/* ═══════════════════════════════════════════════
   GSC Cannibalization Detector v2 — Modern SaaS UI
   ═══════════════════════════════════════════════ */

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

/* ── Container ───────────────────────────────── */
.gsccd {
    max-width: 1100px;
    margin: 2rem auto;
    font-family: var(--gsccd-font);
    color: var(--gsccd-text);
    background: var(--gsccd-bg);
    border-radius: var(--gsccd-radius);
    border: 1px solid var(--gsccd-border);
    box-shadow: var(--gsccd-shadow-lg);
    overflow: hidden;
}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

/* ── Sliders ─────────────────────────────────── */
.gsccd-slider-row {
    display: flex;
    align-items: center;
    gap: .75rem;
}

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

.gsccd-slider-value {
    min-width: 3.5rem;
    text-align: center;
    font-size: .85rem;
    font-weight: 700;
    color: var(--gsccd-primary);
    background: var(--gsccd-primary-lt);
    padding: .25rem .6rem;
    border-radius: 6px;
}

/* ── Input fields ────────────────────────────── */
.gsccd-input {
    font-family: var(--gsccd-font);
    font-size: .875rem;
    padding: .5rem .75rem;
    border: 1px solid var(--gsccd-border);
    border-radius: var(--gsccd-radius-sm);
    background: var(--gsccd-card);
    color: var(--gsccd-text);
    transition: border-color .15s ease, box-shadow .15s ease;
    box-sizing: border-box;
}
.gsccd-input:focus {
    outline: none;
    border-color: var(--gsccd-primary);
    box-shadow: 0 0 0 3px rgba(79,70,229,.15);
}
.gsccd-input::placeholder {
    color: #94a3b8;
}
.gsccd-input:disabled {
    opacity: .5;
    cursor: not-allowed;
    background: #f1f5f9;
}

.gsccd-input-sm {
    width: 100px;
    padding: .4rem .6rem;
    font-size: .8rem;
}

/* ── Label inline (checkbox + text) ──────────── */
.gsccd-label-inline {
    display: flex !important;
    flex-direction: row !important;
    align-items: center;
    gap: .45rem;
    cursor: pointer;
    text-transform: uppercase;
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .04em;
    color: var(--gsccd-text-muted);
}

.gsccd-label-inline input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--gsccd-primary);
    cursor: pointer;
    margin: 0;
}

/* ── Export buttons group ────────────────────── */
.gsccd-export-buttons {
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
}

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

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

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

/* ── Progress bar ────────────────────────────── */
.gsccd-progress-bar {
    width: 100%;
    height: 4px;
    background: var(--gsccd-border);
    border-radius: 2px;
    overflow: hidden;
}

.gsccd-progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--gsccd-primary), var(--gsccd-accent));
    transition: width .3s ease;
    border-radius: 2px;
}

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

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

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

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

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

.gsccd-stat-danger {
    border-color: #fca5a5;
    background: linear-gradient(135deg, #fef2f2, #fee2e2);
}
.gsccd-stat-danger strong {
    color: #dc2626;
}

/* ═══════════════════════════════════════════════
   FILTERS BAR
   ═══════════════════════════════════════════════ */

.gsccd-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-end;
    padding: 1rem 1.25rem;
    background: var(--gsccd-card);
    border: 1px solid var(--gsccd-border);
    border-radius: var(--gsccd-radius-sm);
}

.gsccd-filter-group {
    display: flex;
    flex-direction: column;
    gap: .3rem;
}

.gsccd-filter-group label {
    font-size: .72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--gsccd-text-muted);
}

.gsccd-filter-group-label-hidden {
    visibility: hidden;
}

.gsccd-filter-search-group {
    flex: 1;
    min-width: 180px;
}

.gsccd-filter-search-group .gsccd-input {
    width: 100%;
}

.gsccd-filter-actions {
    margin-left: auto;
}

.gsccd-filter-group .gsccd-select-sm {
    font-size: .8rem;
    padding: .45rem .65rem;
    width: auto;
    min-width: 120px;
}

/* ═══════════════════════════════════════════════
   RESULTS TABLE
   ═══════════════════════════════════════════════ */

.gsccd-results {
    background: var(--gsccd-card);
    border: 1px solid var(--gsccd-border);
    border-radius: var(--gsccd-radius-sm);
    overflow: hidden;
}

.gsccd-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .84rem;
}

.gsccd-table th {
    background: #f1f5f9;
    font-weight: 600;
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .03em;
    color: var(--gsccd-text-muted);
    padding: .65rem .75rem;
    text-align: left;
    border-bottom: 1px solid var(--gsccd-border);
    white-space: nowrap;
}

.gsccd-table td {
    padding: .6rem .75rem;
    border-bottom: 1px solid #f1f5f9;
    color: var(--gsccd-text);
    vertical-align: middle;
}

.gsccd-table tr:last-child td {
    border-bottom: none;
}

.gsccd-table tbody tr:hover {
    background: #f8fafc;
}

/* ── Sortable headers ────────────────────────── */
.gsccd-th-sortable {
    cursor: pointer;
    user-select: none;
    position: relative;
    transition: background .12s ease;
}

.gsccd-th-sortable:hover {
    background: #e2e8f0;
}

.gsccd-sorted-asc::after {
    content: ' \25B2';
    font-size: .65rem;
}

.gsccd-sorted-desc::after {
    content: ' \25BC';
    font-size: .65rem;
}

/* ── Expand button ───────────────────────────── */
.gsccd-btn-expand {
    background: none;
    border: none;
    cursor: pointer;
    font-size: .8rem;
    color: var(--gsccd-primary);
    padding: .15rem .35rem;
    border-radius: 4px;
    transition: background .1s ease;
    line-height: 1;
}

