/* ═══════════════════════════════════════════════
   GSC Internal Linker v2 — Modern SaaS UI
   with Rich HTML editor support
   ═══════════════════════════════════════════════ */

/* ── Variables ───────────────────────────────── */
:root {
    --gscil-primary:     #4f46e5;
    --gscil-primary-dk:  #4338ca;
    --gscil-primary-lt:  #e0e7ff;
    --gscil-accent:      #06b6d4;
    --gscil-success:     #22c55e;
    --gscil-warning:     #f59e0b;
    --gscil-danger:      #ef4444;
    --gscil-bg:          #f8fafc;
    --gscil-card:        #ffffff;
    --gscil-border:      #e2e8f0;
    --gscil-text:        #1e293b;
    --gscil-text-muted:  #64748b;
    --gscil-radius:      12px;
    --gscil-radius-sm:   8px;
    --gscil-shadow:      0 1px 3px rgba(0,0,0,.08), 0 4px 12px rgba(0,0,0,.04);
    --gscil-shadow-lg:   0 4px 24px rgba(0,0,0,.10);
    --gscil-font:        -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* ── Container ───────────────────────────────── */
.gscil {
    max-width: 900px;
    margin: 2rem auto;
    font-family: var(--gscil-font);
    color: var(--gscil-text);
    background: var(--gscil-bg);
    border-radius: var(--gscil-radius);
    border: 1px solid var(--gscil-border);
    box-shadow: var(--gscil-shadow-lg);
    overflow: hidden;
}

/* ── Header ──────────────────────────────────── */
.gscil-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1.25rem 1.75rem;
    background: var(--gscil-card);
    border-bottom: 1px solid var(--gscil-border);
}

.gscil-logo {
    display: flex;
    align-items: center;
    gap: .6rem;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--gscil-primary);
}

/* ── Buttons ─────────────────────────────────── */
.gscil-btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .6rem 1.25rem;
    font-size: .875rem;
    font-weight: 600;
    border: none;
    border-radius: var(--gscil-radius-sm);
    cursor: pointer;
    transition: all .15s ease;
    font-family: var(--gscil-font);
}

.gscil-btn:disabled {
    opacity: .5;
    cursor: not-allowed;
}

.gscil-btn-google {
    background: var(--gscil-card);
    color: var(--gscil-text);
    border: 1px solid var(--gscil-border);
    box-shadow: 0 1px 2px rgba(0,0,0,.06);
}
.gscil-btn-google:hover:not(:disabled) {
    background: #f1f5f9;
    box-shadow: 0 2px 6px rgba(0,0,0,.08);
}

.gscil-btn-primary {
    background: var(--gscil-primary);
    color: #fff;
    font-size: .95rem;
    padding: .75rem 1.75rem;
    box-shadow: 0 2px 8px rgba(79,70,229,.3);
}
.gscil-btn-primary:hover:not(:disabled) {
    background: var(--gscil-primary-dk);
    box-shadow: 0 4px 14px rgba(79,70,229,.35);
    transform: translateY(-1px);
}

.gscil-btn-sm {
    padding: .35rem .85rem;
    font-size: .8rem;
    background: var(--gscil-primary-lt);
    color: var(--gscil-primary);
    border: 1px solid transparent;
}
.gscil-btn-sm:hover {
    background: var(--gscil-primary);
    color: #fff;
}

/* ── User info ───────────────────────────────── */
.gscil-user-info {
    display: flex;
    align-items: center;
    gap: .75rem;
    font-size: .875rem;
    color: var(--gscil-text-muted);
}

/* ── Notices ──────────────────────────────────── */
.gscil-notice {
    margin: 0;
    padding: .85rem 1.75rem;
    font-size: .875rem;
    font-weight: 500;
    border-bottom: 1px solid var(--gscil-border);
}
.gscil-notice-error   { background: #fef2f2; color: #991b1b; }
.gscil-notice-warning { background: #fffbeb; color: #92400e; }
.gscil-notice-success { background: #f0fdf4; color: #166534; }
.gscil-notice-info    { background: #eff6ff; color: #1e40af; }

