/* ─────────────────────────────────────────────────────────────────────────────
   COU SEO Suite Pro — Admin CSS
   ───────────────────────────────────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --cou-primary: #0f172a;
    /* Deep Slate 900 */
    --cou-accent: #4f46e5;
    /* Vibrant Indigo 600 */
    --cou-accent-lt: #eef2ff;
    /* Light Indigo 50 */
    --cou-success: #10b981;
    /* Emerald 500 */
    --cou-warning: #f59e0b;
    /* Amber 500 */
    --cou-danger: #ef4444;
    /* Red 500 */
    --cou-info: #3b82f6;
    /* Blue 500 */
    --cou-gray-50: #f8fafc;
    --cou-gray-100: #f1f5f9;
    --cou-gray-200: #e2e8f0;
    --cou-gray-400: #94a3b8;
    --cou-gray-600: #475569;
    --cou-gray-800: #1e293b;
    --cou-radius: 12px;
    --cou-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
}

/* ── Reset para el panel ── */
#cou-seo-wrap,
#cou-seo-wrap * {
    font-family: 'Inter', -apple-system, sans-serif;
    box-sizing: border-box;
}

#cou-seo-wrap h1 {
    color: var(--cou-primary);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 10px;
}

#cou-seo-wrap h2 {
    color: var(--cou-gray-800);
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 16px;
}

#cou-seo-wrap p.cou-subtitle {
    color: var(--cou-gray-600);
    margin: 0 0 24px;
    font-size: 14px;
}

/* ── Header de página ── */
.cou-page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(135deg, var(--cou-primary) 0%, #312e81 100%);
    color: #fff;
    padding: 30px 36px;
    border-radius: var(--cou-radius);
    margin-bottom: 28px;
    box-shadow: 0 10px 15px -3px rgba(15, 23, 42, 0.1);
}

.cou-page-header h1 {
    color: #fff;
    margin: 0;
    font-size: 22px;
}

.cou-page-header p {
    color: rgba(255, 255, 255, .8);
    margin: 4px 0 0;
    font-size: 13px;
}

.cou-page-header .cou-badge-version {
    background: rgba(255, 255, 255, .2);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

/* ── Grid de widgets ── */
.cou-dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

/* ── Cards ── */
.cou-card {
    background: #fff;
    border-radius: var(--cou-radius);
    box-shadow: var(--cou-shadow);
    padding: 24px 28px;
    border: 1px solid var(--cou-gray-200);
    transition: box-shadow .2s, transform .2s;
}

.cou-card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, .12);
}

.cou-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.cou-card-icon {
    font-size: 22px;
}

.cou-card-title {
    font-weight: 600;
    color: var(--cou-gray-800);
    font-size: 14px;
}

/* ── Stat number ── */
.cou-stat-number {
    font-size: 38px;
    font-weight: 700;
    color: var(--cou-accent);
    line-height: 1;
}

.cou-stat-label {
    font-size: 12px;
    color: var(--cou-gray-600);
    margin-top: 4px;
}

/* ── Score circle ── */
.cou-score-circle {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    font-weight: 700;
    margin: 0 auto 10px;
    border: 4px solid var(--cou-gray-200);
}

.cou-score-circle.good {
    border-color: var(--cou-success);
    color: var(--cou-success);
}

.cou-score-circle.warning {
    border-color: var(--cou-warning);
    color: var(--cou-warning);
}

.cou-score-circle.bad {
    border-color: var(--cou-danger);
    color: var(--cou-danger);
}

/* ── Severity badges ── */
.cou-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.cou-badge.critical {
    background: #fee2e2;
    color: #991b1b;
}

.cou-badge.warning {
    background: #fef3c7;
    color: #92400e;
}

.cou-badge.info {
    background: #dbeafe;
    color: #1e40af;
}

.cou-badge.success {
    background: #dcfce7;
    color: #166534;
}

.cou-badge.gray {
    background: var(--cou-gray-100);
    color: var(--cou-gray-600);
}

/* ── Buttons ── */
.cou-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all .15s;
    text-decoration: none;
}

.cou-btn-primary {
    background: var(--cou-accent);
    color: #fff;
}

.cou-btn-secondary {
    background: var(--cou-gray-100);
    color: var(--cou-gray-800);
    border: 1px solid var(--cou-gray-200);
}

.cou-btn-danger {
    background: var(--cou-danger);
    color: #fff;
}

.cou-btn-success {
    background: var(--cou-success);
    color: #fff;
}

.cou-btn:hover {
    opacity: .88;
    transform: translateY(-1px);
}

.cou-btn:disabled {
    opacity: .5;
    cursor: not-allowed;
    transform: none;
}

.cou-btn-full {
    width: 100%;
    justify-content: center;
}

/* ── Tables ── */
.cou-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.cou-table th {
    background: var(--cou-gray-50);
    color: var(--cou-gray-600);
    font-weight: 600;
    padding: 10px 14px;
    text-align: left;
    border-bottom: 2px solid var(--cou-gray-200);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .4px;
}

.cou-table td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--cou-gray-100);
    color: var(--cou-gray-800);
    vertical-align: middle;
}

.cou-table tr:hover td {
    background: var(--cou-gray-50);
}

/* ── Forms ── */
.cou-form-row {
    margin-bottom: 18px;
}

.cou-form-row label {
    display: block;
    font-weight: 600;
    font-size: 13px;
    color: var(--cou-gray-800);
    margin-bottom: 6px;
}

