/* =========================================================
   llms.txt Validator - ltv-
   Accent: #6366F1 (violet)
   ========================================================= */

.ltv-section {
    --tool-accent: #6366F1;
    --tool-accent-rgb: 99, 102, 241;
}

/* ── Card ────────────────────────────────────────────────── */
.ltv-card {
    padding: 0;
    overflow: hidden;
}

/* ── Input method toggle ─────────────────────────────────── */
.ltv-input-toggle {
    display: flex;
    border-bottom: 1px solid var(--border);
    background: var(--surface-2);
}

.ltv-inp-btn {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.85rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s;
    margin-bottom: -1px;
}

.ltv-inp-btn:hover {
    color: var(--text);
}

.ltv-inp-btn--active {
    color: var(--tool-accent);
    border-bottom-color: var(--tool-accent);
}

/* ── Input panels ────────────────────────────────────────── */
.ltv-input-panel {
    padding: 1.5rem 1.75rem;
    border-bottom: 1px solid var(--border);
}

.ltv-input-panel--hidden {
    display: none;
}

/* Paste zone wrapper */
.ltv-paste-zone {
    border: 1px solid rgba(var(--tool-accent-rgb), 0.25);
    border-radius: 12px;
    background: var(--surface-2);
    overflow: hidden;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.ltv-paste-zone:focus-within {
    border-color: rgba(var(--tool-accent-rgb), 0.55);
    box-shadow: 0 0 0 3px rgba(var(--tool-accent-rgb), 0.1);
}

/* Paste textarea */
.ltv-paste-ta {
    width: 100%;
    min-height: 260px;
    padding: 18px 20px;
    font-family: var(--font-mono, 'Fira Code', 'Cascadia Code', 'Consolas', monospace);
    font-size: 0.875rem;
    line-height: 1.65;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text);
    resize: vertical;
    display: block;
    box-sizing: border-box;
}

.ltv-paste-ta::placeholder {
    color: var(--text-muted);
    font-family: inherit;
}

/* Stats bar below textarea */
.ltv-paste-stats-bar {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 7px 16px;
    border-top: 1px solid var(--border);
    background: var(--surface-3, var(--surface-2));
}

.ltv-paste-stat {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.ltv-paste-stat--hint {
    margin-left: auto;
    opacity: 0.65;
}

.ltv-paste-actions {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    justify-content: flex-end;
    margin-top: 0.75rem;
}

.ltv-validate-btn {
    gap: 0.4rem;
}

/* URL bar */
.ltv-url-bar {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 0.5rem;
}

.ltv-url-input-wrap {
    position: relative;
    flex: 1;
}

.ltv-url-icon {
    position: absolute;
    left: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.05rem;
    pointer-events: none;
}

.ltv-url-input {
    width: 100%;
    padding-left: 2.5rem !important;
    font-size: 0.92rem;
    height: 2.75rem;
}

.ltv-url-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.ltv-url-hint a {
    color: var(--color-primary, #4f46e5);
    text-decoration: underline;
}

.ltv-url-hint a:hover {
    opacity: 0.8;
}

/* ── Progress ────────────────────────────────────────────── */
.ltv-progress {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1rem 1.75rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}

@keyframes ltv-spin {
    to {
        transform: rotate(360deg);
    }
}

.ltv-spin {
    animation: ltv-spin 0.9s linear infinite;
}

/* ── Error ───────────────────────────────────────────────── */
.ltv-error-msg {
    margin: 1rem 1.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    font-size: 0.88rem;
}

/* ── Results ─────────────────────────────────────────────── */
.ltv-results {
    padding: 1.75rem;
}

/* ── Score row ───────────────────────────────────────────── */
.ltv-score-row {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 1.25rem 1.5rem;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 1.5rem;
}

/* Arc SVG */
.ltv-score-wrap {
    position: relative;
    width: 120px;
    height: 120px;
    flex-shrink: 0;
}

.ltv-arc-svg {
    transform: rotate(-90deg);
}

.ltv-arc-bg {
    fill: none;
    stroke: var(--border);
    stroke-width: 10;
}

.ltv-arc-fill {
    fill: none;
    stroke: var(--tool-accent);
    stroke-width: 10;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.8s ease, stroke 0.4s;
}

.ltv-arc-fill--warn {
    stroke: #F59E0B;
}

.ltv-arc-fill--fail {
    stroke: #EF4444;
}

.ltv-score-inner {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    line-height: 1;
}

.ltv-score-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text);
}

.ltv-score-denom {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Verdict */
.ltv-verdict-wrap {
    flex: 1;
}

.ltv-grade {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--tool-accent);
    line-height: 1;
    margin-bottom: 0.35rem;
}

.ltv-grade--B,
.ltv-grade--C {
    color: #F59E0B;
}

.ltv-grade--D,
.ltv-grade--F {
    color: #EF4444;
}

.ltv-grade-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.6rem;
}

.ltv-file-stats {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.ltv-file-stat {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* ── Checks header ───────────────────────────────────────── */
.ltv-checks-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.ltv-checks-header h2 {
    font-size: 1rem;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ltv-checks-badge {
    font-size: 0.75rem;
    padding: 0.15em 0.55em;
    border-radius: 20px;
    background: var(--surface-2);
    color: var(--text-muted);
    font-weight: 600;
}

/* ── Checks list ─────────────────────────────────────────── */
.ltv-checks-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.ltv-check-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface-2);
}

.ltv-check-item--pass {
    border-color: rgba(16, 185, 129, 0.3);
}

.ltv-check-item--warn {
    border-color: rgba(245, 158, 11, 0.3);
}

.ltv-check-item--fail {
    border-color: rgba(239, 68, 68, 0.3);
}

.ltv-check-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.ltv-check-icon--pass {
    color: var(--tool-accent);
}

