/* Panel Layout Components */
.left-panel {
    width: min(480px, 40vw);
    min-width: 320px;
    max-width: 480px;
    background: linear-gradient(135deg, #fafbfc 0%, #f8fafc 100%);
    border-right: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.05);
}

.right-panel {
    flex: 1;
    min-width: 0;
    background: white;
    display: flex;
    flex-direction: column;
}

.header {
    padding: 24px 24px 20px;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
    color: white;
    border-bottom: 1px solid var(--primary-700);
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    pointer-events: none;
}

.header h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: relative;
    z-index: 1;
}

.header p {
    opacity: 0.95;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.01em;
    position: relative;
    z-index: 1;
    margin-bottom: 0;
}

.input-section {
    padding: 24px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
    background: linear-gradient(180deg, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0.95) 100%);
    overflow-y: auto;
}

.footer {
    padding: 16px 24px;
    background: white;
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-info {
    font-size: 13px;
    color: var(--gray-500);
}