/* ── Main content ────────────────────────────── */
.gscil-main {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* ── Fields ──────────────────────────────────── */
.gscil-field {
    display: flex;
    flex-direction: column;
    gap: .4rem;
}

.gscil-field label {
    font-size: .8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--gscil-text-muted);
}

.gscil-label-hint {
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
    font-size: .78rem;
    opacity: .75;
}

.gscil-field select {
    font-family: var(--gscil-font);
    font-size: .925rem;
    padding: .7rem .85rem;
    border: 1px solid var(--gscil-border);
    border-radius: var(--gscil-radius-sm);
    background: var(--gscil-card);
    color: var(--gscil-text);
    transition: border-color .15s ease, box-shadow .15s ease;
    width: 100%;
    box-sizing: border-box;
}
.gscil-field select:focus {
    outline: none;
    border-color: var(--gscil-primary);
    box-shadow: 0 0 0 3px rgba(79,70,229,.15);
}

/* ── Sliders ─────────────────────────────────── */
.gscil-sliders {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    background: var(--gscil-card);
    padding: 1.25rem;
    border-radius: var(--gscil-radius-sm);
    border: 1px solid var(--gscil-border);
}

.gscil-slider-row {
    display: flex;
    align-items: center;
    gap: .75rem;
}

.gscil-slider-row input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: var(--gscil-border);
    border-radius: 3px;
    outline: none;
}
.gscil-slider-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: var(--gscil-primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 1px 4px rgba(79,70,229,.35);
    transition: transform .1s;
}
.gscil-slider-row input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}
.gscil-slider-row input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--gscil-primary);
    border-radius: 50%;
    border: none;
    cursor: pointer;
}

.gscil-slider-value {
    min-width: 3rem;
    text-align: center;
    font-size: .85rem;
    font-weight: 700;
    color: var(--gscil-primary);
    background: var(--gscil-primary-lt);
    padding: .25rem .6rem;
    border-radius: 6px;
}

/* ═══════════════════════════════════════════════
   RICH TEXT EDITOR (contenteditable)
   ═══════════════════════════════════════════════ */

.gscil-editor-wrap {
    border: 1px solid var(--gscil-border);
    border-radius: var(--gscil-radius-sm);
    overflow: hidden;
    background: var(--gscil-card);
    transition: border-color .15s ease, box-shadow .15s ease;
}
.gscil-editor-wrap:focus-within {
    border-color: var(--gscil-primary);
    box-shadow: 0 0 0 3px rgba(79,70,229,.15);
}

/* Toolbar */
.gscil-editor-toolbar {
    display: flex;
    align-items: center;
    gap: .35rem;
    padding: .45rem .65rem;
    background: #f8fafc;
    border-bottom: 1px solid var(--gscil-border);
    flex-wrap: wrap;
}

.gscil-tb-btn {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    padding: .3rem .65rem;
    font-size: .78rem;
    font-weight: 500;
    font-family: var(--gscil-font);
    color: var(--gscil-text-muted);
    background: transparent;
    border: 1px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    transition: all .12s ease;
}
.gscil-tb-btn:hover {
    background: var(--gscil-primary-lt);
    color: var(--gscil-primary);
    border-color: var(--gscil-primary-lt);
}

.gscil-tb-sep {
    width: 1px;
    height: 20px;
    background: var(--gscil-border);
    margin: 0 .25rem;
}

.gscil-editor-badge {
    margin-left: auto;
    font-size: .7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--gscil-success);
    background: #f0fdf4;
    padding: .2rem .55rem;
    border-radius: 4px;
}
.gscil-editor-badge-source {
    color: var(--gscil-warning);
    background: #fffbeb;
}

/* Visual editor (contenteditable) */
.gscil-editor {
    min-height: 260px;
    max-height: 520px;
    overflow-y: auto;
    padding: 1.1rem 1.25rem;
    font-size: .925rem;
    line-height: 1.7;
    color: var(--gscil-text);
    outline: none;
}

