:root {
    --ltk-gradient-primary: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    --ltk-bg-card: #ffffff;
    --ltk-bg-body: #f8fafc;
    --ltk-border: #e2e8f0;
    --ltk-text: #0f172a;
    --ltk-text-muted: #64748b;
    --ltk-success: #10b981;
    --ltk-danger: #ef4444;
    --ltk-warning: #f59e0b;
    --ltk-info: #06b6d4;
    --ltk-radius: 12px;
    --ltk-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

.ltk-wrapper {
    font-family: var(--ltk-font);
    background: var(--ltk-bg-body);
    color: var(--ltk-text);
    padding: 30px;
    border-radius: var(--ltk-radius);
    border: 1px solid var(--ltk-border);
    max-width: 1100px;
    margin: 25px auto;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.ltk-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--ltk-border);
    padding-bottom: 20px;
    margin-bottom: 25px;
}

.ltk-brand-meta h2 {
    margin: 0 0 5px 0 !important;
    font-size: 26px;
    font-weight: 800;
    color: var(--ltk-text);
    letter-spacing: -0.025em;
}

.ltk-brand-meta p {
    margin: 0 !important;
    font-size: 14px;
    color: var(--ltk-text-muted);
}

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

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

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

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

.ltk-form-group label {
    font-weight: 600;
    margin-bottom: 10px;
    font-size: 14px;
}

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

.ltk-input-icon {
    position: absolute;
    left: 14px;
    color: var(--ltk-text-muted);
}

.ltk-wrapper input[type="text"],
.ltk-wrapper select {
    width: 100% !important;
    padding: 12px 12px 12px 40px !important;
    border: 1px solid var(--ltk-border) !important;
    background: var(--ltk-bg-card) !important;
    color: var(--ltk-text) !important;
    border-radius: 8px !important;
    outline: none !important;
    box-sizing: border-box !important;
    height: 48px !important;
    font-size: 14px !important;
    transition: border-color 0.2s;
}

.ltk-wrapper select {
    padding-left: 16px !important;
}

.ltk-wrapper input[type="text"]:focus {
    border-color: #2563eb !important;
}

.ltk-actions-row {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.ltk-btn-primary {
    background: var(--ltk-gradient-primary);
    color: #ffffff !important;
    border: none;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.2);
}

.ltk-btn-secondary, .ltk-btn-success, .ltk-btn-info {
    border: 1px solid var(--ltk-border);
    background: var(--ltk-bg-card);
    color: var(--ltk-text) !important;
    padding: 14px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.ltk-btn-sm {
    padding: 10px 16px;
    font-size: 13px;
}

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

.ltk-alert {
    padding: 18px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 12px;
}
.ltk-alert-warning { background: rgba(245, 158, 11, 0.12); color: var(--ltk-warning); border: 1px solid var(--ltk-warning); }
.ltk-alert-danger { background: rgba(239, 68, 68, 0.12); color: var(--ltk-danger); border: 1px solid var(--ltk-danger); }

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

.ltk-global-export-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--ltk-bg-card);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid var(--ltk-border);
    flex-wrap: wrap;
    gap: 20px;
}

.ltk-global-export-row h4 { margin: 0 !important; font-size: 18px; font-weight: 800; }
.ltk-export-buttons { display: flex; gap: 12px; flex-wrap: wrap; }

.ltk-tabs-wrapper {
    display: flex;
    gap: 10px;
    border-bottom: 2px solid var(--ltk-border);
    padding-bottom: 2px;
    overflow-x: auto;
}

.ltk-tab-btn {
    background: transparent;
    border: none;
    padding: 12px 20px;
    color: var(--ltk-text-muted);
    font-weight: 700;
    cursor: pointer;
    font-size: 14px;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
}

.ltk-tab-btn.ltk-active {
    color: #2563eb;
    border-bottom-color: #2563eb;
}

.ltk-table-responsive { width: 100%; overflow-x: auto; background: var(--ltk-bg-card); border-radius: 10px; border: 1px solid var(--ltk-border); }
.ltk-table { width: 100%; border-collapse: collapse; text-align: left; }
.ltk-table th, .ltk-table td { padding: 16px 20px; border-bottom: 1px solid var(--ltk-border); font-size: 14px; }
.ltk-table th { background: rgba(0,0,0,0.015); font-weight: 700; color: var(--ltk-text); }
.ltk-dark .ltk-table th { background: rgba(255,255,255,0.015); }

.ltk-intent-badge {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}
.ltk-intent-informational { background: rgba(37, 99, 235, 0.12); color: #2563eb; }
.ltk-intent-commercial { background: rgba(217, 119, 6, 0.12); color: #d97706; }
.ltk-intent-transactional { background: rgba(5, 150, 105, 0.12); color: #059669; }

.ltk-diff-badge {
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.ltk-diff-easy { color: var(--ltk-success); }
.ltk-diff-medium { color: var(--ltk-warning); }
.ltk-diff-hard { color: var(--ltk-danger); }

.ltk-opportunity-label {
    font-weight: 700;
    color: var(--ltk-info);
}

.ltk-row-copy {
    background: transparent;
    border: 1px solid var(--ltk-border);
    color: var(--ltk-text-muted);
    width: 36px;
    height: 36px;
    border-radius: 6px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}
.ltk-row-copy:hover {
    border-color: #2563eb;
    color: #2563eb;
    background: rgba(37, 99, 235, 0.05);
}

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