/* SVG Accessibility Checker — isolated UI. Every selector is prefixed with .svga11y-. */
/* CssScope: svga11y. Read-only heuristic checker; does not modify the SVG. */

.svga11y-shell { display: flex; flex-direction: column; gap: 1rem; }

.svga11y-hero,
.svga11y-actions,
.svga11y-stats,
.svga11y-preview-card,
.svga11y-code-card,
.svga11y-report,
.svga11y-error {
    background:
        radial-gradient(circle at top left, rgba(99, 102, 241, 0.12), transparent 31rem),
        linear-gradient(180deg, rgba(24, 27, 36, 0.98), rgba(17, 19, 24, 0.98));
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: 0 20px 70px rgba(0, 0, 0, 0.22);
}

/* ── Error ──────────────────────────────────────────────────────────────────── */

.svga11y-error {
    border-color: rgba(248, 113, 113, 0.36);
    background:
        radial-gradient(circle at top left, rgba(248, 113, 113, 0.12), transparent 26rem),
        linear-gradient(180deg, rgba(35, 18, 22, 0.98), rgba(20, 12, 14, 0.98));
    padding: 0.85rem 1rem;
}
.svga11y-error strong { color: #fecaca; }
.svga11y-error p      { color: #fca5a5; margin: 0.22rem 0 0; font-size: 0.85rem; }
.svga11y-error[hidden] { display: none !important; }

/* ── Hero ───────────────────────────────────────────────────────────────────── */

.svga11y-hero {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem;
    overflow: hidden;
}
.svga11y-hero__copy { max-width: 820px; }
.svga11y-eyebrow,
.svga11y-card-kicker {
    color: var(--accent-light);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.svga11y-hero h2 {
    margin-top: 0.22rem;
    font-size: clamp(1.45rem, 2.7vw, 2.3rem);
    line-height: 1.04;
    letter-spacing: -0.055em;
}
.svga11y-hero p { max-width: 760px; margin-top: 0.5rem; color: var(--text-secondary); font-size: 0.95rem; }
.svga11y-hero__panel { display: flex; min-width: 230px; align-content: center; justify-content: flex-end; gap: 0.5rem; flex-wrap: wrap; }
.svga11y-hero__panel span,
.svga11y-signal-strip span {
    border: 1px solid rgba(129, 140, 248, 0.24);
    border-radius: 999px;
    background: var(--accent-dim);
    color: var(--accent-light);
    font-size: 0.72rem;
    font-weight: 800;
    line-height: 1;
    padding: 0.45rem 0.65rem;
    white-space: nowrap;
}

/* ── Actions ────────────────────────────────────────────────────────────────── */

.svga11y-actions { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 0.75rem; align-items: center; padding: 0.75rem; }
.svga11y-dropzone {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.85rem;
    min-height: 74px;
    border: 1px dashed rgba(129, 140, 248, 0.36);
    border-radius: 15px;
    background: rgba(99, 102, 241, 0.08);
    padding: 0.75rem;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}
.svga11y-dropzone.is-dragover { border-color: var(--accent-light); background: rgba(99, 102, 241, 0.16); box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.16); }
.svga11y-dropzone strong, .svga11y-dropzone span { display: block; }
.svga11y-dropzone strong { color: var(--text-primary); font-size: 0.95rem; letter-spacing: -0.02em; }
.svga11y-dropzone span { margin-top: 0.12rem; color: var(--text-muted); font-size: 0.78rem; }
.svga11y-file-input { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); }
.svga11y-action-buttons { display: flex; align-items: center; gap: 0.55rem; flex-wrap: wrap; }

/* ── Buttons ────────────────────────────────────────────────────────────────── */