.ltv-check-icon--warn {
    color: #F59E0B;
}

.ltv-check-icon--fail {
    color: #EF4444;
}

.ltv-check-body {
    flex: 1;
    min-width: 0;
}

.ltv-check-title {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.15rem;
}

.ltv-check-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.ltv-check-pts {
    font-size: 0.78rem;
    font-weight: 700;
    flex-shrink: 0;
    padding: 0.2em 0.55em;
    border-radius: 4px;
    margin-top: 0.1rem;
}

.ltv-check-pts--pass {
    background: rgba(var(--tool-accent-rgb), 0.12);
    color: var(--tool-accent);
}

.ltv-check-pts--warn {
    background: rgba(245, 158, 11, 0.12);
    color: #F59E0B;
}

.ltv-check-pts--fail {
    background: rgba(239, 68, 68, 0.1);
    color: #EF4444;
}

/* ── Suggestions ─────────────────────────────────────────── */
.ltv-suggestions {
    margin-bottom: 1.5rem;
}

.ltv-suggestions h2 {
    font-size: 1rem;
    font-weight: 700;
    margin: 0 0 0.75rem;
}

.ltv-suggestions-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.ltv-suggestion-card {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: rgba(245, 158, 11, 0.06);
    border: 1px solid rgba(245, 158, 11, 0.25);
    border-radius: var(--radius-sm);
}

.ltv-sug-icon {
    font-size: 1rem;
    color: #F59E0B;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.ltv-sug-text {
    font-size: 0.85rem;
    color: var(--text);
    line-height: 1.55;
}

/* ── Result actions ──────────────────────────────────────── */
.ltv-result-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* ── Validate buttons - solid violet primary ─────────────── */
.ltv-validate-btn.tool-btn {
    background: var(--tool-accent) !important;
    color: #fff !important;
    border-color: var(--tool-accent) !important;
    height: 2.5rem;
}

.ltv-validate-btn.tool-btn:hover {
    background: #4f52d3 !important;
    border-color: #4f52d3 !important;
}

.ltv-validate-btn.tool-btn:disabled {
    background: var(--surface-3, #e5e7eb) !important;
    color: var(--text-muted) !important;
    border-color: transparent !important;
    cursor: not-allowed;
}

/* ── Clear button - danger ghost ─────────────────────────── */
.ltv-clear-btn.tool-btn {
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.35);
    background: rgba(239, 68, 68, 0.06);
    height: 2.5rem;
}

.ltv-clear-btn.tool-btn:hover {
    background: rgba(239, 68, 68, 0.12);
    border-color: #ef4444;
}

/* ── Re-validate - accent outline ────────────────────────── */
#ltv-revalidate-btn.tool-btn {
    color: var(--tool-accent);
    border-color: var(--tool-accent);
    background: transparent;
}

#ltv-revalidate-btn.tool-btn:hover {
    background: rgba(var(--tool-accent-rgb), 0.08);
}

/* ── Generate link button - solid violet ─────────────────── */
#ltv-generate-btn.tool-btn {
    background: var(--tool-accent);
    color: #fff;
    border-color: var(--tool-accent);
}

#ltv-generate-btn.tool-btn:hover {
    background: #4f52d3;
    border-color: #4f52d3;
}

/* ── URL validate button height alignment ────────────────── */
#ltv-validate-url-btn.tool-btn {
    background: var(--tool-accent) !important;
    color: #fff !important;
    border-color: var(--tool-accent) !important;
    height: 2.75rem;
    flex-shrink: 0;
}

#ltv-validate-url-btn.tool-btn:hover {
    background: #4f52d3 !important;
    border-color: #4f52d3 !important;
}

/* ── Upload panel ────────────────────────────────────────── */
.ltv-upload-dropzone {
    display: block;
    border: 2px dashed rgba(var(--tool-accent-rgb), 0.3);
    border-radius: 16px;
    background: rgba(var(--tool-accent-rgb), 0.03);
    padding: 3.5rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    outline: none;
    margin-bottom: 0.85rem;
}

.ltv-upload-dropzone:hover,
.ltv-upload-dropzone:focus-visible,
.ltv-upload-dropzone--drag {
    border-color: rgba(var(--tool-accent-rgb), 0.6);
    background: rgba(var(--tool-accent-rgb), 0.07);
}

.ltv-upload-dropzone--drag {
    border-color: var(--tool-accent);
    background: rgba(var(--tool-accent-rgb), 0.1);
}

.ltv-upload-dropzone--ready {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.05);
}

.ltv-upload-dropzone--error {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.05);
}

.ltv-upload-icon {
    font-size: 3rem;
    color: var(--tool-accent);
    opacity: 0.65;
    margin-bottom: 14px;
    display: block;
}

.ltv-upload-dropzone--ready .ltv-upload-icon {
    color: #10b981;
    opacity: 1;
}

.ltv-upload-dropzone--error .ltv-upload-icon {
    color: #ef4444;
    opacity: 1;
}

.ltv-upload-main {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--text-primary, var(--text));
    margin: 0 0 6px;
}

.ltv-upload-sub {
    font-size: 1rem;
    color: var(--text-secondary, var(--text-muted));
    margin: 0 0 10px;
}

.ltv-upload-formats {
    font-size: 0.8125rem;
    color: var(--text-tertiary, #9CA3AF);
    margin: 0;
}

.ltv-upload-actions {
    display: flex;
    gap: 0.6rem;
    justify-content: flex-end;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 600px) {
    .ltv-score-row {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .ltv-inp-btn {
        flex: 1;
        justify-content: center;
        padding: 0.85rem 0.5rem;
        font-size: 0.8rem;
        gap: 0.3rem;
    }
}