:root {
    --kst-gradient-primary: linear-gradient(135deg, #059669 0%, #047857 100%);
    --kst-bg-card: #ffffff;
    --kst-bg-body: #f1f5f9;
    --kst-border: #cbd5e1;
    --kst-text: #1e293b;
    --kst-text-muted: #64748b;
    --kst-success: #10b981;
    --kst-danger: #ef4444;
    --kst-warning: #f59e0b;
    --kst-info: #3b82f6;
    --kst-radius: 10px;
    --kst-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

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

.kst-wrapper {
    font-family: var(--kst-font);
    background: var(--kst-bg-body);
    color: var(--kst-text);
    padding: 25px;
    border-radius: var(--kst-radius);
    border: 1px solid var(--kst-border);
    max-width: 1000px;
    margin: 20px auto;
    box-shadow: 0 4px 10px rgba(0,0,0,0.04);
    transition: background 0.25s, color 0.25s;
}

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

.kst-brand-meta h2 {
    margin: 0 0 4px 0 !important;
    font-size: 24px;
    font-weight: 700;
    color: var(--kst-text);
}

.kst-brand-meta p {
    margin: 0 !important;
    font-size: 13px;
    color: var(--kst-text-muted);
}

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

.kst-flex-2 {
    grid-column: span 2;
}

@media(max-width: 768px) {
    .kst-flex-2 { grid-column: span 1; }
}

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

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

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

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

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

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

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

.kst-btn-primary {
    background: var(--kst-gradient-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(5, 150, 105, 0.2);
}

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

.kst-btn-sm {
    padding: 8px 14px;
    font-size: 13px;
}

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

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

.kst-progress-bar-container {
    width: 100%;
    background: var(--kst-border);
    height: 6px;
    border-radius: 3px;
    overflow: hidden;
}
.kst-progress-bar-fill {
    height: 100%;
    width: 0%;
    background: var(--kst-gradient-primary);
    transition: width 0.3s ease;
}

.kst-global-export-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--kst-bg-card);
    padding: 15px 20px;
    border-radius: 8px;
    border: 1px solid var(--kst-border);
    flex-wrap: wrap;
    gap: 15px;
}

.kst-global-export-row h4 { margin: 0 !important; font-size: 16px; font-weight: 700; }
.kst-export-buttons { display: flex; gap: 10px; flex-wrap: wrap; }

.kst-tabs-wrapper {
    display: flex;
    gap: 8px;
    border-bottom: 2px solid var(--kst-border);
    padding-bottom: 2px;
    overflow-x: auto;
}

.kst-tab-btn {
    background: transparent;
    border: none;
    padding: 10px 16px;
    color: var(--kst-text-muted);
    font-weight: 600;
    cursor: pointer;
    font-size: 14px;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.kst-tab-btn.kst-active {
    color: var(--kst-success);
    border-bottom-color: var(--kst-success);
}

.kst-table-responsive { width: 100%; overflow-x: auto; background: var(--kst-bg-card); border-radius: 8px; border: 1px solid var(--kst-border); }
.kst-table { width: 100%; border-collapse: collapse; text-align: left; }
.kst-table th, .kst-table td { padding: 14px 18px; border-bottom: 1px solid var(--kst-border); font-size: 14px; }
.kst-table th { background: rgba(0,0,0,0.02); font-weight: 700; color: var(--kst-text); }
.kst-dark .kst-table th { background: rgba(255,255,255,0.02); }

.kst-intent-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: bold;
    text-transform: uppercase;
}
.kst-intent-informational { background: rgba(59, 130, 246, 0.15); color: #2563eb; }
.kst-intent-commercial { background: rgba(245, 158, 11, 0.15); color: #d97706; }
.kst-intent-transactional { background: rgba(16, 185, 129, 0.15); color: #059669; }

.kst-diff-badge {
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.kst-diff-easy { color: var(--kst-success); }
.kst-diff-medium { color: var(--kst-warning); }
.kst-diff-hard { color: var(--kst-danger); }

.kst-action-copy-trigger {
    background: transparent;
    border: 1px solid var(--kst-border);
    color: var(--kst-text-muted);
    width: 32px;
    height: 32px;
    border-radius: 4px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}
.kst-action-copy-trigger:hover {
    border-color: var(--kst-success);
    color: var(--kst-success);
    background: rgba(16, 185, 129, 0.05);
}

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