/* Atlus Shell — three-column layout */
* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
    height: 100dvh;
    overflow: hidden;
    font-family: var(--font-ui);
    background: var(--bg-stage);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -webkit-text-size-adjust: 100%;
}

body {
    display: flex;
    flex-direction: row;
}

/* Utility */
.hidden { display: none !important; }

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--border-component);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* System menu overlay */
.system-menu {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}

.system-menu-content {
    background: var(--bg-titlebar);
    border: 1px solid var(--border-structural);
    border-radius: var(--radius-lg);
    padding: 8px;
    min-width: 200px;
}

.system-menu-item {
    display: block;
    width: 100%;
    padding: 12px 16px;
    background: none;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: 14px;
    text-align: left;
    border-radius: var(--radius-sm);
    cursor: pointer;
    min-height: var(--tap-min);
    display: flex;
    align-items: center;
}

.system-menu-item:hover {
    background: var(--accent-hover);
}

.system-menu-danger {
    color: var(--status-red);
}

.system-menu-sep {
    height: 1px;
    background: var(--border-structural);
    margin: 4px 8px;
}

.system-menu-about {
    padding: 8px 16px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 12px;
    text-align: center;
}

/* Welcome screen */
.welcome-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 16px;
}

.welcome-logo {
    font-family: var(--font-mono);
    font-size: 72px;
    font-weight: 500;
    color: var(--text-ghost);
}

.welcome-text {
    font-size: 14px;
    color: var(--text-muted);
}

/* Responsive — portrait/narrow */
@media (max-width: 768px) {
    .dock {
        position: fixed;
        left: -var(--dock-width);
        z-index: 100;
        transition: transform var(--transition-base);
    }
    .dock.open {
        transform: translateX(var(--dock-width));
    }

    .panel {
        position: fixed;
        right: calc(-1 * var(--panel-width));
        z-index: 100;
        transition: transform var(--transition-base);
    }
    .panel.open {
        transform: translateX(calc(-1 * var(--panel-width)));
    }

    .stage {
        width: 100%;
    }
}