.cou-form-row input[type=text],
.cou-form-row input[type=password],
.cou-form-row input[type=number],
.cou-form-row select,
.cou-form-row textarea {
    width: 100%;
    max-width: 480px;
    padding: 9px 12px;
    border: 1px solid var(--cou-gray-200);
    border-radius: 6px;
    font-size: 13px;
    color: var(--cou-gray-800);
    transition: border-color .15s;
    outline: none;
}

.cou-form-row input:focus,
.cou-form-row select:focus,
.cou-form-row textarea:focus {
    border-color: var(--cou-accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}

.cou-form-desc {
    font-size: 12px;
    color: var(--cou-gray-400);
    margin-top: 4px;
}

/* ── Toggle / Checkbox ── */
.cou-toggle-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.cou-toggle-row label {
    font-size: 13px;
    color: var(--cou-gray-800);
    cursor: pointer;
    margin: 0;
}

/* ── Tabs ── */
.cou-tabs {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid var(--cou-gray-200);
    margin-bottom: 24px;
}

.cou-tab-btn {
    padding: 10px 20px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: var(--cou-gray-600);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all .15s;
    border-radius: 6px 6px 0 0;
}

.cou-tab-btn.active,
.cou-tab-btn:hover {
    color: var(--cou-accent);
    border-bottom-color: var(--cou-accent);
    background: var(--cou-accent-lt);
}

.cou-tab-panel {
    display: none;
}

.cou-tab-panel.active {
    display: block;
}

/* ── Progress bar ── */
.cou-progress {
    background: var(--cou-gray-200);
    border-radius: 20px;
    height: 8px;
    overflow: hidden;
    margin: 8px 0;
}

.cou-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--cou-accent), #60a5fa);
    border-radius: 20px;
    transition: width .4s ease;
}

/* ── Log timeline ── */
.cou-log-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.cou-log-item {
    display: flex;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--cou-gray-100);
    font-size: 12px;
}

.cou-log-item:last-child {
    border-bottom: none;
}

.cou-log-time {
    color: var(--cou-gray-400);
    white-space: nowrap;
    min-width: 115px;
}

.cou-log-module {
    font-weight: 700;
    color: var(--cou-accent);
    min-width: 70px;
}

.cou-log-msg {
    color: var(--cou-gray-800);
}

.cou-log-item.error .cou-log-msg {
    color: var(--cou-danger);
}

.cou-log-item.success .cou-log-msg {
    color: var(--cou-success);
}

.cou-log-item.warning .cou-log-msg {
    color: var(--cou-warning);
}

/* ── Notices ── */
.cou-notice {
    padding: 14px 18px;
    border-radius: 8px;
    margin-bottom: 18px;
    font-size: 13px;
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.cou-notice.success {
    background: #f0fdf4;
    border-left: 4px solid var(--cou-success);
    color: #166534;
}

.cou-notice.error {
    background: #fef2f2;
    border-left: 4px solid var(--cou-danger);
    color: #991b1b;
}

.cou-notice.warning {
    background: #fffbeb;
    border-left: 4px solid var(--cou-warning);
    color: #92400e;
}

.cou-notice.info {
    background: #eff6ff;
    border-left: 4px solid var(--cou-accent);
    color: #1e40af;
}

/* ── Meta box ── */
.cou-seo-meta {
    font-size: 13px;
}

.cou-seo-btn-full {
    width: 100%;
    text-align: center;
    margin-top: 6px;
}

/* ── Spinner ── */
.cou-spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid var(--cou-gray-200);
    border-top-color: var(--cou-accent);
    border-radius: 50%;
    animation: cou-spin .65s linear infinite;
}

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

/* ── Section separator ── */
.cou-section {
    margin-bottom: 32px;
}

.cou-section-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--cou-primary);
    border-bottom: 2px solid var(--cou-gray-200);
    padding-bottom: 10px;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ── Keyword / SERP table chips ── */
.cou-chip {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}

.cou-chip.easy {
    background: #dcfce7;
    color: #166534;
}

.cou-chip.medium {
    background: #fef3c7;
    color: #92400e;
}

.cou-chip.hard {
    background: #fee2e2;
    color: #991b1b;
}

/* ── Responsive ── */
@media (max-width: 960px) {
    .cou-dashboard-grid {
        grid-template-columns: 1fr;
    }

    .cou-page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}

/* ── Toggle switch (TL;DR / FAQ inyecciones) ── */
.cou-toggle-track {
    position: absolute;
    inset: 0;
    background: #cbd5e1;
    border-radius: 22px;
    transition: background .25s;
    cursor: pointer;
}

/* Cuando el checkbox está checked, colorea el track */
input[type="checkbox"]:checked~.cou-toggle-track {
    background: var(--cou-accent);
}

/* Thumb del toggle */
.cou-toggle-thumb {
    position: absolute;
    left: 3px;
    top: 3px;
    width: 16px;
    height: 16px;
    background: #fff;
    border-radius: 50%;
    transition: left .25s;
    pointer-events: none;
    box-shadow: 0 1px 3px rgba(0, 0, 0, .2);
}

input[type="checkbox"]:checked~.cou-toggle-thumb {
    left: 23px;
}

/* ── Filtros del Optimizador ── */
.cou-ai-opp-filter.active {
    background: var(--cou-accent) !important;
    color: #fff !important;
    border-color: var(--cou-accent) !important;
}

#cou-ai-group-btn.grouped {
    background: #6366f1 !important;
    color: #fff !important;
    border-color: #6366f1 !important;
}