/* Placeholder when empty */
.gscil-editor:empty::before {
    content: attr(data-placeholder);
    color: #94a3b8;
    pointer-events: none;
}

/* ── Rich content inside the editor ──────────── */
.gscil-editor h1,
.gscil-editor h2,
.gscil-editor h3,
.gscil-editor h4,
.gscil-editor h5,
.gscil-editor h6 {
    margin: .85em 0 .4em;
    line-height: 1.3;
    color: var(--gscil-text);
}
.gscil-editor h1 { font-size: 1.65rem; }
.gscil-editor h2 { font-size: 1.35rem; }
.gscil-editor h3 { font-size: 1.15rem; }
.gscil-editor h4 { font-size: 1.05rem; }
.gscil-editor h5 { font-size: .95rem; }
.gscil-editor h6 { font-size: .88rem; }

.gscil-editor p {
    margin: .6em 0;
}

.gscil-editor ul,
.gscil-editor ol {
    padding-left: 1.5em;
    margin: .6em 0;
}
.gscil-editor li {
    margin-bottom: .25em;
}

.gscil-editor strong,
.gscil-editor b {
    font-weight: 700;
}
.gscil-editor em,
.gscil-editor i {
    font-style: italic;
}

.gscil-editor blockquote {
    border-left: 3px solid var(--gscil-primary-lt);
    padding: .5em 1em;
    margin: .6em 0;
    color: var(--gscil-text-muted);
    background: #fafafe;
    border-radius: 0 6px 6px 0;
}

.gscil-editor table {
    width: 100%;
    border-collapse: collapse;
    margin: .8em 0;
    font-size: .875rem;
}
.gscil-editor th,
.gscil-editor td {
    border: 1px solid var(--gscil-border);
    padding: .5em .75em;
    text-align: left;
}
.gscil-editor th {
    background: #f1f5f9;
    font-weight: 600;
}
.gscil-editor tr:nth-child(even) td {
    background: #fafafa;
}

.gscil-editor code {
    background: #f1f5f9;
    padding: .15em .4em;
    border-radius: 4px;
    font-size: .88em;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

.gscil-editor pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 1em;
    border-radius: 8px;
    overflow-x: auto;
    font-size: .85em;
    line-height: 1.5;
    margin: .8em 0;
}
.gscil-editor pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.gscil-editor a {
    color: var(--gscil-primary);
    text-decoration: underline;
}

.gscil-editor img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
}

.gscil-editor hr {
    border: none;
    border-top: 1px solid var(--gscil-border);
    margin: 1em 0;
}

/* Source editor (textarea fallback) */
.gscil-editor-source {
    width: 100%;
    box-sizing: border-box;
    min-height: 260px;
    max-height: 520px;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: .84rem;
    line-height: 1.55;
    padding: 1rem 1.15rem;
    border: none;
    background: #1e293b;
    color: #e2e8f0;
    resize: vertical;
    outline: none;
}
.gscil-editor-source::placeholder {
    color: #64748b;
}

/* ── Loading ─────────────────────────────────── */
.gscil-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .75rem;
    padding: 1.5rem;
    color: var(--gscil-text-muted);
    font-size: .9rem;
}

.gscil-spinner {
    width: 22px;
    height: 22px;
    border: 3px solid var(--gscil-border);
    border-top-color: var(--gscil-primary);
    border-radius: 50%;
    animation: gscil-spin .65s linear infinite;
}

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

/* ── Stats ───────────────────────────────────── */
.gscil-stats {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.gscil-stat {
    flex: 1;
    min-width: 120px;
    background: var(--gscil-card);
    border: 1px solid var(--gscil-border);
    border-radius: var(--gscil-radius-sm);
    padding: 1rem;
    text-align: center;
}

.gscil-stat strong {
    display: block;
    font-size: 1.5rem;
    color: var(--gscil-primary);
    line-height: 1.2;
}

.gscil-stat span {
    font-size: .78rem;
    color: var(--gscil-text-muted);
    text-transform: uppercase;
    letter-spacing: .03em;
}

