/* ═══════════════════════════════════════════════════════════
   YouTube Keyword Research Tool — Page-Specific CSS
   Layout and positioning only. Uses shared components.
   ═══════════════════════════════════════════════════════════ */

/* ── Social Proof ── */
.kwr-social-proof {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-top: var(--space-3);
}
.kwr-social-proof i {
    color: var(--color-primary);
    margin-right: var(--space-1);
}

/* ── Search Section ── */
.kwr-search {
    margin-bottom: var(--space-6);
}
.kwr-search__title {
    font-family: var(--font-display);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin: 0 0 var(--space-1) 0;
}
.kwr-search__hint {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin: 0 0 var(--space-4) 0;
}
.kwr-search__row {
    display: flex;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}
.kwr-search__input-wrap {
    flex: 1;
    margin-bottom: 0;
}
.kwr-search__input {
    font-size: var(--font-size-base) !important;
    padding: 12px 16px !important;
}
.kwr-search__btn {
    white-space: nowrap;
    padding: 12px 24px;
    font-size: var(--font-size-base);
}
.kwr-search__options {
    display: flex;
    gap: var(--space-3);
}
.kwr-search__option {
    flex: 0 0 auto;
    min-width: 140px;
    margin-bottom: 0;
}
.kwr-search__option .form-label {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-bottom: var(--space-1);
}
.kwr-search__option .form-control {
    font-size: var(--font-size-sm);
    padding: 6px 10px;
}

/* ── Loading State ── */
.kwr-loading {
    text-align: center;
    padding: var(--space-12) var(--space-4);
}
.kwr-loading__spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: kwrSpin 0.8s linear infinite;
    margin: 0 auto var(--space-4);
}
@keyframes kwrSpin {
    to { transform: rotate(360deg); }
}
.kwr-loading__text {
    font-family: var(--font-display);
    font-size: var(--font-size-lg);
    color: var(--color-gray-800);
    margin: 0 0 var(--space-2) 0;
}
.kwr-loading__subtext {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin: 0;
}

/* ── Stats Bar ── */
.kwr-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}
.kwr-stat {
    text-align: center;
    padding: var(--space-3) var(--space-2);
    background: var(--color-gray-50);
    border-radius: 8px;
}
.kwr-stat__value {
    display: block;
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.1;
}
.kwr-stat__label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-top: var(--space-1);
}

/* ── Tabs (overrides for tab counts) ── */
.kwr-tabs {
    margin-bottom: var(--space-4);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.kwr-tab-count {
    display: inline-block;
    background: var(--color-gray-100);
    color: var(--color-gray-600);
    font-size: var(--font-size-xs);
    font-weight: 600;
    padding: 1px 6px;
    border-radius: 10px;
    margin-left: 4px;
    line-height: 1.4;
}
.tabs__item--active .kwr-tab-count {
    background: var(--color-primary);
    color: var(--color-white, #fff);
}

/* ── Controls Row ── */
.kwr-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    flex-wrap: wrap;
}
.kwr-controls__left {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex: 1;
    min-width: 0;
}
.kwr-controls__right {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}
.kwr-filter-wrap {
    flex: 1;
    max-width: 280px;
    margin-bottom: 0;
}
.kwr-filter-input {
    font-size: var(--font-size-sm) !important;
    padding: 6px 12px !important;
}
.kwr-sort-select {
    font-size: var(--font-size-sm);
    padding: 6px 10px;
    min-width: 180px;
}

/* ── Keywords Table ── */
.kwr-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: var(--space-4);
}
.kwr-table {
    width: 100%;
    font-size: var(--font-size-sm);
}
.kwr-table thead th {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-gray-500);
    font-weight: 600;
    padding: 8px 10px;
    border-bottom: 2px solid var(--color-gray-200);
    white-space: nowrap;
}
.kwr-table tbody tr {
    transition: background 150ms ease;
}
.kwr-table tbody tr:hover {
    background: var(--color-gray-50);
}
.kwr-table tbody td {
    padding: 8px 10px;
    vertical-align: middle;
    border-bottom: 1px solid var(--color-gray-100);
}
.kwr-th-check,
.kwr-td-check {
    width: 36px;
    text-align: center;
}
.kwr-th-keyword { min-width: 200px; }
.kwr-th-volume,
.kwr-th-difficulty { width: 90px; text-align: center; }
.kwr-th-opportunity { width: 120px; text-align: center; }
.kwr-th-words { width: 60px; text-align: center; }
.kwr-th-actions { width: 44px; }

.kwr-td-volume,
.kwr-td-difficulty { text-align: center; }
.kwr-td-words { text-align: center; color: var(--color-gray-500); }

.kwr-keyword-text {
    font-weight: 500;
    color: var(--color-gray-800);
    word-break: break-word;
}

/* ── Volume & Difficulty Pills ── */
.kwr-pill {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    text-transform: capitalize;
    line-height: 1.4;
}
.kwr-vol--high {
    background: rgba(16, 185, 129, 0.12);
    color: var(--color-success, #059669);
}
.kwr-vol--medium {
    background: rgba(245, 158, 11, 0.12);
    color: var(--color-warning, #d97706);
}
.kwr-vol--low {
    background: var(--color-gray-100);
    color: var(--color-gray-500);
}
.kwr-diff--easy {
    background: rgba(16, 185, 129, 0.12);
    color: var(--color-success, #059669);
}
.kwr-diff--medium {
    background: rgba(245, 158, 11, 0.12);
    color: var(--color-warning, #d97706);
}
.kwr-diff--hard {
    background: rgba(239, 68, 68, 0.12);
    color: var(--color-danger, #dc2626);
}