.svga11y-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    min-height: 40px;
    border: 1px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    font: inherit;
    font-size: 0.84rem;
    font-weight: 850;
    line-height: 1;
    padding: 0.65rem 0.9rem;
    white-space: nowrap;
    transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease, opacity 0.15s ease;
}
.svga11y-button:hover:not(:disabled) { transform: translateY(-1px); }
.svga11y-button:disabled { cursor: not-allowed; opacity: 0.48; }
.svga11y-button--primary { background: linear-gradient(135deg, var(--accent), #8b5cf6); color: #fff; box-shadow: 0 14px 32px rgba(99, 102, 241, 0.28); }
.svga11y-button--primary:hover:not(:disabled) { box-shadow: 0 18px 36px rgba(99, 102, 241, 0.36); }
.svga11y-button--soft { background: rgba(99, 102, 241, 0.12); color: var(--accent-light); border-color: rgba(99, 102, 241, 0.25); }
.svga11y-button--soft:hover:not(:disabled) { background: rgba(99, 102, 241, 0.2); border-color: rgba(99, 102, 241, 0.4); }
.svga11y-button--ghost { background: transparent; color: var(--text-secondary); border-color: var(--border); }
.svga11y-button--ghost:hover:not(:disabled) { border-color: var(--border-hover); color: var(--text-primary); }

/* ── Stats ──────────────────────────────────────────────────────────────────── */

.svga11y-stats { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0; padding: 0; overflow: hidden; }
.svga11y-stat { display: flex; flex-direction: column; gap: 0.35rem; padding: 0.9rem 1rem; border-right: 1px solid var(--border); min-width: 0; }
.svga11y-stat:last-child { border-right: none; }
.svga11y-stat span { font-size: 0.68rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-muted); line-height: 1.2; }
.svga11y-stat strong { font-size: 1.04rem; font-weight: 800; color: var(--text-primary); line-height: 1.05; letter-spacing: -0.03em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.svga11y-stat--accent { background: rgba(99, 102, 241, 0.06); }
.svga11y-stat--accent strong { color: var(--accent-light); }

/* ── Card headers ───────────────────────────────────────────────────────────── */

.svga11y-card-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; padding: 0.9rem 0.95rem 0.7rem; }
.svga11y-card-header h3 { margin-top: 0.12rem; font-size: 1rem; letter-spacing: -0.03em; }
.svga11y-card-header p { max-width: 560px; color: var(--text-muted); font-size: 0.78rem; }
.svga11y-card-header--preview { align-items: center; }

/* ── Preview ────────────────────────────────────────────────────────────────── */

.svga11y-preview-card { padding: 0; overflow: hidden; }
.svga11y-preview-tools { display: flex; align-items: center; gap: 0.55rem; flex-wrap: wrap; }
.svga11y-preview-tools button {
    display: inline-flex; align-items: center; justify-content: center; min-height: 34px;
    border: 1px solid var(--border); border-radius: 8px; background: transparent; color: var(--text-muted);
    font: inherit; font-size: 0.78rem; font-weight: 700; padding: 0.3rem 0.75rem; cursor: pointer;
    transition: border-color 0.15s, color 0.15s, background 0.15s; white-space: nowrap;
}
.svga11y-preview-tools button:hover { border-color: var(--border-hover); color: var(--text-secondary); }
.svga11y-preview-tools button[aria-pressed="true"] { border-color: rgba(129, 140, 248, 0.5); color: var(--accent-light); background: var(--accent-dim); }
.svga11y-preview-surface {
    display: flex; align-items: center; justify-content: center; min-height: 240px; padding: 1.25rem;
    overflow: hidden; border-top: 1px solid var(--border); position: relative;
}
.svga11y-preview-surface p { font-size: 0.82rem; color: var(--text-muted); text-align: center; margin: 0; }
.svga11y-preview-surface svg { max-width: 100%; max-height: 280px; height: auto; display: block; }
.svga11y-preview-surface.is-grid-visible {
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 20px 20px;
}

/* ── Signal strip ───────────────────────────────────────────────────────────── */