.gsccd-btn-expand:hover {
    background: var(--gsccd-primary-lt);
}

/* ── Severity badges ─────────────────────────── */
.gsccd-badge {
    display: inline-block;
    font-size: .7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    padding: .2rem .6rem;
    border-radius: 4px;
    white-space: nowrap;
}

.gsccd-badge-critical {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.gsccd-badge-high {
    background: #fff7ed;
    color: #9a3412;
    border: 1px solid #fed7aa;
}

.gsccd-badge-medium {
    background: #fffbeb;
    color: #92400e;
    border: 1px solid #fde68a;
}

.gsccd-badge-low {
    background: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

/* ── Recommendation badges ───────────────────── */
.gsccd-reco {
    display: inline-block;
    font-size: .75rem;
    font-weight: 500;
    padding: .2rem .6rem;
    border-radius: 4px;
    cursor: help;
    max-width: 200px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.gsccd-reco-merge {
    background: #fef2f2;
    color: #991b1b;
}

.gsccd-reco-canonical {
    background: #eff6ff;
    color: #1e40af;
}

.gsccd-reco-low {
    background: #f0fdf4;
    color: #166534;
}

.gsccd-reco-differentiate {
    background: #fffbeb;
    color: #92400e;
}

.gsccd-reco-review {
    background: #f8fafc;
    color: #475569;
    border: 1px solid var(--gsccd-border);
}

/* ── Detail sub-table (expanded rows) ────────── */
.gsccd-detail-row td {
    padding: 0 .75rem .75rem !important;
    background: #f8fafc;
    border-bottom: 2px solid var(--gsccd-border) !important;
}

.gsccd-detail-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .8rem;
    margin-top: .5rem;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--gsccd-border);
}

.gsccd-detail-table th {
    background: #e2e8f0;
    font-size: .7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .03em;
    color: var(--gsccd-text-muted);
    padding: .45rem .6rem;
    text-align: left;
    border-bottom: 1px solid var(--gsccd-border);
}

.gsccd-detail-table td {
    padding: .4rem .6rem;
    border-bottom: 1px solid #f1f5f9;
    font-size: .8rem;
}

.gsccd-detail-table tr:last-child td {
    border-bottom: none;
}

.gsccd-detail-best td {
    font-weight: 600;
    background: #f0fdf4;
}

.gsccd-detail-table td a {
    color: var(--gsccd-primary);
    text-decoration: none;
    font-size: .78rem;
    word-break: break-all;
}
.gsccd-detail-table td a:hover {
    text-decoration: underline;
}

/* ── Ignored rows ────────────────────────────── */
.gsccd-row-ignored {
    opacity: .45;
}
.gsccd-row-ignored td {
    text-decoration: line-through;
}

/* ── Ignore/restore button ───────────────────── */
.gsccd-btn-ignore {
    font-size: .72rem;
    font-weight: 500;
    padding: .2rem .55rem;
    background: var(--gsccd-bg);
    border: 1px solid var(--gsccd-border);
    border-radius: 4px;
    cursor: pointer;
    color: var(--gsccd-text-muted);
    font-family: var(--gsccd-font);
    transition: all .12s ease;
}
.gsccd-btn-ignore:hover {
    background: var(--gsccd-danger);
    color: #fff;
    border-color: var(--gsccd-danger);
}

.gsccd-row-ignored .gsccd-btn-ignore:hover {
    background: var(--gsccd-success);
    border-color: var(--gsccd-success);
}

/* ── No results ──────────────────────────────── */
.gsccd-no-results {
    text-align: center;
    padding: 2rem !important;
    color: var(--gsccd-text-muted);
    font-style: italic;
}

/* ═══════════════════════════════════════════════
   PAGINATION
   ═══════════════════════════════════════════════ */

.gsccd-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
    padding: 1rem;
    flex-wrap: wrap;
}

.gsccd-page-btn {
    min-width: 32px;
    text-align: center;
    padding: .3rem .5rem !important;
    font-size: .78rem !important;
}

.gsccd-page-active {
    background: var(--gsccd-primary) !important;
    color: #fff !important;
    border-color: var(--gsccd-primary) !important;
}

.gsccd-page-ellipsis {
    color: var(--gsccd-text-muted);
    font-size: .85rem;
    padding: 0 .3rem;
}

.gsccd-page-info {
    margin-left: auto;
    font-size: .78rem;
    color: var(--gsccd-text-muted);
}

/* ── Responsive ──────────────────────────────── */
@media (max-width: 768px) {
    .gsccd {
        margin: 1rem;
        border-radius: var(--gsccd-radius-sm);
    }
    .gsccd-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .gsccd-settings-panel {
        grid-template-columns: 1fr;
    }
    .gsccd-stats {
        flex-direction: column;
    }
    .gsccd-filters {
        flex-direction: column;
        align-items: stretch;
    }
    .gsccd-filter-actions {
        margin-left: 0;
    }
    .gsccd-export-buttons {
        flex-direction: column;
    }
    .gsccd-table {
        font-size: .75rem;
    }
    .gsccd-table th,
    .gsccd-table td {
        padding: .45rem .5rem;
    }
    .gsccd-reco {
        max-width: 130px;
        font-size: .68rem;
    }
    .gsccd-pagination {
        gap: .25rem;
    }
}

@media (max-width: 480px) {
    .gsccd-main {
        padding: 1rem;
    }
    .gsccd-table th:nth-child(6),
    .gsccd-table td:nth-child(6) {
        display: none;
    }
}