/**
 * SparkSheets First Launch Mode
 * 初回起動時の8カラムレイアウト
 */

.first-launch-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.first-launch-overlay.animate-in {
    opacity: 1;
}

.first-launch-overlay.fade-out {
    opacity: 0;
}

/* Hide mini-menu during first launch */
body:has(.first-launch-overlay) .mini-menu-button-container,
body:has(.first-launch-overlay) .mini-menu-container {
    display: none !important;
}

/* Header */
.fl-header {
    height: 48px;
    flex-shrink: 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Footer */
.fl-footer {
    height: 32px;
    flex-shrink: 0;
}

/* Columns Container */
.fl-columns {
    flex: 1;
    display: flex;
    min-height: 0;
}

/* Individual Column */
.fl-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* Column Header */
.fl-column-header {
    height: 36px;
    flex-shrink: 0;
}

/* Column Body */
.fl-column-body {
    flex: 1;
    min-height: 0;
}

/* Column Footer */
.fl-column-footer {
    height: 28px;
    flex-shrink: 0;
}