.svga11y-signal-strip { display: flex; gap: 0.5rem; flex-wrap: wrap; border-top: 1px solid var(--border); padding: 0.75rem; }
.svga11y-signal--safe { border-color: rgba(74, 222, 128, 0.32) !important; background: rgba(22, 163, 74, 0.12) !important; color: #86efac !important; }
.svga11y-signal--risk { border-color: rgba(251, 191, 36, 0.38) !important; background: rgba(180, 83, 9, 0.13) !important; color: #fbbf24 !important; }
.svga11y-signal--muted { border-color: var(--border) !important; background: rgba(255, 255, 255, 0.025) !important; color: var(--text-muted) !important; }

/* ── Input ──────────────────────────────────────────────────────────────────── */

.svga11y-code-card { overflow: hidden; }
.svga11y-textarea {
    display: block; width: 100%; min-height: 180px; resize: vertical; padding: 0.75rem;
    background: rgba(0, 0, 0, 0.22); border: none; border-top: 1px solid var(--border);
    border-radius: 0 0 17px 17px; color: var(--text-primary);
    font-family: ui-monospace, "Cascadia Code", "Fira Code", monospace; font-size: 0.8rem; line-height: 1.55;
    outline: none; tab-size: 2; transition: background 0.15s; box-sizing: border-box;
}
.svga11y-textarea:focus { background: rgba(0, 0, 0, 0.3); }
.svga11y-textarea::placeholder { color: var(--text-muted); }

/* ── Report ─────────────────────────────────────────────────────────────────── */

.svga11y-report { padding: 0.95rem; }
.svga11y-report[hidden] { display: none !important; }
.svga11y-report-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 0.85rem; }
.svga11y-report-head h3 { margin-top: 0.12rem; font-size: 1rem; letter-spacing: -0.03em; }

.svga11y-overview { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 0.6rem; margin-bottom: 1rem; }
.svga11y-ov-card {
    display: flex; flex-direction: column; gap: 0.3rem; padding: 0.7rem 0.8rem;
    border: 1px solid var(--border); border-radius: 12px; background: rgba(0, 0, 0, 0.16); min-width: 0;
}
.svga11y-ov-card span { font-size: 0.64rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); }
.svga11y-ov-card strong { font-size: 0.95rem; font-weight: 800; color: var(--text-primary); letter-spacing: -0.02em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.svga11y-ov-card.svga11y-val--safe { border-color: rgba(74, 222, 128, 0.3); }
.svga11y-ov-card.svga11y-val--safe strong { color: #86efac; }
.svga11y-ov-card.svga11y-val--warn { border-color: rgba(251, 191, 36, 0.34); }
.svga11y-ov-card.svga11y-val--warn strong { color: #fbbf24; }
.svga11y-ov-card.svga11y-val--risk { border-color: rgba(248, 113, 113, 0.4); }
.svga11y-ov-card.svga11y-val--risk strong { color: #fca5a5; }

/* ── Findings (issues + suggestions) ────────────────────────────────────────── */

.svga11y-findings { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 0.75rem; margin-bottom: 0.75rem; }

.svga11y-panel { border: 1px solid var(--border); border-radius: 14px; background: rgba(0, 0, 0, 0.16); overflow: hidden; min-width: 0; }
.svga11y-panel-header { padding: 0.7rem 0.85rem 0.55rem; border-bottom: 1px solid var(--border); }
.svga11y-panel-header h4 { margin: 0.1rem 0 0; font-size: 0.92rem; letter-spacing: -0.02em; }
.svga11y-panel-body { padding: 0.7rem 0.85rem 0.85rem; }
.svga11y-empty, .svga11y-note { color: var(--text-muted); font-size: 0.78rem; margin: 0.2rem 0 0; }

.svga11y-issue {
    display: flex; align-items: flex-start; gap: 0.6rem; padding: 0.55rem 0.65rem;
    border: 1px solid var(--border); border-left-width: 3px; border-radius: 10px;
    background: rgba(0, 0, 0, 0.18); margin-bottom: 0.5rem;
}
.svga11y-issue:last-child { margin-bottom: 0; }
.svga11y-issue--risk { border-left-color: #f87171; }
.svga11y-issue--warn { border-left-color: #fbbf24; }
.svga11y-issue--info { border-left-color: #818cf8; }
.svga11y-issue-badge { flex: 0 0 auto; border-radius: 999px; padding: 0.18rem 0.5rem; font-size: 0.62rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.04em; border: 1px solid var(--border); }
.svga11y-issue-text { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.4; }