.gscil-stat-fuzzy {
    border-color: #c4b5fd;
    background: linear-gradient(135deg, #faf5ff, #f5f3ff);
}
.gscil-stat-fuzzy strong {
    color: #7c3aed;
}

.gscil-stat-dup {
    border-color: #fde68a;
    background: linear-gradient(135deg, #fffbeb, #fef3c7);
}
.gscil-stat-dup strong {
    color: #d97706;
}

/* ═══════════════════════════════════════════════
   OUTPUT — rich preview + raw HTML toggle
   ═══════════════════════════════════════════════ */

.gscil-output-wrap {
    background: var(--gscil-card);
    border: 1px solid var(--gscil-border);
    border-radius: var(--gscil-radius-sm);
    overflow: hidden;
}

.gscil-output-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .85rem 1.15rem;
    background: #f8fafc;
    border-bottom: 1px solid var(--gscil-border);
    flex-wrap: wrap;
    gap: .5rem;
}

.gscil-output-header label {
    font-size: .8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--gscil-text-muted);
}

.gscil-output-actions {
    display: flex;
    gap: .4rem;
}

/* ── Rich preview (mirrors editor styling) ──── */
.gscil-output-preview {
    padding: 1.25rem;
    line-height: 1.8;
    font-size: .925rem;
    max-height: 480px;
    overflow-y: auto;
}

/* All elements inside the output preview */
.gscil-output-preview h1,
.gscil-output-preview h2,
.gscil-output-preview h3,
.gscil-output-preview h4,
.gscil-output-preview h5,
.gscil-output-preview h6 {
    margin: .85em 0 .4em;
    line-height: 1.3;
    color: var(--gscil-text);
}
.gscil-output-preview h1 { font-size: 1.65rem; }
.gscil-output-preview h2 { font-size: 1.35rem; }
.gscil-output-preview h3 { font-size: 1.15rem; }
.gscil-output-preview h4 { font-size: 1.05rem; }

.gscil-output-preview p {
    margin: .6em 0;
}

.gscil-output-preview ul,
.gscil-output-preview ol {
    padding-left: 1.5em;
    margin: .6em 0;
}
.gscil-output-preview li {
    margin-bottom: .25em;
}

.gscil-output-preview strong,
.gscil-output-preview b {
    font-weight: 700;
}
.gscil-output-preview em,
.gscil-output-preview i {
    font-style: italic;
}

.gscil-output-preview blockquote {
    border-left: 3px solid var(--gscil-primary-lt);
    padding: .5em 1em;
    margin: .6em 0;
    color: var(--gscil-text-muted);
    background: #fafafe;
    border-radius: 0 6px 6px 0;
}

.gscil-output-preview table {
    width: 100%;
    border-collapse: collapse;
    margin: .8em 0;
    font-size: .875rem;
}
.gscil-output-preview th,
.gscil-output-preview td {
    border: 1px solid var(--gscil-border);
    padding: .5em .75em;
    text-align: left;
}
.gscil-output-preview th {
    background: #f1f5f9;
    font-weight: 600;
}
.gscil-output-preview tr:nth-child(even) td {
    background: #fafafa;
}

.gscil-output-preview code {
    background: #f1f5f9;
    padding: .15em .4em;
    border-radius: 4px;
    font-size: .88em;
}

.gscil-output-preview pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 1em;
    border-radius: 8px;
    overflow-x: auto;
    font-size: .85em;
}

.gscil-output-preview hr {
    border: none;
    border-top: 1px solid var(--gscil-border);
    margin: 1em 0;
}

/* Links inserted by the tool */
.gscil-output-preview a {
    color: var(--gscil-primary);
    text-decoration: underline;
    text-decoration-color: rgba(79,70,229,.35);
    text-underline-offset: 2px;
    font-weight: 600;
    transition: text-decoration-color .15s;
    background: linear-gradient(to top, rgba(79,70,229,.08) 0%, rgba(79,70,229,.08) 30%, transparent 30%);
    padding: 0 1px;
    border-radius: 2px;
}
.gscil-output-preview a:hover {
    text-decoration-color: var(--gscil-primary);
    background: linear-gradient(to top, rgba(79,70,229,.15) 0%, rgba(79,70,229,.15) 30%, transparent 30%);
}

