:root {
    --wct-primary: linear-gradient(135deg, #4f46e5 0%, #3b82f6 100%);
    --wct-primary-hover: linear-gradient(135deg, #4338ca 0%, #2563eb 100%);
    --wct-secondary: linear-gradient(135deg, #6b7280 0%, #4b5563 100%);
    --wct-secondary-hover: linear-gradient(135deg, #4b5563 0%, #374151 100%);
    --wct-danger: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --wct-danger-hover: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    --wct-bg-card: #ffffff;
    --wct-bg-container: #f9fafb;
    --wct-border: #e5e7eb;
    --wct-text-main: #1f2937;
    --wct-text-muted: #6b7280;
    --wct-radius: 12px;
    --wct-transition: all 0.25s ease-in-out;
}

.wct-container {
    background-color: var(--wct-bg-container);
    border: 1px solid var(--wct-border);
    border-radius: var(--wct-radius);
    padding: 25px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--wct-text-main);
    max-width: 1000px;
    margin: 20px auto;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

/* Actions Bar */
.wct-actions-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 15px;
}

.wct-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    color: #ffffff !important;
    cursor: pointer;
    transition: var(--wct-transition);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.wct-btn i {
    font-size: 14px;
    color: #ffffff;
}

.wct-btn-primary { background: var(--wct-primary); }
.wct-btn-primary:hover { background: var(--wct-primary-hover); transform: translateY(-1px); }

.wct-btn-secondary { background: var(--wct-secondary); }
.wct-btn-secondary:hover { background: var(--wct-secondary-hover); transform: translateY(-1px); }

.wct-btn-danger { background: var(--wct-danger); }
.wct-btn-danger:hover { background: var(--wct-danger-hover); transform: translateY(-1px); }

/* Textarea Layout */
.wct-textarea-wrapper {
    position: relative;
    margin-bottom: 25px;
}

#wct-textarea {
    width: 100%;
    height: 220px;
    padding: 15px;
    border: 2px solid var(--wct-border);
    border-radius: var(--wct-radius);
    font-size: 16px;
    line-height: 1.6;
    color: var(--wct-text-main);
    background-color: #ffffff;
    resize: vertical;
    transition: var(--wct-transition);
    box-sizing: border-box;
}

#wct-textarea:focus {
    border-color: #3b82f6;
    outline: none;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
}

.wct-warning-message {
    margin-top: 8px;
    padding: 8px 12px;
    background-color: #fef2f2;
    border-left: 4px solid #ef4444;
    color: #991b1b;
    font-size: 13px;
    border-radius: 0 6px 6px 0;
    animation: fadeIn 0.3s ease;
}

/* Sections */
.wct-section-title {
    font-size: 18px;
    font-weight: 700;
    margin: 30px 0 15px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--wct-text-main);
    border-bottom: 2px solid var(--wct-border);
    padding-bottom: 8px;
}

/* Main Grid Dashboard Cards */
.wct-grid {
    display: grid;
    gap: 15px;
}

.wct-main-metrics {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.wct-card {
    background: var(--wct-bg-card);
    border: 1px solid var(--wct-border);
    border-radius: var(--wct-radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
    transition: var(--wct-transition);
}

.wct-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.wct-card-icon {
    font-size: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 55px;
    height: 55px;
    border-radius: 50%;
}

.wct-card-primary .wct-card-icon { background: #eff6ff; color: #2563eb; }
.wct-card-success .wct-card-icon { background: #f0fdf4; color: #16a34a; }
.wct-card-info .wct-card-icon { background: #f5f3ff; color: #7c3aed; }

.wct-card-info {
    display: flex;
    flex-direction: column;
}

.wct-card-label {
    font-size: 13px;
    color: var(--wct-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.wct-card-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--wct-text-main);
    margin-top: 2px;
}

/* Detailed Dashboard Grid */
.wct-detailed-metrics {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.wct-detail-item {
    background: #ffffff;
    border: 1px solid var(--wct-border);
    padding: 14px 16px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--wct-transition);
}

.wct-detail-item:hover {
    background-color: #fecaca50; /* soft touch on hover */
    border-color: #cbd5e1;
}

.wct-detail-label {
    font-size: 14px;
    color: var(--wct-text-muted);
}

.wct-detail-value {
    font-size: 15px;
    font-weight: 600;
    color: var(--wct-text-main);
    text-align: right;
    word-break: break-all;
    max-width: 50%;
}

/* Data Table Keyword Density */
.wct-density-wrapper {
    background: #ffffff;
    border: 1px solid var(--wct-border);
    border-radius: var(--wct-radius);
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.wct-density-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 14px;
    margin: 0 !important;
}

.wct-density-table th, 
.wct-density-table td {
    padding: 12px 18px;
    border-bottom: 1px solid var(--wct-border);
}

.wct-density-table th {
    background-color: #f3f4f6;
    font-weight: 600;
    color: var(--wct-text-main);
}

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

.wct-density-table tbody tr:hover {
    background-color: #f9fafb;
}

.wct-table-empty {
    text-align: center;
    color: var(--wct-text-muted);
    padding: 30px !important;
    font-style: italic;
}

/* Keyframe Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive Adaptive Adjustments */
@media (max-width: 640px) {
    .wct-container { padding: 15px; }
    .wct-actions-bar { width: 100%; }
    .wct-btn { flex: 1 1 calc(50% - 10px); justify-content: center; font-size: 13px; padding: 10px; }
    #wct-textarea { height: 180px; }
    .wct-main-metrics { grid-template-columns: 1fr; }
    .wct-detailed-metrics { grid-template-columns: 1fr; }
    .wct-detail-value { max-width: 60%; }
}