.svga11y-sugg-list { margin: 0; padding-left: 1.1rem; display: flex; flex-direction: column; gap: 0.4rem; }
.svga11y-sugg-list li { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.4; }

/* ── Panels grid ────────────────────────────────────────────────────────────── */

.svga11y-panels { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 0.75rem; }
.svga11y-panels .svga11y-panel { margin-bottom: 0; }

.svga11y-dl { display: flex; flex-direction: column; margin: 0; }
.svga11y-row {
    display: grid; grid-template-columns: minmax(110px, 0.6fr) minmax(0, 1fr); gap: 0.6rem;
    padding: 0.35rem 0; border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.svga11y-row:last-child { border-bottom: none; }
.svga11y-row dt { font-size: 0.72rem; font-weight: 700; color: var(--text-muted); word-break: break-word; white-space: pre; }
.svga11y-row dd {
    margin: 0; font-size: 0.76rem; font-weight: 600; color: var(--text-primary);
    font-family: ui-monospace, "Cascadia Code", "Fira Code", monospace; word-break: break-word; overflow-wrap: anywhere;
}

.svga11y-val--safe { color: #86efac !important; }
.svga11y-val--warn { color: #fbbf24 !important; }
.svga11y-val--risk { color: #fca5a5 !important; }
.svga11y-val--info { color: #a5b4fc !important; }
.svga11y-val--muted { color: var(--text-muted) !important; }

.svga11y-issue-badge.svga11y-val--risk { color: #fca5a5 !important; border-color: rgba(248,113,113,0.4); background: rgba(127,29,29,0.2); }
.svga11y-issue-badge.svga11y-val--warn { color: #fbbf24 !important; border-color: rgba(251,191,36,0.4); background: rgba(120,53,15,0.2); }
.svga11y-issue-badge.svga11y-val--info { color: #a5b4fc !important; border-color: rgba(129,140,248,0.4); background: rgba(49,46,129,0.2); }

/* ── Responsive ─────────────────────────────────────────────────────────────── */

@media (max-width: 900px) {
    .svga11y-hero { flex-direction: column; }
    .svga11y-hero__panel { min-width: 0; justify-content: flex-start; }
    .svga11y-findings { grid-template-columns: 1fr; }

    .svga11y-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .svga11y-stat:nth-child(3) { border-right: none; }
    .svga11y-stat:nth-child(1),
    .svga11y-stat:nth-child(2),
    .svga11y-stat:nth-child(3) { border-bottom: 1px solid var(--border); }
}

@media (max-width: 640px) {
    .svga11y-actions { grid-template-columns: 1fr; }
    .svga11y-dropzone,
    .svga11y-card-header,
    .svga11y-card-header--preview { align-items: stretch; flex-direction: column; display: flex; }

    .svga11y-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .svga11y-stat:nth-child(3) { border-right: 1px solid var(--border); }
    .svga11y-stat:nth-child(2),
    .svga11y-stat:nth-child(4) { border-right: none; }
    .svga11y-stat:nth-child(1),
    .svga11y-stat:nth-child(2),
    .svga11y-stat:nth-child(3),
    .svga11y-stat:nth-child(4) { border-bottom: 1px solid var(--border); }
}

@media (max-width: 460px) {
    .svga11y-action-buttons { flex-direction: column; align-items: stretch; }
    .svga11y-action-buttons .svga11y-button { width: 100%; }

    .svga11y-stats { grid-template-columns: 1fr; }
    .svga11y-stat { border-right: none; border-bottom: 1px solid var(--border); }
    .svga11y-stat:last-child { border-bottom: none; }

    .svga11y-hero,
    .svga11y-actions,
    .svga11y-stats,
    .svga11y-preview-card,
    .svga11y-code-card,
    .svga11y-report { border-radius: 14px; }
}