrap;
            }

            .pill {
                font-size: 12px;
                padding: 6px 10px;
                border-radius: 999px;
                border: 1px solid var(--border);
                color: var(--muted);
                background: linear-gradient(
                    180deg,
                    rgba(255, 255, 255, 0.04),
                    rgba(0, 0, 0, 0.04)
                );
            }

            footer {
                margin-top: 20px;
                color: var(--muted);
                font-size: 12px;
                display: flex;
                justify-content: space-between;
                gap: 12px;
                flex-wrap: wrap;
            }

            .note {
                max-width: 780px;
            }

            form.lookup {
                display: flex;
                gap: 10px;
                align-items: center;
                flex-wrap: wrap;
            }

            input[type="text"] {
                height: 38px;
                font-size: 16px;
                border-radius: 10px;
                padding: 0 12px;
                border: 1px solid var(--border);
                background: var(--panel);
                color: var(--text);
                min-width: 300px;
            }

            input[type="text"]::placeholder {
                color: var(--muted);
            }

            input[type="submit"] {
                height: 38px;
                font-size: 15px;
                font-weight: 600;
                border-radius: 999px;
                padding: 0 16px;
                border: 1px solid var(--border);
                background: linear-gradient(
                    180deg,
                    rgba(110, 231, 183, 0.18),
                    rgba(96, 165, 250, 0.18)
                );
                color: var(--text);
                cursor: pointer;
            }

            input[type="submit"]:hover {
                filter: brightness(1.08);
            }

            .location-tag {
                font-size: 11px;
                padding: 4px 8px;
                border-radius: 4px;
                font-weight: 600;
                text-transform: uppercase;
                letter-spacing: 0.05em;
            }

            .status-found {
                background: rgba(34, 197, 94, 0.15);
                color: var(--ok);
            }

            .status-not-found {
                background: rgba(239, 68, 68, 0.15);
                color: #ef4444;
            }

            .score-badge {
                font-size: 24px;
                font-weight: bold;
                text-align: center;
                padding: 12px;
                border-radius: 12px;
                margin: 8px 0;
            }

            .score-high {
                background: rgba(34, 197, 94, 0.1);
                color: var(--ok);
                border: 1px solid rgba(34, 197, 94, 0.2);
            }

            .score-mid {
                background: rgba(245, 158, 11, 0.1);
                color: var(--warn);
                border: 1px solid rgba(245, 158, 11, 0.2);
            }

            .score-low {
                background: rgba(239, 68, 68, 0.1);
                color: #ef4444;
                border: 1px solid rgba(239, 68, 68, 0.2);
            }

            .https-yes {
                background: rgba(34, 197, 94, 0.15);
                color: var(--ok);
            }

            .https-no {
                background: rgba(239, 68, 68, 0.15);
                color: #ef4444;
            }

            details {
                margin-top: 8px;
            }

             details summary {
                 cursor: pointer;
                 color: var(--muted);
                 font-size: 12px;
             }

             .tester-tools-section {
                 margin-top: 16px;
                 padding-top: 16px;
                 border-top: 1px solid var(--border);
             }

             .tester-tools-label {
                 margin: 0 0 8px 0;
                 color: var(--muted);
                 font-size: 12px;
                 text-transform: uppercase;
                 letter-spacing: 0.08em;
             }

             .tester-tools-links {
                 margin: 0;
                 font-size: 12px;
                 color: var(--text);
                 display: flex;
                 flex-wrap: wrap;
                 gap: 12px;
             }

             .tester-tools-link {
                 color: var(--accent-2);
                 text-decoration: none;
             }

             .ai-btn {
                font-family: monospace;
                font-size: 12px;
                padding: 6px 12px;
                border-radius: 999px;
                border: 1px solid var(--border);
                background: linear-gradient(180deg, rgba(96, 165, 250, 0.12), rgba(110, 231, 183, 0.12));
                color: var(--text);
                cursor: pointer;
                transition: filter 0.15s;
            }

            .ai-btn:hover {
                filter: brightness(1.12);
            }

            .result-table {
                width: 100%;
                border-collapse: collapse;
                font-size: 12px;
            }

            .mt-lg {
                margin-top: 16px;
            }

            .text-accent-2 {
                color: var(--accent-2);
            }


/* ===== Version badge menu (changelog · source · status) ===== */
.badge-menu { position: relative; display: inline-block; }
.badge-menu > summary {
    list-style: none;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}
.badge-menu > summary::-webkit-details-marker { display: none; }
.badge-menu > summary:hover { filter: brightness(1.15); }
.badge-menu-panel {
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    z-index: 60;
    min-width: 330px;
    max-width: 440px;
    max-height: 60vh;
    overflow: auto;
    padding: 10px 12px;
    border: 1px solid var(--border, #2a2f36);
    border-radius: 8px;
    background: var(--panel, #111317);
    box-shadow: 0 10px 34px rgba(0, 0, 0, 0.45);
    font-size: 12px;
    text-align: left;
}
.badge-menu-panel .badge-links a {
    display: block;
    margin: 3px 0;
    color: var(--accent-2, #60a5fa);
    text-decoration: none;
    font-weight: 600;
}
.badge-menu-panel .badge-links a:hover { text-decoration: underline; }
#changelog-text {
    white-space: pre-wrap;
    word-break: break-word;
    margin: 8px 0 0;
    font-size: 11px;
    line-height: 1.5;
    color: var(--muted, #8b95a7);
    font-family: inherit;
}