/* ── Opportunity Bar ── */
.kwr-td-opportunity {
    text-align: center;
}
.kwr-opp-bar {
    display: inline-block;
    width: 60px;
    height: 6px;
    background: var(--color-gray-100);
    border-radius: 3px;
    overflow: hidden;
    vertical-align: middle;
    margin-right: 6px;
}
.kwr-opp-bar__fill {
    height: 100%;
    border-radius: 3px;
    transition: width 300ms ease;
}
.kwr-opp--high { background: var(--color-success, #059669); }
.kwr-opp--medium { background: var(--color-warning, #d97706); }
.kwr-opp--low { background: var(--color-gray-400); }
.kwr-opp-score {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-gray-700);
    vertical-align: middle;
}

/* ── Copy Button ── */
.kwr-copy-one {
    padding: 4px 8px !important;
    min-width: 0 !important;
    color: var(--color-gray-400);
}
.kwr-copy-one:hover {
    color: var(--color-primary);
}

/* ── Show More ── */
.kwr-show-more {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}
.kwr-show-more__count {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

/* ── Clusters Panel ── */
.kwr-clusters__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-3);
}
.kwr-cluster-card {
    background: var(--color-white, #fff);
    border: 1px solid var(--color-gray-200);
    border-radius: 8px;
    padding: var(--space-4);
    transition: all 150ms ease;
}
.kwr-cluster-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}
.kwr-cluster-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-3);
}
.kwr-cluster-card__name {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: var(--font-size-base);
    color: var(--color-gray-800);
}
.kwr-cluster-card__count {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    background: var(--color-gray-100);
    padding: 2px 8px;
    border-radius: 10px;
}
.kwr-cluster-card__keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.kwr-cluster-tag {
    display: inline-block;
    font-size: var(--font-size-xs);
    background: var(--color-gray-50);
    color: var(--color-gray-700);
    padding: 3px 10px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 150ms ease;
    border: 1px solid var(--color-gray-200);
}
.kwr-cluster-tag:hover {
    background: var(--color-primary);
    color: var(--color-white, #fff);
    border-color: var(--color-primary);
}
.kwr-cluster-more {
    font-size: var(--font-size-xs);
    color: var(--color-gray-400);
    padding: 3px 6px;
    font-style: italic;
}

/* ── Empty State ── */
.kwr-empty {
    text-align: center;
    color: var(--color-gray-500);
    padding: var(--space-8) var(--space-4);
    font-size: var(--font-size-sm);
}

/* ── Action Bar ── */
.kwr-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-gray-200);
    flex-wrap: wrap;
}

/* ── Section Title (FAQ) ── */
.kwr-section-title {
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin: 0 0 var(--space-4) 0;
}

/* ── Fallback Toast (when showNotification not available) ── */
.kwr-toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--color-gray-800);
    color: var(--color-white, #fff);
    padding: 10px 20px;
    border-radius: 8px;
    font-size: var(--font-size-sm);
    z-index: 9999;
    opacity: 0;
    transition: all 300ms ease;
    pointer-events: none;
}
.kwr-toast--success { background: var(--color-success, #059669); }
.kwr-toast--error { background: var(--color-danger, #dc2626); }
.kwr-toast--visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ═══════════════════════════════════════════════════════════
   MOBILE (375px floor)
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 767px) {
    .kwr-search__row {
        flex-direction: column;
        gap: var(--space-2);
    }
    .kwr-search__btn {
        width: 100%;
    }
    .kwr-search__options {
        flex-direction: column;
        gap: var(--space-2);
    }
    .kwr-search__option {
        min-width: 0;
        width: 100%;
    }

    .kwr-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-2);
    }
    .kwr-stat__value {
        font-size: 22px;
    }

    .kwr-tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        gap: 0;
    }

    .kwr-controls {
        flex-direction: column;
        align-items: stretch;
    }
    .kwr-controls__left {
        flex-direction: column;
    }
    .kwr-controls__right {
        justify-content: flex-start;
        flex-wrap: wrap;
    }
    .kwr-filter-wrap {
        max-width: none;
        width: 100%;
    }
    .kwr-sort-select {
        width: 100%;
        min-width: 0;
    }

    /* Table: hide less important columns on mobile */
    .kwr-th-opportunity,
    .kwr-td-opportunity,
    .kwr-th-words,
    .kwr-td-words {
        display: none;
    }
    .kwr-th-keyword { min-width: 120px; }
    .kwr-table {
        font-size: var(--font-size-xs);
    }
    .kwr-table thead th,
    .kwr-table tbody td {
        padding: 6px 6px;
    }

    .kwr-clusters__grid {
        grid-template-columns: 1fr;
    }

    .kwr-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .kwr-actions .button {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .kwr-controls__right .button--sm {
        font-size: var(--font-size-xs);
        padding: 4px 8px;
    }
}