/* Raw HTML textarea */
.gscil-output-html {
    width: 100%;
    box-sizing: border-box;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: .82rem;
    line-height: 1.55;
    padding: 1rem 1.15rem;
    border: none;
    border-top: 1px solid var(--gscil-border);
    background: #1e293b;
    color: #e2e8f0;
    resize: vertical;
    min-height: 200px;
}

/* ═══════════════════════════════════════════════
   LINK REMOVE BUTTON (hover ✕ on each link)
   ═══════════════════════════════════════════════ */

.gscil-output-preview a.gscil-removable {
    position: relative;
}

.gscil-link-remove {
    display: none;
    position: absolute;
    top: -8px;
    right: -8px;
    width: 18px;
    height: 18px;
    line-height: 18px;
    text-align: center;
    font-size: 10px;
    font-weight: 700;
    font-style: normal;
    text-decoration: none;
    color: #fff;
    background: var(--gscil-danger);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 1px 4px rgba(239,68,68,.4);
    z-index: 2;
    transition: transform .1s;
}
.gscil-link-remove:hover {
    transform: scale(1.2);
}

.gscil-output-preview a.gscil-removable:hover .gscil-link-remove {
    display: block;
}

/* ═══════════════════════════════════════════════
   RECAP TABLE
   ═══════════════════════════════════════════════ */

.gscil-recap-wrap {
    background: var(--gscil-card);
    border: 1px solid var(--gscil-border);
    border-radius: var(--gscil-radius-sm);
    overflow: hidden;
}

.gscil-recap-header {
    padding: .85rem 1.15rem;
    background: #f8fafc;
    border-bottom: 1px solid var(--gscil-border);
}
.gscil-recap-header label {
    font-size: .8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--gscil-text-muted);
}

.gscil-recap-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .84rem;
}
.gscil-recap-table th {
    background: #f1f5f9;
    font-weight: 600;
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .03em;
    color: var(--gscil-text-muted);
    padding: .55rem .75rem;
    text-align: left;
    border-bottom: 1px solid var(--gscil-border);
}
.gscil-recap-table td {
    padding: .55rem .75rem;
    border-bottom: 1px solid #f1f5f9;
    color: var(--gscil-text);
    vertical-align: middle;
}
.gscil-recap-table tr:last-child td {
    border-bottom: none;
}
.gscil-recap-table tbody tr:hover {
    background: #f8fafc;
}
.gscil-recap-table td a {
    color: var(--gscil-primary);
    text-decoration: none;
    font-size: .8rem;
    word-break: break-all;
}
.gscil-recap-table td a:hover {
    text-decoration: underline;
}

/* Removed row (link was deleted via ✕) */
.gscil-recap-removed {
    opacity: .4;
    text-decoration: line-through;
}
.gscil-recap-removed td {
    text-decoration: line-through;
}

/* Badges */
.gscil-badge {
    display: inline-block;
    font-size: .7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    padding: .15rem .5rem;
    border-radius: 4px;
}
.gscil-badge-exact {
    background: #f0fdf4;
    color: #166534;
}
.gscil-badge-fuzzy {
    background: #faf5ff;
    color: #7c3aed;
}

/* Page dedup stat */
.gscil-stat-page {
    border-color: #fed7aa;
    background: linear-gradient(135deg, #fff7ed, #ffedd5);
}
.gscil-stat-page strong {
    color: #ea580c;
}

/* ── Responsive ──────────────────────────────── */
@media (max-width: 640px) {
    .gscil-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .gscil-sliders {
        grid-template-columns: 1fr;
    }
    .gscil-stats {
        flex-direction: column;
    }
    .gscil-output-header {
        flex-direction: column;
        align-items: flex-start;
    }
}