:root {
    --kpct-primary: linear-gradient(135deg, #4f46e5 0%, #3b82f6 100%);
    --kpct-bg-card: #ffffff;
    --kpct-bg-body: #f8fafc;
    --kpct-border: #e2e8f0;
    --kpct-text: #0f172a;
    --kpct-text-muted: #64748b;
    --kpct-success: #10b981;
    --kpct-danger: #ef4444;
    --kpct-warning: #f59e0b;
    --kpct-info: #06b6d4;
    --kpct-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

.kpct-dark {
    --kpct-bg-card: #1e293b;
    --kpct-bg-body: #0f172a;
    --kpct-border: #334155;
    --kpct-text: #f8fafc;
    --kpct-text-muted: #94a3b8;
}

.kpct-wrapper {
    font-family: var(--kpct-font);
    background: var(--kpct-bg-body);
    color: var(--kpct-text);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid var(--kpct-border);
    max-width: 1000px;
    margin: 20px auto;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
    transition: background 0.3s elements, color 0.3s setup;
}

.kpct-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--kpct-border);
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.kpct-header-row h2 {
    margin: 0 !important;
    font-size: 24px;
    font-weight: 700;
    color: var(--kpct-text);
}

.kpct-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.kpct-form-group {
    display: flex;
    flex-direction: column;
}

.kpct-form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 14px;
}

.kpct-input-icon-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.kpct-input-icon {
    position: absolute;
    left: 12px;
    color: var(--kpct-text-muted);
}

.kpct-wrapper input[type="text"],
.kpct-wrapper input[type="url"],
.kpct-wrapper select {
    width: 100% !important;
    padding: 10px 12px 10px 35px !important;
    border: 1px solid var(--kpct-border) !important;
    background: var(--kpct-bg-card) !important;
    color: var(--kpct-text) !important;
    border-radius: 6px !important;
    outline: none !important;
    box-sizing: border-box !important;
    height: 44px !important;
}

.kpct-wrapper select {
    padding-left: 15px !important;
}

.kpct-actions-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.kpct-btn-primary {
    background: var(--kpct-primary);
    color: white !important;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 2px 4px rgba(79, 70, 229, 0.2);
}

.kpct-btn-secondary, .kpct-btn-success, .kpct-btn-info {
    border: 1px solid var(--kpct-border);
    background: var(--kpct-bg-card);
    color: var(--kpct-text) !important;
    padding: 12px 20px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.kpct-btn-success { border-color: var(--kpct-success); color: var(--kpct-success) !important; }
.kpct-btn-info { border-color: var(--kpct-info); color: var(--kpct-info) !important; }

.kpct-alert {
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 15px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}
.kpct-alert-warning { background: rgba(245, 158, 11, 0.15); color: var(--kpct-warning); border: 1px solid var(--kpct-warning); }
.kpct-alert-danger { background: rgba(239, 68, 68, 0.15); color: var(--kpct-danger); border: 1px solid var(--kpct-danger); }

.kpct-progress-bar-container {
    width: 100%;
    background: var(--kpct-border);
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
}
.kpct-progress-bar-fill {
    height: 100%;
    width: 0%;
    background: var(--kpct-primary);
    transition: width 0.4s linear;
}

.kpct-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.kpct-card {
    background: var(--kpct-bg-card);
    border: 1px solid var(--kpct-border);
    padding: 20px;
    border-radius: 8px;
}

.kpct-summary-card {
    text-align: center;
}
.kpct-summary-card h3 {
    margin: 10px 0 0 0 !important;
    font-size: 28px;
    font-weight: 800;
}

.kpct-card-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--kpct-text-muted);
}

.kpct-score-meter-wrapper {
    background: var(--kpct-border);
    border-radius: 20px;
    margin-top: 10px;
    overflow: hidden;
}
.kpct-score-meter {
    background: var(--kpct-success);
    color: white;
    font-size: 11px;
    font-weight: bold;
    padding: 4px 0;
    text-align: center;
    transition: width 0.5s ease-out;
}

.kpct-url-display {
    word-break: break-all;
    background: var(--kpct-bg-body);
    padding: 10px;
    border-radius: 4px;
    font-family: monospace;
}

.kpct-serp-item {
    padding: 15px;
    border-bottom: 1px solid var(--kpct-border);
}
.kpct-serp-item:last-child { border-bottom: none; }
.kpct-serp-item.highlighted-row {
    background: rgba(16, 185, 129, 0.08);
    border-left: 4px solid var(--kpct-success);
}

.kpct-serp-title {
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 4px 0;
}
.kpct-serp-title a { color: #1a0dab; text-decoration: none; }
.kpct-dark .kpct-serp-title a { color: #8ab4f8; }
.kpct-serp-url { color: #006621; font-size: 13px; margin-bottom: 4px; word-break: break-all; }
.kpct-dark .kpct-serp-url { color: var(--kpct-success); }
.kpct-serp-snippet { color: var(--kpct-text-muted); font-size: 13px; }

.kpct-table-responsive { width: 100%; overflow-x: auto; }
.kpct-table { width: 100%; border-collapse: collapse; text-align: left; }
.kpct-table th, .kpct-table td { padding: 12px; border-bottom: 1px solid var(--kpct-border); }
.kpct-table th { background: var(--kpct-bg-card); font-weight: 600; }

.kpct-hidden { display: none !important; }
.kpct-mt-10 { margin-top: 10px; }
.kpct-mt-15 { margin-top: 15px; }
.kpct-mt-20 { margin-top: 20px; }
.kpct-mt-30 { margin-top: 30px; }
.kpct-text-center { text-align: center; }

@media(max-width: 600px) {
    .kpct-actions-row .kpct-btn-primary, 
    .kpct-actions-row .kpct-btn-secondary,
    .kpct-actions-row .kpct-btn-success,
    .kpct-actions-row .kpct-btn-info {
        width: 100%;
        justify-content: center;
    }
}